B01D1/00	7	Evaporating ({evaporation in general, e.g. of liquids for gas phase reactions B01B1/005} ; removal of incrustation B08B; preparation of starch C08B30/00; sugar industry C13; prevention of incrustation C23F; drying solid materials or objects by evaporating liquids therefrom F26)	B01D1/00	B01D1/00		3103
B01D1/0005	8	{Evaporating devices suitable for floating on water}	B01D1/00	B01D1/00		115
B01D1/0011	8	{Heating features}	B01D1/00	B01D1/00		572
B01D1/0017	9	{Use of electrical or wave energy (B01D1/0029 takes precedence)}	B01D1/00	B01D1/00		933
B01D1/0023	10	{Induction heating}	B01D1/00	B01D1/00		65
B01D1/0029	9	{Use of radiation}	B01D1/00	B01D1/00		108
B01D1/0035	10	{Solar energy (for treatment of water C02F1/14)}	B01D1/00	B01D1/00		666
B01D1/0041	9	{Use of fluids}	B01D1/00	B01D1/00		575
B01D1/0047	10	{in a closed circuit (B01D3/007 takes precedence)}	B01D1/00	B01D1/00		226
B01D1/0052	10	{Use of a liquid transfer medium or intermediate fluid, e.g. bain-marie}	B01D1/00	B01D1/00		150
B01D1/0058	9	{Use of waste energy from other processes or sources, e.g. combustion gas (for water treatment C02F1/16)}	B01D1/00	B01D1/00		435
B01D1/0064	8	{Feeding of liquid into an evaporator}	B01D1/00	B01D1/00		320
B01D1/007	9	{the liquid feed being split up in at least two streams before entering the evaporator}	B01D1/00	B01D1/00		75
B01D1/0076	9	{Maintaining the liquid in the evaporator at a constant level}	B01D1/00	B01D1/00		38
B01D1/0082	8	{Regulation; Control}	B01D1/00	B01D1/00		1849
B01D1/0088	8	{Cascade evaporators}	B01D1/00	B01D1/00		183
B01D1/0094	8	{with forced circulation}	B01D1/00	B01D1/00		431
B01D1/02	8	Evaporators with heating coils	B01D1/02	B01D1/02		558
B01D1/04	8	Evaporators with horizontal tubes	B01D1/04	B01D1/04		512
B01D1/06	8	Evaporators with vertical tubes	B01D1/06	B01D1/06		503
B01D1/065	9	{by film evaporating}	B01D1/06	B01D1/06		697
B01D1/08	9	with short tubes (B01D1/12{B01D1/065} take precedence)	B01D1/08	B01D1/08		115
B01D1/10	9	with long tubes, e.g. Kestner evaporators (B01D1/12{B01D1/065} take precedence)	B01D1/10	B01D1/10		293
B01D1/12	9	and forced circulation	B01D1/12	B01D1/12		549
B01D1/14	8	with heated gases or vapours {or liquids} in contact with the liquid	B01D1/14	B01D1/14		1627
B01D1/16	8	by spraying (B01D1/22 takes precedence)	B01D1/16	B01D1/16		1056
B01D1/18	9	to obtain dry solids (B01D1/24 takes precedence)	B01D1/18	B01D1/18		2517
B01D1/20	9	Sprayers (in general B05B)	B01D1/20	B01D1/20		711
B01D1/22	8	by bringing a thin layer of the liquid into contact with a heated surface {(B01D1/065 takes precedence)}	B01D1/22	B01D1/22		1621
B01D1/221	9	{Composite plate evaporators}	B01D1/22	B01D1/22		265
B01D1/222	9	{In rotating vessels; vessels with movable parts}	B01D1/22	B01D1/22		485
B01D1/223	10	{containing a rotor}	B01D1/22	B01D1/22		281
B01D1/225	11	{with blades or scrapers}	B01D1/22	B01D1/22		582
B01D1/226	12	{in the form of a screw or with helical blade members}	B01D1/22	B01D1/22		85
B01D1/227	11	{with brushes}	B01D1/22	B01D1/22		21
B01D1/228	10	{horizontally placed cylindrical container or drum (B01D1/223 takes precedence)}	B01D1/22	B01D1/22		286
B01D1/24	9	to obtain dry solids	B01D1/24	B01D1/24		229
B01D1/26	8	Multiple-effect evaporating	B01D1/26	B01D1/26		2192
B01D1/28	8	with vapour compression	B01D1/28	B01D1/28		785
B01D1/2803	9	{Special features relating to the vapour to be compressed}	B01D1/28	B01D1/28		49
B01D1/2806	10	{The vapour is divided in at least two streams and only a part of the vapour is compressed}	B01D1/28	B01D1/28		56
B01D1/2809	11	{At least two streams are compressed}	B01D1/28	B01D1/28		24
B01D1/2812	10	{The vapour is coming from different sources}	B01D1/28	B01D1/28		77
B01D1/2815	11	{At least one source is a compressor}	B01D1/28	B01D1/28		41
B01D1/2818	10	{Cleaning of the vapour before compression, e.g. demisters, washing of the vapour}	B01D1/28	B01D1/28		70
B01D1/284	9	{Special features relating to the compressed vapour}	B01D1/28	B01D1/28		72
B01D1/2843	10	{The compressed vapour is divided in at least two streams}	B01D1/28	B01D1/28		97
B01D1/2846	10	{The compressed vapour is not directed to the same apparatus from which the vapour was taken off}	B01D1/28	B01D1/28		124
B01D1/285	10	{In combination with vapour from an other source}	B01D1/28	B01D1/28		14
B01D1/2853	11	{At least one of the other sources is a compressor, ejector}	B01D1/28	B01D1/28		14
B01D1/2856	10	{The compressed vapour is used for heating a reboiler or a heat exchanger outside an evaporator}	B01D1/28	B01D1/28		203
B01D1/2881	9	{Compression specifications (e.g. pressure, temperature, processes)}	B01D1/28	B01D1/28		106
B01D1/2884	9	{Multiple effect compression (B01D1/2815 takes precedence)}	B01D1/28	B01D1/28		92
B01D1/2887	9	{The compressor is integrated in the evaporation apparatus}	B01D1/28	B01D1/28		183
B01D1/289	9	{Compressor features (e.g. constructions, details, cooling, lubrication, driving systems)}	B01D1/28	B01D1/28		238
B01D1/2893	10	{Driving systems}	B01D1/28	B01D1/28		40
B01D1/2896	9	{Control, regulation}	B01D1/28	B01D1/28		160
B01D1/30	8	Accessories for evaporators {; Constructional details thereof}	B01D1/30	B01D1/30		4609
B01D1/305	9	{Demister (vapour-liquid separation)}	B01D1/30	B01D1/30		772
B01D3/00	7	Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping ({evaporation in general, e.g. of liquids for gas phase reactions B01B1/005;} gas chromatography B01D15/08; destructive distillation C10B; preparation of alcoholic beverages by distillation C12H6/02)	B01D3/00	B01D3/00		2294
B01D3/001	8	{Processes specially adapted for distillation or rectification of fermented solutions}	B01D3/00	B01D3/00		841
B01D3/002	9	{by continuous methods}	B01D3/00	B01D3/00		271
B01D3/003	9	{Rectification of spirit}	B01D3/00	B01D3/00		419
B01D3/004	10	{by continuous methods}	B01D3/00	B01D3/00		41
B01D3/005	11	{Combined distillation and rectification}	B01D3/00	B01D3/00		94
B01D3/006	8	{by vibration}	B01D3/00	B01D3/00		77
B01D3/007	8	{Energy recuperation; Heat pumps}	B01D3/00	B01D3/00		1392
B01D3/008	8	{Liquid distribution}	B01D3/00	B01D3/00		919
B01D3/009	8	{in combination with chemical reactions}	B01D3/00	B01D3/00		2439
B01D3/02	8	in boilers or stills	B01D3/02	B01D3/02		1105
B01D3/04	8	pipe stills	B01D3/04	B01D3/04		128
B01D3/06	8	Flash distillation	B01D3/06	B01D3/06		1800
B01D3/065	9	{Multiple-effect flash distillation (more than two traps)}	B01D3/06	B01D3/06		924
B01D3/08	8	in rotating vessels; Atomisation on rotating discs ({B01D1/222} , B01D3/10 take precedence)	B01D3/08	B01D3/08		542
B01D3/085	9	{using a rotary evaporator}	B01D3/08	B01D3/08		409
B01D3/10	8	Vacuum distillation (B01D3/12 takes precedence)	B01D3/10	B01D3/10		2524
B01D3/101	9	{Recirculation of the fluid used as fluid working medium in a vacuum creating device}	B01D3/10	B01D3/10		56
B01D3/103	9	{by using a barometric column}	B01D3/10	B01D3/10		79
B01D3/105	9	{with the use of an ejector for creating the vacuum, the ejector being placed between evaporator or distillation devices}	B01D3/10	B01D3/10		62
B01D3/106	9	{with the use of a pump for creating vacuum and for removing the distillate}	B01D3/10	B01D3/10		230
B01D3/108	9	{using a vacuum lock for removing the concentrate during distillation}	B01D3/10	B01D3/10		15
B01D3/12	8	Molecular distillation	B01D3/12	B01D3/12		475
B01D3/14	8	Fractional distillation {or use of a fractionation or rectification column}	B01D3/14	B01D3/14		4363
B01D3/141	9	{where at least one distillation column contains at least one dividing wall}	B01D3/14	B01D3/14		589
B01D3/143	9	{by two or more of a fractionation, separation or rectification step}	B01D3/14	B01D3/14		2336
B01D3/145	10	{One step being separation by permeation}	B01D3/14	B01D3/14		212
B01D3/146	10	{Multiple effect distillation}	B01D3/14	B01D3/14		1199
B01D3/148	10	{in combination with at least one evaporator}	B01D3/14	B01D3/14		534
B01D3/16	9	Fractionating columns in which vapour bubbles through liquid (packing elements B01J19/30, B01J19/32)	B01D3/16	B01D3/16		468
B01D3/163	10	{Plates with valves}	B01D3/16	B01D3/16		309
B01D3/166	10	{Heating and/or cooling of plates}	B01D3/16	B01D3/16		99
B01D3/18	10	with horizontal bubble plates	B01D3/18	B01D3/18		517
B01D3/20	11	Bubble caps; Risers for vapour; Discharge pipes for liquid	B01D3/20	B01D3/20		873
B01D3/205	12	{Bubble caps}	B01D3/20	B01D3/20		316
B01D3/22	10	with horizontal sieve plates or grids; Construction of sieve plates or grids	B01D3/22	B01D3/22		896
B01D3/225	11	{Dual-flow sieve trays}	B01D3/22	B01D3/22		134
B01D3/24	10	with sloping plates or elements mounted stepwise	B01D3/24	B01D3/24		218
B01D3/26	9	Fractionating columns in which vapour and liquid flow past each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction	B01D3/26	B01D3/26		330
B01D3/28	10	Fractionating columns with surface contact and vertical guides, e.g. film action	B01D3/28	B01D3/28		234
B01D3/30	9	Fractionating columns with movable parts or in which centrifugal movement is caused	B01D3/30	B01D3/30		580
B01D3/32	9	Other features of fractionating columns {; Constructional details of fractionating columns not provided for in groups B01D3/16&#160;-&#160;B01D3/30}	B01D3/32	B01D3/32		2415
B01D3/322	10	{Reboiler specifications}	B01D3/32	B01D3/32		1276
B01D3/324	10	{Tray constructions}	B01D3/32	B01D3/32		477
B01D3/326	11	{Tray supports}	B01D3/32	B01D3/32		164
B01D3/328	11	{Sealing between the column and the trays}	B01D3/32	B01D3/32		75
B01D3/34	8	with one or more auxiliary substances	B01D3/34	B01D3/34		438
B01D3/343	9	{the substance being a gas}	B01D3/34	B01D3/34		293
B01D3/346	10	{the gas being used for removing vapours, e.g. transport gas}	B01D3/34	B01D3/34		691
B01D3/36	9	Azeotropic distillation	B01D3/36	B01D3/36		606
B01D3/38	9	Steam distillation	B01D3/38	B01D3/38		939
B01D3/40	9	Extractive distillation	B01D3/40	B01D3/40		1140
B01D3/42	8	Regulation; Control	B01D3/42	B01D3/42		2653
B01D3/4205	9	{Reflux ratio control splitter}	B01D3/42	B01D3/42		332
B01D3/4211	9	{of columns}	B01D3/42	B01D3/42		228
B01D3/4216	10	{Head stream}	B01D3/42	B01D3/42		163
B01D3/4222	10	{Head- and side stream}	B01D3/42	B01D3/42		31
B01D3/4227	10	{Head- and bottom stream}	B01D3/42	B01D3/42		113
B01D3/4233	10	{Head- and feed stream}	B01D3/42	B01D3/42		20
B01D3/4238	10	{Head-, side- and bottom stream}	B01D3/42	B01D3/42		61
B01D3/4244	10	{Head-, side- and feed stream}	B01D3/42	B01D3/42		18
B01D3/425	10	{Head-, bottom- and feed stream}	B01D3/42	B01D3/42		141
B01D3/4255	10	{Head-, side-, bottom- and feed stream}	B01D3/42	B01D3/42		58
B01D3/4261	10	{Side stream}	B01D3/42	B01D3/42		58
B01D3/4266	10	{Side- and bottom stream}	B01D3/42	B01D3/42		19
B01D3/4272	10	{Side- and feed stream}	B01D3/42	B01D3/42		3
B01D3/4277	10	{Side-, bottom- and feed stream}	B01D3/42	B01D3/42		9
B01D3/4283	10	{Bottom stream}	B01D3/42	B01D3/42		80
B01D3/4288	10	{Bottom- and feed stream}	B01D3/42	B01D3/42		14
B01D3/4294	10	{Feed stream}	B01D3/42	B01D3/42		51
B01D5/00	7	Condensation of vapours; Recovering volatile solvents by condensation (B01D8/00 takes precedence; condensers F28B)	B01D5/00	B01D5/00		1325
B01D5/0003	8	{by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium}	B01D5/00	B01D5/00		1160
B01D5/0006	9	{Coils or serpentines}	B01D5/00	B01D5/00		827
B01D5/0009	9	{Horizontal tubes}	B01D5/00	B01D5/00		321
B01D5/0012	9	{Vertical tubes}	B01D5/00	B01D5/00		550
B01D5/0015	9	{Plates}	B01D5/00	B01D5/00		416
B01D5/0018	9	{Dome shaped (B01D5/0066 takes precedence)}	B01D5/00	B01D5/00		44
B01D5/0021	9	{Vortex}	B01D5/00	B01D5/00		61
B01D5/0024	9	{Rotating vessels or vessels containing movable parts}	B01D5/00	B01D5/00		134
B01D5/0027	8	{by direct contact between vapours or gases and the cooling medium}	B01D5/00	B01D5/00		640
B01D5/003	9	{within column(s)}	B01D5/00	B01D5/00		244
B01D5/0033	8	{Other features}	B01D5/00	B01D5/00		144
B01D5/0036	9	{Multiple-effect condensation; Fractional condensation}	B01D5/00	B01D5/00		1204
B01D5/0039	9	{Recuperation of heat, e.g. use of heat pump(s), compression}	B01D5/00	B01D5/00		691
B01D5/0042	9	{Thermo-electric condensing; using Peltier-effect}	B01D5/00	B01D5/00		172
B01D5/0045	9	{Vacuum condensation}	B01D5/00	B01D5/00		282
B01D5/0048	9	{Barometric condensation}	B01D5/00	B01D5/00		98
B01D5/0051	9	{Regulation processes; Control systems, e.g. valves}	B01D5/00	B01D5/00		588
B01D5/0054	9	{General arrangements, e.g. flow sheets}	B01D5/00	B01D5/00		477
B01D5/0057	8	{in combination with other processes}	B01D5/00	B01D5/00		642
B01D5/006	9	{with evaporation or distillation}	B01D5/00	B01D5/00		2852
B01D5/0063	10	{Reflux condensation}	B01D5/00	B01D5/00		431
B01D5/0066	10	{Dome shaped condensation}	B01D5/00	B01D5/00		352
B01D5/0069	9	{with degasification or deaeration}	B01D5/00	B01D5/00		135
B01D5/0072	9	{with filtration}	B01D5/00	B01D5/00		532
B01D5/0075	9	{with heat exchanging (B01D5/0039 takes precedence)}	B01D5/00	B01D5/00		374
B01D5/0078	8	{characterised by auxiliary systems or arrangements}	B01D5/00	B01D5/00		149
B01D5/0081	9	{Feeding the steam or the vapours}	B01D5/00	B01D5/00		323
B01D5/0084	9	{Feeding or collecting the cooling medium (B01D5/0087 takes precedence)}	B01D5/00	B01D5/00		277
B01D5/0087	9	{Recirculating of the cooling medium}	B01D5/00	B01D5/00		289
B01D5/009	9	{Collecting, removing and/or treatment of the condensate}	B01D5/00	B01D5/00		1719
B01D5/0093	9	{Removing and treatment of non condensable gases}	B01D5/00	B01D5/00		288
B01D5/0096	9	{Cleaning (cleaning in general B08B)}	B01D5/00	B01D5/00		216
B01D7/00	7	Sublimation (B01D8/00 takes precedence; freeze-drying F26)	B01D7/00	B01D7/00		560
B01D7/02	8	Crystallisation directly from the vapour phase (into single crystals C30B23/00)	B01D7/02	B01D7/02		484
B01D8/00	7	Cold traps; Cold baffles (pumps for evacuating by condensing or freezing F04B37/08)	B01D8/00	B01D8/00		648
B01D9/00	7	Crystallisation (crystallisation directly from the vapour phase B01D7/02; making single crystals C30B{; crystallisation as part of the Bayer process also classified in C01F7/14})	B01D9/00	B01D9/00		875
B01D9/0004	8	{cooling by heat exchange (by evaporation of components of the mixture to be separated B01D9/0013; refrigeration machines F25B)}	B01D9/00	B01D9/00		722
B01D9/0009	9	{by direct heat exchange with added cooling fluid}	B01D9/00	B01D9/00		454
B01D9/0013	9	{by indirect heat exchange}	B01D9/00	B01D9/00		1831
B01D9/0018	8	{Evaporation of components of the mixture to be separated}	B01D9/00	B01D9/00		552
B01D9/0022	9	{by reducing pressure}	B01D9/00	B01D9/00		484
B01D9/0027	9	{by means of conveying fluid, e.g. spray-crystallisation (spray-drying F26B)}	B01D9/00	B01D9/00		147
B01D9/0031	9	{by heating (B01D9/0022, B01D9/0027 take precedence)}	B01D9/00	B01D9/00		1132
B01D9/0036	8	{Crystallisation on to a bed of product crystals; Seeding}	B01D9/00	B01D9/00		962
B01D9/004	8	{Fractional crystallisation; Fractionating or rectifying columns}	B01D9/00	B01D9/00		618
B01D9/0045	9	{Washing of crystals, e.g. in wash columns}	B01D9/00	B01D9/00		204
B01D9/005	8	{Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof}	B01D9/00	B01D9/00		997
B01D9/0054	9	{Use of anti-solvent}	B01D9/00	B01D9/00		403
B01D9/0059	8	{General arrangements of crystallisation plant, e.g. flow sheets}	B01D9/00	B01D9/00		1598
B01D9/0063	8	{Control or regulation (control per seG05)}	B01D9/00	B01D9/00		1052
B01D9/0068	8	{Prevention of crystallisation}	B01D9/00	B01D9/00		45
B01D9/0072	8	{Crystallisation in microfluidic devices}	B01D9/00	B01D9/00		54
B01D9/0077	8	{Screening for crystallisation conditions or for crystal forms}	B01D9/00	B01D9/00		133
B01D9/0081	8	{Use of vibrations, e.g. ultrasound}	B01D9/00	B01D9/00		157
B01D2009/0086	8	{Processes or apparatus therefor}	B01D9/00	B01D9/00		1218
B01D2009/009	9	{Separation of organic compounds by selective or extractive crystallisation with the aid of auxiliary substances forming complex or molecular compounds, e.g. with ureum, thioureum or metal salts}	B01D9/00	B01D9/00		33
B01D2009/0095	10	{with the aid of other complex forming substances than ureum, thioureum or metal salts}	B01D9/00	B01D9/00		13
B01D9/02	8	from solutions	B01D9/02	B01D9/02		1267
B01D9/04	9	concentrating solutions by removing frozen solvent therefrom	B01D9/04	B01D9/04		326
B01D11/00	7	Solvent extraction	B01D11/00	B01D11/00		514
B01D2011/002	8	{Counter-current extraction}	B01D11/00	B01D11/00		522
B01D2011/005	8	{Co-current extraction}	B01D11/00	B01D11/00		87
B01D2011/007	8	{Extraction using a solvent in the gas phase}	B01D11/00	B01D11/00		275
B01D11/02	8	of solids<br><br><u>NOTE</u><br><br> Combinations of characteristics of individual groups, e.g. B01D11/0226 and B01D11/028 are expressed as B01D11/0226 + B01D11/028	B01D11/02	B01D11/02		3444
B01D11/0203	9	{with a supercritical fluid}	B01D11/02	B01D11/02		1681
B01D11/0207	9	{Control systems}	B01D11/02	B01D11/02		870
B01D11/0211	9	{in combination with an electric or magnetic field}	B01D11/02	B01D11/02		266
B01D11/0215	9	{Solid material in other stationary receptacles}	B01D11/02	B01D11/02		285
B01D11/0219	10	{Fixed bed of solid material}	B01D11/02	B01D11/02		701
B01D11/0223	10	{Moving bed of solid material (see also B01D11/0261)}	B01D11/02	B01D11/02		428
B01D11/0226	11	{with the general transport direction of the solids parallel to the rotation axis of the conveyor, e.g. worm}	B01D11/02	B01D11/02		342
B01D11/023	11	{using moving bands, trays fixed on moving transport chains}	B01D11/02	B01D11/02		187
B01D11/0234	11	{using other slow rotating arms or elements, whereby the general transport direction of the solids is not parallel to the rotation axis, e.g. perpendicular (B01D11/0238 takes precedence)}	B01D11/02	B01D11/02		192
B01D11/0238	11	{on fixed or rotating flat surfaces, e.g. tables combined with rotating elements or on rotating flat surfaces}	B01D11/02	B01D11/02		107
B01D11/0242	11	{in towers, e.g. comprising contacting elements}	B01D11/02	B01D11/02		145
B01D11/0246	12	{comprising rotating means}	B01D11/02	B01D11/02		87
B01D11/0249	12	{comprising jet means}	B01D11/02	B01D11/02		14
B01D11/0253	10	{Fluidised bed of solid materials}	B01D11/02	B01D11/02		65
B01D11/0257	11	{using mixing mechanisms, e.g. stirrers, jets (B01D11/0242 takes precedence)}	B01D11/02	B01D11/02		1095
B01D11/0261	9	{comprising vibrating mechanisms, e.g. mechanical, acoustical}	B01D11/02	B01D11/02		302
B01D11/0265	10	{Applying ultrasound}	B01D11/02	B01D11/02		1194
B01D11/0269	9	{Solid material in other moving receptacles (B01D11/0238 takes precedence)}	B01D11/02	B01D11/02		191
B01D11/0273	10	{in rotating drums}	B01D11/02	B01D11/02		244
B01D11/0276	11	{with the general transport direction of the solids parallel to the rotation axis of the conveyor, e.g. spirals}	B01D11/02	B01D11/02		181
B01D11/028	9	{Flow sheets}	B01D11/02	B01D11/02		1367
B01D11/0284	10	{Multistage extraction}	B01D11/02	B01D11/02		927
B01D11/0288	9	{Applications, solvents}	B01D11/02	B01D11/02		3375
B01D11/0292	9	{Treatment of the solvent}	B01D11/02	B01D11/02		828
B01D11/0296	10	{Condensation of solvent vapours (condensation in general B01D5/00)}	B01D11/02	B01D11/02		531
B01D11/04	8	of solutions which are liquid	B01D11/04	B01D11/04		1598
B01D11/0403	9	{with a supercritical fluid}	B01D11/04	B01D11/04		283
B01D11/0407	10	{the supercritical fluid acting as solvent for the solute}	B01D11/04	B01D11/04		318
B01D11/0411	10	{the supercritical fluid acting as solvent for the solvent and as anti-solvent for the solute, e.g. formation of particles from solutions}	B01D11/04	B01D11/04		57
B01D11/0415	9	{in combination with membranes}	B01D11/04	B01D11/04		257
B01D11/0419	9	{in combination with an electric or magnetic field or with vibrations}	B01D11/04	B01D11/04		150
B01D11/0423	10	{Applying ultrasound}	B01D11/04	B01D11/04		128
B01D11/0426	9	{Counter-current multistage extraction towers in a vertical or sloping position}	B01D11/04	B01D11/04		213
B01D11/043	10	{with stationary contacting elements, sieve plates or loose contacting elements}	B01D11/04	B01D11/04		606
B01D11/0434	10	{comprising rotating mechanisms, e.g. mixers, rotational oscillating motion, mixing pumps}	B01D11/04	B01D11/04		286
B01D11/0438	10	{comprising vibrating mechanisms, electromagnetic radiations}	B01D11/04	B01D11/04		177
B01D11/0442	10	{Mixers with gas-agitation}	B01D11/04	B01D11/04		23
B01D11/0446	9	{Juxtaposition of mixers-settlers}	B01D11/04	B01D11/04		224
B01D11/0449	10	{with stationary contacting elements}	B01D11/04	B01D11/04		117
B01D11/0453	10	{with narrow passages limited by plates, walls, e.g. helically coiled tubes (B01D11/0461 takes precedence)}	B01D11/04	B01D11/04		94
B01D11/0457	10	{comprising rotating mechanisms, e.g. mixers, mixing pumps}	B01D11/04	B01D11/04		446
B01D11/0461	10	{mixing by counter-current streams provoked by centrifugal force}	B01D11/04	B01D11/04		48
B01D11/0465	10	{comprising vibrating mechanisms, radiations}	B01D11/04	B01D11/04		45
B01D11/0469	10	{with gas agitation}	B01D11/04	B01D11/04		38
B01D11/0473	10	{Jet mixers, venturi mixers}	B01D11/04	B01D11/04		79
B01D11/0476	9	{Moving receptacles, e.g. rotating receptacles}	B01D11/04	B01D11/04		165
B01D11/048	10	{Mixing by counter-current streams provoked by centrifugal force, in rotating coils or in other rotating spaces}	B01D11/04	B01D11/04		231
B01D11/0484	9	{Controlling means}	B01D11/04	B01D11/04		428
B01D11/0488	9	{Flow sheets}	B01D11/04	B01D11/04		1065
B01D11/0492	9	{Applications, solvents used}	B01D11/04	B01D11/04		1727
B01D11/0496	9	{by extraction in microfluidic devices}	B01D11/04	B01D11/04		120
B01D12/00	7	Displacing liquid, e.g. from wet solids or from dispersions of liquids or from solids in liquids, by means of another liquid	B01D12/00	B01D12/00		365
B01D15/00	7	Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor<br><br><u>WARNING</u><br>Group B01D15/00 is impacted by reclassification into groups B01D15/122 and B01D15/267.<br>Groups B01D15/00, B01D15/122 and B01D15/267 should be considered in order to perform a complete search.	B01D15/00	B01D15/00		2656
B01D15/02	8	with moving adsorbents	B01D15/02	B01D15/02		667
B01D15/08	8	Selective adsorption, e.g. chromatography<br><br><u>NOTE</u><br><br><br> In order that group B01D15/08 may provide a basis for a complete search with respect to chromatography in general, all subject matter of general interest is classified in this group even if it is classified primarily in the application-oriented groups, for example dairy products A23C9/148, treatment of blood, e.g. A61M1/36, optically active organic compounds C07B57/00 or peptides C07K1/16<br><br><u>WARNING</u><br>Group B01D15/08 is impacted by reclassification into groups B01D15/102, B01D15/122, B01D15/222 and B01D15/267. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/08	B01D15/08		3866
B01D15/10	9	characterised by constructional or operational features<br><br><u>WARNING</u><br>Group B01D15/10 is impacted by reclassification into group B01D15/102. <br>Groups B01D15/10 and B01D15/102 should be considered in order to perform a complete search.	B01D15/10	B01D15/10		1380
B01D15/102	10	{Process control, e.g. determination or optimization of process parameters; Programmable logic control [PLC]}<br><br><u>WARNING</u><br>Group B01D15/102 is incomplete pending reclassification of documents from groups B01D15/08, B01D15/10, B01D15/18, B01D15/1807, B01D15/1814, B01D15/1821, B01D15/1828, B01D15/1835, B01D15/1842, B01D15/185, B01D15/1857, B01D15/1864, B01D15/1871, B01D15/1878, B01D15/1885 and B01D15/1892. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/10	B01D15/10		57
B01D15/12	10	relating to the preparation of the feed<br><br><u>WARNING</u><br>Group B01D15/12 is impacted by reclassification into group B01D15/122. <br>Groups B01D15/12 and B01D15/122 should be considered in order to perform a complete search.	B01D15/12	B01D15/12		252
B01D15/122	11	{Solid phase extraction}<br><br><u>WARNING</u><br>Group B01D15/122 is incomplete pending reclassification of documents from groups B01D15/00, B01D15/08, B01D15/12, B01D15/125 and B01D15/22. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/12	B01D15/12		30
B01D15/125	11	{Pre-filtration}<br><br><u>WARNING</u><br>Group B01D15/125 is impacted by reclassification into group B01D15/122. <br>Groups B01D15/125 and B01D15/122 should be considered in order to perform a complete search.	B01D15/12	B01D15/12		151
B01D15/14	10	relating to the introduction of the feed to the apparatus	B01D15/14	B01D15/14		536
B01D15/16	10	relating to the conditioning of the fluid carrier	B01D15/16	B01D15/16		111
B01D15/161	11	{Temperature conditioning}	B01D15/16	B01D15/16		155
B01D15/163	11	{Pressure or speed conditioning}	B01D15/16	B01D15/16		227
B01D15/165	12	{Flash chromatography}	B01D15/16	B01D15/16		40
B01D15/166	11	{Fluid composition conditioning, e.g. gradient}	B01D15/16	B01D15/16		362
B01D15/168	12	{pH gradient or chromatofocusing, i.e. separation according to the isoelectric point pI}	B01D15/16	B01D15/16		50
B01D15/18	10	relating to flow patterns<br><br><u>WARNING</u><br>Group B01D15/18 is impacted by reclassification into groups B01D15/102, B01D15/1801, B01D15/1894 and B01D15/1896. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/18	B01D15/18		196
B01D15/1801	11	{Radial flow}<br><br><u>WARNING</u><br>Group B01D15/1801 is incomplete pending reclassification of documents from groups B01D15/18, B01D15/1807, B01D15/1814, B01D15/1821, B01D15/1828, B01D15/1835, B01D15/1842, B01D15/185, B01D15/1857, B01D15/1864, B01D15/1871, B01D15/1878, B01D15/1885, B01D15/1892 and B01D15/22. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/18	B01D15/18		10
B01D15/1807	11	{using counter-currents, e.g. fluidised beds}<br><br><u>WARNING</u><br>Group B01D15/1807 is impacted by reclassification into groups B01D15/102, B01D15/1801, B01D15/1894 and B01D15/1896. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/18	B01D15/18		279
B01D15/1814	11	{Recycling of the fraction to be distributed}<br><br><u>WARNING</u><br>Group B01D15/1814 is impacted by reclassification into groups B01D15/102, B01D15/1801, B01D15/1894 and B01D15/1896. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/18	B01D15/18		70
B01D15/1821	12	{Simulated moving beds}<br><br><u>WARNING</u><br>Group B01D15/1821 is impacted by reclassification into groups B01D15/102, B01D15/1801, B01D15/1894 and B01D15/1896. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/18	B01D15/18		402
B01D15/1828	13	{characterised by process features}<br><br><u>WARNING</u><br>Group B01D15/1828 is impacted by reclassification into groups B01D15/102, B01D15/1801, B01D15/1894 and B01D15/1896. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/18	B01D15/18		233
B01D15/1835	14	{Flushing}<br><br><u>WARNING</u><br>Group B01D15/1835 is impacted by reclassification into groups B01D15/102, B01D15/1801, B01D15/1894 and B01D15/1896. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/18	B01D15/18		57
B01D15/1842	13	{characterised by apparatus features}<br><br><u>WARNING</u><br>Group B01D15/1842 is impacted by reclassification into groups B01D15/102, B01D15/1801, B01D15/1894 and B01D15/1896. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/18	B01D15/18		193
B01D15/185	13	{characterised by the components to be separated}<br><br><u>WARNING</u><br>Group B01D15/185 is impacted by reclassification into groups B01D15/102, B01D15/1801, B01D15/1894 and B01D15/1896. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/18	B01D15/18		192
B01D15/1857	12	{Reactive simulated moving beds}<br><br><u>WARNING</u><br>Group B01D15/1857 is impacted by reclassification into groups B01D15/102, B01D15/1801, B01D15/1894 and B01D15/1896. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/18	B01D15/18		32
B01D15/1864	11	{using two or more columns}<br><br><u>WARNING</u><br>Group B01D15/1864 is impacted by reclassification into groups B01D15/102, B01D15/1801, B01D15/1867, B01D15/1894 and B01D15/1896. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/18	B01D15/18		247
B01D15/1867	12	{with intermediate treatments or steps performed between columns}<br><br><u>WARNING</u><br>Group B01D15/1867 is incomplete pending reclassification of documents from groups B01D15/1864, B01D15/36, B01D15/361, B01D15/362, B01D15/363, B01D15/364, B01D15/365, B01D15/366, B01D15/367, B01D15/368, B01D15/38, B01D15/3804, B01D15/3809, B01D15/3814, B01D15/3819, B01D15/3823, B01D15/3828, B01D15/3833, B01D15/3842, B01D15/3847, B01D15/3852, B01D15/3857, B01D15/3861, B01D15/3866, B01D15/3871, B01D15/3876, B01D15/388 and B01D15/3885. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/18	B01D15/18		20
B01D15/1871	12	{placed in series}<br><br><u>WARNING</u><br>Group B01D15/1871 is impacted by reclassification into groups B01D15/102, B01D15/1801, B01D15/1894 and B01D15/1896. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/18	B01D15/18		500
B01D15/1878	13	{for multi-dimensional chromatography}<br><br><u>WARNING</u><br>Group B01D15/1878 is impacted by reclassification into groups B01D15/102, B01D15/1801, B01D15/1894 and B01D15/1896. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/18	B01D15/18		75
B01D15/1885	12	{placed in parallel}<br><br><u>WARNING</u><br>Group B01D15/1885 is impacted by reclassification into groups B01D15/102, B01D15/1801, B01D15/1894 and B01D15/1896. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/18	B01D15/18		165
B01D15/1892	11	{the sorbent material moving as a whole, e.g. continuous annular chromatography, true moving beds or centrifugal chromatography}<br><br><u>WARNING</u><br>Group B01D15/1892 is impacted by reclassification into groups B01D15/102, B01D15/1801, B01D15/1894 and B01D15/1896. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/18	B01D15/18		442
B01D15/1894	11	{Liquid-liquid chromatography, e.g. centrifugal partition chromatography or extraction chromatography}<br><br><u>WARNING</u><br>Group B01D15/1894 is incomplete pending reclassification of documents from groups B01D15/18, B01D15/1807, B01D15/1814, B01D15/1821, B01D15/1828, B01D15/1835, B01D15/1842, B01D15/185, B01D15/1857, B01D15/1864, B01D15/1871, B01D15/1878, B01D15/1885, B01D15/1892, B01D15/22 and B01D15/30. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/18	B01D15/18		46
B01D15/1896	11	{Membrane chromatography or membrane adsorbers}<br><br><u>WARNING</u><br>Group B01D15/1896 is incomplete pending reclassification of documents from groups B01D15/18, B01D15/1807, B01D15/1814, B01D15/1821, B01D15/1828, B01D15/1835, B01D15/1842, B01D15/185, B01D15/1857, B01D15/1864, B01D15/1871, B01D15/1878, B01D15/1885, B01D15/1892, B01D15/22, B01D15/36, B01D15/361, B01D15/362, B01D15/363, B01D15/364, B01D15/365, B01D15/366, B01D15/367, B01D15/368, B01D15/38, B01D15/3804, B01D15/3809, B01D15/3814, B01D15/3819, B01D15/3823, B01D15/3828, B01D15/3833, B01D15/3842, B01D15/3847, B01D15/3852, B01D15/3857, B01D15/3861, B01D15/3866, B01D15/3871, B01D15/3876, B01D15/388 and B01D15/3885. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/18	B01D15/18		51
B01D15/20	10	relating to the conditioning of the sorbent material	B01D15/20	B01D15/20		719
B01D15/203	11	{Equilibration or regeneration}	B01D15/20	B01D15/20		518
B01D15/206	11	{Packing or coating}	B01D15/20	B01D15/20		592
B01D15/22	10	relating to the construction of the column<br><br><u>WARNING</u><br>Group B01D15/22 is impacted by reclassification into groups B01D15/122, B01D15/1801, B01D15/1894, B01D15/1896 and B01D15/222. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/22	B01D15/22		1436
B01D15/222	11	{Arrangements of modules or cassettes}<br><br><u>WARNING</u><br>Group B01D15/222 is incomplete pending reclassification of documents from groups B01D15/08 and B01D15/22. <br>Groups B01D15/08, B01D15/22 and B01D15/222 should be considered in order to perform a complete search.	B01D15/22	B01D15/22		21
B01D15/24	10	relating to the treatment of the fractions to be distributed	B01D15/24	B01D15/24		148
B01D15/242	11	{Intermediate storage of effluents}	B01D15/24	B01D15/24		14
B01D15/245	11	{Adding materials to the effluents}	B01D15/24	B01D15/24		29
B01D15/247	11	{Fraction collectors}	B01D15/24	B01D15/24		128
B01D15/26	9	characterised by the separation mechanism<br><br><u>WARNING</u><br>Group B01D15/26 is impacted by reclassification into group B01D15/267. <br>Groups B01D15/26 and B01D15/267 should be considered in order to perform a complete search.	B01D15/26	B01D15/26		195
B01D15/265	10	{Adsorption chromatography}<br><br><u>WARNING</u><br>Group B01D15/265 is impacted by reclassification into group B01D15/267. <br>Groups B01D15/265 and B01D15/267 should be considered in order to perform a complete search.	B01D15/26	B01D15/26		379
B01D15/267	11	{using neutral sorbents, e.g. activated carbon or diatomaceous earth}<br><br><u>WARNING</u><br>Group B01D15/267 is incomplete pending reclassification of documents from groups B01D15/00, B01D15/08, B01D15/26 and B01D15/265. <br>All groups listed in this Warning should be considered in order to perform a complete search.	B01D15/26	B01D15/26		28
B01D15/30	10	Partition chromatography<br><br><u>WARNING</u><br>Group B01D15/30 is impacted by reclassification into group B01D15/1894. <br>Groups B01D15/30 and B01D15/1894 should be considered in order to perform a complete search.	B01D15/30	B01D15/30		56
B01D15/305	11	{Hydrophilic interaction chromatography [HILIC]}	B01D15/30	B01D15/30		178
B01D15/32	10	Bonded phase chromatography	B01D15/32	B01D15/32		77
B01D15/322	11	{Normal bonded phase}	B01D15/32	B01D15/32		86
B01D15/325	11	{Reversed phase}	B01D15/32	B01D15/32		502
B01D15/327	12	{with hydrophobic interaction}	B01D15/32	B01D15/32		433
B01D15/34	10	Size-selective separation, e.g. size-exclusion chromatography; Gel filtration; Permeation	B01D15/34	B01D15/34		784
B01D15/36	10	involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion<br><br><u>WARNING</u><br>Group B01D15/36 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/36, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/36	B01D15/36		328
B01D15/361	11	{Ion-exchange}<br><br><u>WARNING</u><br>Group B01D15/361 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/361, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/36	B01D15/36		936
B01D15/362	12	{Cation-exchange}<br><br><u>WARNING</u><br>Group B01D15/362 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/362, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/36	B01D15/36		881
B01D15/363	12	{Anion-exchange}<br><br><u>WARNING</u><br>Group B01D15/363 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/363, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/36	B01D15/36		934
B01D15/364	12	{Amphoteric or zwitterionic ion-exchanger}<br><br><u>WARNING</u><br>Group B01D15/364 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/364, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/36	B01D15/36		46
B01D15/365	11	{Ion-exclusion}<br><br><u>WARNING</u><br>Group B01D15/365 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/365, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/36	B01D15/36		23
B01D15/366	11	{Ion-pair, e.g. ion-pair reversed phase}<br><br><u>WARNING</u><br>Group B01D15/366 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/366, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/36	B01D15/36		82
B01D15/367	11	{Ion-suppression}<br><br><u>WARNING</u><br>Group B01D15/367 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/367, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/36	B01D15/36		23
B01D15/368	11	{Cation-pi interaction}<br><br><u>WARNING</u><br>Group B01D15/368 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/368, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/36	B01D15/36		4
B01D15/38	10	involving specific interaction not covered by one or more of groups {B01D15/265 and}B01D15/30 - B01D15/36, e.g. affinity, ligand exchange or chiral chromatography<br><br><u>WARNING</u><br>Group B01D15/38 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/38, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/38	B01D15/38		176
B01D15/3804	11	{Affinity chromatography}<br><br><u>WARNING</u><br>Group B01D15/3804 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/3804, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/38	B01D15/38		1001
B01D15/3809	12	{of the antigen-antibody type, e.g. protein A, G or L chromatography}<br><br><u>WARNING</u><br>Group B01D15/3809 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/3809, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/38	B01D15/38		647
B01D15/3814	12	{of the substrate or cofactor-enzyme type}<br><br><u>WARNING</u><br>Group B01D15/3814 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/3814, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/38	B01D15/38		25
B01D15/3819	12	{of the nucleic acid-nucleic acid binding protein type}<br><br><u>WARNING</u><br>Group B01D15/3819 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/3819, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/38	B01D15/38		51
B01D15/3823	12	{of other types, e.g. avidin, streptavidin or biotin}<br><br><u>WARNING</u><br>Group B01D15/3823 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/3823, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/38	B01D15/38		103
B01D15/3828	12	{Ligand exchange chromatography, e.g. complexation, chelation or metal interaction chromatography}<br><br><u>WARNING</u><br>Group B01D15/3828 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/3828, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/38	B01D15/38		274
B01D15/3833	11	{Chiral chromatography}<br><br><u>WARNING</u><br>Group B01D15/3833 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/3833, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/38	B01D15/38		357
B01D15/3842	11	{Micellar chromatography}<br><br><u>WARNING</u><br>Group B01D15/3842 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/3842, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/38	B01D15/38		33
B01D15/3847	11	{Multimodal interactions}<br><br><u>WARNING</u><br>Group B01D15/3847 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/3847, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/38	B01D15/38		247
B01D15/3852	11	{using imprinted phases or molecular recognition}<br><br><u>WARNING</u><br>Group B01D15/3852 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/3852, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/38	B01D15/38		122
B01D15/3857	11	{Reaction chromatography}<br><br><u>WARNING</u><br>Group B01D15/3857 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/3857, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/38	B01D15/38		32
B01D15/3861	11	{using an external stimulus}<br><br><u>WARNING</u><br>Group B01D15/3861 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/3861, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/38	B01D15/38		17
B01D15/3866	12	{using ultrasound}<br><br><u>WARNING</u><br>Group B01D15/3866 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/3866, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/38	B01D15/38		50
B01D15/3871	12	{using light}<br><br><u>WARNING</u><br>Group B01D15/3871 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/3871, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/38	B01D15/38		51
B01D15/3876	12	{modifying the temperature}<br><br><u>WARNING</u><br>Group B01D15/3876 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/3876, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/38	B01D15/38		43
B01D15/388	12	{modifying the pH}<br><br><u>WARNING</u><br>Group B01D15/388 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/388, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/38	B01D15/38		17
B01D15/3885	12	{using electrical or magnetic means}<br><br><u>WARNING</u><br>Group B01D15/3885 is impacted by reclassification into groups B01D15/1867 and B01D15/1896. <br>Groups B01D15/3885, B01D15/1867 and B01D15/1896 should be considered in order to perform a complete search.	B01D15/38	B01D15/38		167
B01D15/40	10	using supercritical fluid as mobile phase or eluent	B01D15/40	B01D15/40		448
B01D15/42	9	characterised by the development mode, e.g. by displacement or by elution	B01D15/42	B01D15/42		109
B01D15/422	10	{Displacement mode}	B01D15/42	B01D15/42		149
B01D15/424	10	{Elution mode}	B01D15/42	B01D15/42		489
B01D15/426	11	{Specific type of solvent}	B01D15/42	B01D15/42		617
B01D15/428	10	{Frontal mode}	B01D15/42	B01D15/42		15
B01D17/00	7	Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion (devices for separating or removing fatty or oily substances or similar floating material from water, waste water, or sewage C02F1/40; cleaning or keeping clear the surface of open water from oil or like materials E02B15/04; arrangements for separating lubricants from refrigerants F25B43/02)<br><br><u>NOTE</u><br><br> in this group, documents are classified and arranged according to a combination system limited to the symbols of the group and subgroups of B01D17/00. In this system each combination is indicated, also of subgroups depending from the same group, e.g. B01D17/041 + B01D17/042	B01D17/00	B01D17/00		1569
B01D17/005	8	{by thermal diffusion}	B01D17/00	B01D17/00		358
B01D17/02	8	Separation of non-miscible liquids	B01D17/02	B01D17/02		2606
B01D17/0202	9	{by ab- or adsorption}	B01D17/02	B01D17/02		2667
B01D17/0205	9	{by gas bubbles or moving solids}	B01D17/02	B01D17/02		860
B01D17/0208	9	{by sedimentation}	B01D17/02	B01D17/02		3027
B01D17/0211	10	{with baffles}	B01D17/02	B01D17/02		1878
B01D17/0214	10	{with removal of one of the phases}	B01D17/02	B01D17/02		4068
B01D17/0217	9	{by centrifugal force}	B01D17/02	B01D17/02		2091
B01D17/04	9	Breaking emulsions	B01D17/04	B01D17/04		795
B01D17/041	10	{with moving devices}	B01D17/04	B01D17/04		249
B01D17/042	10	{by changing the temperature}	B01D17/04	B01D17/04		569
B01D17/044	10	{by changing the pressure}	B01D17/04	B01D17/04		195
B01D17/045	10	{with coalescers}	B01D17/04	B01D17/04		1985
B01D17/047	10	{with separation aids}	B01D17/04	B01D17/04		1922
B01D17/048	10	{by changing the state of aggregation}	B01D17/04	B01D17/04		256
B01D17/06	8	Separation of liquids from each other by electricity	B01D17/06	B01D17/06		885
B01D17/08	8	{Thickening liquid suspensions by filtration}	B01D17/00	B01D17/08		427
B01D17/085	9	{with membranes}	B01D17/00	B01D17/08		884
B01D17/10	9	{with stationary filtering elements}	B01D17/00	B01D17/10		1059
B01D17/12	8	Auxiliary equipment particularly adapted for use with liquid-separating apparatus, e.g. control circuits	B01D17/12	B01D17/12		1349
B01D19/00	7	Degasification of liquids	B01D19/00	B01D19/00		1646
B01D19/0005	8	{with one or more auxiliary substances}	B01D19/00	B01D19/00		987
B01D19/001	9	{by bubbling steam through the liquid (B01D19/0042, B01D19/0047 and B01D19/0052 take precedence)}	B01D19/00	B01D19/00		188
B01D19/0015	10	{in contact columns containing plates, grids or other filling elements}	B01D19/00	B01D19/00		241
B01D19/0021	8	{by bringing the liquid in a thin layer}	B01D19/00	B01D19/00		217
B01D19/0026	9	{in rotating vessels or in vessels containing movable parts}	B01D19/00	B01D19/00		177
B01D19/0031	8	{by filtration}	B01D19/00	B01D19/00		1632
B01D19/0036	8	{Flash degasification (the other groups take precedence)}	B01D19/00	B01D19/00		1011
B01D19/0042	8	{modifying the liquid flow (B01D19/0021 takes precedence)}	B01D19/00	B01D19/00		1507
B01D19/0047	9	{Atomizing, spraying, trickling}	B01D19/00	B01D19/00		693
B01D19/0052	9	{in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused (B01D19/0026 takes precedence)}	B01D19/00	B01D19/00		1309
B01D19/0057	10	{the centrifugal movement being caused by a vortex, e.g. using a cyclone, or by a tangential inlet}	B01D19/00	B01D19/00		1056
B01D19/0063	8	{Regulation, control including valves and floats (for construction and details of valves F16K)}	B01D19/00	B01D19/00		1229
B01D19/0068	8	{General arrangements, e.g. flowsheets (B01D19/0063 takes precedence)}	B01D19/00	B01D19/00		689
B01D19/0073	8	{by a method not covered by groups B01D19/0005&#160;-&#160;B01D19/0042}	B01D19/00	B01D19/00		700
B01D19/0078	9	{by vibration}	B01D19/00	B01D19/00		613
B01D19/0084	9	{using an electric current}	B01D19/00	B01D19/00		76
B01D19/0089	9	{using a magnetic field (magnetic separation in general B03C1/00)}	B01D19/00	B01D19/00		25
B01D19/0094	9	{by using a vortex, cavitation}	B01D19/00	B01D19/00		132
B01D19/02	8	Foam dispersion or prevention (during boiling B01B1/02; during fermentation C12)	B01D19/02	B01D19/02		2204
B01D19/04	9	by addition of chemical substances<br><br><u>NOTE</u><br><br> Antifoam compositions containing a specific compound as the main substance are only classified in the, for this specific compound, corresponding B01D19/0404 subgroup (e.g. polysiloxanes receive the classification B01D19/0409 ); when the specific compound(s) is (are) not the main substance, then the attributed classification for this compound(s) is a combination of B01D19/0404 + the corresponding B01D19/0404 subgroup(s), (e.g. hydrocarbons containing silica are classified in B01D19/0404 + B01D19/0409 ). <br> If the main substance is a mixture containing more than one specific compound, then the attributed classification is a combination of the corresponding B01D19/0404 subgroup of the specific compounds, (e.g. benzene sulfonate and an amide are classified in B01D19/0413 + B01D9/02 ). <br> In groups B01D19/0404&#160;-&#160;B01D19/0495, in the absence of an indication to the contrary, an invention is classified in the last appropriate place]. 	B01D19/04	B01D19/04		575
B01D19/0404	10	{characterised by the nature of the chemical substance}	B01D19/04	B01D19/04		1600
B01D19/0409	11	{compounds containing Si-atoms}	B01D19/04	B01D19/04		1498
B01D19/0413	11	{compounds containing N-atoms}	B01D19/04	B01D19/04		538
B01D19/0418	11	{compounds containing P-atoms}	B01D19/04	B01D19/04		191
B01D19/0422	11	{compounds containing S-atoms}	B01D19/04	B01D19/04		231
B01D19/0427	11	{compounds containing halogen-atoms}	B01D19/04	B01D19/04		227
B01D19/0431	11	{containing aromatic rings}	B01D19/04	B01D19/04		103
B01D19/0436	12	{with substituted groups}	B01D19/04	B01D19/04		103
B01D19/044	13	{which contain Si-atoms}	B01D19/04	B01D19/04		13
B01D19/0445	13	{which contain N-atoms}	B01D19/04	B01D19/04		36
B01D19/045	13	{which contain P-atoms}	B01D19/04	B01D19/04		7
B01D19/0454	13	{which contain S-atoms}	B01D19/04	B01D19/04		46
B01D19/0459	13	{which contain halogen-atoms}	B01D19/04	B01D19/04		27
B01D19/0463	11	{containing rings other than aromatic rings}	B01D19/04	B01D19/04		47
B01D19/0468	12	{with substituted groups}	B01D19/04	B01D19/04		21
B01D19/0472	13	{which contain Si-atoms}	B01D19/04	B01D19/04		18
B01D19/0477	13	{which contain N-atoms}	B01D19/04	B01D19/04		16
B01D19/0481	13	{which contain P-atoms}	B01D19/04	B01D19/04		
B01D19/0486	13	{which contain S-atoms}	B01D19/04	B01D19/04		5
B01D19/049	13	{which contain halogen-atoms}	B01D19/04	B01D19/04		8
B01D19/0495	11	{containing hetero rings}	B01D19/04	B01D19/04		90
B01D21/00	7	Separation of suspended solid particles from liquids by sedimentation ({separation of ores or the like by sedimentation B03B5/48&#160;-&#160;B03B5/60} ; differential sedimentation B03D3/00; {purification of water, waste water, sewage or sludge C02F, e.g.} devices for separating or removing fatty or oily substances or similar floating material from water, waste water or sewage C02F1/40)<br><br><u>NOTE</u><br><br> Attention is made to the following places of filters: <br> liquid-liquid separation, e.g. for filtering elements made hydrophilic or hydrophobic, B01D12/00,  B01D17/00,  B01D43/00;  filtering material and its regeneration, as well as filtering aids, B01D39/00;  gas or air filters in general B01D46/00; <br> &#160; aquarium filters A01K63/04;  filters for cigars and cigarettes A24D3/00;  filters for coffee or tea-making machines A47J31/06;  filters for frying fat A47J37/12;  filters for suction cleaners A47L9/10;  blood or infusion liquid filters A61M5/165;  filtration devices for laboratory use B01L;  "dewatering" ore or coal slurry B03B5/48;  magnetic filters B03C1/00;  screens or sieves per se B07B1/00; <br> filters for lubricating and cooling systems in turning, boring or milling machines B23Q11/10; <br> filters for cooling systems in grinding machines B24B55/00;  extrusion filters B29C48/69; <br> filter presses B30B9/02; purification of process water, drinking water and waste water C02F; filters for alcoholic beverages C12H1/00; <br> filtering spinning solution or melt D01D1/10; <br> filters for washing machines D06F39/10; <br> filters or strainers for papermaking D21D; <br> filters in water collecting systems E03B3/18,  E03B7/07; <br> subsoil filters for boreholes E21B43/02; <br> air filters for internal-combustion engines F02M35/02; <br> filters for pumps F04B39/16,  F04D29/70; <br> filters in pipe systems F16L55/24; <br> filtration of lubricants F16N39/06; <br> filters for volume measuring apparatus G01F15/12	B01D21/00	B01D21/00		1426
B01D21/0003	8	{Making of sedimentation devices, structural details thereof, e.g. prefabricated parts}	B01D21/00	B01D21/00		961
B01D21/0006	8	{Settling tanks provided with means for cleaning and maintenance}	B01D21/00	B01D21/00		1673
B01D21/0009	8	{Settling tanks making use of electricity or magnetism (electric ultra filters B01D61/425; filters making use of electricity or magnetism B01D35/06; magnetic or electrostatic separation B03C)}	B01D21/00	B01D21/00		520
B01D21/0012	8	{Settling tanks making use of filters, e.g. by floating layers of particulate material}	B01D21/00	B01D21/00		2810
B01D21/0015	8	{Controlling the inclination of settling devices}	B01D21/00	B01D21/00		106
B01D21/0018	8	{provided with a pump mounted in or on a settling tank}	B01D21/00	B01D21/00		758
B01D21/0021	9	{provided with a jet pump}	B01D21/00	B01D21/00		59
B01D21/0024	8	{Inlets or outlets provided with regulating devices, e.g. valves, flaps (B01D21/24 takes precedence)}	B01D21/00	B01D21/00		561
B01D21/0027	8	{Floating sedimentation devices}	B01D21/00	B01D21/00		230
B01D21/003	8	{Sedimentation tanks provided with a plurality of compartments separated by a partition wall (B01D21/0039 takes precedence)}	B01D21/00	B01D21/00		975
B01D21/0033	9	{Vertical, perforated partition walls (B01D21/2422 takes precedence)}	B01D21/00	B01D21/00		253
B01D21/0036	9	{Horizontal partition walls}	B01D21/00	B01D21/00		188
B01D21/0039	8	{Settling tanks provided with contact surfaces, e.g. baffles, particles}	B01D21/00	B01D21/00		925
B01D21/0042	9	{Baffles or guide plates}	B01D21/00	B01D21/00		1517
B01D21/0045	9	{Plurality of essentially parallel plates}	B01D21/00	B01D21/00		1310
B01D21/0048	9	{Plurality of plates inclined in alternating directions}	B01D21/00	B01D21/00		243
B01D21/0051	9	{Plurality of tube like channels}	B01D21/00	B01D21/00		287
B01D21/0054	9	{Plates in form of a coil}	B01D21/00	B01D21/00		76
B01D21/0057	9	{with counter-current flow direction of liquid and solid particles}	B01D21/00	B01D21/00		278
B01D21/006	9	{with co-current flow direction of liquid and solid particles}	B01D21/00	B01D21/00		21
B01D21/0063	9	{with cross-flow flow direction of liquid and solid particles}	B01D21/00	B01D21/00		111
B01D21/0066	9	{with a meandering flow pattern of liquid or solid particles}	B01D21/00	B01D21/00		121
B01D21/0069	9	{Making of contact surfaces, structural details, materials therefor}	B01D21/00	B01D21/00		203
B01D21/0072	10	{Means for adjusting, moving or controlling the position or inclination of the contact surfaces, e.g. for optimising the particle-liquid separation, for removing the settled particles, for preventing fouling}	B01D21/00	B01D21/00		148
B01D21/0075	10	{Contact surfaces having surface features}	B01D21/00	B01D21/00		152
B01D21/0084	8	{Enhancing liquid-particle separation using the flotation principle (flotation in general B03D1/00)}	B01D21/00	B01D21/00		320
B01D21/0087	8	{Settling tanks provided with means for ensuring a special flow pattern, e.g. even inflow or outflow (B01D21/2411 takes precedence)}	B01D21/00	B01D21/00		535
B01D21/009	8	{Heating or cooling mechanisms specially adapted for settling tanks}	B01D21/00	B01D21/00		445
B01D21/0093	8	{Mechanisms for taking out of action one or more units of a multi-unit settling mechanism}	B01D21/00	B01D21/00		175
B01D21/0096	8	{Safety mechanisms specially adapted for settling tanks (B01D21/22 takes precedence)}	B01D21/00	B01D21/00		81
B01D21/01	8	using flocculating agents (for purifying water C02F1/52; for liquid radioactive waste G21F9/10)	B01D21/01	B01D21/01		2814
B01D21/02	8	Settling tanks {with single outlets for the separated liquid}	B01D21/02	B01D21/02		5392
B01D21/04	9	with moving scrapers	B01D21/04	B01D21/04		1173
B01D21/06	10	with rotating scrapers	B01D21/06	B01D21/06		1582
B01D21/08	9	provided with flocculating compartments	B01D21/08	B01D21/08		686
B01D21/10	8	{Settling tanks with multiple outlets for the separated liquids}	B01D21/02	B01D21/10		625
B01D21/12	9	{with moving scrapers}	B01D21/04	B01D21/12		176
B01D21/14	10	{with rotating scrapers}	B01D21/06	B01D21/14		332
B01D21/16	9	{provided with flocculating compartments}	B01D21/08	B01D21/16		113
B01D21/18	8	Construction of the scrapers or the driving mechanisms for settling tanks	B01D21/18	B01D21/18		1460
B01D21/183	9	{with multiple scraping mechanisms}	B01D21/18	B01D21/18		342
B01D21/186	9	{with two or more scrapers fixed at different heights on a central rotating shaft}	B01D21/18	B01D21/18		134
B01D21/20	9	Driving mechanisms	B01D21/20	B01D21/20		1017
B01D21/22	9	Safety mechanisms	B01D21/22	B01D21/22		319
B01D21/24	8	Feed or discharge mechanisms for settling tanks	B01D21/24	B01D21/24		909
B01D21/2405	9	{Feed mechanisms for settling tanks}	B01D21/24	B01D21/24		1806
B01D21/2411	10	{having a tangential inlet}	B01D21/24	B01D21/24		628
B01D21/2416	10	{Liquid distributors with a plurality of feed points}	B01D21/24	B01D21/24		510
B01D21/2422	11	{Vertically arranged feed points}	B01D21/24	B01D21/24		66
B01D21/2427	9	{The feed or discharge opening located at a distant position from the side walls}	B01D21/24	B01D21/24		1856
B01D21/2433	9	{Discharge mechanisms for floating particles}	B01D21/24	B01D21/24		1740
B01D21/2438	10	{provided with scrapers on the liquid surface for removing floating particles}	B01D21/24	B01D21/24		661
B01D21/2444	9	{Discharge mechanisms for the classified liquid}	B01D21/24	B01D21/24		2132
B01D21/245	9	{Discharge mechanisms for the sediments}	B01D21/24	B01D21/24		4819
B01D21/2455	10	{Conveyor belts}	B01D21/24	B01D21/24		266
B01D21/2461	10	{Positive-displacement pumps; Screw feeders; Trough conveyors}	B01D21/24	B01D21/24		687
B01D21/2466	10	{Mammoth pumps, e.g. air lift pumps}	B01D21/24	B01D21/24		147
B01D21/2472	10	{Means for fluidising the sediments, e.g. by jets or mechanical agitators}	B01D21/24	B01D21/24		471
B01D21/2477	10	{Centrifugal pumps}	B01D21/24	B01D21/24		76
B01D21/2483	10	{Means or provisions for manually removing the sediments}	B01D21/24	B01D21/24		267
B01D21/2488	9	{bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids}	B01D21/24	B01D21/24		674
B01D21/2494	9	{provided with means for the removal of gas, e.g. noxious gas, air}	B01D21/24	B01D21/24		382
B01D21/26	8	Separation of sediment aided by centrifugal force {or centripetal force}(centrifuges B04B; cyclones B04C)	B01D21/26	B01D21/26		1495
B01D21/262	9	{by using a centrifuge}	B01D21/26	B01D21/26		1440
B01D21/265	9	{by using a vortex inducer or vortex guide, e.g. coil (B01D21/0054 takes precedence)}	B01D21/26	B01D21/26		369
B01D21/267	9	{by using a cyclone}	B01D21/26	B01D21/26		1188
B01D21/28	8	Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like	B01D21/28	B01D21/28		542
B01D21/283	9	{Settling tanks provided with vibrators}	B01D21/28	B01D21/28		681
B01D21/286	9	{Means for gentle agitation for enhancing flocculation}	B01D21/28	B01D21/28		452
B01D21/30	8	Control equipment	B01D21/30	B01D21/30		1310
B01D21/302	9	{Active control mechanisms with external energy, e.g. with solenoid valve}	B01D21/30	B01D21/30		502
B01D21/305	9	{Control of chemical properties of a component, e.g. control of pH}	B01D21/30	B01D21/30		174
B01D21/307	9	{Passive control mechanisms without external energy, e.g. using a float}	B01D21/30	B01D21/30		262
B01D21/32	9	Density control of clear liquid or sediment, e.g. optical control {; Control of physical properties}	B01D21/32	B01D21/32		459
B01D21/34	9	Controlling the feed distribution; Controlling the liquid level {; Control of process parameters}	B01D21/34	B01D21/34		1775
B01D24/00	7	Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof (B01D27/02 takes precedence)	B01D24/00	B01D24/00		696
B01D24/001	8	{Making filter elements not provided for elsewhere}	B01D24/00	B01D24/00		205
B01D24/002	8	{with multiple filtering elements in parallel connection}	B01D24/00	B01D24/00		253
B01D24/004	9	{arranged concentrically or coaxially}	B01D24/00	B01D24/00		175
B01D24/005	9	{Filters being divided into a plurality of cells or compartments (B01D24/004 takes precedence)}	B01D24/00	B01D24/00		303
B01D24/007	8	{with multiple filtering elements in series connection}	B01D24/00	B01D24/00		514
B01D24/008	9	{arranged concentrically or coaxially}	B01D24/00	B01D24/00		478
B01D24/02	8	with the filter bed stationary during the filtration	B01D24/02	B01D24/02		535
B01D24/04	9	the filtering material being clamped between pervious fixed walls (B01D24/10, B01D24/20 take precedence)	B01D24/04	B01D24/04		350
B01D24/042	10	{the filtering material being held in a flexible porous bag}	B01D24/04	B01D24/04		100
B01D24/045	10	{with at least one flat vertical wall}	B01D24/04	B01D24/04		20
B01D24/047	11	{with vertical tubes distributing the liquid to be filtered or for collecting filtrate}	B01D24/04	B01D24/04		76
B01D24/06	10	the pervious walls comprising a series of louvres or slots	B01D24/06	B01D24/06		122
B01D24/08	10	the filtering material being supported by at least two pervious coaxial walls	B01D24/08	B01D24/08		294
B01D24/10	9	the filtering material being held in a closed container	B01D24/10	B01D24/10		1270
B01D24/105	10	{downward filtration without specifications about the filter material supporting means}	B01D24/10	B01D24/10		315
B01D24/12	10	Downward filtration, the filtering material being supported by pervious surfaces (B01D24/18 takes precedence)	B01D24/12	B01D24/12		1298
B01D2024/125	11	{spray heads specially adapted therefor}	B01D24/12	B01D24/12		6
B01D24/14	10	Downward filtration, the container having distribution or collection headers or pervious conduits (B01D24/18 takes precedence)	B01D24/14	B01D24/14		611
B01D2024/145	11	{spray heads specially adapted therefor}	B01D24/14	B01D24/14		5
B01D24/16	10	Upward filtration (B01D24/18 takes precedence)	B01D24/16	B01D24/16		323
B01D2024/162	11	{spray heads specially adapted therefor}	B01D24/16	B01D24/16		3
B01D24/165	11	{the filtering material being supported by pervious surfaces}	B01D24/16	B01D24/16		365
B01D24/167	11	{the container having distribution or collection headers or pervious conduits}	B01D24/16	B01D24/16		81
B01D24/18	10	Combined upward and downward filtration	B01D24/18	B01D24/18		82
B01D24/183	11	{the filtering material being supported by pervious surfaces}	B01D24/18	B01D24/18		85
B01D24/186	11	{the container having distribution or collection headers or pervious conduits}	B01D24/18	B01D24/18		11
B01D24/20	9	the filtering material being provided in an open container	B01D24/20	B01D24/20		147
B01D24/205	10	{Downward filtration without specifications about the filter material supporting means}	B01D24/20	B01D24/20		232
B01D24/22	10	Downward filtration, the filter material being supported by pervious surfaces	B01D24/22	B01D24/22		596
B01D24/24	10	Downward filtration, the container having distribution or collection headers or pervious conduits	B01D24/24	B01D24/24		578
B01D24/26	10	Upward filtration	B01D24/26	B01D24/26		87
B01D24/263	11	{the filtering material being supported by pervious surfaces}	B01D24/26	B01D24/26		67
B01D24/266	11	{the container having distribution or collection headers or pervious conduits}	B01D24/26	B01D24/26		39
B01D24/28	8	with the filter bed moving during the filtration (with the filter bed fluidised B01D24/36)	B01D24/28	B01D24/28		79
B01D24/30	9	Translation	B01D24/30	B01D24/30		148
B01D24/305	10	{Vibrations}	B01D24/30	B01D24/30		21
B01D24/32	9	Rotation	B01D24/32	B01D24/32		74
B01D24/34	8	with the filtering material and its pervious support moving (tipping buckets, trays or like sections B01D33/327)	B01D24/34	B01D24/34		22
B01D24/36	8	with the filter bed fluidised during the filtration (with the filter bed being stationary B01D24/02)	B01D24/36	B01D24/36		108
B01D24/38	8	Feed or discharge devices	B01D24/38	B01D24/38		195
B01D24/383	9	{using multiple way valves}	B01D24/38	B01D24/38		32
B01D24/386	9	{internal recirculation}	B01D24/38	B01D24/38		57
B01D24/40	9	for feeding	B01D24/40	B01D24/40		436
B01D24/402	10	{containing fixed liquid displacement elements or cores}	B01D24/40	B01D24/40		70
B01D24/405	10	{Special treatment of the feed stream before contacting the filtering material, e.g. cutting (B01D35/24, B01D37/02, B01D37/03 take precedence)}	B01D24/40	B01D24/40		41
B01D24/407	10	{provoking a tangential stream}	B01D24/40	B01D24/40		49
B01D24/42	9	for discharging filtrate	B01D24/42	B01D24/42		266
B01D24/425	10	{containing fixed liquid displacement elements or cores}	B01D24/42	B01D24/42		39
B01D24/44	9	for discharging filter cake, e.g. chutes	B01D24/44	B01D24/44		135
B01D24/46	8	Regenerating the filtering material in the filter (B01D24/44 takes precedence)	B01D24/46	B01D24/46		553
B01D24/4605	9	{by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer (B01D24/4631 takes precedence)}	B01D24/46	B01D24/46		50
B01D24/461	10	{by scrapers}	B01D24/46	B01D24/46		156
B01D24/4615	10	{by brushes}	B01D24/46	B01D24/46		43
B01D24/4621	10	{by nozzles acting on the cake side of the filter material, or by fluids acting in co-current direction with the feed stream}	B01D24/46	B01D24/46		210
B01D24/4626	9	{Construction of spray heads specially adapted for regeneration of the filter material or for filtrate discharging}	B01D24/46	B01D24/46		213
B01D24/4631	9	{Counter-current flushing, e.g. by air}	B01D24/46	B01D24/46		1885
B01D24/4636	10	{with backwash shoes; with nozzles}	B01D24/46	B01D24/46		749
B01D24/4642	10	{with valves, e.g. rotating valves}	B01D24/46	B01D24/46		232
B01D24/4647	11	{with a rectilinear movement of the closing means}	B01D24/46	B01D24/46		39
B01D24/4652	10	{by using gasbumps}	B01D24/46	B01D24/46		61
B01D24/4657	10	{by using membranes}	B01D24/46	B01D24/46		9
B01D24/4663	10	{by using pistons}	B01D24/46	B01D24/46		7
B01D24/4668	9	{by moving the filtering element (B01D24/4605 and B01D24/4631 take precedence)}	B01D24/46	B01D24/46		151
B01D24/4673	10	{using rotary devices or vibration mechanisms, e.g. stirrers}	B01D24/46	B01D24/46		356
B01D24/4678	10	{using free vortex flow}	B01D24/46	B01D24/46		28
B01D24/4684	10	{using spray devices}	B01D24/46	B01D24/46		178
B01D24/4689	10	{Displacement of the filtering material to a compartment of the filtering device for regeneration}	B01D24/46	B01D24/46		337
B01D24/4694	9	{containing filter material retaining means (e.g. screens, balls) placed on the surface of the filter material}	B01D24/46	B01D24/46		120
B01D24/48	8	integrally combined with devices for controlling the filtration	B01D24/48	B01D24/48		324
B01D24/4807	9	{Handling the filter cake for purposes other than regenerating}	B01D24/48	B01D24/48		13
B01D24/4815	10	{for washing}	B01D24/48	B01D24/48		139
B01D24/4823	10	{for drying}	B01D24/48	B01D24/48		4
B01D24/483	11	{by compression}	B01D24/48	B01D24/48		17
B01D24/4838	11	{by gases or by heating}	B01D24/48	B01D24/48		14
B01D24/4846	10	{Retarding cake deposition on the filter during the filtration period, e.g. using stirrers (B01D24/407 takes precedence)}	B01D24/48	B01D24/48		24
B01D24/4853	9	{by clearness or turbidity measuring}	B01D24/48	B01D24/48		48
B01D24/4861	9	{by flow measuring}	B01D24/48	B01D24/48		67
B01D24/4869	9	{by level measuring}	B01D24/48	B01D24/48		321
B01D24/4876	9	{in which the filtering elements are moved between filtering operations; particular measures for removing or replacing the filtering elements (B01D24/46, B01D24/4807 take precedence)}	B01D24/48	B01D24/48		179
B01D24/4884	9	{by pressure measuring}	B01D24/48	B01D24/48		201
B01D24/4892	9	{by temperature measuring}	B01D24/48	B01D24/48		8
B01D25/00	7	Filters formed by clamping together several filtering elements or parts of such elements (disc filters B01D29/39)	B01D25/00	B01D25/00		263
B01D25/001	8	{Making filtering elements not provided for elsewhere}	B01D25/00	B01D25/00		307
B01D25/002	8	{Clamping devices (B01D25/12 and subgroups take precedence)}	B01D25/00	B01D25/00		54
B01D25/003	8	{integrally combined with devices for controlling the filtration}	B01D25/00	B01D25/00		273
B01D25/004	9	{by clearness or turbidity measuring}	B01D25/00	B01D25/00		30
B01D25/005	9	{by flow measuring}	B01D25/00	B01D25/00		31
B01D25/006	9	{by level measuring}	B01D25/00	B01D25/00		19
B01D25/007	9	{by pressure measuring}	B01D25/00	B01D25/00		143
B01D25/008	9	{by temperature measuring}	B01D25/00	B01D25/00		11
B01D25/02	8	in which the elements are pre-formed independent filtering units, e.g. modular systems	B01D25/02	B01D25/02		223
B01D25/12	8	Filter presses, i.e. of the plate or plate and frame type	B01D25/12	B01D25/12		1949
B01D25/127	9	with one or more movable filter bands arranged to be clamped between the press plates or between a plate and a frame during filtration, e.g. zigzag endless filter bands (B01D25/172, B01D25/176, B01D25/19 take precedence)	B01D25/127	B01D25/127		309
B01D25/1275	10	{the plates or the frames being placed in a non-vertical position}	B01D25/127	B01D25/127		156
B01D25/164	9	Chamber-plate presses, i.e. the sides of the filtering elements being clamped between two successive filtering plates (B01D25/127, B01D25/172, B01D25/176, B01D25/19 take precedence)	B01D25/164	B01D25/164		652
B01D25/1645	10	{the plates being placed in a non-vertical position}	B01D25/164	B01D25/164		47
B01D25/172	9	Plate spreading means (removal of filter cakes B01D25/32)	B01D25/172	B01D25/172		595
B01D25/176	9	attaching the filter element to the filter press plates, e.g. around the central feed hole in the plates	B01D25/176	B01D25/176		311
B01D25/19	9	Clamping means for closing the filter press, e.g. hydraulic jacks	B01D25/19	B01D25/19		332
B01D25/21	9	Plate and frame presses (B01D25/172, B01D25/176, B01D25/19 take precedence)	B01D25/21	B01D25/21		552
B01D25/215	10	{Construction of the filter plates, frames}	B01D25/21	B01D25/21		1343
B01D25/22	8	Cell-type filters	B01D25/22	B01D25/22		33
B01D25/24	9	Cell-type roll filters	B01D25/24	B01D25/24		246
B01D25/26	9	Cell-type stack filters	B01D25/26	B01D25/26		705
B01D25/28	8	Leaching or washing filter cakes in the filter {handling the filter cake for purposes other than regenerating}	B01D25/28	B01D25/28		208
B01D25/281	9	{specially for chamber filter presses}	B01D25/28	B01D25/28		71
B01D25/282	9	{for drying}	B01D25/28	B01D25/28		61
B01D25/284	10	{by gases or by heating}	B01D25/28	B01D25/28		216
B01D25/285	10	{by compression using inflatable membranes}	B01D25/28	B01D25/28		423
B01D25/287	10	{by compression using pistons}	B01D25/28	B01D25/28		45
B01D25/288	9	{Retarding cake deposition on the filter during the filtration period, e.g. using stirrers}	B01D25/28	B01D25/28		20
B01D25/30	8	Feeding devices {; Discharge devices}	B01D25/30	B01D25/30		487
B01D25/302	9	{specially adapted for chamber filter presses}	B01D25/30	B01D25/30		176
B01D25/305	9	{for discharging filtrate}	B01D25/30	B01D25/30		198
B01D25/307	9	{with internal recirculation through the filtering element (B01D37/02 takes precedence)}	B01D25/30	B01D25/30		13
B01D25/32	8	Removal of the filter cakes	B01D25/32	B01D25/32		445
B01D25/322	9	{specially for chamber filter presses}	B01D25/32	B01D25/32		155
B01D25/325	9	{counter-current flushing, e.g. by air bumps}	B01D25/32	B01D25/32		123
B01D25/327	10	{with backwash shoes, with nozzles}	B01D25/32	B01D25/32		110
B01D25/34	9	by moving, {e.g. rotating,} the filter elements {(B01D25/172, B01D25/19 take precedence)}	B01D25/34	B01D25/34		442
B01D25/343	10	{Particular measures for replacing or isolating one or more filtering elements; Transport systems for the filtering apparatus (B01D25/28, B01D25/32, B01D25/346, B01D25/36 take precedence)}	B01D25/34	B01D25/34		99
B01D25/346	10	{by vibration}	B01D25/34	B01D25/34		260
B01D25/36	10	by centrifugal force	B01D25/36	B01D25/36		21
B01D25/38	9	by moving parts, e.g. scrapers, contacting stationary filter elements {sprayers}	B01D25/38	B01D25/38		403
B01D25/383	10	{Brushes}	B01D25/38	B01D25/38		94
B01D25/386	10	{Nozzles}	B01D25/38	B01D25/38		199
B01D27/00	7	Cartridge filters of the throw-away type	B01D27/00	B01D27/00		559
B01D27/005	8	{Making filter elements not provided for elsewhere}	B01D27/00	B01D27/00		379
B01D27/02	8	with cartridges made from a mass of loose {granular or fibrous} material	B01D27/02	B01D27/02		762
B01D27/04	8	with cartridges made of a piece of unitary material, e.g. filter paper	B01D27/04	B01D27/04		163
B01D27/06	9	with corrugated, folded or wound material	B01D27/06	B01D27/06		704
B01D27/07	10	having a coaxial stream through the filtering element	B01D27/07	B01D27/07		129
B01D27/08	8	Construction of the casing	B01D27/08	B01D27/08		1892
B01D27/10	8	Safety devices, e.g. by-passes	B01D27/10	B01D27/10		169
B01D27/101	9	{Filter condition indicators}	B01D27/10	B01D27/10		57
B01D27/103	9	{Bypass or safety valves}	B01D27/10	B01D27/10		518
B01D27/105	9	{Bidirectional working filters}	B01D27/10	B01D27/10		8
B01D27/106	9	{Anti-leakage or anti-return valves}	B01D27/10	B01D27/10		465
B01D27/108	9	{Flow control valves; Damping or calibrated passages}	B01D27/10	B01D27/10		64
B01D27/14	8	having more than one filtering element	B01D27/14	B01D27/14		106
B01D27/142	9	{connected in parallel}	B01D27/14	B01D27/14		42
B01D27/144	10	{arranged concentrically or coaxially}	B01D27/14	B01D27/14		146
B01D27/146	9	{connected in series}	B01D27/14	B01D27/14		45
B01D27/148	10	{arranged concentrically or coaxially}	B01D27/14	B01D27/14		154
B01D29/00	7	Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor	B01D29/00	B01D29/00		1269
B01D29/0093	8	{Making filtering elements not provided for elsewhere}	B01D29/00	B01D29/00		172
B01D29/0095	8	{Flat filtering elements (B01D25/12, B01D25/26 take precedence)}	B01D29/00	B01D29/00		98
B01D29/0097	8	{Curved filtering elements, e.g. concave filtering elements}	B01D29/00	B01D29/00		66
B01D29/01	8	with flat filtering elements (B01D29/39 takes precedence)<br><br><u>NOTE</u><br><br>If the construction of the filtering element itself is of minor importance the document is classified in the subgroups B01D29/01 and B01D29/014 - B01D29/018; otherwise in the subgroups  B01D29/03 - B01D29/073	B01D29/01	B01D29/01		7252
B01D29/012	9	{Making filtering elements (making bag, cage, hose, tube, sleeve or like filtering elements B01D29/111)}	B01D29/01	B01D29/01		859
B01D29/014	9	{with curved filtering elements (construction B01D29/035, B01D29/071)}	B01D29/01	B01D29/01		463
B01D29/016	9	{with corrugated, folded or wound filtering elements}	B01D29/01	B01D29/01		247
B01D29/018	9	{ring shaped}	B01D29/01	B01D29/01		171
B01D29/03	9	self-supporting	B01D29/03	B01D29/03		13389
B01D29/031	10	{with corrugated, folded filtering elements}	B01D29/03	B01D29/03		105
B01D2029/033	10	{bar screens}	B01D29/03	B01D29/03		198
B01D29/035	10	{with curved filtering elements}	B01D29/03	B01D29/03		662
B01D29/036	10	{ring shaped}	B01D29/03	B01D29/03		152
B01D29/038	11	{with corrugated, folded filtering elements}	B01D29/03	B01D29/03		16
B01D29/05	9	supported	B01D29/05	B01D29/05		2369
B01D29/055	10	{ring shaped}	B01D29/05	B01D29/05		271
B01D29/07	10	with corrugated, folded or wound filtering sheets	B01D29/07	B01D29/07		530
B01D29/071	11	{with curved filtering elements (B01D29/072, B01D29/073 take precedence)}	B01D29/07	B01D29/07		115
B01D29/072	11	{ring shaped}	B01D29/07	B01D29/07		154
B01D29/073	11	{with wound filtering sheets}	B01D29/07	B01D29/07		153
B01D29/075	9	located in a closed housing and comprising scrapers or agitators on the cake side of the filtering elements, e.g. Nutsche- or Rosenmund-type filters for performing multiple step operations such as chemical reactions, filtering and cake treatment<br><br><u>NOTE</u><br><br>If the subject matter classified in this group also contains relevant information covered by other subgroups of group B01D29/00, it is also classified in the other appropriate subgroups of group B01D29/00.	B01D29/075	B01D29/075		394
B01D29/085	8	Funnel filters; Holders therefor	B01D29/085	B01D29/085		950
B01D29/09	8	with filtering bands, e.g. movable between filtering operations	B01D29/09	B01D29/09		564
B01D29/093	9	{combined with means to fasten the opposite edges of the filtering band together, e.g. Zipper}	B01D29/09	B01D29/09		18
B01D29/096	9	{Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts}	B01D29/09	B01D29/09		286
B01D29/11	8	with bag, cage, hose, tube, sleeve or like filtering elements<br><br><u>NOTE</u><br><br> If the construction of the filtering element itself is of minor importance the document is classified in the subgroups B01D29/11, B01D29/114 and B01D29/117, otherwise in the subgroups B01D29/13&#160;-&#160;B01D29/356	B01D29/11	B01D29/11		1963
B01D29/111	9	{Making filtering elements}	B01D29/11	B01D29/11		2152
B01D29/112	9	{Ring shaped filters wherein both opposite axial sides are opened and the axial length is shorter than the diameter, e.g. as used in hydraulic transmission systems}	B01D29/11	B01D29/11		48
B01D29/114	9	{arranged for inward flow filtration (B01D29/15, B01D29/33 take precedence)}	B01D29/11	B01D29/11		2227
B01D29/115	10	{open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element}	B01D29/11	B01D29/11		194
B01D29/117	9	{arranged for outward flow filtration (B01D29/23, B01D29/35 take precedence)}	B01D29/11	B01D29/11		1352
B01D29/118	10	{open-ended}	B01D29/11	B01D29/11		634
B01D29/13	9	Supported filter elements	B01D29/13	B01D29/13		546
B01D29/15	10	arranged for inward flow filtration	B01D29/15	B01D29/15		3976
B01D29/17	11	open-ended {the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element}	B01D29/17	B01D29/17		130
B01D29/19	11	on solid frames with surface grooves or the like	B01D29/19	B01D29/19		148
B01D29/21	11	with corrugated, folded or wound sheets	B01D29/21	B01D29/21		2746
B01D29/213	12	{having a concertina shape}	B01D29/21	B01D29/21		192
B01D29/216	12	{with wound sheets}	B01D29/21	B01D29/21		398
B01D29/23	10	arranged for outward flow filtration	B01D29/23	B01D29/23		1636
B01D29/232	11	{with corrugated, folded or wound sheets}	B01D29/23	B01D29/23		428
B01D29/235	12	{having a concertina shape}	B01D29/23	B01D29/23		60
B01D29/237	12	{with wound sheets}	B01D29/23	B01D29/23		63
B01D29/25	11	open-ended {the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element}	B01D29/25	B01D29/25		364
B01D29/27	11	Filter bags	B01D29/27	B01D29/27		1430
B01D29/31	9	Self-supporting filtering elements	B01D29/31	B01D29/31		845
B01D29/33	10	arranged for inward flow filtration	B01D29/33	B01D29/33		1871
B01D29/333	11	{with corrugated, folded filtering elements}	B01D29/33	B01D29/33		107
B01D29/336	11	{open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element}	B01D29/33	B01D29/33		59
B01D29/35	10	arranged for outward flow filtration	B01D29/35	B01D29/35		3045
B01D29/353	11	{with corrugated, folded filtering elements}	B01D29/35	B01D29/35		41
B01D29/356	11	{open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element}	B01D29/35	B01D29/35		263
B01D29/39	8	with hollow discs side by side on, or around, one or more tubes, e.g. of the leaf type	B01D29/39	B01D29/39		705
B01D29/395	9	{mounted axially on the tube}	B01D29/39	B01D29/39		121
B01D29/41	9	mounted transversely on the tube	B01D29/41	B01D29/41		784
B01D29/413	10	{divided in sectors}	B01D29/41	B01D29/41		55
B01D29/416	10	{Filtering tables}	B01D29/41	B01D29/41		122
B01D29/43	9	mounted otherwise than transversely on the tube {mounted otherwise than axially on the tube}	B01D29/43	B01D29/43		27
B01D29/44	8	Edge filtering elements, i.e. using contiguous impervious surfaces	B01D29/44	B01D29/44		383
B01D29/445	9	{Bar screens}	B01D29/44	B01D29/44		629
B01D29/46	9	of flat, stacked bodies	B01D29/46	B01D29/46		1085
B01D29/48	9	of spirally or helically wound bodies	B01D29/48	B01D29/48		818
B01D29/50	8	with multiple filtering elements, characterised by their mutual disposition (B01D29/39 takes precedence)	B01D29/50	B01D29/50		2407
B01D29/52	9	in parallel connection	B01D29/52	B01D29/52		4070
B01D29/54	10	arranged concentrically or coaxially	B01D29/54	B01D29/54		1870
B01D29/56	9	in series connection	B01D29/56	B01D29/56		5641
B01D29/58	10	arranged concentrically or coaxially	B01D29/58	B01D29/58		4581
B01D29/60	8	integrally combined with devices for controlling the filtration	B01D29/60	B01D29/60		1486
B01D29/601	9	{by clearness or turbidity measuring}	B01D29/60	B01D29/60		105
B01D29/603	9	{by flow measuring}	B01D29/60	B01D29/60		384
B01D29/605	9	{by level measuring}	B01D29/60	B01D29/60		636
B01D29/606	9	{by pressure measuring}	B01D29/60	B01D29/60		1583
B01D29/608	9	{by temperature measuring}	B01D29/60	B01D29/60		164
B01D29/62	8	Regenerating the filter material in the filter (devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration, B01D35/12)	B01D29/62	B01D29/62		1461
B01D29/64	9	by scrapers, brushes, {nozzles}, or the like, acting on the cake side of the filtering element	B01D29/64	B01D29/64		1562
B01D29/6407	10	{brushes}	B01D29/64	B01D29/64		555
B01D29/6415	11	{with a rotary movement with respect to the filtering element}	B01D29/64	B01D29/64		2143
B01D29/6423	11	{with a translational movement with respect to the filtering element}	B01D29/64	B01D29/64		1292
B01D29/643	11	{with a combination of movements with respect to the filtering elements}	B01D29/64	B01D29/64		147
B01D29/6438	10	{nozzles}	B01D29/64	B01D29/64		494
B01D29/6446	11	{with a rotary movement with respect to the filtering element}	B01D29/64	B01D29/64		318
B01D29/6453	11	{with a translational movement with respect to the filtering element}	B01D29/64	B01D29/64		139
B01D29/6461	11	{with a combination of movements with respect to the filtering elements}	B01D29/64	B01D29/64		29
B01D29/6469	10	{scrapers}	B01D29/64	B01D29/64		741
B01D29/6476	11	{with a rotary movement with respect to the filtering element}	B01D29/64	B01D29/64		3266
B01D29/6484	11	{with a translatory movement with respect to the filtering element}	B01D29/64	B01D29/64		2813
B01D29/6492	11	{with a combination of movements with respect to the filtering elements}	B01D29/64	B01D29/64		117
B01D29/66	9	by flushing, e.g. counter-current air-bumps	B01D29/66	B01D29/66		3588
B01D29/661	10	{by using gas-bumps}	B01D29/66	B01D29/66		335
B01D29/663	10	{by using membranes}	B01D29/66	B01D29/66		48
B01D29/665	10	{by using pistons}	B01D29/66	B01D29/66		147
B01D29/666	10	{by a stirrer placed on the filtrate side of the filtering element}	B01D29/66	B01D29/66		56
B01D29/668	10	{with valves, e.g. rotating valves for coaxially placed filtering elements}<br><br><u>NOTE</u><br><br>the subgroup covers only counter-current flushing.	B01D29/66	B01D29/66		806
B01D29/68	10	with backwash arms, shoes or nozzles	B01D29/68	B01D29/68		1893
B01D29/682	11	{with a rotary movement with respect to the filtering element}	B01D29/68	B01D29/68		719
B01D29/684	11	{with a translatory movement with respect to the filtering element}	B01D29/68	B01D29/68		264
B01D29/686	11	{with a combination of movements with respect to the filtering elements}	B01D29/68	B01D29/68		50
B01D29/688	11	{with backwash arms or shoes acting on the cake side}	B01D29/68	B01D29/68		758
B01D29/70	9	by forces created by movement of the filter element	B01D29/70	B01D29/70		1172
B01D29/705	10	{by compression of compressible filter medium, e.g. foam}	B01D29/70	B01D29/70		80
B01D29/72	10	involving vibrations	B01D29/72	B01D29/72		1974
B01D29/74	10	involving centrifugal force	B01D29/74	B01D29/74		350
B01D29/76	8	Handling the filter cake in the filter for purposes other than for regenerating (B01D29/94 takes precedence)	B01D29/76	B01D29/76		347
B01D29/78	9	for washing	B01D29/78	B01D29/78		484
B01D29/80	9	for drying	B01D29/80	B01D29/80		143
B01D29/82	10	by compression	B01D29/82	B01D29/82		719
B01D29/822	11	{using membranes}	B01D29/82	B01D29/82		171
B01D29/824	11	{using pistons}	B01D29/82	B01D29/82		164
B01D29/826	11	{using rollers}	B01D29/82	B01D29/82		53
B01D29/828	11	{using screws (B01D29/6476 takes precedence)}	B01D29/82	B01D29/82		316
B01D29/84	10	by gases or by heating	B01D29/84	B01D29/84		198
B01D29/843	11	{by direct contact with a fluid}	B01D29/84	B01D29/84		320
B01D29/846	11	{by indirect heat-exchange}	B01D29/84	B01D29/84		166
B01D29/86	9	Retarding cake deposition on the filter during the filtration period, e.g. using stirrers {(B01D29/908 takes precedence)}	B01D29/86	B01D29/86		1228
B01D29/865	10	{by vibration of the liquid}	B01D29/86	B01D29/86		66
B01D29/88	8	having feed or discharge devices	B01D29/88	B01D29/88		390
B01D29/885	9	{with internal recirculation through the filtering element (B01D37/02 takes precedence)}	B01D29/88	B01D29/88		234
B01D29/90	9	for feeding	B01D29/90	B01D29/90		1924
B01D29/902	10	{containing fixed liquid displacement elements or cores}	B01D29/90	B01D29/90		940
B01D29/904	10	{directing the mixture to be filtered on the filtering element in a manner to clean the filter continuously (B01D29/115, B01D29/118, B01D29/17, B01D29/25, B01D29/336, B01D29/356, B01D29/902, B01D29/908 take precedence)}	B01D29/90	B01D29/90		249
B01D29/906	10	{Special treatment of the feed stream before contacting the filtering element, e.g. cutting (B01D35/24, B01D37/02, B01D37/03 take precedence)}	B01D29/90	B01D29/90		335
B01D29/908	10	{provoking a tangential stream}	B01D29/90	B01D29/90		583
B01D29/92	9	for discharging filtrate	B01D29/92	B01D29/92		1537
B01D29/925	10	{containing liquid displacement elements or cores}	B01D29/92	B01D29/92		539
B01D29/94	9	for discharging the filter cake, e.g. chutes	B01D29/94	B01D29/94		4830
B01D29/945	10	{for continuously discharging concentrated liquid}	B01D29/94	B01D29/94		325
B01D29/96	8	in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters (B01D29/09, B01D29/70 take precedence)	B01D29/96	B01D29/96		8827
B01D29/965	9	{Device for changing the inclination of the filtering element}	B01D29/96	B01D29/96		322
B01D33/00	7	Filters with filtering elements which move during the filtering operation (filters comprising loose filtering material moving or fluidised during filtration B01D24/28&#160;-&#160;B01D24/36; centrifuges B04B)	B01D33/00	B01D33/00		392
B01D33/01	8	with translationally moving filtering elements, e.g. pistons (B01D33/04&#160;-&#160;B01D33/327 take precedence)	B01D33/01	B01D33/01		300
B01D33/0108	9	{with bag, cage, hose, tube, sleeve or the like filtering elements}	B01D33/01	B01D33/01		29
B01D33/0116	10	{arranged for inward flow filtration}	B01D33/01	B01D33/01		41
B01D33/0125	11	{open ended}	B01D33/01	B01D33/01		6
B01D33/0133	10	{arranged for outward flow filtration}	B01D33/01	B01D33/01		89
B01D33/0141	11	{open ended}	B01D33/01	B01D33/01		50
B01D33/015	9	{with flat filtering elements}	B01D33/01	B01D33/01		406
B01D33/0158	10	{self-supporting}	B01D33/01	B01D33/01		637
B01D33/0166	11	{Bar screens}	B01D33/01	B01D33/01		48
B01D33/0175	11	{with curved filtering elements}	B01D33/01	B01D33/01		40
B01D33/0183	10	{supported}	B01D33/01	B01D33/01		107
B01D33/0191	11	{with corrugated, folded or wound filtering sheets}	B01D33/01	B01D33/01		6
B01D33/03	9	with vibrating filter elements	B01D33/03	B01D33/03		496
B01D33/0307	10	{with bag, cage, hose, tube, sleeve or the like filtering elements}	B01D33/03	B01D33/03		36
B01D33/0315	11	{arranged for inward flow filtration}	B01D33/03	B01D33/03		69
B01D33/0323	12	{open ended}	B01D33/03	B01D33/03		11
B01D33/033	11	{arranged for outward flow filtration}	B01D33/03	B01D33/03		126
B01D33/0338	12	{open ended}	B01D33/03	B01D33/03		67
B01D33/0346	10	{with flat filtering elements}	B01D33/03	B01D33/03		622
B01D33/0353	11	{self-supporting}	B01D33/03	B01D33/03		794
B01D33/0361	12	{Bar screens}	B01D33/03	B01D33/03		31
B01D33/0369	12	{with curved filtering elements}	B01D33/03	B01D33/03		58
B01D33/0376	11	{supported}	B01D33/03	B01D33/03		228
B01D33/0384	12	{with corrugated, folded or wound filtering sheets}	B01D33/03	B01D33/03		45
B01D33/0392	12	{with curved filtering elements}	B01D33/03	B01D33/03		21
B01D33/04	8	with filtering bands or the like supported on cylinders which are impervious for filtering	B01D33/04	B01D33/04		2151
B01D33/042	9	{whereby the filtration and squeezing-out take place between at least two filtering bands}	B01D33/04	B01D33/04		459
B01D33/044	8	with filtering bands or the like supported on cylinders which are pervious for filtering	B01D33/044	B01D33/044		112
B01D33/048	9	with endless filtering bands	B01D33/048	B01D33/048		496
B01D33/052	10	combined with a compression device (B01D33/64 takes precedence)	B01D33/052	B01D33/052		32
B01D33/056	8	Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts	B01D33/056	B01D33/056		814
B01D33/0565	9	{combined with means to fasten the opposite edges of the filtering band together, e.g. Zipper}	B01D33/056	B01D33/056		38
B01D33/06	8	with rotary cylindrical filtering surfaces, e.g. hollow drums (B01D33/044 takes precedence {; rotating drums for paper-making D21B})	B01D33/06	B01D33/06		1305
B01D33/067	9	Construction of the filtering drums, e.g. mounting or sealing arrangements	B01D33/067	B01D33/067		1518
B01D33/073	9	arranged for inward flow filtration	B01D33/073	B01D33/073		2006
B01D33/09	10	with surface cells independently connected to pressure distributors	B01D33/09	B01D33/09		515
B01D33/11	9	arranged for outward flow filtration	B01D33/11	B01D33/11		3036
B01D33/13	10	with surface cells independently connected to pressure distributors	B01D33/13	B01D33/13		46
B01D33/15	8	with rotary plane filtering surfaces	B01D33/15	B01D33/15		1099
B01D33/155	9	{the filtering surface being parallel to the rotation axis}	B01D33/15	B01D33/15		123
B01D33/17	9	with rotary filtering tables (tables divided into separately tiltable buckets, trays or like sections B01D33/327)	B01D33/17	B01D33/17		443
B01D33/19	10	the table surface being divided in successively tilted sectors or cells, e.g. for discharging the filter cake	B01D33/19	B01D33/19		193
B01D33/21	9	with hollow filtering discs transversely mounted on a hollow rotary shaft	B01D33/21	B01D33/21		886
B01D33/215	10	{the filtering discs being fixed inwardly on a rotating construction}	B01D33/21	B01D33/21		40
B01D33/23	10	Construction of discs or component sectors thereof	B01D33/23	B01D33/23		677
B01D33/25	9	with hollow frames axially mounted on a hollow rotary shaft	B01D33/25	B01D33/25		111
B01D33/27	8	with rotary filtering surfaces, which are neither cylindrical nor planar, e.g. helical surfaces	B01D33/27	B01D33/27		376
B01D33/275	9	{using contiguous impervious surfaces}	B01D33/27	B01D33/27		247
B01D33/29	8	the movement of the filter elements being a combination of movements (B01D33/19 takes precedence)	B01D33/29	B01D33/29		282
B01D33/31	9	Planetary movement	B01D33/31	B01D33/31		49
B01D33/327	9	Tipping buckets, trays or like sections	B01D33/327	B01D33/327		161
B01D33/333	8	with individual filtering elements moving along a closed path (tipping buckets, trays or like sections B01D33/327)	B01D33/333	B01D33/333		400
B01D33/35	8	with multiple filtering elements characterised by their mutual disposition ({B01D33/042} , B01D33/21 take precedence)	B01D33/35	B01D33/35		520
B01D33/37	9	in parallel connection	B01D33/37	B01D33/37		599
B01D33/39	10	concentrically or coaxially	B01D33/39	B01D33/39		401
B01D33/41	9	in series connection	B01D33/41	B01D33/41		718
B01D33/42	10	concentrically or coaxially	B01D33/42	B01D33/42		678
B01D33/44	8	Regenerating the filter material in the filter (devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration, B01D35/12)	B01D33/44	B01D33/44		509
B01D33/46	9	by scrapers, brushes {nozzles} or the like acting on the cake-side of the filtering element {(B01D33/503 takes precedence)}	B01D33/46	B01D33/46		515
B01D33/461	10	{brushes}	B01D33/46	B01D33/46		1067
B01D33/463	10	{nozzles}	B01D33/46	B01D33/46		945
B01D33/465	10	{take-off rollers}	B01D33/46	B01D33/46		205
B01D33/466	10	{scrapers}	B01D33/46	B01D33/46		3072
B01D33/468	10	{wires, strands, strings or the like}	B01D33/46	B01D33/46		16
B01D33/48	9	by flushing, e.g. counter-current air-bumps<br><br><u>NOTE</u><br><br>the subgroup covers only counter-current flushing	B01D33/48	B01D33/48		1140
B01D33/50	10	with backwash arms, shoes or nozzles	B01D33/50	B01D33/50		1628
B01D33/503	11	{the backwash arms, shoes acting on the cake side}	B01D33/50	B01D33/50		272
B01D33/506	11	{with a stirrer placed on the filtrate side}	B01D33/50	B01D33/50		18
B01D33/52	9	by forces created by movement of the filter element	B01D33/52	B01D33/52		256
B01D33/54	10	involving vibrations	B01D33/54	B01D33/54		887
B01D33/56	10	involving centrifugal force	B01D33/56	B01D33/56		329
B01D33/58	8	Handling the filter cake in the filter for purposes other than for regenerating (B01D33/76 takes precedence){the filter cake remaining on the filtering element}	B01D33/58	B01D33/58		306
B01D33/60	9	for washing	B01D33/60	B01D33/60		614
B01D33/62	9	for drying	B01D33/62	B01D33/62		131
B01D33/64	10	by compression	B01D33/64	B01D33/64		378
B01D33/642	11	{by pressure belts}	B01D33/64	B01D33/64		106
B01D33/644	11	{by pressure plates, membranes}	B01D33/64	B01D33/64		103
B01D33/646	11	{by pressure rollers}	B01D33/64	B01D33/64		385
B01D33/648	11	{by screws}	B01D33/64	B01D33/64		165
B01D33/66	10	by gases or by heating	B01D33/66	B01D33/66		138
B01D33/663	11	{by direct contact with a fluid}	B01D33/66	B01D33/66		253
B01D33/666	11	{by indirect heat-exchange}	B01D33/66	B01D33/66		75
B01D33/68	9	Retarding cake deposition on the filter during the filtration period, e.g. using stirrers	B01D33/68	B01D33/68		560
B01D33/70	8	having feed or discharge devices (B01D33/82 takes precedence)	B01D33/70	B01D33/70		219
B01D33/705	9	{with internal recirculation through the filter}	B01D33/70	B01D33/70		100
B01D33/72	9	for feeding	B01D33/72	B01D33/72		1008
B01D33/722	10	{containing fixed liquid displacement elements or cores}	B01D33/72	B01D33/72		252
B01D33/725	10	{Special treatment of the feed stream before contacting the filtering element, e.g. cutting (B01D35/24, B01D37/02, B01D37/03 take precedence)}	B01D33/72	B01D33/72		131
B01D33/727	10	{provoking a tangential stream}	B01D33/72	B01D33/72		80
B01D33/74	9	for discharging filtrate	B01D33/74	B01D33/74		655
B01D33/742	10	{containing fixed liquid displacement elements or cores}	B01D33/74	B01D33/74		112
B01D33/745	10	{Construction of suction casings, pans, or the like}	B01D33/74	B01D33/74		114
B01D33/747	11	{moving during the filtration period}	B01D33/74	B01D33/74		27
B01D33/76	9	for discharging the filter cake, e.g. chutes	B01D33/76	B01D33/76		2476
B01D33/763	10	{for continuously discharging concentrated liquid}	B01D33/76	B01D33/76		172
B01D33/766	10	{Devices for breaking the filter cake, e.g. cutting}	B01D33/76	B01D33/76		86
B01D33/80	8	Accessories	B01D33/80	B01D33/80		1462
B01D33/801	9	{Driving means, shaft packing systems or the like}	B01D33/80	B01D33/80		2153
B01D33/802	9	{Device for changing the inclination of the filtering element}	B01D33/80	B01D33/80		154
B01D33/803	9	{in which the filtering elements are moved between filtering operations (B01D33/52 takes precedence); Particular measures for removing or replacing the filtering elements; Transport systems for filters}	B01D33/80	B01D33/80		771
B01D33/804	9	{integrally combined with devices for controlling the filtration}	B01D33/80	B01D33/80		578
B01D33/805	10	{by clearness or turbidity measuring}	B01D33/80	B01D33/80		22
B01D33/806	10	{by flow measuring}	B01D33/80	B01D33/80		88
B01D33/807	10	{by level measuring}	B01D33/80	B01D33/80		347
B01D33/808	10	{by pressure measuring}	B01D33/80	B01D33/80		236
B01D33/809	10	{by temperature measuring}	B01D33/80	B01D33/80		47
B01D33/82	9	Means for pressure distribution	B01D33/82	B01D33/82		350
B01D35/00	7	Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions	B01D35/00	B01D35/00		3564
B01D35/005	8	{Filters specially adapted for use in internal-combustion engine lubrication or fuel systems}	B01D35/00	B01D35/00		1619
B01D35/02	8	Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks, (B01D35/05 takes precedence; {water pipe system filters E03B3/18, E03B7/07; dirt catchers in sewers E03F; filters or strainers for pipe-lines in general B08B, E03F; object or dirt catching devices in sinks or the like E03C1/26; suction strainers or filters for pumps F04B53/005, F04D29/70})	B01D35/02	B01D35/02		12317
B01D35/023	9	{Filler pipe filters}	B01D35/02	B01D35/02		136
B01D35/027	9	rigidly mounted in or on tanks or reservoirs (B01D35/04 takes precedence)	B01D35/027	B01D35/027		1605
B01D35/0273	10	{Filtering elements with a horizontal or inclined rotation or symmetry axis submerged in tanks or reservoirs}	B01D35/027	B01D35/027		562
B01D35/0276	10	{Filtering elements with a vertical rotation or symmetry axis mounted on tanks or reservoirs}	B01D35/027	B01D35/027		402
B01D35/04	9	Plug, tap, or cock filters {filtering elements mounted in or on a faucet}	B01D35/04	B01D35/04		2828
B01D35/043	10	{Reversible faucet filters}	B01D35/04	B01D35/04		246
B01D35/046	10	{the filtering element being mounted in the faucet plug}	B01D35/04	B01D35/04		633
B01D35/05	8	Floating filters	B01D35/05	B01D35/05		404
B01D35/06	8	Filters making use of electricity or magnetism (ultrafiltration, microfiltration B01D61/14; electrodialysis, electro-osmosis B01D61/42; devices comprising filters and magnetic separators B03C1/30)	B01D35/06	B01D35/06		2386
B01D35/10	8	Brush filters {; Rotary brush filters}	B01D35/10	B01D35/10		266
B01D35/12	8	Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration	B01D35/12	B01D35/12		2333
B01D35/14	8	Safety devices specially adapted for filtration (preventing or minimising fires or explosions A62C); Devices for indicating clogging (incorporated in a throw-away filter B01D27/10)	B01D35/14	B01D35/14		1718
B01D35/143	9	Filter condition indicators	B01D35/143	B01D35/143		2224
B01D35/1435	10	{with alarm means}	B01D35/143	B01D35/143		796
B01D35/147	9	Bypass or safety valves	B01D35/147	B01D35/147		2504
B01D35/1475	10	{Pressure relief valves or pressure control valves}	B01D35/147	B01D35/147		257
B01D35/15	9	Bidirectional working filters	B01D35/15	B01D35/15		86
B01D35/153	9	Anti-leakage or anti-return valves	B01D35/153	B01D35/153		2116
B01D35/157	9	Flow control valves: Damping or calibrated passages	B01D35/157	B01D35/157		494
B01D35/1573	10	{Flow control valves}	B01D35/157	B01D35/157		677
B01D35/1576	10	{Calibrated passages}	B01D35/157	B01D35/157		118
B01D35/16	8	Cleaning-out devices {, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid}	B01D35/16	B01D35/16		4992
B01D35/18	8	Heating or cooling the filters	B01D35/18	B01D35/18		2766
B01D35/185	9	{comprising a vaporizing unit}	B01D35/18	B01D35/18		212
B01D35/20	8	Vibrating the filters (regenerating filter material by vibrations in filters with stationary filtering elements B01D29/72; discharging the filter cake by vibrations in filters with moving filtering elements B01D33/54, B01D33/76)	B01D35/20	B01D35/20		568
B01D35/22	8	Directing the mixture to be filtered on to the filters in a manner to clean the filters {(B01D29/904 takes precedence)}	B01D35/22	B01D35/22		310
B01D35/24	8	Providing loose granular material to scratch the filters clean	B01D35/24	B01D35/24		19
B01D35/26	8	Filters with built-in pumps {filters provided with a pump mounted in or on the casing (aquarium pumps or filters A01K63/04)}	B01D35/26	B01D35/26		1157
B01D35/28	8	Strainers not provided for elsewhere	B01D35/28	B01D35/28		1120
B01D35/30	8	Filter housing constructions	B01D35/30	B01D35/30		6927
B01D35/301	9	{Constructions of two or more housings (B01D35/12 takes precedence)}	B01D35/30	B01D35/30		343
B01D35/303	10	{the housings being modular, e.g. standardised}	B01D35/30	B01D35/30		399
B01D35/305	9	{with features related to crash tests or crash safety measures}	B01D35/30	B01D35/30		19
B01D35/306	9	{Filter mounting adapter}	B01D35/30	B01D35/30		2122
B01D35/308	9	{Made of at least two different materials, e.g. metal and plastic}	B01D35/30	B01D35/30		81
B01D35/31	9	including arrangements for environmental protection, e.g. pressure resisting features	B01D35/31	B01D35/31		413
B01D35/32	10	against radiation	B01D35/32	B01D35/32		25
B01D35/34	9	open-topped (B01D35/31 takes precedence)	B01D35/34	B01D35/34		50
B01D36/00	7	Filter circuits or combinations of filters with other separating devices	B01D36/00	B01D36/00		3940
B01D36/001	8	{Filters in combination with devices for the removal of gas, air purge systems}	B01D36/00	B01D36/00		1748
B01D36/003	8	{Filters in combination with devices for the removal of liquids (B01D35/185 takes precedence)}	B01D36/00	B01D36/00		1384
B01D36/005	9	{Liquid level sensing means, e.g. for water in gasoil-filters}	B01D36/00	B01D36/00		282
B01D36/006	9	{Purge means}	B01D36/00	B01D36/00		623
B01D36/008	9	{Means to filter or treat the separated liquid}	B01D36/00	B01D36/00		377
B01D36/02	8	Combinations of filters of different kinds (B01D29/50, B01D33/35 take precedence)	B01D36/02	B01D36/02		5451
B01D36/04	8	Combinations of filters with settling tanks	B01D36/04	B01D36/04		5405
B01D36/045	9	{Combination of filters with centrifugal separation devices}	B01D36/04	B01D36/04		1467
B01D37/00	7	Processes of filtration (processes specially adapted for filtering gases B01D46/00)	B01D37/00	B01D37/00		1447
B01D37/02	8	Precoating the filter medium; Addition of filter aids to the liquid being filtered {(devices for feeding reagents C02F1/685 and sub-groups; filter aids)}	B01D37/02	B01D37/02		1846
B01D37/025	9	{additives incorporated in the filter}	B01D37/02	B01D37/02		386
B01D37/03	8	using flocculating agents	B01D37/03	B01D37/03		512
B01D37/04	8	Controlling the filtration<br><br><u>NOTE</u><br><br>If the construction of the filtering element is of minor importance, the documents are classified in this group only<br> Filters integrally combined with devices for controlling the filtration are also classified in the relevant groups for these aspects, e.g. B01D24/48, B01D29/60, B01D33/804	B01D37/04	B01D37/04		1235
B01D37/041	9	{by clearness or turbidity measuring}	B01D37/04	B01D37/04		103
B01D37/043	9	{by flow measuring}	B01D37/04	B01D37/04		231
B01D37/045	9	{by level measuring}	B01D37/04	B01D37/04		215
B01D37/046	9	{by pressure measuring}	B01D37/04	B01D37/04		378
B01D37/048	9	{by temperature measuring}	B01D37/04	B01D37/04		163
B01D39/00	7	Filtering material for liquid or gaseous fluids	B01D39/00	B01D39/00		1235
B01D39/02	8	Loose filtering material, e.g. loose fibres	B01D39/02	B01D39/02		737
B01D39/04	9	Organic material, e.g. cellulose, cotton	B01D39/04	B01D39/04		790
B01D39/06	9	Inorganic material, e.g. asbestos fibres, glass beads or fibres	B01D39/06	B01D39/06		1192
B01D39/08	8	Filter cloth, i.e. woven, knitted or interlaced material (metallic B01D39/10)	B01D39/08	B01D39/08		1103
B01D39/083	9	{of organic material}	B01D39/08	B01D39/08		1890
B01D39/086	9	{of inorganic material}	B01D39/08	B01D39/08		633
B01D39/10	8	Filter screens essentially made of metal	B01D39/10	B01D39/10		732
B01D39/12	9	of wire gauze; of knitted wire; of expanded metal	B01D39/12	B01D39/12		1006
B01D39/14	8	Other self-supporting filtering material {; Other filtering material (non-woven fabrics in general D04H3/00)}	B01D39/14	B01D39/14		3409
B01D39/16	9	of organic material, e.g. synthetic fibres	B01D39/16	B01D39/16		1735
B01D39/1607	10	{the material being fibrous (B01D39/18 takes precedence)}	B01D39/16	B01D39/16		598
B01D39/1615	11	{of natural origin}	B01D39/16	B01D39/16		591
B01D39/1623	11	{of synthetic origin}	B01D39/16	B01D39/16		4274
B01D39/163	12	{sintered or bonded}	B01D39/16	B01D39/16		1089
B01D39/1638	10	{the material being particulate}	B01D39/16	B01D39/16		29
B01D39/1646	11	{of natural origin, e.g. cork or peat}	B01D39/16	B01D39/16		44
B01D39/1653	11	{of synthetic origin}	B01D39/16	B01D39/16		94
B01D39/1661	12	{sintered or bonded}	B01D39/16	B01D39/16		282
B01D39/1669	10	{Cellular material}	B01D39/16	B01D39/16		100
B01D39/1676	11	{of synthetic origin}	B01D39/16	B01D39/16		505
B01D39/1692	10	{Other shaped material, e.g. perforated or porous sheets}	B01D39/16	B01D39/16		909
B01D39/18	10	the material being cellulose or derivatives thereof ({cork or peat B01D39/1646} ; making filter paper D21F11/14)	B01D39/18	B01D39/18		1593
B01D39/20	9	of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires (porous ceramic material {C04B38/00} ; sintering metals C22C1/04; {making porous sintered metal bodies B22F3/10, honeycomb filters B01D46/2418, materials used for filtering exhaust gases of an internal combustion engine F01N3/022, ceramic honeycomb structures C04B38/0006})	B01D39/20	B01D39/20		1019
B01D39/2003	10	{Glass or glassy material}	B01D39/20	B01D39/20		119
B01D39/2006	11	{the material being particulate}	B01D39/20	B01D39/20		39
B01D39/201	12	{sintered or bonded by inorganic agents}	B01D39/20	B01D39/20		64
B01D39/2013	12	{otherwise bonded, e.g. by resins}	B01D39/20	B01D39/20		44
B01D39/2017	11	{the material being filamentary or fibrous}	B01D39/20	B01D39/20		838
B01D39/202	12	{sintered or bonded by inorganic agents}	B01D39/20	B01D39/20		71
B01D39/2024	12	{otherwise bonded, e.g. by resins}	B01D39/20	B01D39/20		301
B01D39/2027	10	{Metallic material}	B01D39/20	B01D39/20		605
B01D39/2031	11	{the material being particulate}	B01D39/20	B01D39/20		113
B01D39/2034	12	{sintered or bonded by inorganic agents}	B01D39/20	B01D39/20		348
B01D39/2037	12	{otherwise bonded}	B01D39/20	B01D39/20		58
B01D39/2041	11	{the material being filamentary or fibrous}	B01D39/20	B01D39/20		350
B01D39/2044	12	{sintered or bonded by inorganic agents}	B01D39/20	B01D39/20		216
B01D39/2048	12	{otherwise bonded}	B01D39/20	B01D39/20		44
B01D39/2051	11	{Metallic foam}	B01D39/20	B01D39/20		232
B01D39/2055	10	{Carbonaceous material (solid sorbent compositions comprising free carbon B01J20/20)}	B01D39/20	B01D39/20		1178
B01D39/2058	11	{the material being particulate}	B01D39/20	B01D39/20		377
B01D39/2062	12	{Bonded, e.g. activated carbon blocks}	B01D39/20	B01D39/20		826
B01D39/2065	11	{the material being fibrous}	B01D39/20	B01D39/20		516
B01D39/2068	10	{Other inorganic materials, e.g. ceramics}	B01D39/20	B01D39/20		1473
B01D39/2072	11	{the material being particulate or granular}	B01D39/20	B01D39/20		330
B01D39/2075	12	{sintered or bonded by inorganic agents}	B01D39/20	B01D39/20		610
B01D39/2079	12	{otherwise bonded, e.g. by resins}	B01D39/20	B01D39/20		241
B01D39/2082	11	{the material being filamentary or fibrous}	B01D39/20	B01D39/20		354
B01D39/2086	12	{sintered or bonded by inorganic agents}	B01D39/20	B01D39/20		171
B01D39/2089	12	{otherwise bonded, e.g. by resins}	B01D39/20	B01D39/20		130
B01D39/2093	11	{Ceramic foam}	B01D39/20	B01D39/20		559
B01D41/00	7	Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids	B01D41/00	B01D41/00		379
B01D41/02	8	of loose filtering material	B01D41/02	B01D41/02		209
B01D41/04	8	of rigid self-supporting filtering material	B01D41/04	B01D41/04		1316
B01D43/00	7	Separating particles from liquids, or liquids from solids, otherwise than by sedimentation or filtration (flotation processes B03D1/00; drying solid materials or objects F26B)	B01D43/00	B01D43/00		693
B01D45/00	7	Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces	B01D45/00	B01D45/00		254
B01D45/02	8	by utilising gravity	B01D45/02	B01D45/02		1779
B01D45/04	8	by utilising inertia (B01D45/12 takes precedence)	B01D45/04	B01D45/04		731
B01D45/06	9	by reversal of direction of flow	B01D45/06	B01D45/06		1190
B01D45/08	9	by impingement against baffle separators	B01D45/08	B01D45/08		4688
B01D45/10	10	which are wetted	B01D45/10	B01D45/10		546
B01D45/12	8	by centrifugal forces (centrifuges B04B; cyclones B04C)	B01D45/12	B01D45/12		3751
B01D45/14	9	generated by rotating vanes, discs, drums or brushes	B01D45/14	B01D45/14		2448
B01D45/16	9	generated by the winding course of the gas stream {, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes}	B01D45/16	B01D45/16		4203
B01D45/18	8	Cleaning-out devices	B01D45/18	B01D45/18		922
B01D46/00	7	Filters or filtering processes specially modified for separating dispersed particles from gases or vapours (filtering elements B01D24/00-B01D35/00; filtering material B01D39/00; their regeneration outside the filters B01D41/00)	B01D46/00	B01D46/00		6012
B01D46/0001	8	{Making filtering elements}	B01D46/00	B01D46/00		3105
B01D46/0002	8	{Casings; Housings; Frame constructions}	B01D46/00	B01D46/00		2685
B01D46/0004	9	{Details of removable closures, lids, caps or filter heads}	B01D46/00	B01D46/00		1412
B01D46/0005	9	{Mounting of filtering elements within casings, housings or frames (B01D46/2422 takes precedence)}	B01D46/00	B01D46/00		5927
B01D46/0006	10	{Filter elements or cartridges installed in a drawer-like manner}	B01D46/00	B01D46/00		800
B01D46/0008	10	{Two or more filter elements not fluidly connected positioned in the same housing}	B01D46/00	B01D46/00		662
B01D46/0009	10	{Tray-like arrangements of filters in a vessel}	B01D46/00	B01D46/00		98
B01D46/001	9	{Means for connecting filter housings to supports}	B01D46/00	B01D46/00		324
B01D46/0012	9	{In-line filters}	B01D46/00	B01D46/00		858
B01D46/0013	9	{Modules}	B01D46/00	B01D46/00		519
B01D46/0015	9	{Throw-away type filters}	B01D46/00	B01D46/00		102
B01D46/0016	9	{Folded frame or housing constructions}	B01D46/00	B01D46/00		246
B01D46/0017	9	{Filter elements installed in a branch of a pipe, e.g. with an y-shaped tubular housing}	B01D46/00	B01D46/00		57
B01D46/0027	8	{with additional separating or treating functions}	B01D46/00	B01D46/00		1753
B01D46/0028	9	{provided with antibacterial or antifungal means}	B01D46/00	B01D46/00		2502
B01D46/003	9	{including coalescing means for the separation of liquid}	B01D46/00	B01D46/00		629
B01D46/0031	10	{with collecting, draining means}	B01D46/00	B01D46/00		933
B01D46/0032	9	{using electrostatic forces to remove particles, e.g. electret filters}	B01D46/00	B01D46/00		1214
B01D46/0034	9	{using magnetic forces to remove particles}	B01D46/00	B01D46/00		157
B01D46/0035	9	{by wetting, e.g. using surfaces covered with oil}	B01D46/00	B01D46/00		780
B01D46/0036	9	{by adsorption or absorption}	B01D46/00	B01D46/00		5219
B01D46/0038	9	{with means for influencing the odor, e.g. deodorizing substances}	B01D46/00	B01D46/00		1361
B01D46/0039	8	{with flow guiding by feed or discharge devices}	B01D46/00	B01D46/00		947
B01D46/0041	9	{for feeding}	B01D46/00	B01D46/00		1674
B01D46/0042	10	{Use of the inlet flow in order to clean the filter surface}	B01D46/00	B01D46/00		54
B01D46/0043	10	{containing fixed gas displacement elements or cores}	B01D46/00	B01D46/00		568
B01D46/0045	10	{by using vanes}	B01D46/00	B01D46/00		734
B01D46/0046	10	{provoking a tangential stream (B01D46/0045 takes precedence)}	B01D46/00	B01D46/00		298
B01D46/0047	9	{for discharging the filtered gas}	B01D46/00	B01D46/00		717
B01D46/0049	10	{containing fixed gas displacement elements or cores}	B01D46/00	B01D46/00		313
B01D46/005	9	{Crossflow filtration, i.e. having an inlet and two outlets}	B01D46/00	B01D46/00		73
B01D46/0052	8	{with filtering elements moving during filtering operation (B01D46/22, B01D46/32 take precedence)}	B01D46/00	B01D46/00		120
B01D46/0053	9	{with vibrating filtering elements}	B01D46/00	B01D46/00		194
B01D46/0054	9	{with translational movement}	B01D46/00	B01D46/00		164
B01D46/0056	9	{with rotational movement}	B01D46/00	B01D46/00		937
B01D46/0084	8	{provided with safety means}	B01D46/00	B01D46/00		500
B01D46/0086	9	{Filter condition indicators}	B01D46/00	B01D46/00		2109
B01D46/0087	9	{Bypass or safety valves}	B01D46/00	B01D46/00		251
B01D46/0089	9	{Anti-return means}	B01D46/00	B01D46/00		101
B01D46/009	9	{Identification of filter type or position thereof, e.g. by transponders or bar codes}	B01D46/00	B01D46/00		230
B01D46/0091	9	{Including arrangements for environmental or personal protection}	B01D46/00	B01D46/00		307
B01D46/0093	10	{against fire or explosion}	B01D46/00	B01D46/00		474
B01D46/0094	10	{against radiation}	B01D46/00	B01D46/00		84
B01D46/0095	9	{Means acting upon failure of the filtering system, e.g. in case of damage of the filter elements; Failsafes}	B01D46/00	B01D46/00		245
B01D46/0097	9	{Special means for preventing bypass around the filter, i.e. in addition to usual seals}	B01D46/00	B01D46/00		144
B01D46/0098	9	{Protecting coverages on the filter which is removed before the filter is used, protection of filter, packaging}	B01D46/00	B01D46/00		111
B01D46/02	8	Particle separators, e.g. dust precipitators, having hollow filters made of flexible material	B01D46/02	B01D46/02		5102
B01D46/023	9	{Pockets filters, i.e. multiple bag filters mounted on a common frame}	B01D46/02	B01D46/02		4994
B01D46/026	9	{Means for maintaining a space between filters, e.g. avoiding contact between adjacent filters}	B01D46/02	B01D46/02		82
B01D46/04	9	Cleaning filters	B01D46/04	B01D46/04		5705
B01D46/06	9	with means keeping the working surfaces flat	B01D46/06	B01D46/06		1270
B01D46/08	10	the working surfaces forming a star shape	B01D46/08	B01D46/08		85
B01D46/10	8	Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces	B01D46/10	B01D46/10		23541
B01D46/103	9	{Curved filtering elements}	B01D46/10	B01D46/10		716
B01D46/106	9	{Ring-shaped filtering elements}	B01D46/10	B01D46/10		364
B01D46/12	9	in multiple arrangements	B01D46/12	B01D46/12		10460
B01D46/121	10	V-type arrangements	B01D46/121	B01D46/121		599
B01D46/14	9	arranged in a star shape	B01D46/14	B01D46/14		55
B01D46/16	9	arranged on non-filtering conveyors {or supports}	B01D46/16	B01D46/16		148
B01D46/18	8	Particle separators, e.g. dust precipitators, using filtering belts	B01D46/18	B01D46/18		612
B01D46/185	9	{Construction of filtering belts or supporting belts including devices for centering, mounting or sealing thereof}	B01D46/18	B01D46/18		87
B01D46/20	9	the belts combined with drums	B01D46/20	B01D46/20		219
B01D46/22	9	the belts travelling during filtering	B01D46/22	B01D46/22		265
B01D46/24	8	Particle separators, e.g. dust precipitators, using rigid hollow filter bodies	B01D46/24	B01D46/24		2455
B01D46/2403	9	{characterised by the physical shape or structure of the filtering element}	B01D46/24	B01D46/24		1324
B01D46/2407	10	{Filter candles}	B01D46/24	B01D46/24		817
B01D46/2411	10	{Filter cartridges}	B01D46/24	B01D46/24		5955
B01D46/2414	11	{End caps including additional functions or special forms}	B01D46/24	B01D46/24		988
B01D46/2418	10	{Honeycomb filters (used for filtering exhaust gases of an internal combustion engine F01N3/022; ceramic honeycomb structures per seC04B38/0006)}	B01D46/24	B01D46/24		840
B01D46/2422	11	{Mounting of the body within a housing}	B01D46/24	B01D46/24		173
B01D46/2425	11	{characterized by parameters related to the physical properties of the honeycomb structure material}	B01D46/24	B01D46/24		181
B01D46/2429	12	{of the honeycomb walls or cells}	B01D46/24	B01D46/24		677
B01D46/244	12	{of the plugs}	B01D46/24	B01D46/24		57
B01D46/2444	12	{of the outer peripheral sealing}	B01D46/24	B01D46/24		49
B01D46/2448	12	{of the adhesive layers, i.e. joints between segments}	B01D46/24	B01D46/24		63
B01D46/24491	12	{Porosity}	B01D46/24	B01D46/24		498
B01D46/24492	12	{Pore diameter}	B01D46/24	B01D46/24		423
B01D46/24493	12	{Modulus of rupture}	B01D46/24	B01D46/24		42
B01D46/24494	12	{Thermal expansion coefficient, heat capacity or thermal conductivity}	B01D46/24	B01D46/24		196
B01D46/24495	12	{Young&apos;s modulus}	B01D46/24	B01D46/24		54
B01D46/2451	11	{characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure}	B01D46/24	B01D46/24		125
B01D46/2455	12	{of the whole honeycomb or segments}	B01D46/24	B01D46/24		390
B01D46/2459	12	{of the plugs}	B01D46/24	B01D46/24		164
B01D46/2462	12	{the outer peripheral sealing}	B01D46/24	B01D46/24		80
B01D46/2466	12	{of the adhesive layers, i.e. joints between segments}	B01D46/24	B01D46/24		99
B01D46/247	12	{of the cells}	B01D46/24	B01D46/24		521
B01D46/2474	12	{of the walls along the length of the honeycomb}	B01D46/24	B01D46/24		538
B01D46/2476	12	{Monolithic structures}	B01D46/24	B01D46/24		241
B01D46/2478	12	{Structures comprising honeycomb segments}	B01D46/24	B01D46/24		343
B01D46/248	12	{Structures comprising laminated bodies or discs}	B01D46/24	B01D46/24		33
B01D46/2482	12	{Thickness, height, width, length or diameter}	B01D46/24	B01D46/24		781
B01D46/2484	12	{Cell density, area or aspect ratio}	B01D46/24	B01D46/24		531
B01D46/2486	12	{characterised by the shapes or configurations}	B01D46/24	B01D46/24		329
B01D46/2488	13	{Triangular}	B01D46/24	B01D46/24		80
B01D46/249	13	{Quadrangular e.g. square or diamond}	B01D46/24	B01D46/24		291
B01D46/2492	13	{Hexagonal}	B01D46/24	B01D46/24		110
B01D46/2494	13	{Octagonal}	B01D46/24	B01D46/24		86
B01D46/2496	13	{Circular}	B01D46/24	B01D46/24		94
B01D46/2498	11	{The honeycomb filter being defined by mathematical relationships}	B01D46/24	B01D46/24		492
B01D46/26	9	rotatable	B01D46/26	B01D46/26		1157
B01D46/28	8	Particle separators, e.g. dust precipitators, using filter brushes	B01D46/28	B01D46/28		164
B01D46/30	8	Particle separators, e.g. dust precipitators, using loose filtering material	B01D46/30	B01D46/30		3899
B01D46/32	9	the material moving during filtering	B01D46/32	B01D46/32		292
B01D46/34	10	not horizontally, e.g. using shoots	B01D46/34	B01D46/34		148
B01D46/36	10	as a substantially horizontal layer, e.g. on rotary tables, drums, conveyor belts	B01D46/36	B01D46/36		50
B01D46/38	10	as fluidised bed	B01D46/38	B01D46/38		88
B01D46/40	8	Particle separators, e.g. dust precipitators, using edge filters, i.e. using contiguous impervious surfaces	B01D46/40	B01D46/40		130
B01D46/403	9	{of helically or spirally wound bodies}	B01D46/40	B01D46/40		72
B01D46/406	9	{of stacked bodies}	B01D46/40	B01D46/40		37
B01D46/42	8	Auxiliary equipment or operation thereof	B01D46/42	B01D46/42		5037
B01D46/4209	9	{Prevention of static charge, e.g. by grounding}	B01D46/42	B01D46/42		133
B01D46/4218	9	{Influencing the heat transfer which act passively, e.g. isolations, heat sinks, cooling ribs}	B01D46/42	B01D46/42		385
B01D46/4227	9	{Manipulating filters or filter elements, e.g. handles or extracting tools}	B01D46/42	B01D46/42		2442
B01D46/4236	9	{Reducing noise or vibration emissions}	B01D46/42	B01D46/42		667
B01D46/4245	9	{Means for power supply or devices using electrical power in filters or filter elements}	B01D46/42	B01D46/42		473
B01D46/4254	9	{Allowing or improving visual supervision, e.g. lamps, transparent parts, windows}	B01D46/42	B01D46/42		538
B01D46/4263	9	{Means for active heating or cooling}	B01D46/42	B01D46/42		1144
B01D46/4272	9	{Special valve constructions adapted to filters or filter elements}	B01D46/42	B01D46/42		1025
B01D46/4281	9	{Venturi&apos;s or systems showing a venturi effect}	B01D46/42	B01D46/42		336
B01D46/429	9	{Means for wireless communication}	B01D46/42	B01D46/42		408
B01D46/44	9	controlling filtration	B01D46/44	B01D46/44		2133
B01D46/442	10	{by measuring the concentration of particles}	B01D46/44	B01D46/44		1108
B01D46/444	10	{by flow measuring}	B01D46/44	B01D46/44		481
B01D46/446	10	{by pressure measuring}	B01D46/44	B01D46/44		1636
B01D46/448	10	{by temperature measuring}	B01D46/44	B01D46/44		551
B01D46/46	10	automatic	B01D46/46	B01D46/46		1586
B01D46/48	9	Removing dust other than cleaning filters {, e.g. by using collecting trays}	B01D46/48	B01D46/48		4168
B01D46/50	9	Means for discharging electrostatic potential	B01D46/50	B01D46/50		241
B01D46/52	8	Particle separators, e.g. dust precipitators, using filters embodying folded {corrugated or wound sheet} material	B01D46/52	B01D46/52		778
B01D46/521	9	{using folded, pleated material}	B01D46/52	B01D46/52		4156
B01D46/522	10	{with specific folds, e.g. having different lengths}	B01D46/52	B01D46/52		540
B01D46/523	10	{with means for maintaining spacing between the pleats or folds}	B01D46/52	B01D46/52		886
B01D46/525	10	{which comprises flutes}	B01D46/52	B01D46/52		426
B01D46/526	11	{in stacked arrangement}	B01D46/52	B01D46/52		137
B01D46/527	11	{in wound arrangement}	B01D46/52	B01D46/52		297
B01D46/528	9	{using wound sheets (B01D46/527 takes precedence)}	B01D46/52	B01D46/52		197
B01D46/54	8	Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms	B01D46/54	B01D46/54		305
B01D46/543	9	{using membranes}	B01D46/54	B01D46/54		1763
B01D46/546	9	{using nano- or microfibres}	B01D46/54	B01D46/54		261
B01D46/56	8	with multiple filtering elements, characterised by their mutual disposition (B01D46/12 takes precedence)	B01D46/56	B01D46/56		2221
B01D46/58	9	connected in parallel	B01D46/58	B01D46/58		2388
B01D46/60	10	arranged concentrically or coaxially	B01D46/60	B01D46/60		607
B01D46/62	9	connected in series	B01D46/62	B01D46/62		4678
B01D46/64	10	arranged concentrically or coaxially	B01D46/64	B01D46/64		2266
B01D46/645	10	{Protecting screens at filter inlet or outlet}	B01D46/62	B01D46/64		195
B01D46/66	8	Regeneration of the filtering material or filter elements inside the filter (B01D46/04, B01D46/48 take precedence)	B01D46/66	B01D46/66		1239
B01D46/68	9	by means acting on the cake side involving movement with regard to the filter elements<br><br><u>NOTE</u><br><br>Groups B01D46/68 - B01D46/78 are only for dry processes.	B01D46/68	B01D46/68		240
B01D46/681	10	by scrapers, brushes or the like	B01D46/681	B01D46/681		8781
B01D46/682	10	by nozzles	B01D46/682	B01D46/682		314
B01D46/69	9	by means acting on the cake side without movement with respect to the filter elements, e.g. fixed nozzles	B01D46/69	B01D46/69		388
B01D46/70	9	by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter	B01D46/70	B01D46/70		1363
B01D46/71	10	with pressurised gas, e.g. pulsed air	B01D46/71	B01D46/71		3409
B01D46/715	11	{Using pressurized gas at supersonic velocities}	B01D46/71	B01D46/71		35
B01D46/72	10	with backwash arms, shoes or nozzles	B01D46/72	B01D46/72		1768
B01D46/74	9	by forces created by movement of the filter element	B01D46/74	B01D46/74		380
B01D46/76	10	involving vibrations	B01D46/76	B01D46/76		4005
B01D46/762	11	involving sonic or ultrasonic waves	B01D46/762	B01D46/762		154
B01D46/78	10	involving centrifugal forces	B01D46/78	B01D46/78		227
B01D46/785	9	{by electrical means, e.g. for the generation of electrostatic forces in order to reject particles}	B01D46/66	B01D46/78		99
B01D46/79	9	by liquid process	B01D46/79	B01D46/79		1138
B01D46/80	9	Chemical processes for the removal of the retained particles, e.g. by burning	B01D46/80	B01D46/80		128
B01D46/82	10	with catalysts	B01D46/82	B01D46/82		117
B01D46/84	10	by heating only	B01D46/84	B01D46/84		452
B01D46/86	9	Cleaning the filter surface by interrupting suction so that the filter cake falls by gravity	B01D46/86	B01D46/86		52
B01D46/88	8	Replacing filter elements	B01D46/88	B01D46/88		4655
B01D46/90	8	Devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration or maintenance	B01D46/90	B01D46/90		898
B01D47/00	7	Separating dispersed particles from gases, air or vapours by liquid as separating agent (B01D45/10 takes precedence; fractionating columns or parts thereof B01D3/16)	B01D47/00	B01D47/00		1875
B01D47/02	8	by passing the gas or air or vapour over or through a liquid bath	B01D47/02	B01D47/02		3275
B01D47/021	9	{by bubbling the gas through a liquid bath}	B01D47/02	B01D47/02		1789
B01D47/022	9	{by using a liquid curtain (B01D47/06 takes precedence)}	B01D47/02	B01D47/02		665
B01D47/024	9	{by impinging the gas to be cleaned essentially in a perpendicular direction onto the liquid surface}	B01D47/02	B01D47/02		281
B01D47/025	9	{by contacting gas and liquid with a static flow mixer (B01D47/14 takes precedence)}	B01D47/02	B01D47/02		202
B01D47/027	9	{by directing the gas to be cleaned essentially tangential to the liquid surface}	B01D47/02	B01D47/02		314
B01D47/028	9	{by directing the gas through a wetted wire mesh or a perforated plate (B01D47/14 takes precedence)}	B01D47/02	B01D47/02		377
B01D47/04	8	by passing the gas or air or vapour through foam	B01D47/04	B01D47/04		278
B01D47/05	8	by condensation of the separating agent	B01D47/05	B01D47/05		230
B01D47/06	8	Spray cleaning	B01D47/06	B01D47/06		17424
B01D47/063	9	{with two or more jets impinging against each other}	B01D47/06	B01D47/06		1676
B01D47/066	9	{with nozzles using mechanical vibrations}	B01D47/06	B01D47/06		62
B01D47/08	9	with rotary nozzles	B01D47/08	B01D47/08		1311
B01D47/085	10	{with nozzles which are partly immersed in the washing fluid}	B01D47/08	B01D47/08		220
B01D47/10	8	Venturi scrubbers	B01D47/10	B01D47/10		1024
B01D47/12	8	Washers with plural different washing sections (B01D47/14 takes precedence)	B01D47/12	B01D47/12		1040
B01D47/14	8	Packed scrubbers (packing elements B01J19/30, B01J19/32)	B01D47/14	B01D47/14		965
B01D47/16	8	Apparatus having rotary means, other than rotatable nozzles, for atomising the cleaning liquid	B01D47/16	B01D47/16		816
B01D47/18	9	with horizontally-arranged shafts	B01D47/18	B01D47/18		143
B01D49/00	7	Separating dispersed particles from gases, air or vapours by other methods	B01D49/00	B01D49/00		1662
B01D49/003	8	{by sedimentation}	B01D49/00	B01D49/00		118
B01D49/006	8	{by sonic or ultrasonic techniques}	B01D49/00	B01D49/00		205
B01D49/02	8	by thermal repulsion	B01D49/02	B01D49/02		45
B01D50/00	7	Combinations of methods or devices for separating particles from gases or vapours<br><br><u>NOTE</u><br><br>Group B01D50/10 takes precedence over groups B01D50/20 - B01D50/60.	B01D50/00	B01D50/00		6283
B01D50/10	8	Combinations of devices covered by groups B01D45/00,&#160;B01D46/00 and B01D47/00	B01D50/10	B01D50/10		1065
B01D50/20	8	Combinations of devices covered by groups B01D45/00 and B01D46/00	B01D50/20	B01D50/20		5515
B01D50/40	8	Combinations of devices covered by groups B01D45/00 and B01D47/00	B01D50/40	B01D50/40		2032
B01D50/60	8	Combinations of devices covered by groups B01D46/00 and B01D47/00	B01D50/60	B01D50/60		7130
B01D51/00	7	Auxiliary pretreatment of gases or vapours to be cleaned (preventing dust fires A62C; pretreatment specially adapted for magnetic or electrostatic separation B03C)	B01D51/00	B01D51/00		193
B01D51/02	8	Amassing the particles, e.g. by flocculation {(amassing by electric fields B03C3/0175)}	B01D51/02	B01D51/02		361
B01D51/04	9	by seeding, e.g. by adding particles	B01D51/04	B01D51/04		103
B01D51/06	9	by varying the pressure of the gas or vapour	B01D51/06	B01D51/06		25
B01D51/08	10	by sound or ultrasound	B01D51/08	B01D51/08		138
B01D51/10	8	Conditioning the gas to be cleaned	B01D51/10	B01D51/10		616
B01D53/00	7	Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols, (recovery of volatile solvents by condensation B01D5/00; sublimation B01D7/00; cold traps, cold baffles B01D8/00; working-up undefined gaseous mixtures obtained by cracking hydrocarbon oils C10G70/00; cleaning coal gas C10K; working-up of natural gas, or synthetic natural gas, C10L3/10; separation of difficult-to-condense gases or air by liquefaction F25J; for investigating materials G01N30/00)<br><br><u>NOTE</u><br><br> Group B01D53/34 takes precedence over groups B01D53/02&#160;-&#160;B01D53/32	B01D53/00	B01D53/00		3621
B01D53/002	8	{by condensation}	B01D53/00	B01D53/00		7731
B01D53/005	8	{by heat treatment}	B01D53/00	B01D53/00		2233
B01D53/007	8	{by irradiation}	B01D53/00	B01D53/00		3892
B01D53/02	8	by adsorption, e.g. preparative gas chromatography {(solid sorbent compositions B01J20/00, preparation of inorganic compounds or elements C01)}<br><br><u>NOTE</u><br><br> In group B01D53/02 and subgroups it is desirable to add indexing codes relating to adsorbents, components to be removed, main components in the product gas stream or type of gas or vapour treatment chosen from groups B01D2253/00, B01D2256/00, B01D2257/00 or B01D2259/00	B01D53/02	B01D53/02		17274
B01D53/025	9	{with wetted adsorbents; Chromatography (analytical chromatography G01N30/00 - G01N30/96; for liquids B01D15/08)}	B01D53/02	B01D53/02		530
B01D53/04	9	with stationary adsorbents {(B01D53/025 takes precedence)}<br><br><u>NOTE</u><br><br>In groups B01D53/0462 and B01D53/047 - B01D53/0476 it is desirable to add indexing codes chosen from B01D2259/40007 - B01D2259/40081 relating to controlling and processing aspects of pressure or temperature swing adsorption	B01D53/04	B01D53/04		16086
B01D53/0407	10	{Constructional details of adsorbing systems}	B01D53/04	B01D53/04		5479
B01D53/0415	11	{Beds in cartridges}	B01D53/04	B01D53/04		1744
B01D53/0423	11	{Beds in columns}	B01D53/04	B01D53/04		1069
B01D53/0431	11	{Beds with radial gas flow}	B01D53/04	B01D53/04		495
B01D53/0438	11	{Cooling or heating systems}	B01D53/04	B01D53/04		2192
B01D53/0446	11	{Means for feeding or distributing gases}	B01D53/04	B01D53/04		2861
B01D53/0454	10	{Controlling adsorption (controlling temperature swing adsorption B01D53/0462, controlling pressure swing adsorption B01D53/047)}	B01D53/04	B01D53/04		2306
B01D53/0462	10	{Temperature swing adsorption}	B01D53/04	B01D53/04		2030
B01D53/047	10	Pressure swing adsorption	B01D53/047	B01D53/047		4691
B01D53/0473	11	{Rapid pressure swing adsorption}	B01D53/047	B01D53/047		282
B01D53/0476	11	{Vacuum pressure swing adsorption}	B01D53/047	B01D53/047		1164
B01D53/053	11	with storage or buffer vessel	B01D53/053	B01D53/053		759
B01D53/06	9	with moving adsorbents, e.g. rotating beds {(B01D53/025 takes precedence)}	B01D53/06	B01D53/06		3115
B01D53/08	10	according to the "moving bed" method	B01D53/08	B01D53/08		794
B01D53/10	10	with dispersed adsorbents	B01D53/10	B01D53/10		709
B01D53/12	11	according to the "fluidised technique"	B01D53/12	B01D53/12		573
B01D53/14	8	by absorption	B01D53/14	B01D53/14		3654
B01D53/1406	9	{Multiple stage absorption}	B01D53/14	B01D53/14		1882
B01D53/1412	9	{Controlling the absorption process}	B01D53/14	B01D53/14		1377
B01D53/1418	9	{Recovery of products}	B01D53/14	B01D53/14		1723
B01D53/1425	9	{Regeneration of liquid absorbents}	B01D53/14	B01D53/14		4594
B01D53/1431	9	{Pretreatment by other processes}	B01D53/14	B01D53/14		323
B01D53/1437	10	{Pretreatment by adsorption}	B01D53/14	B01D53/14		130
B01D53/1443	10	{Pretreatment by diffusion}	B01D53/14	B01D53/14		60
B01D53/145	10	{Pretreatment by separation of solid or liquid material}	B01D53/14	B01D53/14		224
B01D53/1456	9	{Removing acid components}	B01D53/14	B01D53/14		2553
B01D53/1462	10	{Removing mixtures of hydrogen sulfide and carbon dioxide}	B01D53/14	B01D53/14		864
B01D53/1468	10	{Removing hydrogen sulfide}	B01D53/14	B01D53/14		1360
B01D53/1475	10	{Removing carbon dioxide}	B01D53/14	B01D53/14		5080
B01D53/1481	10	{Removing sulfur dioxide or sulfur trioxide}	B01D53/14	B01D53/14		1619
B01D53/1487	9	{Removing organic compounds}	B01D53/14	B01D53/14		2886
B01D53/1493	9	{Selection of liquid materials for use as absorbents}<br><br><u>NOTE</u><br><br>In B01D53/1493 it is desirable to add indexing codes for compositional aspects of absorbents. The codes are chosen from B01D2252/00 - B01D2252/61.	B01D53/14	B01D53/14		5636
B01D53/18	9	Absorbing units; Liquid distributors therefor (B01D3/16, B01D3/26, B01D3/30 take precedence; packing elements B01J19/30, B01J19/32)	B01D53/18	B01D53/18		11203
B01D53/185	10	{Liquid distributors}	B01D53/18	B01D53/18		2053
B01D53/22	8	by diffusion (manufacturing semi-permeable membranes B01D67/00; form, structure or properties of semi-permeable membranes B01D69/00; material for semi-permeable membranes B01D71/00)	B01D53/22	B01D53/22		3549
B01D2053/221	9	{Devices}	B01D53/22	B01D53/22		556
B01D2053/222	10	{with plates}	B01D53/22	B01D53/22		79
B01D2053/223	10	{with hollow tubes}	B01D53/22	B01D53/22		122
B01D2053/224	11	{with hollow fibres}	B01D53/22	B01D53/22		355
B01D53/225	9	{Multiple stage diffusion}	B01D53/22	B01D53/22		205
B01D53/226	10	{in serial connexion}	B01D53/22	B01D53/22		708
B01D53/227	10	{in parallel connexion}	B01D53/22	B01D53/22		164
B01D53/228	9	{characterised by specific membranes}	B01D53/22	B01D53/22		5831
B01D53/229	9	{Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)}	B01D53/22	B01D53/22		1849
B01D53/24	8	by centrifugal force (centrifuges B04B; cyclones B04C)	B01D53/24	B01D53/24		902
B01D53/26	8	Drying gases or vapours	B01D53/26	B01D53/26		8683
B01D53/261	9	{by adsorption}	B01D53/26	B01D53/26		8578
B01D53/263	9	{by absorption}	B01D53/26	B01D53/26		2001
B01D53/265	9	{by refrigeration (condensation)}	B01D53/26	B01D53/26		4509
B01D53/266	9	{by filtration}	B01D53/26	B01D53/26		1281
B01D53/268	9	{by diffusion}	B01D53/26	B01D53/26		938
B01D53/28	9	Selection of materials for use as drying agents	B01D53/28	B01D53/28		2438
B01D53/30	8	Controlling by gas-analysis apparatus (regulating non electrical variables in general G05D)	B01D53/30	B01D53/30		3034
B01D53/32	8	by electrical effects other than those provided for in group B01D61/00	B01D53/32	B01D53/32		4078
B01D53/323	9	{by electrostatic effects or by high-voltage electric fields}	B01D53/32	B01D53/32		1564
B01D53/326	9	{in electrochemical cells}	B01D53/32	B01D53/32		1198
B01D53/34	8	Chemical or biological purification of waste gases	B01D53/34	B01D53/34		2432
B01D53/343	9	{Heat recovery}	B01D53/34	B01D53/34		1100
B01D53/346	9	{Controlling the process}	B01D53/34	B01D53/34		2365
B01D53/38	9	Removing components of undefined structure	B01D53/38	B01D53/38		703
B01D53/40	10	Acidic components (B01D53/44 takes precedence)	B01D53/40	B01D53/40		2323
B01D53/42	10	Basic components (B01D53/44 takes precedence)	B01D53/42	B01D53/42		343
B01D53/44	10	Organic components	B01D53/44	B01D53/44		2139
B01D53/46	9	Removing components of defined structure	B01D53/46	B01D53/46		937
B01D53/48	10	Sulfur compounds	B01D53/48	B01D53/48		3663
B01D53/485	11	{containing only one sulfur compound other than sulfur oxides or hydrogen sulfide}	B01D53/48	B01D53/48		455
B01D53/50	11	Sulfur oxides (B01D53/60 takes precedence)	B01D53/50	B01D53/50		3575
B01D53/501	12	{by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound}	B01D53/50	B01D53/50		2209
B01D53/502	13	{characterised by a specific solution or suspension}	B01D53/50	B01D53/50		2449
B01D53/504	13	{characterised by a specific device}	B01D53/50	B01D53/50		2008
B01D53/505	13	{in a spray drying process}	B01D53/50	B01D53/50		128
B01D53/507	12	{by treating the gases with other liquids}	B01D53/50	B01D53/50		1175
B01D53/508	12	{by treating the gases with solids}	B01D53/50	B01D53/50		2338
B01D53/52	11	Hydrogen sulfide	B01D53/52	B01D53/52		3871
B01D53/523	12	{Mixtures of hydrogen sulfide and sulfur oxides}	B01D53/52	B01D53/52		423
B01D53/526	12	{Mixtures of hydrogen sulfide and carbon dioxide}	B01D53/52	B01D53/52		542
B01D53/54	10	Nitrogen compounds	B01D53/54	B01D53/54		819
B01D53/56	11	Nitrogen oxides (B01D53/60 takes precedence)	B01D53/56	B01D53/56		6556
B01D53/565	12	{by treating the gases with solids}	B01D53/56	B01D53/56		534
B01D53/58	11	Ammonia	B01D53/58	B01D53/58		2463
B01D53/60	10	Simultaneously removing sulfur oxides and nitrogen oxides	B01D53/60	B01D53/60		2846
B01D53/62	10	Carbon oxides	B01D53/62	B01D53/62		8391
B01D53/64	10	Heavy metals or compounds thereof, e.g. mercury	B01D53/64	B01D53/64		1931
B01D53/66	10	Ozone	B01D53/66	B01D53/66		438
B01D53/68	10	Halogens or halogen compounds	B01D53/68	B01D53/68		2918
B01D53/685	11	{by treating the gases with solids}	B01D53/68	B01D53/68		583
B01D53/70	11	Organic halogen compounds	B01D53/70	B01D53/70		1108
B01D53/72	10	Organic compounds not provided for in groups B01D53/48&#160;-&#160;B01D53/70, e.g. hydrocarbons	B01D53/72	B01D53/72		4350
B01D53/73	9	After-treatment of removed components	B01D53/73	B01D53/73		989
B01D53/74	9	General processes for purification of waste gases; Apparatus or devices specially adapted therefor (B01D53/92 takes precedence)	B01D53/74	B01D53/74		2377
B01D53/75	10	Multi-step processes	B01D53/75	B01D53/75		6527
B01D53/76	10	Gas phase processes, e.g. by using aerosols	B01D53/76	B01D53/76		2767
B01D53/77	10	Liquid phase processes	B01D53/77	B01D53/77		658
B01D53/78	11	with gas-liquid contact	B01D53/78	B01D53/78		19808
B01D53/79	11	Injecting reactants	B01D53/79	B01D53/79		3859
B01D53/80	10	Semi-solid phase processes, i.e. by using slurries	B01D53/80	B01D53/80		2870
B01D53/81	10	Solid phase processes	B01D53/81	B01D53/81		2158
B01D53/82	11	with stationary reactants	B01D53/82	B01D53/82		1718
B01D53/83	11	with moving reactants	B01D53/83	B01D53/83		1755
B01D53/84	10	Biological processes	B01D53/84	B01D53/84		4825
B01D53/85	11	with gas-solid contact	B01D53/85	B01D53/85		1415
B01D53/86	10	Catalytic processes	B01D53/86	B01D53/86		6139
B01D53/8603	11	{Removing sulfur compounds}	B01D53/86	B01D53/86		822
B01D53/8606	12	{only one sulfur compound other than sulfur oxides or hydrogen sulfide}	B01D53/86	B01D53/86		322
B01D53/8609	12	{Sulfur oxides}	B01D53/86	B01D53/86		1164
B01D53/8612	12	{Hydrogen sulfide}	B01D53/86	B01D53/86		984
B01D53/8615	13	{Mixtures of hydrogen sulfide and sulfur oxides}	B01D53/86	B01D53/86		157
B01D53/8618	13	{Mixtures of hydrogen sulfide and carbon dioxides}	B01D53/86	B01D53/86		30
B01D53/8621	11	{Removing nitrogen compounds}	B01D53/86	B01D53/86		411
B01D53/8625	12	{Nitrogen oxides}	B01D53/86	B01D53/86		2998
B01D53/8628	13	{Processes characterised by a specific catalyst}	B01D53/86	B01D53/86		5920
B01D53/8631	13	{Processes characterised by a specific device}	B01D53/86	B01D53/86		3108
B01D53/8634	12	{Ammonia}	B01D53/86	B01D53/86		822
B01D53/8637	11	{Simultaneously removing sulfur oxides and nitrogen oxides}	B01D53/86	B01D53/86		828
B01D53/864	11	{Removing carbon monoxide or hydrocarbons}	B01D53/86	B01D53/86		2237
B01D53/8643	11	{Removing mixtures of carbon monoxide or hydrocarbons and nitrogen oxides}	B01D53/86	B01D53/86		112
B01D53/8646	12	{Simultaneous elimination of the components (B01D53/8656 takes precedence)}	B01D53/86	B01D53/86		57
B01D53/865	13	{characterised by a specific catalyst}	B01D53/86	B01D53/86		259
B01D53/8653	13	{characterised by a specific device}	B01D53/86	B01D53/86		111
B01D53/8656	12	{Successive elimination of the components}	B01D53/86	B01D53/86		59
B01D53/8659	11	{Removing halogens or halogen compounds}	B01D53/86	B01D53/86		309
B01D53/8662	12	{Organic halogen compounds}	B01D53/86	B01D53/86		849
B01D53/8665	11	{Removing heavy metals or compounds thereof, e.g. mercury}	B01D53/86	B01D53/86		573
B01D53/8668	11	{Removing organic compounds not provided for in B01D53/8603&#160;-&#160;B01D53/8665}	B01D53/86	B01D53/86		5346
B01D53/8671	11	{Removing components of defined structure not provided for in B01D53/8603&#160;-&#160;B01D53/8668}	B01D53/86	B01D53/86		1290
B01D53/8675	12	{Ozone}	B01D53/86	B01D53/86		849
B01D53/8678	11	{Removing components of undefined structure}	B01D53/86	B01D53/86		357
B01D53/8681	12	{Acidic components (B01D53/8687 takes precedence)}	B01D53/86	B01D53/86		68
B01D53/8684	12	{Basic components (B01D53/8687 takes precedence)}	B01D53/86	B01D53/86		9
B01D53/8687	12	{Organic components}	B01D53/86	B01D53/86		3142
B01D53/869	11	{Multiple step processes}	B01D53/86	B01D53/86		598
B01D53/8693	11	{After-treatment of removed components}	B01D53/86	B01D53/86		65
B01D53/8696	11	{Controlling the catalytic process}	B01D53/86	B01D53/86		989
B01D53/88	11	Handling or mounting catalysts	B01D53/88	B01D53/88		1327
B01D53/885	12	{Devices in general for catalytic purification of waste gases}	B01D53/88	B01D53/88		2237
B01D53/90	11	Injecting reactants	B01D53/90	B01D53/90		3216
B01D53/92	9	of engine exhaust gases (exhaust {or silencing} apparatus {for internal combustion engines, machines or engines in general}, having means for purifying, {rendering innocuous} or otherwise treating exhaust gases F01N3/00)	B01D53/92	B01D53/92		1282
B01D53/922	10	{Mixtures of carbon monoxide or hydrocarbons and nitrogen oxides}	B01D53/92	B01D53/92		57
B01D53/925	11	{Simultaneous elimination of carbon monoxide or hydrocarbons and nitrogen oxides}	B01D53/92	B01D53/92		163
B01D53/927	11	{Successive elimination of carbon monoxide or hydrocarbons and nitrogen oxides}	B01D53/92	B01D53/92		33
B01D53/94	10	by catalytic processes	B01D53/94	B01D53/94		3138
B01D53/9404	11	{Removing only nitrogen compounds}	B01D53/94	B01D53/94		33
B01D53/9409	12	{Nitrogen oxides}	B01D53/94	B01D53/94		841
B01D53/9413	13	{Processes characterised by a specific catalyst}	B01D53/94	B01D53/94		951
B01D53/9418	14	{for removing nitrogen oxides by selective catalytic reduction [SCR] using a reducing agent in a lean exhaust gas}	B01D53/94	B01D53/94		2697
B01D53/9422	14	{for removing nitrogen oxides by NOx storage or reduction by cyclic switching between lean and rich exhaust gases (LNT, NSC, NSR)}	B01D53/94	B01D53/94		676
B01D53/9427	14	{for removing nitrous oxide}	B01D53/94	B01D53/94		98
B01D53/9431	13	{Processes characterised by a specific device}	B01D53/94	B01D53/94		1927
B01D53/9436	12	{Ammonia}	B01D53/94	B01D53/94		322
B01D53/944	11	{Simultaneously removing carbon monoxide, hydrocarbons or carbon making use of oxidation catalysts (three-way-catalysts [TWC] B01D53/9445)}	B01D53/94	B01D53/94		2605
B01D53/9445	11	{Simultaneously removing carbon monoxide, hydrocarbons or nitrogen oxides making use of three-way catalysts [TWC] or four-way-catalysts [FWC]}	B01D53/94	B01D53/94		372
B01D53/945	12	{characterised by a specific catalyst}	B01D53/94	B01D53/94		2777
B01D53/9454	12	{characterised by a specific device}	B01D53/94	B01D53/94		1137
B01D53/9459	11	{Removing one or more of nitrogen oxides, carbon monoxide, or hydrocarbons by multiple successive catalytic functions; systems with more than one different function, e.g. zone coated catalysts (layered catalysts with only one function B01D53/9413, B01D53/944 or B01D53/945)}	B01D53/94	B01D53/94		235
B01D53/9463	12	{with catalysts positioned on one brick}	B01D53/94	B01D53/94		43
B01D53/9468	13	{in different layers}	B01D53/94	B01D53/94		283
B01D53/9472	13	{in different zones}	B01D53/94	B01D53/94		352
B01D53/9477	12	{with catalysts positioned on separate bricks, e.g. exhaust systems}	B01D53/94	B01D53/94		1224
B01D53/9481	11	{Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start}	B01D53/94	B01D53/94		375
B01D53/9486	12	{for storing hydrocarbons}	B01D53/94	B01D53/94		117
B01D53/949	12	{for storing sulfur oxides}	B01D53/94	B01D53/94		66
B01D53/9495	11	{Controlling the catalytic process}	B01D53/94	B01D53/94		1863
B01D53/96	9	Regeneration, reactivation or recycling of reactants	B01D53/96	B01D53/96		4871
B01D53/965	10	{including an electrochemical process step}	B01D53/96	B01D53/96		318
B01D57/00	7	Separation, other than separation of solids, not fully covered by a single other group or subclass, e.g. B03C	B01D57/00	B01D57/00		105
B01D57/02	8	by electrophoresis (treatment of water, waste water, sewage or sludge by electrophoresis C02F1/469; electrophoretic production of compounds or non-metals C25B7/00; investigating or analysing materials by using electrophoresis G01N27/26)	B01D57/02	B01D57/02		1081
B01D59/00	7	Separation of different isotopes of the same chemical element (preventing occurrence of critical conditions when producing fissile material G21; shielding from radioactivity G21F)	B01D59/00	B01D59/00		180
B01D59/02	8	Separation by phase transition	B01D59/02	B01D59/02		48
B01D59/04	9	by distillation	B01D59/04	B01D59/04		211
B01D59/06	9	by fractional melting; by zone melting	B01D59/06	B01D59/06		5
B01D59/08	9	by fractional crystallisation, by precipitation, by zone freezing	B01D59/08	B01D59/08		31
B01D59/10	8	Separation by diffusion	B01D59/10	B01D59/10		76
B01D59/12	9	by diffusion through barriers	B01D59/12	B01D59/12		85
B01D59/14	10	Construction of the barrier	B01D59/14	B01D59/14		76
B01D59/16	9	by thermal diffusion	B01D59/16	B01D59/16		34
B01D59/18	9	by separation jets	B01D59/18	B01D59/18		93
B01D59/20	8	Separation by centrifuging	B01D59/20	B01D59/20		171
B01D59/22	8	Separation by extracting	B01D59/22	B01D59/22		30
B01D59/24	9	by solvent extraction	B01D59/24	B01D59/24		70
B01D59/26	9	by sorption, i.e. absorption, adsorption, persorption	B01D59/26	B01D59/26		254
B01D59/28	8	Separation by chemical exchange	B01D59/28	B01D59/28		75
B01D59/30	9	by ion exchange	B01D59/30	B01D59/30		119
B01D59/32	9	by exchange between fluids	B01D59/32	B01D59/32		161
B01D59/33	10	involving dual temperature exchange	B01D59/33	B01D59/33		9
B01D59/34	8	Separation by photochemical methods	B01D59/34	B01D59/34		378
B01D59/36	8	Separation by biological methods	B01D59/36	B01D59/36		8
B01D59/38	8	Separation by electrochemical methods (in general B01J)	B01D59/38	B01D59/38		45
B01D59/40	9	by electrolysis	B01D59/40	B01D59/40		68
B01D59/42	9	by electromigration; by electrophoresis	B01D59/42	B01D59/42		61
B01D59/44	8	Separation by mass spectrography (particle spectrometers or separator tubes H01J49/00)	B01D59/44	B01D59/44		218
B01D59/46	9	using only electrostatic fields	B01D59/46	B01D59/46		16
B01D59/48	9	using electrostatic and magnetic fields	B01D59/48	B01D59/48		116
B01D59/50	8	Separation involving two or more processes covered by different groups selected from groups B01D59/02, B01D59/10, B01D59/20, B01D59/22, B01D59/28, B01D59/34, B01D59/36, B01D59/38, B01D59/44	B01D59/50	B01D59/50		198
B01D61/00	7	Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor (separation of gases or vapours by diffusion B01D53/22)<br><br><u>NOTE</u><br><br>When classifying in this group, the indexing codes of the following groups must be added if applicable: <br>B01D2311/00 for details related to process operations and control; <br>B01D2313/00 for details related to membrane modules or apparatus;<br>B01D2315/00 for details related to the membrane module operation;<br>B01D2317/00 for details related to the module arrangement within a plant or an apparatus;<br>B01D2319/00 for details related to the membrane assembly within one housing.<br>Multistep processes comprising two or more membrane-separation steps of different kinds must be classified in B01D61/58 in combination with the subgroup for the specific steps. The symbols relating to the specific steps are added as "additional information."<br>Multistep processes comprising two or more membrane-separation steps of the same kind must be classified in the subgroup covering the specific multistep membrane separation, e.g. B01D61/029 for processes comprising two or more reverse osmosis steps, B01D61/3621 for processes comprising two or more pervaporation steps.	B01D61/00	B01D61/00		2613
B01D61/002	8	{Forward osmosis or direct osmosis}	B01D61/00	B01D61/00		659
B01D61/0021	9	{comprising multiple forward osmosis steps}	B01D61/00	B01D61/00		119
B01D61/0022	9	{Apparatus therefor}	B01D61/00	B01D61/00		403
B01D61/0023	9	{Accessories; Auxiliary operations}	B01D61/00	B01D61/00		123
B01D61/0024	9	{Controlling or regulating}	B01D61/00	B01D61/00		100
B01D61/005	9	{Osmotic agents; Draw solutions}	B01D61/00	B01D61/00		344
B01D61/007	8	{Separation by stereostructure, steric separation}	B01D61/00	B01D61/00		45
B01D61/02	8	Reverse osmosis; Hyperfiltration {; Nanofiltration}	B01D61/02	B01D61/02		916
B01D61/025	9	{Reverse osmosis; Hyperfiltration}	B01D61/02	B01D61/02		6162
B01D61/026	10	{comprising multiple reverse osmosis steps}	B01D61/02	B01D61/02		739
B01D61/027	9	{Nanofiltration}	B01D61/02	B01D61/02		3820
B01D61/0271	10	{comprising multiple nanofiltration steps}	B01D61/02	B01D61/02		177
B01D61/029	9	{Multistep processes comprising different kinds of membrane processes selected from reverse osmosis, hyperfiltration or nanofiltration}	B01D61/02	B01D61/02		283
B01D61/04	9	Feed pretreatment<br><br><u>NOTE</u><br><br>When classifying in this group, the type of pretreatment must be specified with the indexing codes of groups B01D2311/04 and B01D2311/10 - B01D2311/2696.	B01D61/04	B01D61/04		1400
B01D61/06	9	Energy recovery	B01D61/06	B01D61/06		707
B01D61/08	9	Apparatus therefor	B01D61/08	B01D61/08		2471
B01D61/081	10	{used at home, e.g. kitchen}	B01D61/08	B01D61/08		335
B01D61/10	9	Accessories; Auxiliary operations	B01D61/10	B01D61/10		2154
B01D61/12	9	Controlling or regulating	B01D61/12	B01D61/12		1755
B01D61/14	8	Ultrafiltration; Microfiltration	B01D61/14	B01D61/14		1097
B01D61/145	9	{Ultrafiltration}	B01D61/14	B01D61/14		4911
B01D61/146	10	{comprising multiple ultrafiltration steps}	B01D61/14	B01D61/14		356
B01D61/147	9	{Microfiltration}	B01D61/14	B01D61/14		2582
B01D61/1471	10	{comprising multiple microfiltration steps}	B01D61/14	B01D61/14		104
B01D61/149	9	{Multistep processes comprising different kinds of membrane processes selected from ultrafiltration or microfiltration}	B01D61/14	B01D61/14		223
B01D61/16	9	Feed pretreatment<br><br><u>NOTE</u><br><br>In group B01D61/16 the type of pretreatment must be specified with the indexing codes B01D2311/04 and B01D2311/10 - B01D2311/2696.	B01D61/16	B01D61/16		960
B01D61/18	9	Apparatus therefor	B01D61/18	B01D61/18		2963
B01D61/20	9	Accessories; Auxiliary operations	B01D61/20	B01D61/20		1283
B01D61/22	9	Controlling or regulating	B01D61/22	B01D61/22		1100
B01D61/24	8	Dialysis {; Membrane extraction}	B01D61/24	B01D61/24		61
B01D61/243	9	{Dialysis}	B01D61/24	B01D61/24		580
B01D61/244	10	{comprising multiple dialysis steps}	B01D61/24	B01D61/24		89
B01D61/246	9	{Membrane extraction}	B01D61/24	B01D61/24		204
B01D61/2461	10	{comprising multiple membrane extraction steps}	B01D61/24	B01D61/24		60
B01D61/28	9	Apparatus therefor	B01D61/28	B01D61/28		860
B01D61/30	9	Accessories; Auxiliary operation	B01D61/30	B01D61/30		260
B01D61/32	9	Controlling or regulating	B01D61/32	B01D61/32		198
B01D61/36	8	Pervaporation; Membrane distillation; Liquid permeation	B01D61/36	B01D61/36		161
B01D61/362	9	{Pervaporation}	B01D61/36	B01D61/36		1246
B01D61/3621	10	{comprising multiple pervaporation steps}	B01D61/36	B01D61/36		123
B01D61/363	9	{Vapour permeation}	B01D61/36	B01D61/36		112
B01D61/3631	10	{comprising multiple vapour permeation steps}	B01D61/36	B01D61/36		12
B01D61/364	9	{Membrane distillation}	B01D61/36	B01D61/36		939
B01D61/3641	10	{comprising multiple membrane distillation steps}	B01D61/36	B01D61/36		176
B01D61/365	9	{Osmotic distillation or osmotic evaporation}	B01D61/36	B01D61/36		42
B01D61/3651	10	{comprising multiple osmotic distillation or evaporation steps}	B01D61/36	B01D61/36		6
B01D61/366	9	{Apparatus therefor}	B01D61/36	B01D61/36		445
B01D61/368	9	{Accessories; Auxiliary operations}	B01D61/36	B01D61/36		210
B01D61/38	8	Liquid-membrane separation	B01D61/38	B01D61/38		371
B01D61/40	9	using emulsion-type membranes	B01D61/40	B01D61/40		145
B01D61/42	8	Electrodialysis; Electro-osmosis {; Electro-ultrafiltration; Membrane capacitive deionization}	B01D61/42	B01D61/42		229
B01D61/422	9	{Electrodialysis}	B01D61/42	B01D61/42		853
B01D61/423	10	{comprising multiple electrodialysis steps}	B01D61/42	B01D61/42		149
B01D61/425	9	{Electro-ultrafiltration}	B01D61/42	B01D61/42		81
B01D61/4251	10	{comprising multiple electro-ultrafiltration steps}	B01D61/42	B01D61/42		12
B01D61/427	9	{Electro-osmosis}	B01D61/42	B01D61/42		222
B01D61/4271	10	{comprising multiple electro-osmosis steps}	B01D61/42	B01D61/42		40
B01D61/428	9	{Membrane capacitive deionization}	B01D61/42	B01D61/42		107
B01D61/4281	10	{comprising multiple membrane capacitive deionization steps}	B01D61/42	B01D61/42		13
B01D61/44	9	Ion-selective electrodialysis	B01D61/44	B01D61/44		1487
B01D61/445	10	{with bipolar membranes; Water splitting}	B01D61/44	B01D61/44		843
B01D61/46	10	Apparatus therefor	B01D61/46	B01D61/46		462
B01D61/461	11	{comprising only a single cell, only one anion or cation exchange membrane or one pair of anion and cation membranes}	B01D61/46	B01D61/46		172
B01D61/462	11	{comprising the membrane sequence AA, where A is an anion exchange membrane}	B01D61/46	B01D61/46		26
B01D61/463	11	{comprising the membrane sequence AC or CA, where C is a cation exchange membrane}	B01D61/46	B01D61/46		324
B01D61/464	11	{comprising the membrane sequence CC}	B01D61/46	B01D61/46		39
B01D61/465	11	{comprising the membrane sequence AB or BA, where B is a bipolar membrane}	B01D61/46	B01D61/46		66
B01D61/466	11	{comprising the membrane sequence BC or CB}	B01D61/46	B01D61/46		61
B01D61/467	11	{comprising the membrane sequence BB}	B01D61/46	B01D61/46		4
B01D61/468	11	{comprising more than two electrodes}	B01D61/46	B01D61/46		50
B01D61/48	11	having one or more compartments filled with ion-exchange material {, e.g. electrodeionisation}	B01D61/48	B01D61/48		757
B01D61/485	12	{Specific features relating to the ion-exchange material}	B01D61/48	B01D61/48		175
B01D61/50	11	Stacks of the plate-and-frame type	B01D61/50	B01D61/50		409
B01D61/52	10	Accessories; Auxiliary operation	B01D61/52	B01D61/52		504
B01D61/54	10	Controlling or regulating	B01D61/54	B01D61/54		300
B01D61/56	9	Electro-osmotic dewatering	B01D61/56	B01D61/56		306
B01D61/58	8	Multistep processes<br><br><u>NOTE</u><br><br>In group B01D61/58 the symbols relating to the specific process steps in B01D61/00 - B01D61/56 are given as additional information.	B01D61/58	B01D61/58		2480
B01D63/00	7	Apparatus in general for separation processes using semi-permeable membranes<br><br><u>NOTE</u><br><br>When classifying in this group, the indexing codes of the following groups must be added if applicable:<br>B01D2313/00 for details related to membrane modules and apparatus;<br>B01D2315/00 for details related to the membrane module operation;<br>B01D2317/00 for details related to the module arrangement within a plant or an apparatus;<br>B01D2319/00 for details related to the membrane assembly within one housing.<br>Attention is drawn to the Note following B01D59/50, which indicates the last place rule is not applied in B01D63/00.	B01D63/00	B01D63/00		1183
B01D63/005	8	{Microfluidic devices (Microfluidic devices comprising semi-permeable hollow fibre membranes B01D63/028; Microfluidic devices comprising semi-permeable flat membranes B01D63/088)}	B01D63/00	B01D63/00		65
B01D63/02	8	Hollow fibre modules	B01D63/02	B01D63/02		2593
B01D63/021	9	{Manufacturing thereof}	B01D63/02	B01D63/02		417
B01D63/022	10	{Encapsulating hollow fibres}	B01D63/02	B01D63/02		254
B01D63/0221	11	{using a mould}	B01D63/02	B01D63/02		135
B01D63/0222	11	{using centrifugal forces}	B01D63/02	B01D63/02		100
B01D63/0223	11	{by fixing the hollow fibres prior to encapsulation}	B01D63/02	B01D63/02		71
B01D63/0224	11	{Opening the fibre ends after encapsulation}	B01D63/02	B01D63/02		39
B01D63/0225	11	{Multiple encapsulation layers}	B01D63/02	B01D63/02		14
B01D63/023	11	{Encapsulating materials}	B01D63/02	B01D63/02		257
B01D63/0231	10	{using supporting structures, e.g. filaments for weaving mats}	B01D63/02	B01D63/02		181
B01D63/0232	10	{using hollow fibers mats as precursor, e.g. wound or pleated mats}	B01D63/02	B01D63/02		105
B01D63/0233	10	{forming the bundle}	B01D63/02	B01D63/02		437
B01D63/024	9	{with a single potted end}	B01D63/02	B01D63/02		294
B01D63/0241	10	{being U-shaped}	B01D63/02	B01D63/02		230
B01D63/025	9	{Bobbin units}	B01D63/02	B01D63/02		214
B01D63/026	9	{Wafer type modules or flat-surface type modules}	B01D63/02	B01D63/02		279
B01D63/027	9	{Twinned or braided type modules}	B01D63/02	B01D63/02		67
B01D63/028	9	{Microfluidic devices comprising semi-permeable hollow fibre membranes}	B01D63/02	B01D63/02		16
B01D63/031	9	{Two or more types of hollow fibres within one bundle or within one potting or tube-sheet}	B01D63/02	B01D63/031		364
B01D63/032	9	{More than two tube sheets for one bundle}	B01D63/02	B01D63/032		46
B01D63/033	9	{Specific distribution of fibres within one potting or tube-sheet}	B01D63/02	B01D63/033		187
B01D63/034	9	{Lumen open in more than two directions}	B01D63/02	B01D63/034		66
B01D63/04	9	comprising multiple hollow fibre assemblies	B01D63/04	B01D63/04		848
B01D63/043	10	{with separate tube sheets}	B01D63/04	B01D63/04		496
B01D63/046	10	{in separate housings}	B01D63/04	B01D63/04		161
B01D63/06	8	Tubular membrane modules	B01D63/06	B01D63/06		1213
B01D63/061	9	{Manufacturing thereof}	B01D63/06	B01D63/06		449
B01D63/062	9	{with membranes on a surface of a support tube}	B01D63/06	B01D63/06		128
B01D63/063	10	{on the inner surface thereof}	B01D63/06	B01D63/06		264
B01D63/065	10	{on the outer surface thereof}	B01D63/06	B01D63/06		259
B01D63/066	9	{with a porous block having membrane coated passages}	B01D63/06	B01D63/06		499
B01D63/067	9	{with pleated membranes}	B01D63/06	B01D63/06		173
B01D63/068	9	{with flexible membrane tubes}	B01D63/06	B01D63/06		106
B01D63/069	9	{comprising a bundle of tubular membranes}	B01D63/06	B01D63/06		239
B01D63/08	8	Flat membrane modules	B01D63/08	B01D63/08		823
B01D63/081	9	{Manufacturing thereof}	B01D63/08	B01D63/08		496
B01D63/082	9	{comprising a stack of flat membranes}	B01D63/08	B01D63/08		701
B01D63/0821	10	{Membrane plate arrangements for submerged operation}	B01D63/08	B01D63/08		153
B01D63/0822	10	{Plate-and-frame devices}	B01D63/08	B01D63/08		570
B01D63/084	10	{at least one flow duct intersecting the membranes}	B01D63/08	B01D63/08		501
B01D63/085	11	{specially adapted for two fluids in mass exchange flow}	B01D63/08	B01D63/08		146
B01D63/087	9	{Single membrane modules}	B01D63/08	B01D63/08		766
B01D63/088	9	{Microfluidic devices comprising semi-permeable flat membranes}	B01D63/08	B01D63/08		173
B01D63/089	9	{Modules where the membrane is in the form of a bag, membrane cushion or pad}	B01D63/08	B01D63/08		117
B01D63/10	8	Spiral-wound membrane modules	B01D63/10	B01D63/10		855
B01D63/101	9	{Spiral winding}	B01D63/10	B01D63/10		365
B01D63/103	9	{Details relating to membrane envelopes}	B01D63/10	B01D63/10		160
B01D63/1031	10	{Glue line or sealing patterns}	B01D63/10	B01D63/10		130
B01D63/106	9	{Anti-Telescopic-Devices [ATD]}	B01D63/10	B01D63/10		92
B01D63/107	9	{Specific properties of the central tube or the permeate channel}	B01D63/10	B01D63/10		318
B01D63/12	9	comprising multiple spiral-wound assemblies	B01D63/12	B01D63/12		337
B01D63/14	8	Pleat-type membrane modules	B01D63/14	B01D63/14		340
B01D63/16	8	Rotary, reciprocated or vibrated modules	B01D63/16	B01D63/16		786
B01D65/00	7	Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes<br><br><u>NOTE</u><br><br>Attention is drawn to the Note following B01D59/50, which indicates the last place rule is not applied in B01D65/00.	B01D65/00	B01D65/00		1216
B01D65/003	8	{Membrane bonding or sealing}	B01D65/00	B01D65/00		769
B01D65/02	8	Membrane cleaning or sterilisation {; Membrane regeneration}<br><br><u>NOTE</u><br><br>When classifying in this group, the indexing codes of the following groups must be added if applicable: <br>B01D2321/00 for details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling.	B01D65/02	B01D65/02		6594
B01D65/022	9	{Membrane sterilisation}	B01D65/02	B01D65/02		413
B01D65/025	9	{Removal of membrane elements before washing}	B01D65/02	B01D65/02		60
B01D65/027	9	{Cleaning of other parts of the apparatus than the membrane}	B01D65/02	B01D65/02		86
B01D65/04	9	with movable bodies, e.g. foam balls	B01D65/04	B01D65/04		217
B01D65/06	9	with special washing compositions	B01D65/06	B01D65/06		323
B01D65/08	8	Prevention of membrane fouling or of concentration polarisation<br><br><u>NOTE</u><br><br>When classifying in this group, the indexing codes of the following groups must be added if applicable: <br>B01D2321/00 for details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling.	B01D65/08	B01D65/08		3191
B01D65/10	8	Testing of membranes or membrane apparatus; Detecting or repairing leaks	B01D65/10	B01D65/10		835
B01D65/102	9	{Detection of leaks in membranes}	B01D65/10	B01D65/10		361
B01D65/104	9	{Detection of leaks in membrane apparatus or modules}	B01D65/10	B01D65/10		191
B01D65/106	9	{Repairing membrane apparatus or modules}	B01D65/10	B01D65/10		32
B01D65/108	10	{Repairing membranes}	B01D65/10	B01D65/10		124
B01D65/109	9	{Testing of membrane fouling or clogging, e.g. amount or affinity}	B01D65/10	B01D65/10		285
B01D67/00	7	Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus<br><br><u>NOTE</u><br><br>When classifying in this group, the indexing codes of the following groups must be added if applicable: <br>B01D2323/00 for details relating to membrane preparation.<br>Attention is drawn to the Note following B01D59/50, which indicates the last place rule is not applied in B01D67/00.	B01D67/00	B01D67/00		729
B01D67/0002	8	{Organic membrane manufacture}	B01D67/00	B01D67/00		3387
B01D67/0004	9	{by agglomeration of particles}	B01D67/00	B01D67/00		94
B01D67/00041	10	{by sintering}	B01D67/00	B01D67/00		79
B01D67/00042	10	{by deposition of fibres, nanofibres or nanofibrils}	B01D67/00	B01D67/00		172
B01D67/00043	10	{by agglomeration of nanoparticles}	B01D67/00	B01D67/00		22
B01D67/00044	10	{by plasma spraying}	B01D67/00	B01D67/00		11
B01D67/00045	10	{by additive layer techniques, e.g. selective laser sintering [SLS], selective laser melting [SLM] or 3D printing}	B01D67/00	B01D67/00		55
B01D67/00046	10	{by deposition by filtration through a support or base layer}	B01D67/00	B01D67/00		57
B01D67/0006	9	{by chemical reactions (in-situ polymerisation, polycondensation, cross-linking or reaction for manufacturing composite membranes B01D69/125)}	B01D67/00	B01D67/00		3829
B01D67/0009	9	{by phase separation, sol-gel transition, evaporation or solvent quenching}	B01D67/00	B01D67/00		561
B01D67/00091	10	{by evaporation}	B01D67/00	B01D67/00		246
B01D67/0011	10	{Casting solutions therefor}	B01D67/00	B01D67/00		1685
B01D67/00111	11	{Polymer pretreatment in the casting solutions}	B01D67/00	B01D67/00		369
B01D67/00113	11	{Pretreatment of the casting solutions, e.g. thermal treatment or ageing}	B01D67/00	B01D67/00		240
B01D67/0013	10	{Casting processes}	B01D67/00	B01D67/00		1352
B01D67/00135	11	{Air gap characteristics}	B01D67/00	B01D67/00		80
B01D67/0016	10	{Coagulation}	B01D67/00	B01D67/00		790
B01D67/00165	11	{Composition of the coagulation baths}	B01D67/00	B01D67/00		319
B01D67/0018	10	{Thermally induced processes [TIPS]}	B01D67/00	B01D67/00		225
B01D67/002	9	{from melts}	B01D67/00	B01D67/00		281
B01D67/0023	9	{by inducing porosity into non porous precursor membranes}	B01D67/00	B01D67/00		100
B01D67/0025	10	{by mechanical treatment, e.g. pore-stretching}	B01D67/00	B01D67/00		91
B01D67/0027	11	{by stretching}	B01D67/00	B01D67/00		666
B01D67/003	10	{by selective elimination of components, e.g. by leaching}	B01D67/00	B01D67/00		536
B01D67/0031	11	{by elimination of at least one of the blocks of a block copolymer}	B01D67/00	B01D67/00		38
B01D67/0032	10	{by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods}	B01D67/00	B01D67/00		186
B01D67/0034	11	{by micromachining techniques, e.g. using masking and etching steps, photolithography}	B01D67/00	B01D67/00		177
B01D67/0037	9	{by deposition from the gaseous phase, e.g. CVD, PVD}	B01D67/00	B01D67/00		82
B01D67/0039	8	{Inorganic membrane manufacture}	B01D67/00	B01D67/00		929
B01D67/0041	9	{by agglomeration of particles in the dry state}	B01D67/00	B01D67/00		268
B01D67/00411	10	{by sintering}	B01D67/00	B01D67/00		488
B01D67/00412	10	{by deposition of fibres, nanofibres or nanofibrils}	B01D67/00	B01D67/00		48
B01D67/00413	10	{by agglomeration of nanoparticles}	B01D67/00	B01D67/00		56
B01D67/00414	10	{by plasma spraying}	B01D67/00	B01D67/00		23
B01D67/00415	10	{by additive layer techniques, e.g. selective laser sintering [SLS], selective laser melting [SLM] or 3D printing}	B01D67/00	B01D67/00		65
B01D67/00416	10	{by deposition by filtration through a support or base layer}	B01D67/00	B01D67/00		115
B01D67/0044	9	{by chemical reaction}	B01D67/00	B01D67/00		250
B01D67/0046	9	{by slurry techniques, e.g. die or slip-casting}	B01D67/00	B01D67/00		374
B01D67/0048	9	{by sol-gel transition}	B01D67/00	B01D67/00		314
B01D67/0049	9	{by evaporation}	B01D67/00	B01D67/00		14
B01D67/0051	9	{by controlled crystallisation, e,.g. hydrothermal growth}	B01D67/00	B01D67/00		455
B01D67/0053	9	{by inducing porosity into non porous precursor membranes}	B01D67/00	B01D67/00		23
B01D67/0055	10	{by mechanical treatment}	B01D67/00	B01D67/00		36
B01D67/0058	10	{by selective elimination of components, e.g. by leaching}	B01D67/00	B01D67/00		131
B01D67/006	10	{by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods}	B01D67/00	B01D67/00		107
B01D67/0062	11	{by micromachining techniques, e.g. using masking and etching steps, photolithography}	B01D67/00	B01D67/00		258
B01D67/0065	11	{by anodic oxidation}	B01D67/00	B01D67/00		119
B01D67/0067	9	{by carbonisation or pyrolysis}	B01D67/00	B01D67/00		371
B01D67/0069	9	{by deposition from the liquid phase, e.g. electrochemical deposition (B01D67/0046 takes precedence)}	B01D67/00	B01D67/00		346
B01D67/0072	9	{by deposition from the gaseous phase, e.g. sputtering, CVD, PVD}	B01D67/00	B01D67/00		468
B01D67/0074	9	{from melts}	B01D67/00	B01D67/00		45
B01D67/0076	9	{Pretreatment of inorganic membrane material prior to membrane formation, e.g. coating of metal powder}	B01D67/00	B01D67/00		141
B01D67/0079	8	{Manufacture of membranes comprising organic and inorganic components}	B01D67/00	B01D67/00		3351
B01D67/00791	9	{Different components in separate layers}	B01D67/00	B01D67/00		397
B01D67/00793	9	{Dispersing a component, e.g. as particles or powder, in another component}	B01D67/00	B01D67/00		649
B01D67/0081	8	{After-treatment of organic or inorganic membranes}	B01D67/00	B01D67/00		195
B01D67/0083	9	{Thermal after-treatment}	B01D67/00	B01D67/00		912
B01D67/0086	9	{Mechanical after-treatment}	B01D67/00	B01D67/00		225
B01D67/0088	9	{Physical treatment with compounds, e.g. swelling, coating or impregnation}	B01D67/00	B01D67/00		2663
B01D67/009	9	{with wave-energy, particle-radiation or plasma}	B01D67/00	B01D67/00		625
B01D67/0093	9	{Chemical modification}	B01D67/00	B01D67/00		1494
B01D67/00931	10	{by introduction of specific groups after membrane formation, e.g. by grafting}	B01D67/00	B01D67/00		965
B01D67/00933	10	{by addition of a layer chemically bonded to the membrane}	B01D67/00	B01D67/00		319
B01D67/0095	9	{Drying}	B01D67/00	B01D67/00		811
B01D67/0097	9	{Storing or preservation}	B01D67/00	B01D67/00		124
B01D69/00	7	Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor<br><br><u>NOTE</u><br><br> In this group, the following term is used with the meaning indicated: <br>"properties" covers those of a mechanical, physical or chemical nature.<br> Manufacturing processes, if considered of interest, are also classified in group B01D67/00.<br>Attention is drawn to the Note following B01D59/50, which indicates the last place rule is not applied in B01D69/00.	B01D69/00	B01D69/00		601
B01D69/02	8	characterised by their properties<br><br><u>NOTE</u><br><br>When classifying in this group, the indexing codes of the following groups must be added if applicable: <br>B01D2325/00 for details relating to properties of membranes.	B01D69/02	B01D69/02		11987
B01D69/04	8	Tubular membranes	B01D69/04	B01D69/04		850
B01D69/043	9	{characterised by the tube diameter}	B01D69/04	B01D69/04		61
B01D69/046	9	{characterised by the cross-sectional shape of the tube}	B01D69/04	B01D69/04		63
B01D69/06	8	Flat membranes	B01D69/06	B01D69/06		1287
B01D69/061	9	{Membrane bags or membrane cushions}	B01D69/06	B01D69/06		52
B01D69/08	8	Hollow fibre membranes (manufacture of hollow fibres D01D5/24, D01F1/08)	B01D69/08	B01D69/08		4479
B01D69/081	9	{characterised by the fibre diameter}	B01D69/08	B01D69/08		307
B01D69/082	9	{characterised by the cross-sectional shape of the fibre}	B01D69/08	B01D69/08		147
B01D69/084	9	{Undulated fibres}	B01D69/08	B01D69/08		87
B01D69/085	9	{Details relating to the spinneret}	B01D69/08	B01D69/08		257
B01D69/087	9	{Details relating to the spinning process}	B01D69/08	B01D69/08		699
B01D69/0871	10	{Fibre guidance after spinning through the manufacturing apparatus}	B01D69/08	B01D69/08		127
B01D69/088	10	{Co-extrusion; Co-spinning}	B01D69/08	B01D69/08		219
B01D69/10	8	Supported membranes; Membrane supports	B01D69/10	B01D69/10		2269
B01D69/105	9	{Support pretreatment}	B01D69/10	B01D69/10		879
B01D69/106	9	{Membranes in the pores of a support, e.g. polymerized in the pores or voids}	B01D69/10	B01D69/10		440
B01D69/107	9	{Organic support material}	B01D69/10	B01D69/10		1139
B01D69/1071	10	{Woven, non-woven or net mesh}	B01D69/10	B01D69/10		1210
B01D69/108	9	{Inorganic support material}	B01D69/10	B01D69/10		994
B01D69/12	8	Composite membranes; Ultra-thin membranes	B01D69/12	B01D69/12		5023
B01D69/1212	9	{Coextruded layers}	B01D69/12	B01D69/12		125
B01D69/1213	9	{Laminated layers}	B01D69/12	B01D69/12		1705
B01D69/1214	9	{Chemically bonded layers, e.g. cross-linking}	B01D69/12	B01D69/12		495
B01D69/1216	9	{Three or more layers}	B01D69/12	B01D69/12		1555
B01D69/1218	9	{Layers having the same chemical composition, but different properties, e.g. pore size, molecular weight or porosity}	B01D69/12	B01D69/12		216
B01D69/122	9	{Separate manufacturing of ultra-thin membranes}	B01D69/12	B01D69/12		286
B01D69/125	9	{In situ manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction}	B01D69/12	B01D69/12		2338
B01D69/1251	10	{by interfacial polymerisation}	B01D69/12	B01D69/12		1142
B01D69/127	10	{using electrical discharge or plasma-polymerisation}	B01D69/12	B01D69/12		163
B01D69/14	8	Dynamic membranes	B01D69/14	B01D69/14		139
B01D69/141	9	{Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes}	B01D69/14	B01D69/14		499
B01D69/1411	10	{containing dispersed material in a continuous matrix}	B01D69/14	B01D69/14		462
B01D69/14111	11	{with nanoscale dispersed material, e.g. nanoparticles}	B01D69/14	B01D69/14		311
B01D69/142	10	{with "carriers"}	B01D69/14	B01D69/14		230
B01D69/144	11	{containing embedded or bound biomolecules}	B01D69/14	B01D69/14		211
B01D69/145	10	{containing embedded catalysts}	B01D69/14	B01D69/14		207
B01D69/147	10	{containing embedded adsorbents}	B01D69/14	B01D69/14		222
B01D69/148	10	{Organic/inorganic mixed matrix membranes}	B01D69/14	B01D69/14		1084
B01D71/00	7	Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor<br><br><u>NOTE</u><br><br>  In this group, if the material is a composition it is classified according to the constituent present in the highest proportion; see Note before group B01D61/00. This constituent is classified according to the last place rule. If there is more than one constituent present in equal highest proportions, then each of these constituents is classified according to the last place rule.<br> Manufacturing processes, if considered of interest, are also classified in group B01D67/00. 	B01D71/00	B01D71/00		186
B01D71/02	8	Inorganic material	B01D71/02	B01D71/02		1627
B01D71/021	9	{Carbon}	B01D71/02	B01D71/02		1205
B01D71/0211	10	{Graphene or derivates thereof}	B01D71/02	B01D71/02		705
B01D71/0212	10	{Carbon nanotubes}	B01D71/02	B01D71/02		335
B01D71/0213	9	{Silicon}	B01D71/02	B01D71/02		230
B01D71/0215	9	{Silicon carbide; Silicon nitride; Silicon oxycarbide}	B01D71/02	B01D71/02		359
B01D71/022	9	{Metals}	B01D71/02	B01D71/02		883
B01D71/0221	10	{Group 4 or 5 metals}	B01D71/02	B01D71/02		229
B01D71/0223	10	{Group 8, 9 or 10 metals}	B01D71/02	B01D71/02		133
B01D71/02231	11	{Palladium}	B01D71/02	B01D71/02		459
B01D71/02232	11	{Nickel}	B01D71/02	B01D71/02		260
B01D71/0227	10	{comprising an intermediate layer for avoiding intermetallic diffusion}	B01D71/02	B01D71/02		29
B01D71/024	9	{Oxides}	B01D71/02	B01D71/02		1719
B01D71/025	10	{Aluminium oxide}	B01D71/02	B01D71/02		805
B01D71/027	10	{Silicium oxide}	B01D71/02	B01D71/02		854
B01D71/0271	10	{Perovskites}	B01D71/02	B01D71/02		266
B01D71/028	9	{Molecular sieves (carbon B01D71/021)}	B01D71/02	B01D71/02		525
B01D71/0281	10	{Zeolites}	B01D71/02	B01D71/02		758
B01D71/04	9	Glass	B01D71/04	B01D71/04		191
B01D71/05	9	{Cermet materials}	B01D71/02	B01D71/05		118
B01D71/06	8	Organic material	B01D71/06	B01D71/06		1613
B01D71/08	9	Polysaccharides	B01D71/08	B01D71/08		425
B01D71/10	10	Cellulose; Modified cellulose	B01D71/10	B01D71/10		768
B01D71/12	10	Cellulose derivatives	B01D71/12	B01D71/12		261
B01D71/14	11	Esters of organic acids	B01D71/14	B01D71/14		142
B01D71/16	12	Cellulose acetate	B01D71/16	B01D71/16		758
B01D71/18	12	Mixed esters, e.g. cellulose acetate-butyrate	B01D71/18	B01D71/18		79
B01D71/20	11	Esters of inorganic acids, e.g. cellulose nitrate	B01D71/20	B01D71/20		85
B01D71/22	11	Cellulose ethers	B01D71/22	B01D71/22		102
B01D71/24	9	Rubbers<br><br><u>NOTE</u><br><br> In this group the following term is used with the meaning indicated: <br>"rubber" covers:<br>natural or conjugated diene rubber;<br>rubber in general (for specific rubber, see the group provided for such macromolecular compound) 	B01D71/24	B01D71/24		118
B01D71/26	9	Polyalkenes	B01D71/26	B01D71/26		776
B01D71/261	10	{Polyethylene}	B01D71/26	B01D71/26		896
B01D71/262	10	{Polypropylene}	B01D71/26	B01D71/26		778
B01D71/28	9	Polymers of vinyl aromatic compounds	B01D71/28	B01D71/28		167
B01D71/281	10	{Polystyrene}	B01D71/28	B01D71/28		321
B01D71/282	10	{Polyvinylphenol}	B01D71/28	B01D71/28		10
B01D71/283	10	{Polyvinylpyridine}	B01D71/28	B01D71/28		45
B01D71/30	9	Polyalkenyl halides	B01D71/30	B01D71/30		253
B01D71/301	10	{Polyvinylchloride}	B01D71/30	B01D71/30		186
B01D71/32	10	containing fluorine atoms	B01D71/32	B01D71/32		939
B01D71/34	11	Polyvinylidene fluoride	B01D71/34	B01D71/34		3193
B01D71/36	11	Polytetrafluoroethylene	B01D71/36	B01D71/36		1891
B01D71/38	9	Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals	B01D71/38	B01D71/38		376
B01D71/381	10	{Polyvinylalcohol}	B01D71/38	B01D71/38		509
B01D71/382	10	{Polyvinylethers}	B01D71/38	B01D71/38		13
B01D71/383	10	{Polyvinylacetates}	B01D71/38	B01D71/38		83
B01D71/40	9	Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters	B01D71/40	B01D71/40		241
B01D71/401	10	{Polymers based on the polymerisation of acrylic acid, e.g. polyacrylate}	B01D71/40	B01D71/40		454
B01D71/4011	11	{Polymethylmethacrylate}	B01D71/40	B01D71/40		188
B01D71/402	10	{Polymers based on the polymerisation of fumaric acid or derivatives thereof}	B01D71/40	B01D71/40		17
B01D71/403	10	{Polymers based on the polymerisation of maleic acid or derivatives thereof}	B01D71/40	B01D71/40		59
B01D71/404	10	{Polymers based on the polymerisation of crotonic acid}	B01D71/40	B01D71/40		17
B01D71/42	10	Polymers of nitriles, e.g. polyacrylonitrile	B01D71/42	B01D71/42		583
B01D71/421	11	{Polyacrylonitrile}	B01D71/42	B01D71/42		638
B01D71/44	9	Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups B01D71/26-B01D71/42	B01D71/44	B01D71/44		389
B01D71/441	10	{Polyvinylpyrrolidone}	B01D71/44	B01D71/44		328
B01D71/46	9	Epoxy resins	B01D71/46	B01D71/46		91
B01D71/48	9	Polyesters	B01D71/48	B01D71/48		684
B01D71/481	10	{Polyarylates}	B01D71/48	B01D71/48		54
B01D71/50	9	Polycarbonates	B01D71/50	B01D71/50		302
B01D71/52	9	Polyethers	B01D71/52	B01D71/52		362
B01D71/521	10	{Aliphatic polyethers}	B01D71/52	B01D71/52		32
B01D71/5211	11	{Polyethylene glycol or polyethyleneoxide}	B01D71/52	B01D71/52		362
B01D71/522	10	{Aromatic polyethers}	B01D71/52	B01D71/52		84
B01D71/5221	11	{Polyaryletherketone}	B01D71/52	B01D71/52		53
B01D71/5222	11	{Polyetherketone, polyetheretherketone, or polyaryletherketone}	B01D71/52	B01D71/52		316
B01D71/5223	11	{Polyphenylene oxide, phenyl ether polymers or polyphenylethers}	B01D71/52	B01D71/52		147
B01D71/54	9	Polyureas; Polyurethanes	B01D71/54	B01D71/54		384
B01D71/56	9	Polyamides, e.g. polyester-amides	B01D71/56	B01D71/56		3487
B01D71/58	9	Other polymers having nitrogen in the main chain, with or without oxygen or carbon only	B01D71/58	B01D71/58		303
B01D71/60	10	Polyamines	B01D71/60	B01D71/60		405
B01D71/601	11	{Polyethylenimine}	B01D71/60	B01D71/60		233
B01D71/62	10	Polycondensates having nitrogen-containing heterocyclic rings in the main chain	B01D71/62	B01D71/62		528
B01D71/64	11	Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors	B01D71/64	B01D71/64		1454
B01D71/641	12	{Polyamide-imides}	B01D71/64	B01D71/64		197
B01D71/642	12	{Polyester-imides}	B01D71/64	B01D71/64		20
B01D71/643	12	{Polyether-imides}	B01D71/64	B01D71/64		259
B01D71/66	9	Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only	B01D71/66	B01D71/66		207
B01D71/68	10	Polysulfones; Polyethersulfones	B01D71/68	B01D71/68		4111
B01D71/69	10	{Polysulfonamides}	B01D71/66	B01D71/69		28
B01D71/70	9	Polymers having silicon in the main chain, with or without sulfur, nitrogen, oxygen or carbon only	B01D71/70	B01D71/70		525
B01D71/701	10	{Polydimethylsiloxane}	B01D71/70	B01D71/70		433
B01D71/702	10	{Polysilsesquioxanes or combination of silica with bridging organosilane groups}	B01D71/70	B01D71/70		70
B01D71/72	9	Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of the groups B01D71/46 - B01D71/70{and B01D71/701 - B01D71/702}	B01D71/72	B01D71/72		510
B01D71/74	9	Natural macromolecular material or derivatives thereof (B01D71/08, B01D71/24 take precedence)	B01D71/74	B01D71/74		318
B01D71/76	9	Macromolecular material not specifically provided for in a single one of groups B01D71/08&#160;-&#160;B01D71/74(rubbers in general B01D71/24)	B01D71/76	B01D71/76		1183
B01D71/78	10	Graft polymers	B01D71/78	B01D71/78		445
B01D71/80	10	Block polymers	B01D71/80	B01D71/80		929
B01D71/82	10	characterised by the presence of specified groups, e.g. introduced by chemical after-treatment	B01D71/82	B01D71/82		1560
B01D2101/00	7	Types of filters having loose filtering material	CPCONLY	B01D2101/00		27
B01D2101/005	8	with a binder between the individual particles or fibres	CPCONLY	B01D2101/005		71
B01D2101/02	8	Carbon filters	CPCONLY	B01D2101/02		159
B01D2101/04	8	Sand or gravel filters	CPCONLY	B01D2101/04		302
B01D2201/00	7	Details relating to filtering apparatus	CPCONLY	B01D2201/00		26
B01D2201/02	8	Filtering elements having a conical form	CPCONLY	B01D2201/02		1038
B01D2201/04	8	Supports for the filtering elements	CPCONLY	B01D2201/04		149
B01D2201/0407	9	Perforated supports on both sides of the filtering element	CPCONLY	B01D2201/0407		326
B01D2201/0415	9	Details of supporting structures	CPCONLY	B01D2201/0415		1553
B01D2201/0423	10	not in the inner side of the cylindrical filtering elements	CPCONLY	B01D2201/0423		216
B01D2201/043	9	Filter tubes connected to plates	CPCONLY	B01D2201/043		82
B01D2201/0438	10	mounted substantially vertically on plates at the lower side of the filter elements	CPCONLY	B01D2201/0438		222
B01D2201/0446	10	suspended from plates at the upper side of the filter elements	CPCONLY	B01D2201/0446		583
B01D2201/0453	10	positioned between at least two plates	CPCONLY	B01D2201/0453		297
B01D2201/0461	9	Springs	CPCONLY	B01D2201/0461		347
B01D2201/0469	9	Filter tubes connected to collector tubes	CPCONLY	B01D2201/0469		85
B01D2201/0476	10	mounted substantially vertically on collector tubes at the lower side of the filter elements	CPCONLY	B01D2201/0476		47
B01D2201/0484	10	suspended from collector tubes at the upper side of the filter elements	CPCONLY	B01D2201/0484		99
B01D2201/0492	10	positioned between at least two collector tubes	CPCONLY	B01D2201/0492		19
B01D2201/06	8	Resilient foam as filtering element	CPCONLY	B01D2201/06		53
B01D2201/08	8	Regeneration of the filter	CPCONLY	B01D2201/08		261
B01D2201/081	9	using nozzles or suction devices	CPCONLY	B01D2201/081		194
B01D2201/082	10	Suction devices placed on the cake side of the filtering element	CPCONLY	B01D2201/082		248
B01D2201/083	10	Suction devices placed on the filtrate side of the filtering element, e.g. with variable edge filters	CPCONLY	B01D2201/083		13
B01D2201/084	10	Nozzles placed on the filtrate side of the filtering element	CPCONLY	B01D2201/084		115
B01D2201/085	9	using another chemical than the liquid to be filtered	CPCONLY	B01D2201/085		206
B01D2201/086	9	using fluid streams co-current to the filtration direction	CPCONLY	B01D2201/086		79
B01D2201/087	9	using gas bubbles, e.g. air	CPCONLY	B01D2201/087		298
B01D2201/088	9	Arrangements for killing microorganisms	CPCONLY	B01D2201/088		120
B01D2201/089	9	using rollers having projections to clear the filter apertures	CPCONLY	B01D2201/089		51
B01D2201/10	8	Filtration under gravity in large open drainage basins	CPCONLY	B01D2201/10		112
B01D2201/12	8	Pleated filters	CPCONLY	B01D2201/12		441
B01D2201/122	9	with pleats of different length	CPCONLY	B01D2201/122		136
B01D2201/125	9	with non-parallel pleats	CPCONLY	B01D2201/125		18
B01D2201/127	9	with means for keeping the spacing between the pleats	CPCONLY	B01D2201/127		220
B01D2201/14	8	Particulate filter materials with a lower density than the liquid mixture to be filtered	CPCONLY	B01D2201/14		85
B01D2201/16	8	Valves	CPCONLY	B01D2201/16		533
B01D2201/162	9	with snap, latch or clip connecting means	CPCONLY	B01D2201/162		104
B01D2201/165	9	Multi-way valves	CPCONLY	B01D2201/165		186
B01D2201/167	9	Single-way valves	CPCONLY	B01D2201/167		143
B01D2201/18	8	Filters characterised by the openings or pores	CPCONLY	B01D2201/18		76
B01D2201/182	9	for depth filtration	CPCONLY	B01D2201/182		296
B01D2201/184	9	Special form, dimension of the openings, pores of the filtering elements	CPCONLY	B01D2201/184		363
B01D2201/186	10	Pore openings which can be modified	CPCONLY	B01D2201/186		117
B01D2201/188	9	Multiple filtering elements having filtering areas of different size	CPCONLY	B01D2201/188		454
B01D2201/20	8	Pressure-related systems for filters	CPCONLY	B01D2201/20		51
B01D2201/202	9	Systems for applying pressure to filters	CPCONLY	B01D2201/202		393
B01D2201/204	9	Systems for applying vacuum to filters	CPCONLY	B01D2201/204		378
B01D2201/206	10	by the weight of the liquid in a tube, e.g. siphon, barometric leg	CPCONLY	B01D2201/206		143
B01D2201/208	10	by venturi systems	CPCONLY	B01D2201/208		152
B01D2201/22	8	Filtering bands with supporting discs	CPCONLY	B01D2201/22		41
B01D2201/24	8	Tools used for the removal of filters	CPCONLY	B01D2201/24		444
B01D2201/26	8	Transport systems for filtering devices	CPCONLY	B01D2201/26		77
B01D2201/265	9	mounted on vehicles	CPCONLY	B01D2201/265		200
B01D2201/28	8	Position of the filtering element	CPCONLY	B01D2201/28		27
B01D2201/282	9	Filtering elements with a horizontal rotation or symmetry axis	CPCONLY	B01D2201/282		670
B01D2201/285	9	Filtering elements with a symmetry axis not parallel to the rotation axis	CPCONLY	B01D2201/285		23
B01D2201/287	9	Filtering elements with a vertical or inclined rotation or symmetry axis	CPCONLY	B01D2201/287		795
B01D2201/29	8	Filter cartridge constructions	CPCONLY	B01D2201/29		354
B01D2201/291	9	End caps	CPCONLY	B01D2201/291		1337
B01D2201/293	10	Making of end caps	CPCONLY	B01D2201/293		64
B01D2201/295	10	with projections extending in a radial outward direction, e.g. for use as a guide, spacing means	CPCONLY	B01D2201/295		629
B01D2201/296	10	Other than having a circular shape	CPCONLY	B01D2201/296		72
B01D2201/298	10	End caps common to at least two filtering elements	CPCONLY	B01D2201/298		101
B01D2201/30	8	Filter housing constructions	CPCONLY	B01D2201/30		602
B01D2201/301	9	Details of removable closures, lids, caps, filter heads	CPCONLY	B01D2201/301		880
B01D2201/302	10	having inlet or outlet ports	CPCONLY	B01D2201/302		1268
B01D2201/303	11	not arranged concentrically	CPCONLY	B01D2201/303		223
B01D2201/304	10	Seals or gaskets	CPCONLY	B01D2201/304		614
B01D2201/305	10	Snap, latch or clip connecting means	CPCONLY	B01D2201/305		746
B01D2201/306	10	Closures, lids, caps or filter heads forming one element with the filtering element	CPCONLY	B01D2201/306		180
B01D2201/307	9	Filtering elements contained in an insert body mounted in a filter housing (double casing), e.g. to avoid contamination when removing or replacing the filter element	CPCONLY	B01D2201/307		168
B01D2201/308	9	Use of foils, membranes or other means to protect the filter before its use or for protecting the environment, e.g. during removal of the filter	CPCONLY	B01D2201/308		17
B01D2201/309	9	Housings with transparent parts	CPCONLY	B01D2201/309		285
B01D2201/31	8	Other construction details	CPCONLY	B01D2201/31		396
B01D2201/313	9	Means for protecting the filter from the incoming fluid, e.g. shields	CPCONLY	B01D2201/313		142
B01D2201/316	9	Standpipes	CPCONLY	B01D2201/316		199
B01D2201/32	8	Flow characteristics of the filter	CPCONLY	B01D2201/32		97
B01D2201/325	9	Outward flow filtration	CPCONLY	B01D2201/325		79
B01D2201/34	8	Seals or gaskets for filtering elements	CPCONLY	B01D2201/34		1694
B01D2201/342	9	Axial sealings	CPCONLY	B01D2201/342		214
B01D2201/345	9	Pressurized seals or gaskets	CPCONLY	B01D2201/345		93
B01D2201/347	9	Radial sealings	CPCONLY	B01D2201/347		416
B01D2201/36	8	Filtering elements containing a rotating housing construction	CPCONLY	B01D2201/36		44
B01D2201/38	8	Preventing rewetting of the filter cake on the filter media	CPCONLY	B01D2201/38		19
B01D2201/40	8	Special measures for connecting different parts of the filter	CPCONLY	B01D2201/40		409
B01D2201/4007	9	Use of cam or ramp systems	CPCONLY	B01D2201/4007		234
B01D2201/4015	9	Bayonet connecting means	CPCONLY	B01D2201/4015		744
B01D2201/4023	9	Means for connecting filter housings to supports	CPCONLY	B01D2201/4023		514
B01D2201/403	9	allowing dilatation, e.g. by heat	CPCONLY	B01D2201/403		85
B01D2201/4038	9	for connecting at least two filtering elements together	CPCONLY	B01D2201/4038		113
B01D2201/4046	9	Means for avoiding false mounting of different parts	CPCONLY	B01D2201/4046		542
B01D2201/4053	10	using keys	CPCONLY	B01D2201/4053		193
B01D2201/4061	10	between a cartridge and a filter head or manifold	CPCONLY	B01D2201/4061		110
B01D2201/4069	9	Magnetic means	CPCONLY	B01D2201/4069		85
B01D2201/4076	9	Anti-rotational means	CPCONLY	B01D2201/4076		342
B01D2201/4084	9	Snap or Seeger ring connecting means	CPCONLY	B01D2201/4084		910
B01D2201/4092	9	Threaded sections, e.g. screw	CPCONLY	B01D2201/4092		405
B01D2201/44	8	Special measures allowing the even or uniform distribution of fluid along the length of a conduit	CPCONLY	B01D2201/44		187
B01D2201/46	8	Several filtrate discharge conduits each connected to one filter element or group of filter elements	CPCONLY	B01D2201/46		200
B01D2201/48	8	Overflow systems	CPCONLY	B01D2201/48		284
B01D2201/50	8	Means for dissipating electrostatic charges	CPCONLY	B01D2201/50		203
B01D2201/52	8	Filter identification means	CPCONLY	B01D2201/52		244
B01D2201/54	8	Computerised or programmable systems	CPCONLY	B01D2201/54		312
B01D2201/56	8	Wireless systems for monitoring the filter	CPCONLY	B01D2201/56		301
B01D2201/58	8	Power supply means for regenerating the filter	CPCONLY	B01D2201/58		22
B01D2201/583	9	using the kinetic energy of the fluid circulating in the filtering device	CPCONLY	B01D2201/583		150
B01D2201/586	9	using regenerative sources, e.g. wind, sun	CPCONLY	B01D2201/586		15
B01D2201/60	8	Shape of non-cylindrical filtering elements	CPCONLY	B01D2201/60		120
B01D2201/602	9	Oval	CPCONLY	B01D2201/602		33
B01D2201/605	9	Square or rectangular	CPCONLY	B01D2201/605		59
B01D2201/607	9	Triangular	CPCONLY	B01D2201/607		14
B01D2201/62	8	Honeycomb-like	CPCONLY	B01D2201/62		70
B01D2201/64	8	Filters having floating elements	CPCONLY	B01D2201/64		92
B01D2202/00	7	Details concerning evaporation, distillation or condensation	CPCONLY	B01D2202/00		44
B01D2202/10	8	Use of a microdevice for separation	CPCONLY	B01D2202/10		9
B01D2202/20	8	Use of an ionic liquid in the separation process	CPCONLY	B01D2202/20		12
B01D2221/00	7	Applications of separation devices	CPCONLY	B01D2221/00		19
B01D2221/02	8	Small separation devices for domestic application, e.g. for canteens, industrial kitchen, washing machines	CPCONLY	B01D2221/02		366
B01D2221/04	8	Separation devices for treating liquids from earth drilling, mining	CPCONLY	B01D2221/04		558
B01D2221/06	8	Separation devices for industrial food processing or agriculture	CPCONLY	B01D2221/06		468
B01D2221/08	8	Mobile separation devices	CPCONLY	B01D2221/08		566
B01D2221/10	8	Separation devices for use in medical, pharmaceutical or laboratory applications, e.g. separating amalgam from dental treatment residues	CPCONLY	B01D2221/10		714
B01D2221/12	8	Separation devices for treating rain or storm water	CPCONLY	B01D2221/12		900
B01D2221/14	8	Separation devices for workshops, car or semiconductor industry, e.g. for separating chips and other machining residues	CPCONLY	B01D2221/14		284
B01D2221/16	8	Separation devices for cleaning ambient air, e.g. air along roads or air in cities	CPCONLY	B01D2221/16		196
B01D2239/00	7	Aspects relating to filtering material for liquid or gaseous fluids	CPCONLY	B01D2239/00		25
B01D2239/02	8	Types of fibres, filaments or particles, self-supporting or supported materials	CPCONLY	B01D2239/02		74
B01D2239/0208	9	Single-component fibres	CPCONLY	B01D2239/0208		219
B01D2239/0216	9	Bicomponent or multicomponent fibres	CPCONLY	B01D2239/0216		537
B01D2239/0225	10	Side-by-side	CPCONLY	B01D2239/0225		98
B01D2239/0233	10	Island-in-sea	CPCONLY	B01D2239/0233		253
B01D2239/0241	9	comprising electrically conductive fibres or particles	CPCONLY	B01D2239/0241		280
B01D2239/025	9	comprising nanofibres	CPCONLY	B01D2239/025		999
B01D2239/0258	9	comprising nanoparticles	CPCONLY	B01D2239/0258		356
B01D2239/0266	9	comprising biodegradable or bio-soluble polymers	CPCONLY	B01D2239/0266		146
B01D2239/0275	9	comprising biologically produced plastics, e.g. bioplastics	CPCONLY	B01D2239/0275		20
B01D2239/0283	9	comprising filter materials made from waste or recycled materials	CPCONLY	B01D2239/0283		80
B01D2239/0291	9	comprising swelling polymers	CPCONLY	B01D2239/0291		30
B01D2239/04	8	Additives and treatments of the filtering material	CPCONLY	B01D2239/04		350
B01D2239/0407	9	comprising particulate additives, e.g. adsorbents	CPCONLY	B01D2239/0407		1823
B01D2239/0414	9	Surface modifiers, e.g. comprising ion exchange groups	CPCONLY	B01D2239/0414		235
B01D2239/0421	10	Rendering the filter material hydrophilic	CPCONLY	B01D2239/0421		414
B01D2239/0428	10	Rendering the filter material hydrophobic	CPCONLY	B01D2239/0428		507
B01D2239/0435	9	Electret	CPCONLY	B01D2239/0435		755
B01D2239/0442	9	Antimicrobial, antibacterial, antifungal additives	CPCONLY	B01D2239/0442		1661
B01D2239/045	9	Deodorising additives	CPCONLY	B01D2239/045		327
B01D2239/0457	9	Specific fire retardant or heat resistant properties	CPCONLY	B01D2239/0457		380
B01D2239/0464	9	Impregnants	CPCONLY	B01D2239/0464		615
B01D2239/0471	9	Surface coating material	CPCONLY	B01D2239/0471		900
B01D2239/0478	10	on a layer of the filter	CPCONLY	B01D2239/0478		836
B01D2239/0485	10	on particles	CPCONLY	B01D2239/0485		115
B01D2239/0492	10	on fibres	CPCONLY	B01D2239/0492		638
B01D2239/06	8	Filter cloth, e.g. knitted, woven non-woven; self-supported material	CPCONLY	B01D2239/06		79
B01D2239/0604	9	Arrangement of the fibres in the filtering material	CPCONLY	B01D2239/0604		42
B01D2239/0609	10	Knitted	CPCONLY	B01D2239/0609		108
B01D2239/0613	10	Woven	CPCONLY	B01D2239/0613		343
B01D2239/0618	10	Non-woven	CPCONLY	B01D2239/0618		1423
B01D2239/0622	10	Melt-blown	CPCONLY	B01D2239/0622		868
B01D2239/0627	10	Spun-bonded	CPCONLY	B01D2239/0627		557
B01D2239/0631	10	Electro-spun	CPCONLY	B01D2239/0631		624
B01D2239/0636	10	Two or more types of fibres present in the filter material	CPCONLY	B01D2239/0636		339
B01D2239/064	10	The fibres being mixed	CPCONLY	B01D2239/064		487
B01D2239/0645	9	Arrangement of the particles in the filtering material	CPCONLY	B01D2239/0645		91
B01D2239/065	9	More than one layer present in the filtering material	CPCONLY	B01D2239/065		2337
B01D2239/0654	10	Support layers	CPCONLY	B01D2239/0654		1125
B01D2239/0659	10	The layers being joined by needling	CPCONLY	B01D2239/0659		276
B01D2239/0663	10	The layers being joined by hydro-entangling	CPCONLY	B01D2239/0663		86
B01D2239/0668	10	The layers being joined by heat or melt-bonding	CPCONLY	B01D2239/0668		625
B01D2239/0672	10	The layers being joined by welding	CPCONLY	B01D2239/0672		201
B01D2239/0677	10	by spot-welding	CPCONLY	B01D2239/0677		64
B01D2239/0681	10	The layers being joined by gluing	CPCONLY	B01D2239/0681		595
B01D2239/0686	10	by spot-gluing	CPCONLY	B01D2239/0686		61
B01D2239/069	9	Special geometry of layers	CPCONLY	B01D2239/069		227
B01D2239/0695	10	Wound layers	CPCONLY	B01D2239/0695		400
B01D2239/08	8	Special characteristics of binders	CPCONLY	B01D2239/08		172
B01D2239/083	9	Binders between layers of the filter	CPCONLY	B01D2239/083		174
B01D2239/086	9	Binders between particles or fibres	CPCONLY	B01D2239/086		577
B01D2239/10	8	Filtering material manufacturing	CPCONLY	B01D2239/10		4547
B01D2239/12	8	Special parameters characterising the filtering material	CPCONLY	B01D2239/12		79
B01D2239/1208	9	Porosity	CPCONLY	B01D2239/1208		640
B01D2239/1216	9	Pore size	CPCONLY	B01D2239/1216		1139
B01D2239/1225	9	Fibre length	CPCONLY	B01D2239/1225		277
B01D2239/1233	9	Fibre diameter	CPCONLY	B01D2239/1233		1304
B01D2239/1241	9	Particle diameter	CPCONLY	B01D2239/1241		559
B01D2239/125	9	Size distribution	CPCONLY	B01D2239/125		114
B01D2239/1258	9	Permeability	CPCONLY	B01D2239/1258		357
B01D2239/1266	9	Solidity	CPCONLY	B01D2239/1266		58
B01D2239/1275	9	Stiffness	CPCONLY	B01D2239/1275		67
B01D2239/1283	9	Stability index	CPCONLY	B01D2239/1283		21
B01D2239/1291	9	Other parameters	CPCONLY	B01D2239/1291		1126
B01D2247/00	7	Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent	CPCONLY	B01D2247/00		37
B01D2247/02	8	Enhancing the particle separation by electrostatic or magnetic effects (B01D2247/102 takes precedence; electrostatic or magnetic separation B03C)	CPCONLY	B01D2247/02		76
B01D2247/04	8	Regenerating the washing fluid	CPCONLY	B01D2247/04		1038
B01D2247/06	8	Separation units provided with means for cleaning and maintenance	CPCONLY	B01D2247/06		236
B01D2247/08	8	Means for controlling the separation process	CPCONLY	B01D2247/08		710
B01D2247/10	8	Means for removing the washing fluid dispersed in the gas or vapours	CPCONLY	B01D2247/10		289
B01D2247/101	9	using a cyclone	CPCONLY	B01D2247/101		106
B01D2247/102	9	using electrostatic or magnetic effects	CPCONLY	B01D2247/102		17
B01D2247/103	9	using fluids, e.g. as a fluid curtain or as large liquid droplets	CPCONLY	B01D2247/103		31
B01D2247/104	9	using an impeller	CPCONLY	B01D2247/104		31
B01D2247/105	9	by gas flow reversal	CPCONLY	B01D2247/105		40
B01D2247/106	9	using a structured demister, e.g. tortuous channels	CPCONLY	B01D2247/106		119
B01D2247/107	9	using an unstructured demister, e.g. a wire mesh demister	CPCONLY	B01D2247/107		148
B01D2247/108	9	using vortex inducers	CPCONLY	B01D2247/108		29
B01D2247/12	8	Fan arrangements for providing forced draft	CPCONLY	B01D2247/12		159
B01D2247/14	8	Fan arrangements for providing induced draft	CPCONLY	B01D2247/14		255
B01D2251/00	7	Reactants	CPCONLY	B01D2251/00		91
B01D2251/10	8	Oxidants	CPCONLY	B01D2251/10		512
B01D2251/102	9	Oxygen	CPCONLY	B01D2251/102		671
B01D2251/104	9	Ozone	CPCONLY	B01D2251/104		1759
B01D2251/106	9	Peroxides	CPCONLY	B01D2251/106		723
B01D2251/1065	10	Organic peroxides	CPCONLY	B01D2251/1065		19
B01D2251/108	9	Halogens or halogen compounds	CPCONLY	B01D2251/108		635
B01D2251/11	9	Air	CPCONLY	B01D2251/11		306
B01D2251/20	8	Reductants	CPCONLY	B01D2251/20		312
B01D2251/202	9	Hydrogen	CPCONLY	B01D2251/202		440
B01D2251/204	9	Carbon monoxide	CPCONLY	B01D2251/204		266
B01D2251/206	9	Ammonium compounds	CPCONLY	B01D2251/206		459
B01D2251/2062	10	Ammonia	CPCONLY	B01D2251/2062		4944
B01D2251/2065	10	Ammonium hydroxide	CPCONLY	B01D2251/2065		56
B01D2251/2067	10	Urea	CPCONLY	B01D2251/2067		2163
B01D2251/208	9	Hydrocarbons	CPCONLY	B01D2251/208		725
B01D2251/21	9	Organic compounds not provided for in groups B01D2251/206 or B01D2251/208	CPCONLY	B01D2251/21		249
B01D2251/30	8	Alkali metal compounds	CPCONLY	B01D2251/30		286
B01D2251/302	9	of lithium	CPCONLY	B01D2251/302		246
B01D2251/304	9	of sodium	CPCONLY	B01D2251/304		3498
B01D2251/306	9	of potassium	CPCONLY	B01D2251/306		959
B01D2251/40	8	Alkaline earth metal or magnesium compounds	CPCONLY	B01D2251/40		226
B01D2251/402	9	of magnesium	CPCONLY	B01D2251/402		997
B01D2251/404	9	of calcium	CPCONLY	B01D2251/404		4607
B01D2251/406	9	of strontium	CPCONLY	B01D2251/406		40
B01D2251/408	9	of barium	CPCONLY	B01D2251/408		80
B01D2251/50	8	Inorganic acids	CPCONLY	B01D2251/50		107
B01D2251/502	9	Hydrochloric acid	CPCONLY	B01D2251/502		151
B01D2251/504	9	Nitric acid	CPCONLY	B01D2251/504		78
B01D2251/506	9	Sulfuric acid	CPCONLY	B01D2251/506		337
B01D2251/508	9	Sulfur dioxide	CPCONLY	B01D2251/508		25
B01D2251/51	9	Hydrogen sulfide	CPCONLY	B01D2251/51		22
B01D2251/512	9	Phosphoric acid	CPCONLY	B01D2251/512		90
B01D2251/60	8	Inorganic bases or salts	CPCONLY	B01D2251/60		670
B01D2251/602	9	Oxides	CPCONLY	B01D2251/602		1283
B01D2251/604	9	Hydroxides	CPCONLY	B01D2251/604		3403
B01D2251/606	9	Carbonates	CPCONLY	B01D2251/606		1877
B01D2251/608	9	Sulfates	CPCONLY	B01D2251/608		386
B01D2251/61	9	Phosphates	CPCONLY	B01D2251/61		82
B01D2251/70	8	Organic acids	CPCONLY	B01D2251/70		274
B01D2251/80	8	Organic bases or salts	CPCONLY	B01D2251/80		579
B01D2251/90	8	Chelants	CPCONLY	B01D2251/90		106
B01D2251/902	9	EDTA	CPCONLY	B01D2251/902		70
B01D2251/904	9	NTA	CPCONLY	B01D2251/904		13
B01D2251/95	8	Specific microorganisms	CPCONLY	B01D2251/95		1730
B01D2252/00	7	Absorbents, i.e. solvents and liquid materials for gas absorption	CPCONLY	B01D2252/00		17
B01D2252/10	8	Inorganic absorbents	CPCONLY	B01D2252/10		878
B01D2252/102	9	Ammonia	CPCONLY	B01D2252/102		391
B01D2252/103	9	Water	CPCONLY	B01D2252/103		2147
B01D2252/1035	10	Sea water	CPCONLY	B01D2252/1035		363
B01D2252/20	8	Organic absorbents	CPCONLY	B01D2252/20		309
B01D2252/202	9	Alcohols or their derivatives	CPCONLY	B01D2252/202		311
B01D2252/2021	10	Methanol	CPCONLY	B01D2252/2021		314
B01D2252/2023	10	Glycols, diols or their derivatives	CPCONLY	B01D2252/2023		262
B01D2252/2025	11	Ethers or esters of alkylene glycols, e.g. ethylene or propylene carbonate	CPCONLY	B01D2252/2025		110
B01D2252/2026	11	Polyethylene glycol, ethers or esters thereof, e.g. Selexol	CPCONLY	B01D2252/2026		231
B01D2252/2028	11	Polypropylene glycol, ethers or esters thereof	CPCONLY	B01D2252/2028		37
B01D2252/204	9	Amines	CPCONLY	B01D2252/204		1214
B01D2252/20405	10	Monoamines	CPCONLY	B01D2252/20405		331
B01D2252/2041	10	Diamines	CPCONLY	B01D2252/2041		277
B01D2252/20415	10	Tri- or polyamines	CPCONLY	B01D2252/20415		202
B01D2252/20421	10	Primary amines	CPCONLY	B01D2252/20421		279
B01D2252/20426	10	Secondary amines	CPCONLY	B01D2252/20426		283
B01D2252/20431	10	Tertiary amines	CPCONLY	B01D2252/20431		385
B01D2252/20436	10	Cyclic amines	CPCONLY	B01D2252/20436		121
B01D2252/20442	11	containing a piperidine-ring	CPCONLY	B01D2252/20442		88
B01D2252/20447	11	containing a piperazine-ring	CPCONLY	B01D2252/20447		279
B01D2252/20452	11	containing a morpholine-ring	CPCONLY	B01D2252/20452		49
B01D2252/20457	11	containing a pyridine-ring	CPCONLY	B01D2252/20457		29
B01D2252/20463	11	containing a pyrimidine-ring	CPCONLY	B01D2252/20463		10
B01D2252/20468	11	containing a pyrrolidone-ring	CPCONLY	B01D2252/20468		81
B01D2252/20473	11	containing an imidazole-ring	CPCONLY	B01D2252/20473		64
B01D2252/20478	10	Alkanolamines	CPCONLY	B01D2252/20478		330
B01D2252/20484	11	with one hydroxyl group	CPCONLY	B01D2252/20484		584
B01D2252/20489	11	with two or more hydroxyl groups	CPCONLY	B01D2252/20489		448
B01D2252/20494	10	Amino acids, their salts or derivatives	CPCONLY	B01D2252/20494		210
B01D2252/205	9	Other organic compounds not covered by B01D2252/00&#160;-&#160;B01D2252/20494	CPCONLY	B01D2252/205		527
B01D2252/2053	10	Other nitrogen compounds	CPCONLY	B01D2252/2053		191
B01D2252/2056	10	Sulfur compounds, e.g. Sulfolane, thiols	CPCONLY	B01D2252/2056		153
B01D2252/30	8	Ionic liquids and zwitter-ions	CPCONLY	B01D2252/30		503
B01D2252/40	8	Absorbents explicitly excluding the presence of water	CPCONLY	B01D2252/40		78
B01D2252/50	8	Combinations of absorbents	CPCONLY	B01D2252/50		95
B01D2252/502	9	having two or more functionalities in the same molecule other than alkanolamine	CPCONLY	B01D2252/502		53
B01D2252/504	9	Mixtures of two or more absorbents	CPCONLY	B01D2252/504		740
B01D2252/60	8	Additives	CPCONLY	B01D2252/60		202
B01D2252/602	9	Activators, promoting agents, catalytic agents or enzymes	CPCONLY	B01D2252/602		270
B01D2252/604	9	Stabilisers or agents inhibiting degradation	CPCONLY	B01D2252/604		71
B01D2252/606	9	Anticorrosion agents	CPCONLY	B01D2252/606		52
B01D2252/608	9	Antifoaming agents	CPCONLY	B01D2252/608		51
B01D2252/61	9	Antifouling agents	CPCONLY	B01D2252/61		18
B01D2253/00	7	Adsorbents used in seperation treatment of gases and vapours	CPCONLY	B01D2253/00		13
B01D2253/10	8	Inorganic adsorbents	CPCONLY	B01D2253/10		809
B01D2253/102	9	Carbon	CPCONLY	B01D2253/102		14076
B01D2253/104	9	Alumina	CPCONLY	B01D2253/104		2005
B01D2253/106	9	Silica or silicates	CPCONLY	B01D2253/106		2888
B01D2253/108	10	Zeolites	CPCONLY	B01D2253/108		5130
B01D2253/1085	11	characterized by a silicon-aluminium ratio	CPCONLY	B01D2253/1085		416
B01D2253/11	10	Clays	CPCONLY	B01D2253/11		555
B01D2253/112	9	Metals or metal compounds not provided for in B01D2253/104 or B01D2253/106	CPCONLY	B01D2253/112		966
B01D2253/1122	10	Metals	CPCONLY	B01D2253/1122		400
B01D2253/1124	10	Metal oxides	CPCONLY	B01D2253/1124		1124
B01D2253/1126	10	Metal hydrides	CPCONLY	B01D2253/1126		52
B01D2253/1128	10	Metal sulfides	CPCONLY	B01D2253/1128		121
B01D2253/116	9	Molecular sieves other than zeolites	CPCONLY	B01D2253/116		1137
B01D2253/20	8	Organic adsorbents	CPCONLY	B01D2253/20		765
B01D2253/202	9	Polymeric adsorbents	CPCONLY	B01D2253/202		1462
B01D2253/204	9	Metal organic frameworks (MOF&apos;s)	CPCONLY	B01D2253/204		1288
B01D2253/206	9	Ion exchange resins	CPCONLY	B01D2253/206		299
B01D2253/25	8	Coated, impregnated or composite adsorbents	CPCONLY	B01D2253/25		2365
B01D2253/30	8	Physical properties of adsorbents	CPCONLY	B01D2253/30		145
B01D2253/302	9	Dimensions	CPCONLY	B01D2253/302		75
B01D2253/304	10	Linear dimensions, e.g. particle shape, diameter	CPCONLY	B01D2253/304		1200
B01D2253/306	10	Surface area, e.g. BET-specific surface	CPCONLY	B01D2253/306		748
B01D2253/308	10	Pore size	CPCONLY	B01D2253/308		827
B01D2253/31	10	Pore size distribution	CPCONLY	B01D2253/31		123
B01D2253/311	10	Porosity, e.g. pore volume	CPCONLY	B01D2253/311		481
B01D2253/34	9	Specific shapes	CPCONLY	B01D2253/34		468
B01D2253/342	10	Monoliths	CPCONLY	B01D2253/342		254
B01D2253/3425	11	Honeycomb shape	CPCONLY	B01D2253/3425		523
B01D2255/00	7	Catalysts	CPCONLY	B01D2255/00		39
B01D2255/10	8	Noble metals or compounds thereof	CPCONLY	B01D2255/10		245
B01D2255/102	9	Platinum group metals	CPCONLY	B01D2255/102		553
B01D2255/1021	10	Platinum	CPCONLY	B01D2255/1021		2747
B01D2255/1023	10	Palladium	CPCONLY	B01D2255/1023		2479
B01D2255/1025	10	Rhodium	CPCONLY	B01D2255/1025		1614
B01D2255/1026	10	Ruthenium	CPCONLY	B01D2255/1026		382
B01D2255/1028	10	Iridium	CPCONLY	B01D2255/1028		204
B01D2255/104	9	Silver	CPCONLY	B01D2255/104		813
B01D2255/106	9	Gold	CPCONLY	B01D2255/106		434
B01D2255/20	8	Metals or compounds thereof	CPCONLY	B01D2255/20		109
B01D2255/202	9	Alkali metals	CPCONLY	B01D2255/202		284
B01D2255/2022	10	Potassium	CPCONLY	B01D2255/2022		302
B01D2255/2025	10	Lithium	CPCONLY	B01D2255/2025		86
B01D2255/2027	10	Sodium	CPCONLY	B01D2255/2027		217
B01D2255/204	9	Alkaline earth metals	CPCONLY	B01D2255/204		386
B01D2255/2042	10	Barium	CPCONLY	B01D2255/2042		717
B01D2255/2045	10	Calcium	CPCONLY	B01D2255/2045		304
B01D2255/2047	10	Magnesium	CPCONLY	B01D2255/2047		433
B01D2255/206	9	Rare earth metals	CPCONLY	B01D2255/206		612
B01D2255/2061	10	Yttrium	CPCONLY	B01D2255/2061		358
B01D2255/2063	10	Lanthanum	CPCONLY	B01D2255/2063		845
B01D2255/2065	10	Cerium	CPCONLY	B01D2255/2065		1727
B01D2255/2066	10	Praseodymium	CPCONLY	B01D2255/2066		247
B01D2255/2068	10	Neodymium	CPCONLY	B01D2255/2068		244
B01D2255/207	9	Transition metals	CPCONLY	B01D2255/207		215
B01D2255/20707	10	Titanium	CPCONLY	B01D2255/20707		3253
B01D2255/20715	10	Zirconium	CPCONLY	B01D2255/20715		1183
B01D2255/20723	10	Vanadium	CPCONLY	B01D2255/20723		1260
B01D2255/2073	10	Manganese	CPCONLY	B01D2255/2073		1831
B01D2255/20738	10	Iron	CPCONLY	B01D2255/20738		2200
B01D2255/20746	10	Cobalt	CPCONLY	B01D2255/20746		1040
B01D2255/20753	10	Nickel	CPCONLY	B01D2255/20753		966
B01D2255/20761	10	Copper	CPCONLY	B01D2255/20761		2305
B01D2255/20769	10	Molybdenum	CPCONLY	B01D2255/20769		544
B01D2255/20776	10	Tungsten	CPCONLY	B01D2255/20776		1003
B01D2255/20784	10	Chromium	CPCONLY	B01D2255/20784		302
B01D2255/20792	10	Zinc	CPCONLY	B01D2255/20792		551
B01D2255/209	9	Other metals	CPCONLY	B01D2255/209		90
B01D2255/2092	10	Aluminium	CPCONLY	B01D2255/2092		1678
B01D2255/2094	10	Tin	CPCONLY	B01D2255/2094		209
B01D2255/2096	10	Bismuth	CPCONLY	B01D2255/2096		124
B01D2255/2098	10	Antimony	CPCONLY	B01D2255/2098		58
B01D2255/30	8	Silica	CPCONLY	B01D2255/30		588
B01D2255/40	8	Mixed oxides	CPCONLY	B01D2255/40		567
B01D2255/402	9	Perovskites	CPCONLY	B01D2255/402		160
B01D2255/405	9	Spinels	CPCONLY	B01D2255/405		129
B01D2255/407	9	Zr-Ce mixed oxides	CPCONLY	B01D2255/407		797
B01D2255/50	8	Zeolites	CPCONLY	B01D2255/50		1730
B01D2255/502	9	Beta zeolites	CPCONLY	B01D2255/502		374
B01D2255/504	9	ZSM 5 zeolites	CPCONLY	B01D2255/504		329
B01D2255/65	8	Catalysts not containing noble metals	CPCONLY	B01D2255/65		194
B01D2255/70	8	Non-metallic catalysts, additives or dopants	CPCONLY	B01D2255/70		206
B01D2255/702	9	Carbon	CPCONLY	B01D2255/702		465
B01D2255/705	9	Ligands for metal-organic catalysts	CPCONLY	B01D2255/705		89
B01D2255/707	9	Additives or dopants	CPCONLY	B01D2255/707		84
B01D2255/80	8	Type of catalytic reaction	CPCONLY	B01D2255/80		24
B01D2255/802	9	Photocatalytic	CPCONLY	B01D2255/802		4058
B01D2255/804	9	Enzymatic	CPCONLY	B01D2255/804		119
B01D2255/806	9	Electrocatalytic	CPCONLY	B01D2255/806		139
B01D2255/808	9	Hydrolytic	CPCONLY	B01D2255/808		50
B01D2255/90	8	Physical characteristics of catalysts	CPCONLY	B01D2255/90		139
B01D2255/902	9	Multilayered catalyst	CPCONLY	B01D2255/902		157
B01D2255/9022	10	Two layers	CPCONLY	B01D2255/9022		849
B01D2255/9025	10	Three layers	CPCONLY	B01D2255/9025		235
B01D2255/9027	10	More than three layers	CPCONLY	B01D2255/9027		42
B01D2255/903	9	Multi-zoned catalysts	CPCONLY	B01D2255/903		69
B01D2255/9032	10	Two zones	CPCONLY	B01D2255/9032		449
B01D2255/9035	10	Three zones	CPCONLY	B01D2255/9035		108
B01D2255/9037	10	More than three zones	CPCONLY	B01D2255/9037		29
B01D2255/904	9	Multiple catalysts	CPCONLY	B01D2255/904		269
B01D2255/9045	10	in parallel	CPCONLY	B01D2255/9045		47
B01D2255/905	9	Catalysts having a gradually changing coating	CPCONLY	B01D2255/905		38
B01D2255/906	9	Catalyst dispersed in the gas	CPCONLY	B01D2255/906		29
B01D2255/908	9	O2-storage component incorporated in the catalyst	CPCONLY	B01D2255/908		782
B01D2255/909	9	H2-storage component incorporated in the catalyst	CPCONLY	B01D2255/909		6
B01D2255/91	9	NOx-storage component incorporated in the catalyst	CPCONLY	B01D2255/91		633
B01D2255/911	9	NH3-storage component incorporated in the catalyst	CPCONLY	B01D2255/911		163
B01D2255/912	9	HC-storage component incorporated in the catalyst	CPCONLY	B01D2255/912		211
B01D2255/915	9	Catalyst supported on particulate filters	CPCONLY	B01D2255/915		279
B01D2255/9155	10	Wall flow filters	CPCONLY	B01D2255/9155		786
B01D2255/92	9	Dimensions	CPCONLY	B01D2255/92		113
B01D2255/9202	10	Linear dimensions	CPCONLY	B01D2255/9202		834
B01D2255/9205	10	Porosity	CPCONLY	B01D2255/9205		465
B01D2255/9207	10	Specific surface	CPCONLY	B01D2255/9207		563
B01D2256/00	7	Main component in the product gas stream after treatment	CPCONLY	B01D2256/00		37
B01D2256/10	8	Nitrogen	CPCONLY	B01D2256/10		1495
B01D2256/12	8	Oxygen	CPCONLY	B01D2256/12		2144
B01D2256/14	8	Ozone	CPCONLY	B01D2256/14		66
B01D2256/16	8	Hydrogen	CPCONLY	B01D2256/16		2427
B01D2256/18	8	Noble gases	CPCONLY	B01D2256/18		600
B01D2256/20	8	Carbon monoxide	CPCONLY	B01D2256/20		444
B01D2256/22	8	Carbon dioxide	CPCONLY	B01D2256/22		1356
B01D2256/24	8	Hydrocarbons	CPCONLY	B01D2256/24		1672
B01D2256/245	9	Methane	CPCONLY	B01D2256/245		1898
B01D2256/26	8	Halogens or halogen compounds	CPCONLY	B01D2256/26		222
B01D2257/00	7	Components to be removed	CPCONLY	B01D2257/00		29
B01D2257/10	8	Single element gases other than halogens	CPCONLY	B01D2257/10		48
B01D2257/102	9	Nitrogen	CPCONLY	B01D2257/102		2315
B01D2257/104	9	Oxygen	CPCONLY	B01D2257/104		1788
B01D2257/106	9	Ozone	CPCONLY	B01D2257/106		656
B01D2257/108	9	Hydrogen	CPCONLY	B01D2257/108		1074
B01D2257/11	9	Noble gases	CPCONLY	B01D2257/11		481
B01D2257/20	8	Halogens or halogen compounds	CPCONLY	B01D2257/20		196
B01D2257/202	9	Single element halogens	CPCONLY	B01D2257/202		141
B01D2257/2022	10	Bromine	CPCONLY	B01D2257/2022		52
B01D2257/2025	10	Chlorine	CPCONLY	B01D2257/2025		531
B01D2257/2027	10	Fluorine	CPCONLY	B01D2257/2027		174
B01D2257/204	9	Inorganic halogen compounds	CPCONLY	B01D2257/204		588
B01D2257/2042	10	Hydrobromic acid	CPCONLY	B01D2257/2042		77
B01D2257/2045	10	Hydrochloric acid	CPCONLY	B01D2257/2045		1547
B01D2257/2047	10	Hydrofluoric acid	CPCONLY	B01D2257/2047		744
B01D2257/206	9	Organic halogen compounds	CPCONLY	B01D2257/206		318
B01D2257/2062	10	Bromine compounds	CPCONLY	B01D2257/2062		57
B01D2257/2064	10	Chlorine	CPCONLY	B01D2257/2064		1118
B01D2257/2066	10	Fluorine	CPCONLY	B01D2257/2066		479
B01D2257/2068	10	Iodine	CPCONLY	B01D2257/2068		79
B01D2257/30	8	Sulfur compounds	CPCONLY	B01D2257/30		1540
B01D2257/302	9	Sulfur oxides	CPCONLY	B01D2257/302		4604
B01D2257/304	9	Hydrogen sulfide	CPCONLY	B01D2257/304		3737
B01D2257/306	9	Organic sulfur compounds, e.g. mercaptans	CPCONLY	B01D2257/306		1455
B01D2257/308	9	Carbonoxysulfide COS	CPCONLY	B01D2257/308		711
B01D2257/40	8	Nitrogen compounds	CPCONLY	B01D2257/40		1749
B01D2257/402	9	Dinitrogen oxide	CPCONLY	B01D2257/402		874
B01D2257/404	9	Nitrogen oxides other than dinitrogen oxide	CPCONLY	B01D2257/404		4510
B01D2257/406	9	Ammonia	CPCONLY	B01D2257/406		2755
B01D2257/408	9	Cyanides, e.g. hydrogen cyanide (HCH)	CPCONLY	B01D2257/408		386
B01D2257/50	8	Carbon oxides	CPCONLY	B01D2257/50		212
B01D2257/502	9	Carbon monoxide	CPCONLY	B01D2257/502		2931
B01D2257/504	9	Carbon dioxide	CPCONLY	B01D2257/504		14928
B01D2257/55	8	Compounds of silicon, phosphorus, germanium or arsenic	CPCONLY	B01D2257/55		337
B01D2257/553	9	Compounds comprising hydrogen, e.g. silanes	CPCONLY	B01D2257/553		217
B01D2257/556	9	Organic compounds	CPCONLY	B01D2257/556		151
B01D2257/60	8	Heavy metals or heavy metal compounds	CPCONLY	B01D2257/60		798
B01D2257/602	9	Mercury or mercury compounds	CPCONLY	B01D2257/602		1910
B01D2257/70	8	Organic compounds not provided for in groups B01D2257/00&#160;-&#160;B01D2257/602	CPCONLY	B01D2257/70		2613
B01D2257/702	9	Hydrocarbons	CPCONLY	B01D2257/702		2516
B01D2257/7022	10	Aliphatic hydrocarbons	CPCONLY	B01D2257/7022		1439
B01D2257/7025	11	Methane	CPCONLY	B01D2257/7025		1161
B01D2257/7027	10	Aromatic hydrocarbons	CPCONLY	B01D2257/7027		2515
B01D2257/704	9	Solvents not covered by groups B01D2257/702&#160;-&#160;B01D2257/7027	CPCONLY	B01D2257/704		1464
B01D2257/706	9	Organometallic compounds	CPCONLY	B01D2257/706		65
B01D2257/708	9	Volatile organic compounds V.O.C.&apos;s	CPCONLY	B01D2257/708		11076
B01D2257/80	8	Water	CPCONLY	B01D2257/80		7240
B01D2257/90	8	Odorous compounds not provided for in groups B01D2257/00&#160;-&#160;B01D2257/708	CPCONLY	B01D2257/90		3001
B01D2257/91	8	Bacteria; Microorganisms	CPCONLY	B01D2257/91		2316
B01D2257/93	8	Toxic compounds not provided for in groups B01D2257/00&#160;-&#160;B01D2257/708	CPCONLY	B01D2257/93		593
B01D2258/00	7	Sources of waste gases	CPCONLY	B01D2258/00		99
B01D2258/01	8	Engine exhaust gases	CPCONLY	B01D2258/01		1788
B01D2258/012	9	Diesel engines and lean burn gasoline engines	CPCONLY	B01D2258/012		2735
B01D2258/014	9	Stoichiometric gasoline engines	CPCONLY	B01D2258/014		381
B01D2258/016	9	Methanol engines	CPCONLY	B01D2258/016		14
B01D2258/018	9	Natural gas engines	CPCONLY	B01D2258/018		212
B01D2258/02	8	Other waste gases	CPCONLY	B01D2258/02		4493
B01D2258/0208	9	from fuel cells	CPCONLY	B01D2258/0208		246
B01D2258/0216	9	from CVD treatment or semi-conductor manufacturing	CPCONLY	B01D2258/0216		1307
B01D2258/0225	9	from chemical or biological warfare	CPCONLY	B01D2258/0225		98
B01D2258/0233	9	from cement factories	CPCONLY	B01D2258/0233		649
B01D2258/0241	9	from glass manufacture plants	CPCONLY	B01D2258/0241		124
B01D2258/025	9	from metallurgy plants	CPCONLY	B01D2258/025		1081
B01D2258/0258	9	from painting equipments or paint drying installations	CPCONLY	B01D2258/0258		788
B01D2258/0266	9	from animal farms	CPCONLY	B01D2258/0266		476
B01D2258/0275	9	from food processing plants or kitchens	CPCONLY	B01D2258/0275		480
B01D2258/0283	9	Flue gases	CPCONLY	B01D2258/0283		19409
B01D2258/0291	10	from waste incineration plants	CPCONLY	B01D2258/0291		951
B01D2258/05	8	Biogas	CPCONLY	B01D2258/05		1156
B01D2258/06	8	Polluted air	CPCONLY	B01D2258/06		9260
B01D2259/00	7	Type of treatment	CPCONLY	B01D2259/00		1
B01D2259/10	8	Gas phase, e.g. by using aerosols	CPCONLY	B01D2259/10		84
B01D2259/12	8	Methods and means for introducing reactants	CPCONLY	B01D2259/12		31
B01D2259/122	9	Gaseous reactants	CPCONLY	B01D2259/122		146
B01D2259/124	9	Liquid reactants	CPCONLY	B01D2259/124		565
B01D2259/126	9	Semi-solid reactants, e.g. slurries	CPCONLY	B01D2259/126		137
B01D2259/128	9	Solid reactants	CPCONLY	B01D2259/128		179
B01D2259/40	8	Further details for adsorption processes and devices	CPCONLY	B01D2259/40		136
B01D2259/40001	9	Methods relating to additional, e.g. intermediate, treatment of process gas	CPCONLY	B01D2259/40001		493
B01D2259/40003	9	Methods relating to valve switching	CPCONLY	B01D2259/40003		693
B01D2259/40005	10	using rotary valves	CPCONLY	B01D2259/40005		282
B01D2259/40007	9	Controlling pressure or temperature swing adsorption	CPCONLY	B01D2259/40007		510
B01D2259/40009	10	using sensors or gas analysers	CPCONLY	B01D2259/40009		524
B01D2259/40011	9	Methods relating to the process cycle in pressure or temperature swing adsorption	CPCONLY	B01D2259/40011		46
B01D2259/40013	10	Pressurization	CPCONLY	B01D2259/40013		102
B01D2259/40015	11	with two sub-steps	CPCONLY	B01D2259/40015		195
B01D2259/40016	11	with three sub-steps	CPCONLY	B01D2259/40016		59
B01D2259/40018	11	with more than three sub-steps	CPCONLY	B01D2259/40018		26
B01D2259/4002	10	Production	CPCONLY	B01D2259/4002		24
B01D2259/40022	11	with two sub-steps	CPCONLY	B01D2259/40022		127
B01D2259/40024	11	with three sub-steps	CPCONLY	B01D2259/40024		36
B01D2259/40026	11	with more than three sub-steps	CPCONLY	B01D2259/40026		20
B01D2259/40028	10	Depressurization	CPCONLY	B01D2259/40028		120
B01D2259/4003	11	with two sub-steps	CPCONLY	B01D2259/4003		283
B01D2259/40032	11	with three sub-steps	CPCONLY	B01D2259/40032		135
B01D2259/40033	11	with more than three sub-steps	CPCONLY	B01D2259/40033		58
B01D2259/40035	10	Equalization	CPCONLY	B01D2259/40035		74
B01D2259/40037	11	with two sub-steps	CPCONLY	B01D2259/40037		225
B01D2259/40039	11	with three sub-steps	CPCONLY	B01D2259/40039		34
B01D2259/40041	11	with more than three sub-steps	CPCONLY	B01D2259/40041		105
B01D2259/40043	10	Purging	CPCONLY	B01D2259/40043		162
B01D2259/40045	11	with two sub-steps	CPCONLY	B01D2259/40045		89
B01D2259/40047	11	with three sub-steps	CPCONLY	B01D2259/40047		23
B01D2259/40049	11	with more than three sub-steps	CPCONLY	B01D2259/40049		16
B01D2259/4005	11	Nature of purge gas	CPCONLY	B01D2259/4005		49
B01D2259/40052	12	Recycled product or process gas	CPCONLY	B01D2259/40052		694
B01D2259/40054	13	treated before its reuse	CPCONLY	B01D2259/40054		65
B01D2259/40056	12	Gases other than recycled product or process gas	CPCONLY	B01D2259/40056		245
B01D2259/40058	10	Number of sequence steps, including sub-steps, per cycle	CPCONLY	B01D2259/40058		4
B01D2259/4006	11	Less than four	CPCONLY	B01D2259/4006		144
B01D2259/40062	11	Four	CPCONLY	B01D2259/40062		209
B01D2259/40064	11	Five	CPCONLY	B01D2259/40064		205
B01D2259/40066	11	Six	CPCONLY	B01D2259/40066		179
B01D2259/40067	11	Seven	CPCONLY	B01D2259/40067		128
B01D2259/40069	11	Eight	CPCONLY	B01D2259/40069		108
B01D2259/40071	11	Nine	CPCONLY	B01D2259/40071		82
B01D2259/40073	11	Ten	CPCONLY	B01D2259/40073		61
B01D2259/40075	11	More than ten	CPCONLY	B01D2259/40075		133
B01D2259/40077	10	Direction of flow	CPCONLY	B01D2259/40077		22
B01D2259/40079	11	Co-current	CPCONLY	B01D2259/40079		135
B01D2259/40081	11	Counter-current	CPCONLY	B01D2259/40081		742
B01D2259/40083	9	Regeneration of adsorbents in processes other than pressure or temperature swing adsorption	CPCONLY	B01D2259/40083		790
B01D2259/40084	10	by exchanging used adsorbents with fresh adsorbents	CPCONLY	B01D2259/40084		796
B01D2259/40086	10	by using a purge gas (B01D2259/4009 takes precedence)	CPCONLY	B01D2259/40086		1236
B01D2259/40088	10	by heating	CPCONLY	B01D2259/40088		1267
B01D2259/4009	11	using hot gas	CPCONLY	B01D2259/4009		2905
B01D2259/40092	11	using hot liquid	CPCONLY	B01D2259/40092		139
B01D2259/40094	11	by applying microwaves	CPCONLY	B01D2259/40094		176
B01D2259/40096	11	by using electrical resistance heating	CPCONLY	B01D2259/40096		472
B01D2259/40098	11	with other heating means	CPCONLY	B01D2259/40098		259
B01D2259/401	9	using a single bed	CPCONLY	B01D2259/401		360
B01D2259/402	9	using two beds	CPCONLY	B01D2259/402		2278
B01D2259/403	9	using three beds	CPCONLY	B01D2259/403		698
B01D2259/404	9	using four beds	CPCONLY	B01D2259/404		556
B01D2259/406	9	using more than four beds	CPCONLY	B01D2259/406		52
B01D2259/4061	10	using five beds	CPCONLY	B01D2259/4061		124
B01D2259/4062	10	using six beds	CPCONLY	B01D2259/4062		141
B01D2259/4063	10	using seven beds	CPCONLY	B01D2259/4063		40
B01D2259/4065	10	using eight beds	CPCONLY	B01D2259/4065		55
B01D2259/4066	10	using nine beds	CPCONLY	B01D2259/4066		24
B01D2259/4067	10	using ten beds	CPCONLY	B01D2259/4067		59
B01D2259/4068	10	using more than ten beds	CPCONLY	B01D2259/4068		94
B01D2259/41	9	using plural beds of the same adsorbent in series	CPCONLY	B01D2259/41		417
B01D2259/414	9	using different types of adsorbents	CPCONLY	B01D2259/414		148
B01D2259/4141	10	within a single bed	CPCONLY	B01D2259/4141		33
B01D2259/4143	11	arranged as a mixture	CPCONLY	B01D2259/4143		86
B01D2259/4145	11	arranged in series	CPCONLY	B01D2259/4145		270
B01D2259/4146	12	Contiguous multilayered adsorbents	CPCONLY	B01D2259/4146		429
B01D2259/4148	12	Multiple layers positioned apart from each other	CPCONLY	B01D2259/4148		146
B01D2259/416	9	involving cryogenic temperature treatment	CPCONLY	B01D2259/416		365
B01D2259/418	9	deleted	CPCONLY	B01D2259/418		
B01D2259/45	8	Gas separation or purification devices adapted for specific applications	CPCONLY	B01D2259/45		119
B01D2259/4508	9	for cleaning air in buildings	CPCONLY	B01D2259/4508		1786
B01D2259/4516	9	for fuel vapour recovery systems	CPCONLY	B01D2259/4516		604
B01D2259/4525	9	for storage and dispensing systems	CPCONLY	B01D2259/4525		354
B01D2259/4533	9	for medical purposes	CPCONLY	B01D2259/4533		874
B01D2259/4541	9	for portable use, e.g. gas masks	CPCONLY	B01D2259/4541		562
B01D2259/455	9	for transportable use	CPCONLY	B01D2259/455		432
B01D2259/4558	10	for being employed as mobile cleaners for ambient air, i.e. the earth&apos;s atmosphere	CPCONLY	B01D2259/4558		250
B01D2259/4566	9	for use in transportation means	CPCONLY	B01D2259/4566		1623
B01D2259/4575	10	in aeroplanes or space ships	CPCONLY	B01D2259/4575		432
B01D2259/4583	9	for removing chemical, biological and nuclear warfare agents	CPCONLY	B01D2259/4583		141
B01D2259/4591	9	Construction elements containing cleaning material, e.g. catalysts	CPCONLY	B01D2259/4591		132
B01D2259/65	8	Employing advanced heat integration, e.g. Pinch technology	CPCONLY	B01D2259/65		438
B01D2259/652	9	using side coolers	CPCONLY	B01D2259/652		77
B01D2259/655	9	using heat storage materials	CPCONLY	B01D2259/655		72
B01D2259/657	10	using latent heat, e.g. with phase change materials	CPCONLY	B01D2259/657		57
B01D2259/80	8	Employing electric, magnetic, electromagnetic or wave energy, or particle radiation	CPCONLY	B01D2259/80		465
B01D2259/802	9	Visible light	CPCONLY	B01D2259/802		543
B01D2259/804	9	UV light	CPCONLY	B01D2259/804		3657
B01D2259/806	9	Microwaves	CPCONLY	B01D2259/806		350
B01D2259/808	9	Laser	CPCONLY	B01D2259/808		35
B01D2259/81	9	X-rays	CPCONLY	B01D2259/81		61
B01D2259/812	9	Electrons	CPCONLY	B01D2259/812		196
B01D2259/814	9	Magnetic fields	CPCONLY	B01D2259/814		158
B01D2259/816	9	Sonic or ultrasonic vibration	CPCONLY	B01D2259/816		159
B01D2259/818	9	Employing electrical discharges or the generation of a plasma	CPCONLY	B01D2259/818		2829
B01D2265/00	7	Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours	CPCONLY	B01D2265/00		26
B01D2265/02	8	Non-permanent measures for connecting different parts of the filter	CPCONLY	B01D2265/02		307
B01D2265/021	9	Anti-rotational means	CPCONLY	B01D2265/021		154
B01D2265/022	9	Bayonet connecting means	CPCONLY	B01D2265/022		199
B01D2265/023	9	making use of magnetic forces	CPCONLY	B01D2265/023		129
B01D2265/024	9	Mounting aids	CPCONLY	B01D2265/024		242
B01D2265/025	10	making use of ramps or cams	CPCONLY	B01D2265/025		236
B01D2265/026	10	with means for avoiding false mounting	CPCONLY	B01D2265/026		266
B01D2265/027	9	Quick closing means for, e.g. filter heads, caps, maintenance openings	CPCONLY	B01D2265/027		131
B01D2265/028	9	Snap, latch or clip connecting means	CPCONLY	B01D2265/028		825
B01D2265/029	9	Special screwing connections, threaded sections	CPCONLY	B01D2265/029		167
B01D2265/04	8	Permanent measures for connecting different parts of the filter, e.g. welding, glueing or moulding	CPCONLY	B01D2265/04		575
B01D2265/05	9	Special adapters for the connection of filters or parts of filters	CPCONLY	B01D2265/05		148
B01D2265/06	8	Details of supporting structures for filtering material, e.g. cores	CPCONLY	B01D2265/06		1188
B01D2267/00	7	Multiple filter elements specially adapted for separating dispersed particles from gases or vapours	CPCONLY	B01D2267/00		13
B01D2267/30	8	Same type of filters	CPCONLY	B01D2267/30		353
B01D2267/40	8	Different types of filters	CPCONLY	B01D2267/40		805
B01D2267/60	8	Vertical arrangement	CPCONLY	B01D2267/60		156
B01D2267/70	8	Horizontal arrangement	CPCONLY	B01D2267/70		182
B01D2271/00	7	Sealings for filters specially adapted for separating dispersed particles from gases or vapours	CPCONLY	B01D2271/00		18
B01D2271/02	8	Gaskets, sealings	CPCONLY	B01D2271/02		991
B01D2271/022	9	Axial sealings	CPCONLY	B01D2271/022		601
B01D2271/025	9	Making of sealings	CPCONLY	B01D2271/025		110
B01D2271/027	9	Radial sealings	CPCONLY	B01D2271/027		644
B01D2273/00	7	Operation of filters specially adapted for separating dispersed particles from gases or vapours	CPCONLY	B01D2273/00		10
B01D2273/10	8	Allowing a continuous bypass of at least part of the flow, e.g. of secondary air, vents	CPCONLY	B01D2273/10		134
B01D2273/12	8	Influencing the filter cake during filtration using filter aids	CPCONLY	B01D2273/12		123
B01D2273/14	8	Filters which are moved between two or more positions, e.g. by turning, pushing	CPCONLY	B01D2273/14		206
B01D2273/16	8	Means for selecting a filter element of a group of filters for a special purpose other than cleaning a filter	CPCONLY	B01D2273/16		51
B01D2273/18	8	Testing of filters, filter elements, sealings	CPCONLY	B01D2273/18		293
B01D2273/20	8	High temperature filtration	CPCONLY	B01D2273/20		426
B01D2273/22	8	Making use of microwaves, e.g. for measurements	CPCONLY	B01D2273/22		31
B01D2273/24	8	Making use of acoustic waves, e.g. for measurements	CPCONLY	B01D2273/24		48
B01D2273/26	8	Making use of optical waves, e.g. for measurements	CPCONLY	B01D2273/26		53
B01D2273/28	8	Making use of vacuum or underpressure	CPCONLY	B01D2273/28		333
B01D2273/30	8	Means for generating a circulation of a fluid in a filtration system, e.g. using a pump or a fan	CPCONLY	B01D2273/30		1683
B01D2275/00	7	Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours	CPCONLY	B01D2275/00		12
B01D2275/10	8	Multiple layers	CPCONLY	B01D2275/10		1004
B01D2275/105	9	Wound layers	CPCONLY	B01D2275/105		134
B01D2275/20	8	Shape of filtering material	CPCONLY	B01D2275/20		67
B01D2275/201	9	Conical shape	CPCONLY	B01D2275/201		458
B01D2275/202	9	Disc-shaped filter elements	CPCONLY	B01D2275/202		68
B01D2275/203	9	Shapes flexible in their geometry, e.g. bendable, adjustable to a certain size	CPCONLY	B01D2275/203		316
B01D2275/204	9	Special shapes of loose filter materials	CPCONLY	B01D2275/204		17
B01D2275/205	9	Rectangular shape	CPCONLY	B01D2275/205		112
B01D2275/206	9	Special forms, e.g. adapted to a certain housing	CPCONLY	B01D2275/206		462
B01D2275/207	9	Triangular shape	CPCONLY	B01D2275/207		32
B01D2275/208	9	Oval shape	CPCONLY	B01D2275/208		200
B01D2275/30	8	Porosity of filtering material	CPCONLY	B01D2275/30		186
B01D2275/302	9	Means for changing the porosity of a filter element, e.g. adjustment of a slit width, compression of a foam material	CPCONLY	B01D2275/302		25
B01D2275/305	9	Porosity decreasing in flow direction	CPCONLY	B01D2275/305		77
B01D2275/307	9	Porosity increasing in flow direction	CPCONLY	B01D2275/307		25
B01D2275/40	8	Porous blocks	CPCONLY	B01D2275/40		70
B01D2275/403	9	Flexible blocks	CPCONLY	B01D2275/403		47
B01D2275/406	9	Rigid blocks	CPCONLY	B01D2275/406		24
B01D2275/50	8	Stabilised filter material, stabilised by, e.g. structuring, calendering	CPCONLY	B01D2275/50		48
B01D2277/00	7	Filters specially adapted for separating dispersed particles from gases or vapours characterised by the position of the filter in relation to the gas stream	CPCONLY	B01D2277/00		1
B01D2277/10	8	Parallel	CPCONLY	B01D2277/10		29
B01D2277/20	8	Inclined, i.e. forming an angle of between 0&#176; and 90&#176;	CPCONLY	B01D2277/20		137
B01D2277/30	8	Transverse, i.e. forming an angle of 90&#176;	CPCONLY	B01D2277/30		37
B01D2279/00	7	Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses	CPCONLY	B01D2279/00		69
B01D2279/10	8	for air bags, e.g. inflators therefor	CPCONLY	B01D2279/10		101
B01D2279/20	8	for collecting heterogeneous particles separately	CPCONLY	B01D2279/20		9
B01D2279/30	8	for treatment of exhaust gases from IC Engines	CPCONLY	B01D2279/30		1302
B01D2279/35	8	for venting arrangements	CPCONLY	B01D2279/35		412
B01D2279/40	8	for cleaning of environmental air, e.g. by filters installed on vehicles or on streets	CPCONLY	B01D2279/40		643
B01D2279/45	8	for electronic devices, e.g. computers, hard-discs, mobile phones	CPCONLY	B01D2279/45		307
B01D2279/50	8	for air conditioning	CPCONLY	B01D2279/50		947
B01D2279/51	9	in clean rooms, e.g. production facilities for electronic devices, laboratories	CPCONLY	B01D2279/51		280
B01D2279/55	8	for cleaning appliances, e.g. suction cleaners	CPCONLY	B01D2279/55		510
B01D2279/60	8	for the intake of internal combustion engines or turbines	CPCONLY	B01D2279/60		1153
B01D2279/65	8	for the sterilisation of air	CPCONLY	B01D2279/65		425
B01D2311/00	7	Details relating to membrane separation process operations and control<br><br><u>NOTE</u><br><br>In this group, C-sets are used for classification. The detailed information about the C-Sets construction and the associated syntax rules are found in the definitions of B01D.	CPCONLY	B01D2311/00		22
B01D2311/02	8	Specific process operations before starting the membrane separation process	CPCONLY	B01D2311/02		144
B01D2311/04	8	Specific process operations in the feed stream; Feed pretreatment	CPCONLY	B01D2311/04		2494
B01D2311/06	8	Specific process operations in the permeate stream	CPCONLY	B01D2311/06		818
B01D2311/08	8	Specific process operations in the concentrate stream	CPCONLY	B01D2311/08		615
B01D2311/10	8	Temperature control	CPCONLY	B01D2311/10		251
B01D2311/103	9	Heating	CPCONLY	B01D2311/103		273
B01D2311/1031	10	Heat integration, heat recovery or reuse within an apparatus	CPCONLY	B01D2311/1031		62
B01D2311/1032	10	Heating or reheating between serial separation steps	CPCONLY	B01D2311/1032		27
B01D2311/106	9	Cooling	CPCONLY	B01D2311/106		131
B01D2311/1061	10	Cooling between serial separation steps	CPCONLY	B01D2311/1061		19
B01D2311/12	8	Addition of chemical agents	CPCONLY	B01D2311/12		750
B01D2311/13	8	Use of sweep gas	CPCONLY	B01D2311/13		175
B01D2311/14	8	Pressure control	CPCONLY	B01D2311/14		734
B01D2311/16	8	Flow or flux control	CPCONLY	B01D2311/16		489
B01D2311/165	9	Cross-flow velocity control	CPCONLY	B01D2311/165		76
B01D2311/18	8	pH control	CPCONLY	B01D2311/18		566
B01D2311/20	8	Power consumption	CPCONLY	B01D2311/20		57
B01D2311/22	8	characterised by a specific duration or time	CPCONLY	B01D2311/22		37
B01D2311/24	8	Quality control	CPCONLY	B01D2311/24		135
B01D2311/243	9	Electrical conductivity control	CPCONLY	B01D2311/243		132
B01D2311/246	9	Concentration control	CPCONLY	B01D2311/246		202
B01D2311/25	8	Recirculation, recycling or bypass, e.g. recirculation of concentrate into the feed	CPCONLY	B01D2311/25		412
B01D2311/251	9	Recirculation of permeate	CPCONLY	B01D2311/251		59
B01D2311/2512	10	to feed side	CPCONLY	B01D2311/2512		161
B01D2311/2513	10	to concentrate side	CPCONLY	B01D2311/2513		21
B01D2311/252	9	Recirculation of concentrate	CPCONLY	B01D2311/252		72
B01D2311/2521	10	to permeate side	CPCONLY	B01D2311/2521		29
B01D2311/2523	10	to feed side	CPCONLY	B01D2311/2523		312
B01D2311/253	9	Bypassing of feed	CPCONLY	B01D2311/253		23
B01D2311/2531	10	to permeate side	CPCONLY	B01D2311/2531		23
B01D2311/2532	10	to concentrate side	CPCONLY	B01D2311/2532		11
B01D2311/26	8	Further operations combined with membrane separation processes	CPCONLY	B01D2311/26		131
B01D2311/2603	9	Application of an electric field, different from the potential difference across the membrane	CPCONLY	B01D2311/2603		108
B01D2311/2607	9	Application of a magnetic field	CPCONLY	B01D2311/2607		56
B01D2311/2611	9	Irradiation	CPCONLY	B01D2311/2611		32
B01D2311/2615	10	Application of high-frequency electromagnetic fields or microwave irradiation	CPCONLY	B01D2311/2615		19
B01D2311/2619	10	UV-irradiation	CPCONLY	B01D2311/2619		161
B01D2311/2623	9	Ion-Exchange	CPCONLY	B01D2311/2623		436
B01D2311/2626	9	Absorption or adsorption	CPCONLY	B01D2311/2626		724
B01D2311/263	9	Chemical reaction	CPCONLY	B01D2311/263		137
B01D2311/2634	10	Oxidation	CPCONLY	B01D2311/2634		73
B01D2311/2638	10	Reduction	CPCONLY	B01D2311/2638		21
B01D2311/2642	9	Aggregation, sedimentation, flocculation, precipitation or coagulation	CPCONLY	B01D2311/2642		570
B01D2311/2643	9	Crystallisation	CPCONLY	B01D2311/2643		98
B01D2311/2646	9	Decantation	CPCONLY	B01D2311/2646		66
B01D2311/2649	9	Filtration	CPCONLY	B01D2311/2649		840
B01D2311/2653	9	Degassing	CPCONLY	B01D2311/2653		103
B01D2311/2657	10	Deaeration	CPCONLY	B01D2311/2657		36
B01D2311/2661	9	Addition of gas	CPCONLY	B01D2311/2661		122
B01D2311/2665	10	Aeration other than for cleaning purposes	CPCONLY	B01D2311/2665		65
B01D2311/2669	9	Distillation	CPCONLY	B01D2311/2669		210
B01D2311/2673	9	Evaporation	CPCONLY	B01D2311/2673		233
B01D2311/2674	9	Condensation	CPCONLY	B01D2311/2674		32
B01D2311/2676	9	Centrifugal separation	CPCONLY	B01D2311/2676		215
B01D2311/268	9	Water softening	CPCONLY	B01D2311/268		83
B01D2311/2684	9	Electrochemical processes	CPCONLY	B01D2311/2684		162
B01D2311/2688	9	Biological processes	CPCONLY	B01D2311/2688		355
B01D2311/2692	9	Sterilization	CPCONLY	B01D2311/2692		140
B01D2311/2696	9	Catalytic reactions	CPCONLY	B01D2311/2696		78
B01D2311/2697	9	Chromatography	CPCONLY	B01D2311/2697		57
B01D2311/2698	9	Compression	CPCONLY	B01D2311/2698		15
B01D2311/2699	9	Drying	CPCONLY	B01D2311/2699		51
B01D2313/00	7	Details relating to membrane modules or apparatus	CPCONLY	B01D2313/00		24
B01D2313/02	8	Specific tightening or locking mechanisms	CPCONLY	B01D2313/02		436
B01D2313/025	9	Specific membrane holders	CPCONLY	B01D2313/025		402
B01D2313/04	8	Specific sealing means	CPCONLY	B01D2313/04		421
B01D2313/041	9	Gaskets or O-rings	CPCONLY	B01D2313/041		456
B01D2313/042	9	Adhesives or glues	CPCONLY	B01D2313/042		319
B01D2313/06	8	External membrane module supporting or fixing means	CPCONLY	B01D2313/06		534
B01D2313/08	8	Flow guidance means within the module or the apparatus	CPCONLY	B01D2313/08		789
B01D2313/083	9	Bypass routes	CPCONLY	B01D2313/083		151
B01D2313/086	9	Meandering flow path over the membrane	CPCONLY	B01D2313/086		149
B01D2313/10	8	Specific supply elements	CPCONLY	B01D2313/10		539
B01D2313/105	9	Supply manifolds	CPCONLY	B01D2313/105		233
B01D2313/12	8	Specific discharge elements	CPCONLY	B01D2313/12		543
B01D2313/125	9	Discharge manifolds	CPCONLY	B01D2313/125		232
B01D2313/13	8	Specific connectors	CPCONLY	B01D2313/13		280
B01D2313/131	9	Quick connectors or quick-fit	CPCONLY	B01D2313/131		42
B01D2313/14	8	Specific spacers	CPCONLY	B01D2313/14		480
B01D2313/143	9	on the feed side	CPCONLY	B01D2313/143		284
B01D2313/146	9	on the permeate side	CPCONLY	B01D2313/146		288
B01D2313/16	8	Specific vents	CPCONLY	B01D2313/16		153
B01D2313/18	8	Specific valves	CPCONLY	B01D2313/18		896
B01D2313/19	8	Specific flow restrictors	CPCONLY	B01D2313/19		132
B01D2313/20	8	Specific housing	CPCONLY	B01D2313/20		284
B01D2313/201	9	Closed housing, vessels or containers	CPCONLY	B01D2313/201		232
B01D2313/2011	10	Pressure vessels	CPCONLY	B01D2313/2011		140
B01D2313/203	9	Open housings	CPCONLY	B01D2313/203		52
B01D2313/2031	10	Frame or cage-like structures	CPCONLY	B01D2313/2031		132
B01D2313/205	9	characterised by the shape	CPCONLY	B01D2313/205		211
B01D2313/206	9	characterised by the material	CPCONLY	B01D2313/206		54
B01D2313/2061	10	Organic, e.g. polymeric material	CPCONLY	B01D2313/2061		83
B01D2313/2062	10	Inorganic material	CPCONLY	B01D2313/2062		53
B01D2313/208	9	Resilient or flexible housing walls, e.g. bags or foils	CPCONLY	B01D2313/208		34
B01D2313/21	8	Specific headers, end caps	CPCONLY	B01D2313/21		770
B01D2313/22	8	Cooling or heating elements	CPCONLY	B01D2313/22		188
B01D2313/221	9	Heat exchangers	CPCONLY	B01D2313/221		468
B01D2313/23	8	Specific membrane protectors, e.g. sleeves or screens	CPCONLY	B01D2313/23		258
B01D2313/24	8	Specific pressurizing or depressurizing means	CPCONLY	B01D2313/24		328
B01D2313/243	9	Pumps	CPCONLY	B01D2313/243		708
B01D2313/246	9	Energy recovery means	CPCONLY	B01D2313/246		296
B01D2313/26	8	Specific gas distributors or gas intakes	CPCONLY	B01D2313/26		342
B01D2313/28	8	Specific concentration chambers	CPCONLY	B01D2313/28		38
B01D2313/30	8	Specific dilution or de-ionizing chambers	CPCONLY	B01D2313/30		37
B01D2313/32	8	Intermediate chambers	CPCONLY	B01D2313/32		40
B01D2313/34	8	Energy carriers	CPCONLY	B01D2313/34		25
B01D2313/345	9	Electrodes	CPCONLY	B01D2313/345		238
B01D2313/36	8	Energy sources	CPCONLY	B01D2313/36		45
B01D2313/365	9	Electrical sources	CPCONLY	B01D2313/365		104
B01D2313/367	9	Renewable energy sources, e.g. wind or solar sources	CPCONLY	B01D2313/367		181
B01D2313/40	8	Adsorbents within the flow path	CPCONLY	B01D2313/40		170
B01D2313/42	8	Catalysts within the flow path	CPCONLY	B01D2313/42		185
B01D2313/44	8	Cartridge types	CPCONLY	B01D2313/44		497
B01D2313/46	8	Supply, recovery or discharge mechanisms of washing members	CPCONLY	B01D2313/46		81
B01D2313/48	8	Mechanisms for switching between regular separation operations and washing	CPCONLY	B01D2313/48		137
B01D2313/50	8	Specific extra tanks	CPCONLY	B01D2313/50		187
B01D2313/501	9	Permeate storage tanks	CPCONLY	B01D2313/501		211
B01D2313/502	9	Concentrate storage tanks	CPCONLY	B01D2313/502		85
B01D2313/54	8	Modularity of membrane module elements	CPCONLY	B01D2313/54		224
B01D2313/56	8	Specific mechanisms for loading the membrane in a module	CPCONLY	B01D2313/56		87
B01D2313/57	8	Tools used for removal of membranes	CPCONLY	B01D2313/57		41
B01D2313/58	8	Parts of membrane modules specifically adapted for single use	CPCONLY	B01D2313/58		69
B01D2313/60	8	Specific sensors or sensor arrangements	CPCONLY	B01D2313/60		259
B01D2313/62	8	Displays	CPCONLY	B01D2313/62		29
B01D2313/64	8	Bar codes; Data storage means; RFID	CPCONLY	B01D2313/64		10
B01D2313/66	8	Biodegradability of parts of the module	CPCONLY	B01D2313/66		11
B01D2313/68	8	Biocompatibility of parts of the module	CPCONLY	B01D2313/68		25
B01D2313/70	8	Control means using a programmable logic controller [PLC] or a computer	CPCONLY	B01D2313/70		145
B01D2313/701	9	comprising a software program or a logic diagram	CPCONLY	B01D2313/701		110
B01D2313/702	9	comprising telecommunication features, e.g. modems or antennas	CPCONLY	B01D2313/702		32
B01D2313/90	8	Additional auxiliary systems integrated with the module or apparatus	CPCONLY	B01D2313/90		88
B01D2313/901	9	Integrated prefilter	CPCONLY	B01D2313/901		82
B01D2313/902	9	Integrated cleaning device	CPCONLY	B01D2313/902		41
B01D2313/903	9	Integrated control or detection device	CPCONLY	B01D2313/903		236
B01D2315/00	7	Details relating to the membrane module operation	CPCONLY	B01D2315/00		3
B01D2315/02	8	Rotation or turning	CPCONLY	B01D2315/02		282
B01D2315/04	8	Reciprocation, oscillation or vibration	CPCONLY	B01D2315/04		117
B01D2315/05	8	Moving the membrane in one direction, e.g. displacement, translational movement	CPCONLY	B01D2315/05		10
B01D2315/06	8	Submerged-type; Immersion type	CPCONLY	B01D2315/06		1095
B01D2315/08	8	Fully permeating type; Dead-end filtration	CPCONLY	B01D2315/08		159
B01D2315/10	8	Cross-flow filtration	CPCONLY	B01D2315/10		654
B01D2315/12	8	Feed-and-bleed systems	CPCONLY	B01D2315/12		72
B01D2315/14	8	Batch-systems	CPCONLY	B01D2315/14		77
B01D2315/16	8	Diafiltration	CPCONLY	B01D2315/16		280
B01D2315/17	8	Depth filtration, asymmetric membranes arranged with wider pore size side towards feed	CPCONLY	B01D2315/17		19
B01D2315/18	8	Time sequence of one or more process steps carried out periodically within one apparatus	CPCONLY	B01D2315/18		38
B01D2315/20	8	Operation control schemes defined by a periodically repeated sequence comprising filtration cycles combined with cleaning or gas supply, e.g. aeration	CPCONLY	B01D2315/20		115
B01D2315/22	8	Membrane contactor	CPCONLY	B01D2315/22		211
B01D2315/24	8	Counter-current operation	CPCONLY	B01D2315/24		40
B01D2317/00	7	Membrane module arrangements within a plant or an apparatus	CPCONLY	B01D2317/00		12
B01D2317/02	8	Elements in series	CPCONLY	B01D2317/02		301
B01D2317/022	9	Reject series	CPCONLY	B01D2317/022		475
B01D2317/025	9	Permeate series	CPCONLY	B01D2317/025		505
B01D2317/027	9	Christmas tree arrangements	CPCONLY	B01D2317/027		47
B01D2317/04	8	Elements in parallel	CPCONLY	B01D2317/04		562
B01D2317/06	8	Use of membrane modules of the same kind	CPCONLY	B01D2317/06		222
B01D2317/08	8	Use of membrane modules of different kinds	CPCONLY	B01D2317/08		203
B01D2319/00	7	Membrane assemblies within one housing	CPCONLY	B01D2319/00		9
B01D2319/02	8	Elements in series	CPCONLY	B01D2319/02		117
B01D2319/022	9	Reject series	CPCONLY	B01D2319/022		125
B01D2319/025	9	Permeate series	CPCONLY	B01D2319/025		90
B01D2319/027	9	Christmas tree arrangements	CPCONLY	B01D2319/027		
B01D2319/04	8	Elements in parallel	CPCONLY	B01D2319/04		400
B01D2319/06	8	Use of membranes of different materials or properties within one module	CPCONLY	B01D2319/06		207
B01D2321/00	7	Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling	CPCONLY	B01D2321/00		38
B01D2321/02	8	Forward flushing	CPCONLY	B01D2321/02		502
B01D2321/04	8	Backflushing	CPCONLY	B01D2321/04		1903
B01D2321/06	8	Use of osmotic pressure, e.g. direct osmosis	CPCONLY	B01D2321/06		53
B01D2321/08	8	Use of hot water or water vapor	CPCONLY	B01D2321/08		124
B01D2321/10	8	Use of feed	CPCONLY	B01D2321/10		137
B01D2321/12	8	Use of permeate	CPCONLY	B01D2321/12		254
B01D2321/14	8	Use of concentrate	CPCONLY	B01D2321/14		35
B01D2321/16	8	Use of chemical agents	CPCONLY	B01D2321/16		532
B01D2321/162	9	Use of acids	CPCONLY	B01D2321/162		686
B01D2321/164	9	Use of bases	CPCONLY	B01D2321/164		530
B01D2321/166	9	Use of enzymatic agents	CPCONLY	B01D2321/166		82
B01D2321/167	9	Use of scale inhibitors	CPCONLY	B01D2321/167		129
B01D2321/168	9	Use of other chemical agents	CPCONLY	B01D2321/168		967
B01D2321/18	8	Use of gases	CPCONLY	B01D2321/18		553
B01D2321/185	9	Aeration	CPCONLY	B01D2321/185		864
B01D2321/20	8	By influencing the flow	CPCONLY	B01D2321/20		80
B01D2321/2008	9	statically	CPCONLY	B01D2321/2008		89
B01D2321/2016	10	Static mixers; Turbulence generators	CPCONLY	B01D2321/2016		195
B01D2321/2025	10	Tangential inlet	CPCONLY	B01D2321/2025		54
B01D2321/2033	9	dynamically	CPCONLY	B01D2321/2033		112
B01D2321/2041	10	Mixers; Agitators	CPCONLY	B01D2321/2041		110
B01D2321/205	10	Integrated pumps	CPCONLY	B01D2321/205		32
B01D2321/2058	10	by vibration of the membrane, e.g. with an actuator	CPCONLY	B01D2321/2058		265
B01D2321/2066	9	Pulsated flow	CPCONLY	B01D2321/2066		268
B01D2321/2075	10	Ultrasonic treatment	CPCONLY	B01D2321/2075		203
B01D2321/2083	9	By reversing the flow	CPCONLY	B01D2321/2083		181
B01D2321/22	8	Electrical effects	CPCONLY	B01D2321/22		153
B01D2321/223	9	Polarity reversal	CPCONLY	B01D2321/223		68
B01D2321/226	9	Interruption of electric currents	CPCONLY	B01D2321/226		12
B01D2321/24	8	Magnetic effects	CPCONLY	B01D2321/24		32
B01D2321/26	8	By suction	CPCONLY	B01D2321/26		52
B01D2321/28	8	by soaking or impregnating	CPCONLY	B01D2321/28		120
B01D2321/281	8	by applying a special coating to the membrane or to any module element	CPCONLY	B01D2321/281		79
B01D2321/282	8	by spray flush or jet flush	CPCONLY	B01D2321/282		51
B01D2321/30	8	Mechanical cleaning, e.g. with brushes or scrapers	CPCONLY	B01D2321/30		433
B01D2321/32	8	By heating or pyrolysis	CPCONLY	B01D2321/32		77
B01D2321/34	8	by radiation	CPCONLY	B01D2321/34		55
B01D2321/343	9	By UV radiation	CPCONLY	B01D2321/343		62
B01D2321/346	9	by gamma radiation	CPCONLY	B01D2321/346		29
B01D2321/35	8	with acoustic waves	CPCONLY	B01D2321/35		27
B01D2321/40	8	Automatic control of cleaning processes	CPCONLY	B01D2321/40		392
B01D2321/42	8	Chemical regeneration	CPCONLY	B01D2321/42		44
B01D2321/44	8	Specific cleaning apparatus	CPCONLY	B01D2321/44		81
B01D2323/00	7	Details relating to membrane preparation	CPCONLY	B01D2323/00		17
B01D2323/02	8	Hydrophilization	CPCONLY	B01D2323/02		999
B01D2323/04	8	Hydrophobization	CPCONLY	B01D2323/04		292
B01D2323/06	8	Specific viscosities of materials involved	CPCONLY	B01D2323/06		187
B01D2323/08	8	Specific temperatures applied	CPCONLY	B01D2323/08		518
B01D2323/081	9	Heating	CPCONLY	B01D2323/081		1022
B01D2323/082	9	Cooling	CPCONLY	B01D2323/082		203
B01D2323/10	8	Specific pressure applied	CPCONLY	B01D2323/10		242
B01D2323/12	8	Specific ratios of components used	CPCONLY	B01D2323/12		1990
B01D2323/14	8	Ageing features	CPCONLY	B01D2323/14		62
B01D2323/15	8	Use of additives	CPCONLY	B01D2323/15		28
B01D2323/16	9	Swelling agents	CPCONLY	B01D2323/16		88
B01D2323/18	9	Pore-control agents or pore formers	CPCONLY	B01D2323/18		405
B01D2323/20	9	Plasticizers	CPCONLY	B01D2323/20		132
B01D2323/21	9	Fillers	CPCONLY	B01D2323/21		150
B01D2323/216	9	Surfactants	CPCONLY	B01D2323/216		82
B01D2323/217	9	Emulgator or emulsion/foam forming agents	CPCONLY	B01D2323/217		20
B01D2323/218	9	Additive materials	CPCONLY	B01D2323/218		28
B01D2323/2181	10	Inorganic additives	CPCONLY	B01D2323/2181		65
B01D2323/21811	11	Metals	CPCONLY	B01D2323/21811		56
B01D2323/21813	11	Metal oxides	CPCONLY	B01D2323/21813		72
B01D2323/21815	11	Acids	CPCONLY	B01D2323/21815		21
B01D2323/21817	11	Salts	CPCONLY	B01D2323/21817		112
B01D2323/21819	11	Carbon, carbon nanotubes, graphene or derivatives thereof	CPCONLY	B01D2323/21819		37
B01D2323/2182	10	Organic additives	CPCONLY	B01D2323/2182		93
B01D2323/21821	11	Alkanes	CPCONLY	B01D2323/21821		8
B01D2323/21822	11	Alkenes	CPCONLY	B01D2323/21822		1
B01D2323/21823	11	Alcohols or hydroxydes, e.g. ethanol, glycerol or phenol	CPCONLY	B01D2323/21823		52
B01D2323/21824	11	Aldehydes	CPCONLY	B01D2323/21824		5
B01D2323/21825	11	Ketones	CPCONLY	B01D2323/21825		15
B01D2323/21826	11	Acids, e.g. acetic acid	CPCONLY	B01D2323/21826		48
B01D2323/21827	11	Salts	CPCONLY	B01D2323/21827		48
B01D2323/21828	12	Ammonium Salts	CPCONLY	B01D2323/21828		23
B01D2323/21829	11	Acrylates	CPCONLY	B01D2323/21829		13
B01D2323/2183	11	Ethers	CPCONLY	B01D2323/2183		23
B01D2323/21831	12	Cyclic ethers comprising heterocyclic O-Ring	CPCONLY	B01D2323/21831		5
B01D2323/21832	12	Cyclic ethers comprising aromatic heterocyclic O-Ring	CPCONLY	B01D2323/21832		
B01D2323/21833	11	Esters	CPCONLY	B01D2323/21833		10
B01D2323/21834	11	Amines	CPCONLY	B01D2323/21834		63
B01D2323/21835	12	Cyclic amines comprising heterocyclic N-Ring, e.g. pyridine	CPCONLY	B01D2323/21835		3
B01D2323/21836	12	Cyclic amines comprising aromatic heterocyclic N-Ring	CPCONLY	B01D2323/21836		4
B01D2323/21837	11	Amides	CPCONLY	B01D2323/21837		18
B01D2323/21838	11	Imides	CPCONLY	B01D2323/21838		4
B01D2323/21839	11	Polymeric additives	CPCONLY	B01D2323/21839		151
B01D2323/2185	12	Polyethylene glycol	CPCONLY	B01D2323/2185		77
B01D2323/2187	12	Polyvinylpyrolidone	CPCONLY	B01D2323/2187		120
B01D2323/2189	10	Metal-organic compounds or complexes	CPCONLY	B01D2323/2189		64
B01D2323/219	8	Specific solvent system	CPCONLY	B01D2323/219		435
B01D2323/22	9	Specific non-solvents or non-solvent system	CPCONLY	B01D2323/22		197
B01D2323/225	9	Use of supercritical fluids	CPCONLY	B01D2323/225		59
B01D2323/226	9	Use of ionic liquids	CPCONLY	B01D2323/226		45
B01D2323/24	8	Use of template or surface directing agents [SDA]	CPCONLY	B01D2323/24		197
B01D2323/26	8	Spraying processes	CPCONLY	B01D2323/26		254
B01D2323/28	8	Pore treatments	CPCONLY	B01D2323/28		113
B01D2323/283	9	Reducing the pores	CPCONLY	B01D2323/283		100
B01D2323/286	9	Closing of pores, e.g. for membrane sealing	CPCONLY	B01D2323/286		50
B01D2323/30	8	Cross-linking	CPCONLY	B01D2323/30		1927
B01D2323/32	8	Use of chain transfer agents or inhibitors	CPCONLY	B01D2323/32		21
B01D2323/34	8	Use of radiation	CPCONLY	B01D2323/34		391
B01D2323/345	9	UV-treatment	CPCONLY	B01D2323/345		369
B01D2323/35	8	Use of magnetic or electrical fields	CPCONLY	B01D2323/35		138
B01D2323/36	8	Introduction of specific chemical groups	CPCONLY	B01D2323/36		416
B01D2323/38	8	Graft polymerization	CPCONLY	B01D2323/38		434
B01D2323/385	9	involving radiation	CPCONLY	B01D2323/385		190
B01D2323/39	8	Electrospinning	CPCONLY	B01D2323/39		657
B01D2323/40	8	in-situ membrane formation	CPCONLY	B01D2323/40		377
B01D2323/42	8	Details of membrane preparation apparatus	CPCONLY	B01D2323/42		601
B01D2323/44	8	Relaxation steps	CPCONLY	B01D2323/44		10
B01D2323/46	8	Impregnation	CPCONLY	B01D2323/46		543
B01D2323/48	8	Influencing the pH	CPCONLY	B01D2323/48		96
B01D2323/50	8	Control of the membrane preparation process	CPCONLY	B01D2323/50		403
B01D2323/52	8	Use of a mould	CPCONLY	B01D2323/52		45
B01D2323/54	8	Recycling of scrap material from production process or membrane fragments	CPCONLY	B01D2323/54		8
B01D2323/56	8	Use of ultrasound	CPCONLY	B01D2323/56		68
B01D2323/58	8	Fusion; Welding	CPCONLY	B01D2323/58		74
B01D2323/60	8	Co-casting; Co-extrusion	CPCONLY	B01D2323/60		65
B01D2323/62	8	Cutting the membrane	CPCONLY	B01D2323/62		55
B01D2323/64	8	Use of a temporary support	CPCONLY	B01D2323/64		94
B01D2323/66	8	Avoiding penetration into pores of support of further porous layer with fluid or counter-pressure	CPCONLY	B01D2323/66		22
B01D2325/00	7	Details relating to properties of membranes	CPCONLY	B01D2325/00		34
B01D2325/02	8	Details relating to pores or porosity of the membranes	CPCONLY	B01D2325/02		884
B01D2325/021	9	Pore shapes	CPCONLY	B01D2325/021		274
B01D2325/0212	10	Symmetric or isoporous membranes	CPCONLY	B01D2325/0212		108
B01D2325/0214	10	Tapered pores	CPCONLY	B01D2325/0214		57
B01D2325/022	9	Asymmetric membranes	CPCONLY	B01D2325/022		670
B01D2325/023	10	Dense layer within the membrane	CPCONLY	B01D2325/023		188
B01D2325/0231	10	Dense layers being placed on the outer side of the cross-section	CPCONLY	B01D2325/0231		127
B01D2325/0232	10	Dense layer on both outer sides of the membrane	CPCONLY	B01D2325/0232		33
B01D2325/0233	10	with clearly distinguishable layers	CPCONLY	B01D2325/0233		121
B01D2325/025	9	Finger pores	CPCONLY	B01D2325/025		153
B01D2325/026	9	Sponge structure	CPCONLY	B01D2325/026		207
B01D2325/027	9	Nonporous membranes	CPCONLY	B01D2325/027		61
B01D2325/028	9	Microfluidic pore structures	CPCONLY	B01D2325/028		157
B01D2325/0281	9	Fibril, or microfibril structures	CPCONLY	B01D2325/0281		82
B01D2325/0282	9	Dynamic pores-stimuli responsive membranes, e.g. thermoresponsive or pH-responsive	CPCONLY	B01D2325/0282		67
B01D2325/0283	9	Pore size	CPCONLY	B01D2325/0283		1028
B01D2325/02831	10	less than 1 nm	CPCONLY	B01D2325/02831		214
B01D2325/02832	10	1-10 nm	CPCONLY	B01D2325/02832		350
B01D2325/02833	10	more than 10 and up to 100 nm	CPCONLY	B01D2325/02833		493
B01D2325/02834	10	more than 0.1 and up to 1 &#181;m	CPCONLY	B01D2325/02834		444
B01D2325/04	8	Characteristic thickness	CPCONLY	B01D2325/04		1940
B01D2325/06	8	Surface irregularities	CPCONLY	B01D2325/06		279
B01D2325/08	8	Patterned membranes	CPCONLY	B01D2325/08		364
B01D2325/10	8	Catalysts being present on the surface of the membrane or in the pores	CPCONLY	B01D2325/10		738
B01D2325/12	8	Adsorbents being present on the surface of the membranes or in the pores	CPCONLY	B01D2325/12		540
B01D2325/14	8	Membrane materials having negatively charged functional groups	CPCONLY	B01D2325/14		522
B01D2325/16	8	Membrane materials having positively charged functional groups	CPCONLY	B01D2325/16		516
B01D2325/18	8	Membrane materials having mixed charged functional groups	CPCONLY	B01D2325/18		188
B01D2325/20	8	Specific permeability or cut-off range	CPCONLY	B01D2325/20		1735
B01D2325/22	8	Thermal or heat-resistance properties	CPCONLY	B01D2325/22		668
B01D2325/24	8	Mechanical properties, e.g. strength	CPCONLY	B01D2325/24		2251
B01D2325/26	8	Electrical properties	CPCONLY	B01D2325/26		881
B01D2325/28	8	Degradation or stability over time	CPCONLY	B01D2325/28		327
B01D2325/30	8	Chemical resistance	CPCONLY	B01D2325/30		1359
B01D2325/32	8	Melting point or glass-transition temperatures	CPCONLY	B01D2325/32		71
B01D2325/34	8	Molecular weight or degree of polymerisation	CPCONLY	B01D2325/34		407
B01D2325/341	9	At least two polymers of same structure but different molecular weight	CPCONLY	B01D2325/341		64
B01D2325/36	8	Hydrophilic membranes	CPCONLY	B01D2325/36		3457
B01D2325/38	8	Hydrophobic membranes	CPCONLY	B01D2325/38		1436
B01D2325/39	8	Amphiphilic membranes	CPCONLY	B01D2325/39		92
B01D2325/40	8	Fibre reinforced membranes	CPCONLY	B01D2325/40		288
B01D2325/42	8	Ion-exchange membranes	CPCONLY	B01D2325/42		938
B01D2325/43	8	Specific optical properties	CPCONLY	B01D2325/43		75
B01D2325/44	9	Specific light transmission	CPCONLY	B01D2325/44		40
B01D2325/46	8	Magnetic properties	CPCONLY	B01D2325/46		60
B01D2325/48	8	Antimicrobial properties	CPCONLY	B01D2325/48		1276
B01D2325/50	8	Membrane in gel form	CPCONLY	B01D2325/50		72
B01D2325/52	8	Crystallinity	CPCONLY	B01D2325/52		57
B01D2325/54	8	Interpenetration relationship between layers in supported or composite membranes	CPCONLY	B01D2325/54		26
B01D2325/56	8	Biodegradability of membrane	CPCONLY	B01D2325/56		19
B01D2325/58	8	Biocompatibility of membrane	CPCONLY	B01D2325/58		42
