C09K   3/00		ʪǤäơ¾ʬवʤΡΣ	Materials not provided for elsewhere	30999
C09K   3/10		祤ȤޤϥС򡤥ޤϥѥå󥰤뤿Τ	for sealing or packing joints or covers	22057
C09K   3/12		ϳߤ뤿ΤΡ㤨С饸ޤϥ󥯤ˤ	for stopping leaks, e.g. in radiators or in tanks	1241
C09K   3/14		åʪʪΣ	Anti-slip materials; Abrasives	19491
C09K   3/16		ɻʪΣ	Anti-static materials	4546
C09K   3/18		ɹ̸򸺾뤿ɽ̤ŬѤΡɽ̤ŬѤɹѤ뤤ɹ߲ʪΣ	for application to surface to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces	12452
C09K   3/20		󲽳ŪӤˤ롤ꥻʪȤƤΤΡ㡥Υ꡼ޤѤδޤȤƤΤΡΣ	as substitutes for glycerol in its non-chemical uses, e.g. as a base in toiletry creams or ointments	113
C09K   3/22		ԼѤޤϿԼۼѤΤΡΣ	for dust-laying or dust-absorbing	2505
C09K   3/24		ɹޤϵѤΤΡΣ	for simulating ice or snow	285
C09K   3/30		ѤΤΡΣ	for aerosols	2518
C09K   3/32		αʪ㡥ޤϻä뤿ΤΡʪβѲαƶˤͭʲغޤ̵ˤޤϤͭǤʤˡģ	for treating liquid pollutants, e.g. oil, gasoline or fat(processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances <b>A62D3/00</b>)	2924
C09K   5/00		ǮǮ򴹤ޤǮʪ㡥ޡǳưʳβȿˤäǮޤ䵤ȯ뤿ʪΣ	Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion	5249
C09K   5/02		ѻʪŪ֤ѲȼʪʣãˣãˣͥˡΣ	Materials undergoing a change of physical state when used(<b>C09K5/16</b>, <b>C09K5/20</b> take precedence)	1193
C09K   5/04		Τ鵤ΤޤϤεդξѲˤΡΣ	the change of state being from liquid to vapour or <u>vice-versa</u>	6819
C09K   5/06		ΤΤޤϤεդξѲˤΡΣ	the change of state being from liquid to solid or <u>vice-versa</u>	9635
C09K   5/08		ѻʪŪ֤ѲȼʤʪʣãˣãˣͥˡΣ	Materials not undergoing a change of physical state when used(<b>C09K5/16</b>, <b>C09K5/20</b> take precedence)	3714
C09K   5/10		ʪΣ	Liquid materials	2778
C09K   5/12		ͻʪʤǤϸΤǤʪ㡥°ޤϱޡΣ	Molten materials, i.e. materials solid at room temperature, e.g. metals or salts	523
C09K   5/14		ʪ㡥ʴޤγΣ	Solid materials, e.g. powdery or granular	8164
C09K   5/16		ѻ˲ѲȼʪΣ	Materials undergoing chemical reactions when used	1717
C09K   5/18		ĵΤʤȿΣ	Non-reversible chemical reactions	558
C09K   5/20		Τɻźúޡ㡥饸ѤաΣ	Antifreeze additives therefor, e.g. for radiator liquids	2562
C09K   8/00		ޤϹʪޤϰͤ뤿ʪ㡥ȤޤϽѤΤΡΣ	Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations	990
C09K   8/02		ʪΣ<br><br><b><ul></ul></b><br>롼ףãˣãˣˤƤϡ饹ȥץ쥤ͥ롼뤬ŬѤ롤ʤƳإ٥ˤȿؼʤ¤ꡤǸŬڤʲսʬह롣Σ	Well-drilling compositions	1053
C09K   8/03		ŪѤΤΡʪźúޡΣ	Specific additives for general use in well-drilling compositions	2684
C09K   8/035		ͭźúޡΣ	Organic additives	5062
C09K   8/04		ʪΣ	Aqueous well-drilling compositions	1239
C09K   8/05		̵ʪΤߤͭΡ㡥ǴڤȱκʪΣ	containing inorganic compounds only, e.g. mixtures of clay and salt	329
C09K   8/06		Ǵڤͭʤʪ̵ʪΤߤͭΣãˣˡΣ	Clay-free compositions(containing inorganic compounds only <b>C09K8/05</b>)	447
C09K   8/08		ŷͭʪͭΡ㡥¿ޤϤͶƳΡΣ	containing natural organic compounds, e.g. polysaccharides, or derivatives thereof	710
C09K   8/10		ޤϤͶƳΡΣ	Cellulose or derivatives thereof	491
C09K   8/12		ͭʬҲʪޤϤʪͭΡΣ	containing synthetic organic macromolecular compounds or their precursors	1456
C09K   8/14		Ǵڤͭ벽ʪ̵ʪΤߤͭΣãˣˡΣ	Clay-containing compositions(containing inorganic compounds only <b>C09K8/05</b>)	507
C09K   8/16		Ǵڰʳ̵ʪħΤΡΣ	characterised by the inorganic compounds other than clay	574
C09K   8/18		ͭʪħΤΡΣ	characterised by the organic compounds	203
C09K   8/20		ŷͭʪޤϤͶƳΡ㡥¿ޤϥꥰ˥ͶƳΡΣ	Natural organic compounds or derivatives thereof, e.g. polysaccharides or lignin derivatives	1295
C09K   8/22		ͭʪΣ	Synthetic organic compounds	825
C09K   8/24		ʬҡΣ	Polymers	2197
C09K   8/26		奨ޥ른Σ	Oil-in-water emulsions	232
C09K   8/28		ͭźúޤͭΡΣ	containing organic additives	384
C09K   8/32		ʪ㡥١ϡΣ	Non-aqueous well-drilling compositions, e.g. oil-based	1319
C09K   8/34		ͭΡΣ	Organic liquids	565
C09K   8/36		塿ޥ른Σ	Water-in-oil emulsions	1171
C09K   8/38		ξޤȯˢʪΣ	Gaseous or foamed well-drilling compositions	460
C09K   8/40		ڡʪ㡥򥻥𩤫ʬΥݤѤʪΣ	Spacer compositions, e.g. compositions used to separate well-drilling from cementing masses	610
C09K   8/42		ʪ㡥˥󥰤򥻥󥰤뤿ΤΡɤʪ㡥ͤ뤿ΤΡʹɤɤʪãˣˡΣ	Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells(compositions for plastering borehole walls <b>C09K8/50</b>)	3109
C09K   8/44		ͭʪХΤߤͭΡΣ	containing organic binders only	1380
C09K   8/46		̵ʪХͭΡ㡥ݥȥɥȡΣ	containing inorganic binders, e.g. Portland cement	1962
C09K   8/467		ŪΤźúޤͭΡΣ	containing additives for specific purposes	2943
C09K   8/473		̩٤㸺źúޡ㡥ȯˢʪ뤿ΤΡΣ	Density reducing additives, e.g. for obtaining foamed cement compositions	610
C09K   8/48		̩٤äޤ̤źúޡΣ	Density increasing or weighting additives	239
C09K   8/487		ΤθĴźúޡήư㲼¤ޤɻߤ뤿źúޡΣ	Fluid loss control additives; Additives for reducing or preventing circulation loss	884
C09K   8/493		ΰư򸺾ޤɻߤźúޡΣ	Additives for reducing or preventing gas migration	190
C09K   8/50		ɤɤʪ¨ɤΰŪΤʪΣ	Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls	1206
C09K   8/502		١ϤʪΣ	Oil-based compositions	582
C09K   8/504		ޤ϶Ϻ޷ϤʪʣãˣͥˡΣ	Compositions based on water or polar solvents(<b>C09K8/502</b> takes precedence)	1325
C09K   8/506		ͭʪͭΡΣ	containing organic compounds	637
C09K   8/508		ʬҲʪͭΡΣ	macromolecular compounds	2638
C09K   8/512		ͶޤͭΡΣ	containing cross-linking agents	1986
C09K   8/514		ŷͳΤΡ㡥¿ࡤʣãˣͥˡΣ	of natural origin, e.g. polysaccharides, cellulose(<b>C09K8/512</b> takes precedence)	1018
C09K   8/516		ηޤϤʬηħΤΡ㡥ʪΣ	characterised by their form or by the form of their components, e.g. encapsulated material	1145
C09K   8/518		ȯˢΡΣ	Foams	284
C09K   8/52		ʪɻߡ¤ޤϽʪ㡥ѤΤΡΣ	Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning	2329
C09K   8/524		ͭʪ㡥ѥեޤϥեƥΣ	organic depositions, e.g. paraffins or asphaltenes	2550
C09K   8/528		̵ʪ㡥βޤúΣ	inorganic depositions, e.g. sulfates or carbonates	2052
C09K   8/532		βΣ	Sulfur	284
C09K   8/536		ηޤϤʬηħΤΡ㡥ʪΣ	characterised by their form or by the form of their components, e.g. encapsulated material	428
C09K   8/54		ޤϰˤƸ忩뤿ʪΣ	Compositions for <u>in situ</u> inhibition of corrosion in boreholes or wells	2181
C09K   8/56		οƩ٤㲼뤳ȤʤɲΤ뤤ޤϤʪ򶯲뤿ʪΣ	Compositions for consolidating loose sand or the like around wells without excessively decreasing the permeability thereof	577
C09K   8/565		١ϤʪΣ	Oil-based compositions	159
C09K   8/57		ޤ϶Ϻ޷ϤʪʣãˣͥˡΣ	Compositions based on water or polar solvents(<b>C09K8/565</b> takes precedence)	177
C09K   8/575		ͭʪͭΡΣ	containing organic compounds	838
C09K   8/58		úǤμ褹뤿ζˡΤʪ¨ήư뤿Ρ㡥ήΤСʪΣ	Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids	2769
C09K   8/582		ХƥꥢλѤħΤΡΣ	characterised by the use of bacteria	682
C09K   8/584		γ̳ޤλѤħΤΡΣ	characterised by the use of specific surfactants	5484
C09K   8/588		ιʬҤλѤħΤΡΣ	characterised by the use of specific polymers	4076
C09K   8/592		ȯǮȤ߹碌Ѥʪ㡥ʮͤˤΡΣ	Compositions used in combination with generated heat, e.g. by steam injection	816
C09K   8/594		ʮͤ줿ΤȤ߹碌ѤʪʣãˣͥˡΣ	Compositions used in combination with injected gas(<b>C09K8/592</b> takes precedence)	1052
C09K   8/60		ϲηؤκѤˤɷ㤹뤿ʪΣ	Compositions for stimulating production by acting on the underground formation	3597
C09K   8/62		ܤޤϳܤ뤿ʪΣ	Compositions for forming crevices or fractures	1665
C09K   8/64		١ϤʪΣ	Oil-based compositions	639
C09K   8/66		ޤ϶Ϻ޷ϤʪʣãˣͥˡΣ	Compositions based on water or polar solvents(<b>C09K8/64</b> takes precedence)	942
C09K   8/68		ͭʪͭΡΣ	containing organic compounds	5371
C09K   8/70		ηޤϤʬηħΤΡ㡥ˢΣ	characterised by their form or by the form of their components, e.g. foams	1109
C09K   8/72		忩Τβʡ㡥Σ	Eroding chemicals, e.g. acids	1454
C09K   8/74		ŪΤźä줿źúޤȤ߹蘆줿ΡΣ	combined with additives added for specific purposes	2087
C09K   8/76		Τθɻߤ뤿ΤΡΣ	for preventing or reducing fluid loss	204
C09K   8/78		󥰤ɻߤ뤿ΤΡΣ	for preventing sealing	243
C09K   8/80		ܤ䶯뤿ʪ㡥ܤ򳫤ޤ޻٤뤿ѤʪΣ	Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open	3451
C09K   8/82		١ϤʪʣãˣͥˡΣ	Oil-based compositions(<b>C09K8/64</b> takes precedence)	306
C09K   8/84		ޤ϶Ϻ޷ϤʪʣãˣãˣͥˡΣ	Compositions based on water or polar solvents(<b>C09K8/66</b>, <b>C09K8/82</b> take precedence)	556
C09K   8/86		ͭʪͭΡΣ	containing organic compounds	788
C09K   8/88		ʬҲʪΣ	macromolecular compounds	2899
C09K   8/90		ŷͳΤΡ㡥¿ࡤΣ	of natural origin, e.g. polysaccharides, cellulose	1325
C09K   8/92		ηޤϤʬηħΤΡ㡥ʪʣãˣͥˡΣ	characterised by their form or by the form of their components, e.g. encapsulated material(<b>C09K8/70</b> takes precedence)	713
C09K   8/94		ˢΣ	Foams	409
C09K   9/00		ƥ֥ͥåʪʤΥͥ륮ˤ嵯η̤Ȥƥͥ륮ۼĹΰ褬ѤʪΣ	Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy	3090
C09K   9/02		ͭƥ֥ͥåʪΣ	Organic tenebrescent materials	6967
C09K  11/00		ȯ㡥ŵȯޤϲȯΣ<br><br><b><ul></ul></b><br>Σ<br>Υᥤ󥰥롼פˤϡ롼ףãˣãˣΥǥ󥰥ɤͿ뤳Ȥ˾ޤ	Luminescent materials, e.g. electroluminescent or chemiluminescent; <br><br><b><u>Note(s)</u></b><br><br><ul><li>In this main group, it is desirable to add the indexing codes of groups <b>C09K111/00 to C09K113/00</b> .</li></ul>	6214
C09K  11/01		ȯβΣ	Recovery of luminescent materials	331
C09K  11/02		ХʤǻҤޤϤηΤȤʪλѡΣ	Use of particular materials as binders, particle coatings or suspension media therefor	16693
C09K  11/04		ŷޤϿ͹ǤޤǤͭΡΣ	containing natural or artificial radioactive elements or unspecified radioactive elements	265
C09K  11/06		ͭȯʪͭΡΣ	containing organic luminescent materials	62894
C09K  11/07		ŪߤȿʬĤΡ㡥ȿȯʪΣ	having chemically-interreactive components, e.g. reactive chemiluminescent compositions	1063
C09K  11/08		̵ȯʪͭΡΣ<br><br><b><ul></ul></b><br>Σ<br>롼ףãˣãˣˤƤϡ饹ȥץ쥤ͥ롼뤬ŬѤ롣ʤƳإ٥ˤȿٻʤ¤ꡢϺǸŬڤʲսʬह롣ȯޤʬоݤȤʤ	containing inorganic luminescent materials	13303
C09K  11/54		ޤϥɥߥޤΡΣ	containing zinc or cadmium	1479
C09K  11/55		٥ꥦࡤޥͥࡤ륫°ޤϥ륫°ޤΡΣ	containing beryllium, magnesium, alkali metals or alkaline earth metals	1044
C09K  11/56		βޤΡΣ	containing sulfur	3741
C09K  11/57		ޥ󥬥ޤϥ˥ޤΡΣ	containing manganese or rhenium	496
C09K  11/58		Ƽޤ϶ޤΡΣ	containing copper, silver or gold	1363
C09K  11/59		ǤޤΡΣ	containing silicon	3713
C09K  11/60		ŴХȤޤϥ˥åޤΡΣ	containing iron, cobalt or nickel	249
C09K  11/61		դǡǡǡ褦ǤޤΥϥǤޤΡΣ	containing fluorine, chlorine, bromine, iodine or unspecified halogen elements	2858
C09K  11/62		ꥦࡤ󥸥ޤϥꥦޤΡΣ	containing gallium, indium or thallium	2716
C09K  11/63		ۤǤޤΡΣ	containing boron	748
C09K  11/64		ߥ˥ޤΡΣ	containing aluminium	5291
C09K  11/65		úǤޤΡΣ	containing carbon	4568
C09K  11/66		ޥ˥ࡤޤϱޤΡΣ	containing germanium, tin or lead	3915
C09K  11/67		Ѳж°ޤΡΣ	containing refractory metals	1693
C09K  11/68		ࡤ֥ǥޤϥ󥰥ƥޤΡΣ	containing chromium, molybdenum or tungsten	1035
C09K  11/69		ХʥޤΡΣ	containing vanadium	199
C09K  11/70		ޤΡΣ	containing phosphorus	1928
C09K  11/71		˥륫°ޤΡΣ	also containing alkaline earth metals	817
C09K  11/72		˥ϥޤΡ㡥ϥΣ	also containing halogen, e.g. halophosphates	220
C09K  11/73		˥륫°ޤΡΣ	also containing alkaline earth metals	518
C09K  11/74		ǡޤϥӥޥޤΡΣ	containing arsenic, antimony or bismuth	1003
C09K  11/75		ޤΡΣ	containing antimony	276
C09K  11/76		󤪤ӥϥ򤵤˴ޤΡ㡥ϥΣ	also containing phosphorus and halogen, e.g. halophosphates	193
C09K  11/77		°ޤΡΣ	containing rare earth metals	7149
C09K  11/78		ǤޤΡΣ	containing oxygen	3650
C09K  11/79		ǤޤΡΣ	containing silicon	1872
C09K  11/80		ߥ˥ޤϥꥦޤΡΣ	containing aluminium or gallium	4212
C09K  11/81		ޤΡΣ	containing phosphorus	949
C09K  11/82		ХʥޤΡΣ	containing vanadium	418
C09K  11/83		ХʥपӤޤΡΣ	containing vanadium and phosphorus	182
C09K  11/84		ޤΡ㡥եɡΣ	containing sulfur, e.g. oxysulfides	1278
C09K  11/85		ϥޤΡΣ	containing halogen	2138
C09K  11/86		ǤӥϥޤΡ㡥ϥ饤ɡΣ	containing oxygen and halogen, e.g. oxyhalides	663
C09K  11/87		°°ޤΡΣ	containing platinum group metals	257
C09K  11/88		󡤥ƥޤΥ륳ǤޤΡΣ	containing selenium, tellurium or unspecified chalcogen elements	4500
C09K  11/89		ޤΡΣ	containing mercury	204
C09K  13/00		å󥰡ɽ̤ĤФޤϻʥԥ󥰡ʪΣ<br><br><b><ul></ul></b><br>롼ףãˣãˣˤƤϡ饹ȥץ쥤ͥ롼뤬ŬѤ롤ʤƳإ٥ˤʪϾ˺ǸŬڤʲսʬव롣Σ	Etching, surface-brightening or pickling compositions	2762
C09K  13/02		륫°οʪͭΡΣ	containing an alkali metal hydroxide	518
C09K  13/04		̵ͭΡΣ	containing an inorganic acid	1141
C09K  13/06		ͭʪȼΡΣ	with organic material	1799
C09K  13/08		դǲʪͭΡΣ	containing a fluorine compound	1651
C09K  13/10		ۤǲʪͭΡΣ	containing a boron compound	140
C09K  13/12		̵ʬξȤ⣵̤ǽŶ°ͭΡΣ	containing heavy metal salts in an amount of at least 50% of the non-solvent components	46
C09K  15/00		ʪѲʪΣ<br><br><b><ul></ul></b><br>ʣ˥롼ףãˣãˣˤƤϡ饹ȥץ쥤ͥ롼뤬ŬѤ롤ʤƳإ٥ˤȿؼʤ¤ꡤʪϺǸŬڤʲսʬव롣Σ<br>ʣ˥롼ףãˣãˣˤƤϡͭʪζ°Ϥβʪսʬव롣Σ	Anti-oxidant compositions; Compositions inhibiting chemical change	518
C09K  15/02		̵ʪͭΡΣ	containing inorganic compounds	673
C09K  15/04		ͭʪͭΡΣ	containing organic compounds	519
C09K  15/06		ǤͭΡΣ	containing oxygen	1166
C09K  15/08		եΡޤϥΥʬͭΡΣ	containing a phenol or quinone moiety	1802
C09K  15/10		ͭΡΣ	containing sulfur	118
C09K  15/12		ӻǤͭΡΣ	containing sulfur and oxygen	294
C09K  15/14		եΡޤϥΥʬͭΡΣ	containing a phenol or quinone moiety	397
C09K  15/16		ǤͭΡΣ	containing nitrogen	263
C09K  15/18		ߥޤϥߥʬͭΡΣ	containing an amine or imine moiety	529
C09K  15/20		ǤӻǤͭΡΣ	containing nitrogen and oxygen	709
C09K  15/22		ߥɤޤϥߥʬͭΡΣ	containing an amide or imide moiety	375
C09K  15/24		եΡޤϥΥʬͭΡΣ	containing a phenol or quinone moiety	352
C09K  15/26		ǤӤͭΡΣ	containing nitrogen and sulfur	143
C09K  15/28		ǡǤӤͭΡΣ	containing nitrogen, oxygen and sulfur	301
C09K  15/30		ȤĤǸҤĤι¤ˤʣǴġΣ	containing heterocyclic ring with at least one nitrogen atom as ring member	1423
C09K  15/32		ۤǡǡ󡤥󡤥ƥޤ϶°ͭΡΣ	containing boron, silicon, phosphorus, selenium, tellurium or a metal	1380
C09K  15/34		̤Τʤ뿢ʪޤưʪͭΡΣ	containing plant or animal materials of unknown composition	1100
C09K  17/00		ھĴʪޤھʪΣ<br><br><b><ul></ul></b><br>ʣˤΥ롼פϡھĴʪޤھʪȤγˤħŤ롣ھĴ뤤ھγħȤκʪޤ롣Σ<br>ʣˤΥ롼פϡ֥饹ãǤޤγˤħŤھĴʪޤھʪȤκʪޤʤΣ<br>ʣˤΥ롼פˤʬŪΤᡤʪ¸ߤϹθʤΣ<br>ʣ˥롼ףãˣãˣˤƤϡ饹ȥץ쥤ͥ롼뤬ŬѤ롤ʤƳإ٥ˤȿؼʤ¤ꡤʪϺǸŬڤʲսʬह롣<br>ʣˤΥ롼פˤƤϡ롼ףãˣãˣΥǥ󥰥ɤͿ뤳Ȥ˾ޤΣ	Soil-conditioning materials or soil-stabilising materials; <br><br><b><u>Note(s)</u></b><br><br><ul><li>This group <u>covers</u> mixtures of soil-conditioning or soil-stabilising materials with fertilisers characterised by their soil-conditioning or soil-stabilising activity.   </li><li>This group <u>does not cover</u> mixtures of soil-conditioning or soil-stabilising materials with fertilisers characterised by their fertilising activity which are covered by subclass <b>C05G</b>.   </li><li>For the purpose of classification in this group, the presence of fertilisers in the composition is not taken into account.   </li><li>In groups <b>C09K17/02 to C09K17/40</b> , the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, materials are classified in the last appropriate place. </li><li>In this group, it is desirable to add the indexing codes of groups <b>C09K101/00 to C09K109/00</b> .    </li></ul>	5270
C09K  17/02		̵ʪΤߤͭΡΣ	containing inorganic compounds only	4613
C09K  17/04		ϱդޤϥ饦ȰʳʪŪ֤ŬѤΡ㡥γޤϵΤȤơΣ	applied in a physical form other than a solution or a grout, e.g. as granules or gases	857
C09K  17/06		륷ಽʪ㡥гΣ	Calcium compounds, e.g. lime	3021
C09K  17/08		ߥ˥ಽʪ㡥ߥ˥Σ	Aluminium compounds, e.g. aluminium hydroxide	1789
C09K  17/10		ȡ㡥ݥȥɥȡΣ	Cements, e.g. Portland cement	2055
C09K  17/12		㡥奬饹Σ	Water-soluble silicates, e.g. waterglass	1406
C09K  17/14		ͭʪΤߤͭΡΣ	containing organic compounds only	3505
C09K  17/16		ϱդޤϥ饦ȰʳʪŪ֤ŬѤΡ㡥ĤޤγȤơΣ	applied in a physical form other than a solution or a grout, e.g. as platelets or granules	395
C09K  17/18		ץݥޡʬҲʪΣ	Prepolymers; Macromolecular compounds	1172
C09K  17/20		ӥ˥ݥޡΣ	Vinyl polymers	889
C09K  17/22		ݥꥢ졼ȡݥ᥿졼ȡΣ	Polyacrylates; Polymethacrylates	839
C09K  17/24		ǥҥɤޤϥȥν̹ݥޡΣ	Condensation polymers of aldehydes or ketones	33
C09K  17/26		եΡݥǥҥɽ̹ݥޡΣ	Phenol-aldehyde condensation polymers	25
C09K  17/28		Ǣǡݥǥҥɽ̹ݥޡΣ	Urea-aldehyde condensation polymers	83
C09K  17/30		ݥꥤ͡ȡݥꥦ쥿Σ	Polyisocyanates; Polyurethanes	393
C09K  17/32		ŷʪΡ㡥ʪΣ	of natural origin, e.g. cellulosic materials	2950
C09K  17/34		ļʪΣ	Bituminous materials	144
C09K  17/36		İʾúǡݥǷĲʪΣ	Compounds having one or more carbon-to-silicon linkages	59
C09K  17/38		Σ	Siloxanes	74
C09K  17/40		̵ʪͭʪκʪͭΡΣ	containing mixtures of inorganic and organic compounds	9734
C09K  17/42		ͭʬȺ礵줿̵ʪ㡥¥ʺޡΣ	Inorganic compounds mixed with organic active ingredients, e.g. accelerators	1442
C09K  17/44		̵ʪȤǤΡΣ	the inorganic compound being cement	708
C09K  17/46		̵ʪǤΡΣ	the inorganic compound being a water-soluble silicate	585
C09K  17/48		̵ʬȺ礵줿ͭʪ㡥Ź翨ޡΣ	Organic compounds mixed with inorganic active ingredients, e.g. polymerisation catalysts	1302
C09K  17/50		ͭʪŷʪΤΤǤΡ㡥ͶƳΡΣ	the organic compound being of natural origin, e.g. cellulose derivatives	1022
C09K  17/52		Σ	Mulches	1598
C09K  19/00		վʪΣ<br><br><b><ul></ul></b><br>롼ףãˣãˣˤƤϡ饹ȥץ쥤ͥ롼뤬ŬѤ롤ʤƳإ٥ˤȿؼʤ¤ꡤʪϺǸŬڤʲսʬह롣Σ	Liquid crystal materials	2471
C09K  19/02		ʬθŪŵŪ뤤ʪŪˤħŤΰ̡Σ	characterised by optical, electrical or physical properties of the components, in general	2948
C09K  19/04		վʬβŪ¤ˤħŤΡΣ	characterised by the chemical structure of the liquid crystal components	2221
C09K  19/06		󥹥ƥɱվʪΣ	Non-steroidal liquid crystal compounds	1021
C09K  19/08		ʤȤ⣲Ĥ̹ĤޤಽʪΣ	containing at least two non-condensed rings	315
C09K  19/10		ʤȤ⣲ĤΥ٥󥼥ĤޤಽʪΣ	containing at least two benzene rings	358
C09K  19/12		ʤȤ⣲ĤΥ٥󥼥Ĥľܷ礷Ƥ벽ʪΣ	at least two benzene rings directly linked, e.g. biphenyls	4274
C09K  19/14		ʤȤ⣲Υ٥󥼥ĤúǺ𤷤Ʒ礷Ƥ벽ʪΣ	linked by a carbon chain	1800
C09K  19/16		úǺúǡúŷޤಽʪ㡥٥Σ	the chain containing carbon-to-carbon double bonds, e.g. stilbenes	1033
C09K  19/18		úǺúǡúǻŷޤಽʪ㡥ȥΣ	the chain containing carbon-to-carbon triple bonds, e.g. tolans	1561
C09K  19/20		ʤȤ⣲ĤΥ٥󥼥ĤȤúǸҤȻǸҤޤ线𤷤Ʒ礷Ƥ벽ʪ㡥ƥΣ	linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters	5204
C09K  19/22		ʤȤ⣲ĤΥ٥󥼥ĤȤúǸҤǸҤޤ线𤷤Ʒ礷Ƥ벽ʪ㡥åձΣ	linked by a chain containing carbon and nitrogen atoms as chain links, e.g. Schiff bases	613
C09K  19/24		ʤȤ⣲ĤΥ٥󥼥ĤǡǷޤ线𤷤Ʒ礷Ƥ벽ʪΣ	linked by a chain containing nitrogen-to-nitrogen bonds	446
C09K  19/26		ʪΣ	Azoxy compounds	133
C09K  19/28		ʤȤ⣲ĤΥ٥󥼥ĤȤúǸҤβҤޤ线𤷤Ʒ礷Ƥ벽ʪ㡥ƥΣ	linked by a chain containing carbon and sulfur atoms as chain links, e.g. thioesters	217
C09K  19/30		˰¤ޤ˰¤˧ġ㡥إĤޤಽʪΣ	containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings	6891
C09K  19/32		̹礵줿󡤤ʤ̹󡤲ͶޤϥԥΤ벽ʪΣ	containing condensed ring systems, i.e. fused, bridged or spiro ring systems	3215
C09K  19/34		ʤȤ⣱ΥإƥĤޤಽʪΣ	containing at least one heterocyclic ring	6684
C09K  19/36		ƥɱվʪΣ	Steroidal liquid crystal compounds	490
C09K  19/38		ŹΡ㡥ݥꥢߥɡΣ	Polymers, e.g. polyamides	5744
C09K  19/40		úǡǡϥ󡤻ǡǡβʳθǡ㡥ǡ°ǡޤಽʪΣ	containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen or sulfur, e.g. silicon, metals	935
C09K  19/42		롼ףãˣãˣΣʾʬवʣվʪκʪΣ<br><br><b><ul></ul></b><br>ʣˤΥ롼פǤϡվʪγơ롼ףãˣãˣˤƱĤΥ롼פʬवʾαվʪͭ뺮ʪǤäơΥ롼פˤΤʬहΤޤʤΣ<br>ʣˤΥ롼פʬव뺮ʪαվʬվʬȤƽפǤʤСվʬϥ롼ףãˣãˣˤ벽ʪ˽äƤޤʬह롣Σ	Mixtures of liquid crystal compounds covered by two or more of the preceding groups <b>C09K19/06 to C09K19/40</b> ; <br><br><b><u>Note(s)</u></b><br><br><ul><li>This group does not cover mixtures containing two or more liquid crystal compounds covered individually by the same one of groups <b>C09K19/04 to C09K19/40</b>  which are classified only in that group.</li><li>If liquid crystal components of the mixtures classified in this group are of interest as such, they are also classified according to the compounds in groups <b>C09K19/04 to C09K19/40</b> .</li></ul>	4418
C09K  19/44		ʣΥ٥󥼥Ĥľܷ礷Ƥ벽ʪͭΡΣ	containing compounds with benzene rings directly linked	2953
C09K  19/46		ƥͭΡΣ	containing esters	3307
C09K  19/48		åձͭΡΣ	containing Schiff bases	285
C09K  19/50		ƥɱվʪͭΡΣ	containing steroidal liquid crystal compounds	257
C09K  19/52		վʪǤϤʤʬ㡥źúޤˤħŤΡΣ	characterised by components which are not liquid crystals, e.g. additives	2165
C09K  19/54		򼨤ʤźúޡΣ	Additives having no specific mesophase	5098
C09K  19/56		۸ޡΣ	Aligning agents	2837
C09K  19/58		ɡѥȤ뤤ŲٰưޡΣ	Dopants or charge transfer agents	1279
C09K  19/60		¿ǡΣ	Pleochroic dyes	1721
C09K  21/00		ɲʪΣ<br><br><b><ul></ul></b><br>롼ףãˣãˣˤƤϡ饹ȥץ쥤ͥ롼뤬ŬѤ롤ʤƳإ٥ˤȿؼʤ¤ꡤʪϺǸŬڤʲսʬह롣Σ	Fireproofing materials	1495
C09K  21/02		̵ʪΣ	Inorganic materials	3585
C09K  21/04		ޤΡΣ	containing phosphorus	1354
C09K  21/06		ͭʪΣ	Organic materials	868
C09K  21/08		ϥޤΡΣ	containing halogen	1012
C09K  21/10		ǤޤΡΣ	containing nitrogen	1181
C09K  21/12		ޤΡΣ	containing phosphorus	3486
C09K  21/14		ʬʪΣ	Macromolecular materials	4216
C09K  23/00		ޡޡʬޤޤϵˢޤȤƤʪӡΣ	Use of substances as emulsifying, wetting, dispersing, or foam-producing agents	8505
C09K  23/02		륳뤫ͶƳ줿륭륹ۥƥޤβƥαΣ	Alkyl sulfonates or sulfuric acid ester salts derived from monohydric alcohols	622
C09K  23/04		¿륳ޤϥߥΥ륳ޤϤͶƳΤͶƳ륹ۥƥޤβƥαβޤϥۥ󲽻ãˣˡΣ	Sulfonates or sulfuric acid ester salts derived from polyhydric alcohols or amino alcohols or derivatives thereof(sulfated or sulfonated fatty oils <b>C09K23/08</b>)	312
C09K  23/06		ûȥҥɥ륭벽줿ۥޤϤαȤΥƥΣ	Esters of higher fatty acids with hydroxyalkylated sulfonic acids or salts thereof	95
C09K  23/08		áåûޤϹûȣ륳ȤΥƥβʪޤϥۥʪΣ	Sulfation or sulfonation products of fats, oils, waxes, or higher fatty acids or esters thereof with monovalent alcohols	317
C09K  23/10		ʬ̤Υۥĥܥޤϥۥ¿ܥͶƳΡΣ	Derivatives of low-molecular-weight sulfocarboxylic acids or sulfopolycarboxylic acids	323
C09K  23/12		˧²ޤϥ륭˧²ΥۥʪΣ	Sulfonates of aromatic or alkylated aromatic compounds	583
C09K  23/14		ͶƳΡΣ	Derivatives of phosphoric acid	1019
C09K  23/16		ߥޤ¿ߥΣ	Amines or polyamines	938
C09K  23/18		裴饢˥ಽʪΣ	Quaternary ammonium compounds	1364
C09K  23/20		ۥۥ˥पӥۥ˥ಽʪΣ	Phosphonium and sulfonium compounds	96
C09K  23/22		ߥɤޤϥҥɥ饸ɡΣ	Amides or hydrazides	1120
C09K  23/24		ûȥߥΥ륭벽줿ۥΥߥɡΣ	Amides of higher fatty acids with aminoalkylated sulfonic acids	87
C09K  23/26		ۥ󥢥ߥɡΣ	Sulfonamides	134
C09K  23/28		ߥΥܥʥץƥޤϥץƥβÿʬʪãˣˡΣ	Aminocarboxylic acids(proteins and protein hydrolysates <b>C09K23/30</b>)	633
C09K  23/30		ץƥ󡨥ץƥβÿʬʪΣ	Proteins; Protein hydrolysates	431
C09K  23/32		إƥĲʪΣ	Heterocyclic compounds	659
C09K  23/34		ʬ̥ܥƥʹûȥҥɥ륭벽줿ۥޤϤαȤΥƥãˣˡΣ	Higher-molecular-weight carboxylic acid esters(esters of higher fatty acids with hydroxyalkylated sulfonic acids or salts thereof <b>C09K23/06</b>)	866
C09K  23/36		¿ܥΥƥΣ	Esters of polycarboxylic acids	283
C09K  23/38		륳²㡥ѥեúǤλʪΣ	Alcohols, e.g. oxidation products of paraffins	1123
C09K  23/40		եΡΣ	Phenols	124
C09K  23/42		ƥ롤㡥륳ޤϥեΡ¿ꥳ륨ƥΣ	Ethers, e.g. polyglycol ethers of alcohols or phenols	4121
C09K  23/44		ܥƥΣ	Ether carboxylic acids	500
C09K  23/46		ߥΥ륳ΥƥΣ	Ethers of aminoalcohols	161
C09K  23/48		ƥΣ	Cellulose ethers	90
C09K  23/50		ꥰ˥ͶƳΡΣ	Derivatives of lignin	254
C09K  23/52		ŷޤϹμޤϤαΣ	Natural or synthetic resins or their salts	4461
C09K  23/54		ǲʪΣ	Silicon compounds	1217
C09K  23/56		륳ɡˡǴʪݥ˥Σ	Glucosides; Mucilage; Saponins	1497
C09K 101/00		ѡΣ	Agricultural use	11101
C09K 103/00		ڹѡΣ	Civil engineering use	3959
C09K 105/00		ɿΣ	Erosion prevention	631
C09K 107/00		ԿƩΣ	Impermeabilisation	306
C09K 109/00		ĴΣ	pH regulation	3521
C09K 111/00		ڥ֥ȡʤ£آΣ	Perovskites, i.e. ABX<sub>3</sub>	
C09K 113/00		̻ҥɥåȡΣ	Quantum dots	
