C22C1/00	7	Making non-ferrous alloys (by electrothermic methods C22B4/00; by electrolysis C25C1/24, C25C3/36)	C22C1/00	C22C1/00		608
C22C1/007	8	{Preparing arsenides or antimonides, especially of the III-VI-compound type, e.g. aluminium or gallium arsenide}	C22C1/00	C22C1/00		142
C22C1/02	8	by melting {(C22C1/1036 takes precedence)}	C22C1/02	C22C1/02		10067
C22C1/023	9	{Alloys based on nickel}	C22C1/02	C22C1/02		1758
C22C1/026	9	{Alloys based on aluminium}	C22C1/02	C22C1/02		9069
C22C1/03	9	using master alloys	C22C1/03	C22C1/03		9615
C22C1/04	8	by powder metallurgy (C22C1/08 takes precedence)<br><br><u>WARNING</u><br>Group C22C1/04&#160;is impacted by reclassification into group C22C1/059.<br>Groups C22C1/04 and C22C1/059 should be considered in order to perform a complete search.	C22C1/04	C22C1/04		1614
C22C1/0408	9	{Light metal alloys}<br><br><u>WARNING</u><br>Group C22C1/0408&#160;is impacted by reclassification into group C22C1/059.<br>Groups C22C1/0408&#160;and C22C1/059 should be considered in order to perform a complete search.	C22C1/04	C22C1/04		591
C22C1/0416	10	{Aluminium-based alloys}<br><br><u>WARNING</u><br>Group C22C1/0416&#160;is impacted by reclassification into group C22C1/059.<br>Groups C22C1/0416&#160;and C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/04	C22C1/04		1953
C22C1/0425	9	{Copper-based alloys}<br><br><u>WARNING</u><br>Group&#160;C22C1/0425&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups&#160;C22C1/0425&#160;and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/04	C22C1/04		1550
C22C1/0433	9	{Nickel- or cobalt-based alloys}<br><br><u>WARNING</u><br>Group C22C1/0433&#160;is impacted by reclassification into group C22C1/059.<br>Groups C22C1/0433&#160;and C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/04	C22C1/04		1776
C22C1/0441	10	{Alloys based on intermetallic compounds of the type rare earth - Co, Ni}<br><br><u>WARNING</u><br>Group&#160;C22C1/0441&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups&#160;C22C1/0441&#160;and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/04	C22C1/04		453
C22C1/045	9	{Alloys based on refractory metals}<br><br><u>WARNING</u><br>Group C22C1/045&#160;is impacted by reclassification into group C22C1/059.<br>Groups C22C1/045&#160;and C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/04	C22C1/04		1999
C22C1/0458	10	{Alloys based on titanium, zirconium or hafnium}<br><br><u>WARNING</u><br>Group C22C1/0458&#160;is impacted by reclassification into group C22C1/059.<br>Groups&#160;C22C1/0458&#160;and C22C1/059 should be considered in order to perform a complete search.	C22C1/04	C22C1/04		1389
C22C1/0466	9	{Alloys based on noble metals}<br><br><u>WARNING</u><br>Group&#160;C22C1/0466&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups&#160;C22C1/0466 and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/04	C22C1/04		813
C22C1/047	9	comprising intermetallic compounds {(C22C1/0441 takes precedence)}<br><br><u>WARNING</u><br>Group C22C1/047 is impacted by reclassification into group C22C1/059.<br>Groups C22C1/047 and C22C1/059 should be considered in order to perform a complete search.	C22C1/047	C22C1/047		828
C22C1/0475	9	{Impregnated alloys}<br><br><u>WARNING</u><br>Group&#160;C22C1/0475&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups&#160;C22C1/0475&#160;and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/04	C22C1/047		222
C22C1/0483	9	{Alloys based on the low melting point metals Zn, Pb, Sn, Cd, In or Ga}<br><br><u>WARNING</u><br>Group&#160;C22C1/0483&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups&#160;C22C1/0483&#160;and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/04	C22C1/04		340
C22C1/05	9	Mixtures of metal powder with non-metallic powder (C22C1/08&#160;takes precedence)<br><br><u>WARNING</u><br>Group&#160;C22C1/05&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups&#160;C22C1/05&#160;and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/05	C22C1/05		4256
C22C1/051	10	Making hard metals based on borides, carbides, nitrides, oxides or silicides; Preparation of the powder mixture used as the starting material therefor<br><br><u>WARNING</u><br>Group C22C1/051 is incomplete pending reclassification of documents from group C22C1/058. <br>Group C22C1/051 is also impacted by reclassification into groups C22C1/057 and C22C1/059.<br>All groups listed in this Warning should be considered in order to perform a complete search.	C22C1/051	C22C1/051		3046
C22C1/053	11	with in situ formation of hard compounds<br><br><u>WARNING</u><br>Group C22C1/053 is incomplete pending reclassification of documents from group C22C1/058. <br>Group C22C1/053 is also impacted by reclassification into group C22C1/059.<br>Groups C22C1/058, C22C1/053 and C22C1/059 should be considered in order to perform a complete search.	C22C1/053	C22C1/053		291
C22C1/055	12	using carbon<br><br><u>WARNING</u><br>Group C22C1/055 is incomplete pending reclassification of documents from group C22C1/058. <br>Group C22C1/055 is also impacted by reclassification into group C22C1/059.<br>Groups C22C1/058, C22C1/055 and C22C1/059 should be considered in order to perform a complete search.	C22C1/055	C22C1/055		371
C22C1/056	12	using gas<br><br><u>WARNING</u><br>Group C22C1/056 is incomplete pending reclassification of documents from group C22C1/058. <br>Group C22C1/056 is also impacted by reclassification into group C22C1/059.<br>Groups C22C1/058, C22C1/056 and C22C1/059 should be considered in order to perform a complete search.	C22C1/056	C22C1/056		188
C22C1/057	11	with in situ formation of phases other than hard compounds by solid state reaction sintering, e.g. metal phase formed by reduction reaction<br><br><u>WARNING</u><br>Group C22C1/057&#160;is incomplete pending reclassification documents from groups C22C1/051, C22C1/058, C22C1/1078, C22C1/1084&#160;and C22C1/1089.<br>All groups listed in this Warning should be considered in order to perform a complete search.	C22C1/057	C22C1/057		143
C22C1/058	10	{by reaction sintering (i.e. gasless reaction starting from a mixture of solid metal compounds)}<br><br><u>WARNING</u><br>Group C22C1/058 is no longer used for the classification of documents as of 2023-01-01. <br>The content of this group is being reclassified into groups C22C1/051 - C22C1/057 and C22C1/059.<br>Groups C22C1/058, C22C1/051 - C22C1/057 and C22C1/059 should be considered in order to perform a complete search.	C22C1/05	C22C1/05		613
C22C1/059	10	Making alloys comprising less than 5% by weight of dispersed reinforcing phases<br><br><u>WARNING</u><br>Group&#160;C22C1/059&#160;is incomplete pending reclassification documents from&#160;groups C22C1/04,&#160;C22C1/0408,&#160;C22C1/0416, C22C1/0425, C22C1/0433, C22C1/0441, C22C1/045, C22C1/0458, C22C1/0466, C22C1/047, C22C1/0475, C22C1/0483, C22C1/05, C22C1/051, C22C1/053, C22C1/055, C22C1/056, C22C1/058, C22C1/10, C22C1/1005, C22C1/101, C22C1/1015, C22C1/1021, C22C1/1026, C22C1/1031, C22C1/1036, C22C1/1042, C22C1/1047, C22C1/1052, C22C1/1057, C22C1/1063, C22C1/1068, C22C1/1073, C22C1/1078, C22C1/1084, C22C1/1089, C22C1/1094 and C22C32/00&#160;and&#160;all its subgroups.<br>All groups listed in this Warning should be considered in order to perform a complete search.	C22C1/059	C22C1/059		729
C22C1/06	8	with the use of special agents for refining or deoxidising	C22C1/06	C22C1/06		4754
C22C1/08	8	Alloys with open or closed pores	C22C1/08	C22C1/08		1687
C22C1/081	9	{Casting porous metals into porous preform skeleton without foaming}	C22C1/08	C22C1/08		96
C22C1/082	10	{with removal of the preform}	C22C1/08	C22C1/08		89
C22C1/083	9	{Foaming process in molten metal other than by powder metallurgy}	C22C1/08	C22C1/08		203
C22C1/085	10	{with external pressure or pressure buildup to make porous metals}	C22C1/08	C22C1/08		21
C22C1/086	10	{Gas foaming process}	C22C1/08	C22C1/08		235
C22C1/087	10	{after casting in solidified or solidifying metal to make porous metals}	C22C1/08	C22C1/08		28
C22C1/088	9	{Foaming process with solid metal other than by powder metallurgy}	C22C1/08	C22C1/08		31
C22C1/10	8	Alloys containing non-metals (C22C1/05, C22C1/08&#160;take precedence)<br><br><u>WARNING</u><br>Group&#160;C22C1/10&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups&#160;C22C1/10&#160;and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/10	C22C1/10		924
C22C1/1005	9	{Pretreatment of the non-metallic additives (pretreatment of non-metallic fibres C22C47/02)}<br><br><u>WARNING</u><br>Group C22C1/1005 is impacted by reclassification into group C22C1/059.<br>Groups C22C1/1005 and C22C1/059 should be considered in order to perform a complete search.	C22C1/10	C22C1/10		309
C22C1/101	10	{by coating}<br><br><u>WARNING</u><br>Group C22C1/101 is impacted by reclassification into group C22C1/059.<br>Groups C22C1/101 and C22C1/059 should be considered in order to perform a complete search.	C22C1/10	C22C1/10		275
C22C1/1015	10	{by preparing or treating a non-metallic additive preform}<br><br><u>WARNING</u><br>Group C22C1/1015 is impacted by reclassification into group C22C1/059.<br>Groups C22C1/1015 and C22C1/059 should be considered in order to perform a complete search.	C22C1/10	C22C1/10		367
C22C1/1021	11	{the preform being ceramic}<br><br><u>WARNING</u><br>Group C22C1/1021 is impacted by reclassification into group&#160;C22C1/059. <br>Groups C22C1/1021 and C22C1/059 should be considered in order to perform a complete search.	C22C1/10	C22C1/10		262
C22C1/1026	9	{starting from a solution or a suspension of (a) compound(s) of at least one of the alloy constituents}<br><br><u>WARNING</u><br>Group&#160;C22C1/1026&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups&#160;C22C1/1026 and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/10	C22C1/10		349
C22C1/1031	9	{starting from gaseous compounds or vapours of at least one of the constituents}<br><br><u>WARNING</u><br>Group&#160;C22C1/1031&#160;is impacted by reclassification into group&#160;C22C1/059.&#160;<br>Groups&#160;C22C1/1031 and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/10	C22C1/10		45
C22C1/1036	9	{starting from a melt}<br><br><u>WARNING</u><br>Group&#160;C22C1/1036&#160;is impacted by reclassification into group&#160;C22C1/059. <br>Groups&#160;C22C1/1036 and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/10	C22C1/10		3274
C22C1/1042	10	{by atomising}<br><br><u>WARNING</u><br>Group&#160;C22C1/1042&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups&#160;C22C1/1042 and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/10	C22C1/10		197
C22C1/1047	10	{by mixing and casting liquid metal matrix composites}<br><br><u>WARNING</u><br>Group&#160;C22C1/1047&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups C22C1/1047 and C22C1/059 should be considered in order to perform a complete search.	C22C1/10	C22C1/10		1133
C22C1/1052	11	{by mixing and casting metal matrix composites with reaction}<br><br><u>WARNING</u><br>Group&#160;C22C1/1052&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups C22C1/1052 and C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/10	C22C1/10		431
C22C1/1057	10	{Reactive infiltration}<br><br><u>WARNING</u><br>Group&#160;C22C1/1057&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups C22C1/1057 and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/10	C22C1/10		108
C22C1/1063	11	{Gas reaction, e.g. lanxide}<br><br><u>WARNING</u><br>Group C22C1/1063&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups C22C1/1063 and C22C1/059&#160;should be considered in order to perform a complete search. 	C22C1/10	C22C1/10		114
C22C1/1068	10	{Making hard metals based on borides, carbides, nitrides, oxides or silicides}<br><br><u>WARNING</u><br>Group&#160;C22C1/1068&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups&#160;C22C1/1068 and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/10	C22C1/10		288
C22C1/1073	10	{Infiltration or casting under mechanical pressure, e.g. squeeze casting}<br><br><u>WARNING</u><br>Group C22C1/1073&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups C22C1/1073 and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/10	C22C1/10		304
C22C1/1078	9	{by internal oxidation of material in solid state}<br><br><u>WARNING</u><br>Group&#160;C22C1/1078&#160;is impacted by reclassification into groups C22C1/057&#160;and&#160;C22C1/059.<br>Groups&#160;C22C1/1078, C22C1/057 and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/10	C22C1/10		286
C22C1/1084	9	{by mechanical alloying (blending, milling)}<br><br><u>WARNING</u><br>Group&#160;C22C1/1084&#160;is impacted by reclassification into groups C22C1/057 and&#160;C22C1/059.<br>Groups&#160;C22C1/1084, C22C1/057&#160;and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/10	C22C1/10		757
C22C1/1089	9	{by partial reduction or decomposition of a solid metal compound}<br><br><u>WARNING</u><br>Group C22C1/1089&#160;is impacted by reclassification into groups C22C1/057&#160;and&#160;C22C1/059.<br>Groups C22C1/1089, C22C1/057 and C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/10	C22C1/10		72
C22C1/1094	9	{comprising an after-treatment}<br><br><u>NOTE</u><br><br>Documents classified in group C22C1/1094 are also classified in subclass C22F.<br><br><u>WARNING</u><br>Group&#160;C22C1/1094&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups&#160;C22C1/1094 and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C1/10	C22C1/10		273
C22C1/11	8	Making amorphous alloys	C22C1/11	C22C1/11		1045
C22C1/12	8	by processing in a semi-solid state, e.g. holding the alloy in the solid-liquid phase	C22C1/12	C22C1/12		552
C22C3/00	7	Removing material from alloys to produce alloys of different constitution {separation of the constituents of alloys}	C22C3/00	C22C3/00		197
C22C3/005	8	{Separation of the constituents of alloys}	C22C3/00	C22C3/00		123
C22C5/00	7	Alloys based on noble metals	C22C5/00	C22C5/00		482
C22C5/02	8	Alloys based on gold	C22C5/02	C22C5/02		1449
C22C5/04	8	Alloys based on a platinum group metal	C22C5/04	C22C5/04		1598
C22C5/06	8	Alloys based on silver	C22C5/06	C22C5/06		1878
C22C5/08	9	with copper as the next major constituent	C22C5/08	C22C5/08		540
C22C5/10	9	with cadmium as the next major constituent	C22C5/10	C22C5/10		59
C22C7/00	7	Alloys based on mercury	C22C7/00	C22C7/00		181
C22C9/00	7	Alloys based on copper	C22C9/00	C22C9/00		7178
C22C9/01	8	with aluminium as the next major constituent	C22C9/01	C22C9/01		1158
C22C9/02	8	with tin as the next major constituent	C22C9/02	C22C9/02		1768
C22C9/04	8	with zinc as the next major constituent	C22C9/04	C22C9/04		2714
C22C9/05	8	with manganese as the next major constituent	C22C9/05	C22C9/05		661
C22C9/06	8	with nickel or cobalt as the next major constituent	C22C9/06	C22C9/06		2717
C22C9/08	8	with lead as the next major constituent	C22C9/08	C22C9/08		231
C22C9/10	8	with silicon as the next major constituent	C22C9/10	C22C9/10		420
C22C11/00	7	Alloys based on lead	C22C11/00	C22C11/00		446
C22C11/02	8	with an alkali or an alkaline earth metal as the next major constituent	C22C11/02	C22C11/02		323
C22C11/04	8	with copper as the next major constituent	C22C11/04	C22C11/04		33
C22C11/06	8	with tin as the next major constituent	C22C11/06	C22C11/06		344
C22C11/08	8	with antimony or bismuth as the next major constituent	C22C11/08	C22C11/08		207
C22C11/10	9	with tin	C22C11/10	C22C11/10		175
C22C12/00	7	Alloys based on antimony or bismuth	C22C12/00	C22C12/00		717
C22C13/00	7	Alloys based on tin	C22C13/00	C22C13/00		1796
C22C13/02	8	with antimony or bismuth as the next major constituent	C22C13/02	C22C13/02		630
C22C14/00	7	Alloys based on titanium	C22C14/00	C22C14/00		6937
C22C16/00	7	Alloys based on zirconium	C22C16/00	C22C16/00		1242
C22C18/00	7	Alloys based on zinc	C22C18/00	C22C18/00		1848
C22C18/02	8	with copper as the next major constituent	C22C18/02	C22C18/02		456
C22C18/04	8	with aluminium as the next major constituent	C22C18/04	C22C18/04		1788
C22C19/00	7	Alloys based on nickel or cobalt	C22C19/00	C22C19/00		1201
C22C19/002	8	{with copper as the next major constituent}	C22C19/00	C22C19/00		294
C22C19/005	8	{with Manganese as the next major constituent}	C22C19/00	C22C19/00		117
C22C19/007	8	{with a light metal (alkali metal Li, Na, K, Rb, Cs; earth alkali metal Be, Mg, Ca, Sr, Ba, Al Ga, Ge, Ti) or B, Si, Zr, Hf, Sc, Y, lanthanides, actinides, as the next major constituent}	C22C19/00	C22C19/00		921
C22C19/03	8	based on nickel	C22C19/03	C22C19/03		3465
C22C19/05	9	with chromium	C22C19/05	C22C19/05		1289
C22C19/051	10	{and Mo or W}	C22C19/05	C22C19/05		192
C22C19/052	11	{with the maximum Cr content being at least 40%}	C22C19/05	C22C19/05		138
C22C19/053	11	{with the maximum Cr content being at least 30% but less than 40%}	C22C19/05	C22C19/05		451
C22C19/055	11	{with the maximum Cr content being at least 20% but less than 30%}	C22C19/05	C22C19/05		2097
C22C19/056	11	{with the maximum Cr content being at least 10% but less than 20%}	C22C19/05	C22C19/05		2316
C22C19/057	11	{with the maximum Cr content being less 10%}	C22C19/05	C22C19/05		1105
C22C19/058	10	{without Mo and W}	C22C19/05	C22C19/05		1865
C22C19/07	8	based on cobalt	C22C19/07	C22C19/07		2981
C22C20/00	7	Alloys based on cadmium	C22C20/00	C22C20/00		163
C22C21/00	7	Alloys based on aluminium<br><br><u>NOTE</u><br><br>In groups C22C21/14 - C22C21/18, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, an alloy is classified in the last appropriate place.<br>This Note corresponds to IPC Note (1) relating to C22C21/14 - C22C21/18.	C22C21/00	C22C21/00		10506
C22C21/003	8	{containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium}	C22C21/00	C22C21/00		1146
C22C21/006	8	{containing Hg}	C22C21/00	C22C21/00		44
C22C21/02	8	with silicon as the next major constituent	C22C21/02	C22C21/02		6911
C22C21/04	9	Modified aluminium-silicon alloys	C22C21/04	C22C21/04		1354
C22C21/06	8	with magnesium as the next major constituent	C22C21/06	C22C21/06		2510
C22C21/08	9	with silicon	C22C21/08	C22C21/08		4372
C22C21/10	8	with zinc as the next major constituent	C22C21/10	C22C21/10		3881
C22C21/12	8	with copper as the next major constituent	C22C21/12	C22C21/12		1348
C22C21/14	9	with silicon	C22C21/14	C22C21/14		1453
C22C21/16	9	with magnesium	C22C21/16	C22C21/16		1845
C22C21/18	9	with zinc	C22C21/18	C22C21/18		976
C22C22/00	7	Alloys based on manganese	C22C22/00	C22C22/00		654
C22C23/00	7	Alloys based on magnesium	C22C23/00	C22C23/00		3059
C22C23/02	8	with aluminium as the next major constituent	C22C23/02	C22C23/02		1876
C22C23/04	8	with zinc or cadmium as the next major constituent	C22C23/04	C22C23/04		1275
C22C23/06	8	with a rare earth metal as the next major constituent	C22C23/06	C22C23/06		1354
C22C24/00	7	Alloys based on an alkali or an alkaline earth metal	C22C24/00	C22C24/00		397
C22C25/00	7	Alloys based on beryllium	C22C25/00	C22C25/00		270
C22C26/00	7	Alloys containing diamond {or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes}	C22C26/00	C22C26/00		2770
C22C2026/001	8	{Fullerenes}	C22C26/00	C22C26/00		67
C22C2026/002	8	{Carbon nanotubes}	C22C26/00	C22C26/00		604
C22C2026/003	8	{Cubic boron nitrides only}	C22C26/00	C22C26/00		204
C22C2026/005	8	{with additional metal compounds being borides}	C22C26/00	C22C26/00		92
C22C2026/006	8	{with additional metal compounds being carbides}	C22C26/00	C22C26/00		282
C22C2026/007	8	{with additional metal compounds being nitrides}	C22C26/00	C22C26/00		98
C22C2026/008	8	{with additional metal compounds other than carbides, borides or nitrides}	C22C26/00	C22C26/00		150
C22C27/00	7	Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00	C22C27/00	C22C27/00		395
C22C27/02	8	Alloys based on vanadium, niobium, or tantalum	C22C27/02	C22C27/02		1399
C22C27/025	9	{alloys based on vanadium}	C22C27/02	C22C27/02		432
C22C27/04	8	Alloys based on tungsten or molybdenum	C22C27/04	C22C27/04		2735
C22C27/06	8	Alloys based on chromium	C22C27/06	C22C27/06		1037
C22C28/00	7	Alloys based on a metal not provided for in groups C22C5/00&#160;-&#160;C22C27/00	C22C28/00	C22C28/00		2309
C22C29/00	7	Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides {(C22C26/00 takes precedence)}	C22C29/00	C22C29/00		820
C22C29/005	8	{comprising a particular metallic binder}	C22C29/00	C22C29/00		1413
C22C29/02	8	based on carbides or carbonitrides	C22C29/02	C22C29/02		855
C22C29/04	9	based on carbonitrides	C22C29/04	C22C29/04		532
C22C29/06	9	based on carbides, but not containing other metal compounds	C22C29/06	C22C29/06		748
C22C29/062	10	{based on B4C}	C22C29/06	C22C29/06		88
C22C29/065	10	{based on SiC}	C22C29/06	C22C29/06		237
C22C29/067	10	{comprising a particular metallic binder}	C22C29/06	C22C29/06		1827
C22C29/08	10	based on tungsten carbide	C22C29/08	C22C29/08		2895
C22C29/10	10	based on titanium carbide	C22C29/10	C22C29/10		397
C22C29/12	8	based on oxides	C22C29/12	C22C29/12		974
C22C29/14	8	based on borides	C22C29/14	C22C29/14		478
C22C29/16	8	based on nitrides {(containing cubic BN or wurtzitic BN and diamond C22C26/00)}	C22C29/16	C22C29/16		578
C22C29/18	8	based on silicides	C22C29/18	C22C29/18		188
C22C30/00	7	Alloys containing less than 50% by weight of each constituent<br><br><u>NOTE</u><br><br>In groups C22C30/02 - C22C30/06, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, an alloy is classified in the last appropriate place. <br>This Note corresponds to IPC Note (1) relating to C22C30/02 - C22C30/06.	C22C30/00	C22C30/00		7359
C22C30/02	8	containing copper	C22C30/02	C22C30/02		3039
C22C30/04	8	containing tin or lead	C22C30/04	C22C30/04		1019
C22C30/06	8	containing zinc	C22C30/06	C22C30/06		1073
C22C32/00	7	Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ<br><br><u>NOTE</u><br><br>This group comprises also dispersion hardened alloys with less than 5% of dispersed compounds<br><br><u>WARNING</u><br>Group&#160;C22C32/00&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups&#160;C22C32/00&#160;and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C32/00	C22C32/00		1584
C22C32/0005	8	{with at least one oxide and at least one of carbides, nitrides, borides or silicides as the main non-metallic constituents}<br><br><u>WARNING</u><br>Group&#160;C22C32/0005&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups&#160;C22C32/0005&#160;and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C32/00	C22C32/00		869
C22C32/001	8	{with only oxides}<br><br><u>WARNING</u><br>Groups&#160;C22C32/001, C22C32/0015 and C22C32/0021 are impacted by reclassification into group&#160;C22C1/059.<br>All groups listed in this Warning should be considered in order to perform a complete search.	C22C32/00	C22C32/00		422
C22C32/0015	9	{with only single oxides as main non-metallic constituents}	C22C32/00	C22C32/00		341
C22C32/0021	10	{Matrix based on noble metals, Cu or alloys thereof}	C22C32/00	C22C32/00		809
C22C32/0026	10	{Matrix based on Ni, Co, Cr or alloys thereof}<br><br><u>WARNING</u><br>Group C22C32/0026 is impacted by reclassification into groups C22C1/059 and C22C33/0261. <br>Groups C22C32/0026, C22C1/059 and C22C33/0261 should be considered in order to perform a complete search.	C22C32/00	C22C32/00		663
C22C32/0031	10	{Matrix based on refractory metals, W, Mo, Nb, Hf, Ta, Zr, Ti, V or alloys thereof}<br><br><u>WARNING</u><br>Group C22C32/0031 is impacted by reclassification into group C22C1/059.<br>Groups C22C32/0031 and C22C1/059 should be considered in order to perform a complete search.	C22C32/00	C22C32/00		484
C22C32/0036	10	{Matrix based on Al, Mg, Be or alloys thereof}<br><br><u>WARNING</u><br>Group C22C32/0036 is impacted by reclassification into group C22C1/059.<br>Groups C22C32/0036 and C22C1/059 should be considered in order to perform a complete search.	C22C32/00	C22C32/00		650
C22C32/0042	10	{Matrix based on low melting metals, Pb, Sn, In, Zn, Cd or alloys thereof}<br><br><u>WARNING</u><br>Group C22C32/0042 is impacted by reclassification into group C22C1/059.<br>Groups C22C32/0042 and C22C1/059 should be considered in order to perform a complete search.	C22C32/00	C22C32/00		90
C22C32/0047	8	{with carbides, nitrides, borides or silicides as the main non-metallic constituents}<br><br><u>WARNING</u><br>Groups&#160;C22C32/0047, C22C32/0052, C22C32/0057, C22C32/0063, C22C32/0068, C22C32/0073&#160;and C22C32/0078&#160;are impacted by reclassification into group&#160;C22C1/059.<br>All&#160;groups&#160;listed in this Warning&#160;should be considered in order to perform a complete search.	C22C32/00	C22C32/00		905
C22C32/0052	9	{only carbides}	C22C32/00	C22C32/00		1508
C22C32/0057	10	{based on B4C}	C22C32/00	C22C32/00		225
C22C32/0063	10	{based on SiC}	C22C32/00	C22C32/00		642
C22C32/0068	9	{only nitrides}	C22C32/00	C22C32/00		568
C22C32/0073	9	{only borides}	C22C32/00	C22C32/00		699
C22C32/0078	9	{only silicides}	C22C32/00	C22C32/00		165
C22C32/0084	8	{carbon or graphite as the main non-metallic constituent}<br><br><u>WARNING</u><br>Group&#160;C22C32/0084&#160;is impacted by reclassification into group&#160;C22C1/059.&#160;<br>Groups&#160;C22C32/0084&#160;and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C32/00	C22C32/00		1015
C22C32/0089	8	{with other, not previously mentioned inorganic compounds as the main non-metallic constituent, e.g. sulfides, glass}<br><br><u>WARNING</u><br>Group&#160;C22C32/0089&#160;is impacted by reclassification into group&#160;C22C1/059.<br>Groups&#160;C22C32/0089 and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C32/00	C22C32/00		760
C22C32/0094	8	{with organic materials as the main non-metallic constituent, e.g. resin}<br><br><u>WARNING</u><br>Group&#160;C22C32/0094&#160;is impacted by reclassification into group&#160;C22C1/059. <br>Groups&#160;C22C32/0094 and&#160;C22C1/059&#160;should be considered in order to perform a complete search.	C22C32/00	C22C32/00		400
C22C33/00	7	Making ferrous alloys	C22C33/00	C22C33/00		274
C22C33/003	8	{making amorphous alloys}	C22C33/00	C22C33/00		713
C22C33/006	8	{compositions used for making ferrous alloys}	C22C33/00	C22C33/00		870
C22C33/02	8	by powder metallurgy (working metallic powder B22F)	C22C33/02	C22C33/02		1649
C22C33/0207	9	{Using a mixture of prealloyed powders or a master alloy (mixtures of metal powder in general B22F1/09)}	C22C33/02	C22C33/02		830
C22C33/0214	10	{comprising P or a phosphorus compound}	C22C33/02	C22C33/02		116
C22C33/0221	10	{comprising S or a sulfur compound}	C22C33/02	C22C33/02		108
C22C33/0228	10	{comprising other non-metallic compounds or more than 5% of graphite}	C22C33/02	C22C33/02		575
C22C33/0235	9	{Starting from compounds, e.g. oxides (manufacture of articles starting from powder comprising reducible metal compounds in general B22F3/001)}	C22C33/02	C22C33/02		322
C22C33/0242	9	{using the impregnating technique (impregnating articles in general B22F3/26)}	C22C33/02	C22C33/02		211
C22C33/025	9	{having an intermetallic of the REM-Fe type which is not magnetic}	C22C33/02	C22C33/02		13
C22C33/0257	9	{characterised by the range of the alloying elements}	C22C33/02	C22C33/02		583
C22C33/0261	10	{Matrix based on Fe for ODS steels}<br><br><u>WARNING</u><br>Group&#160;C22C33/0261&#160;is incomplete pending reclassification of documents from group C22C32/0026.<br>Groups C22C32/0026 and&#160;C22C33/0261&#160;should be considered in order to perform a complete search.	C22C33/02	C22C33/02		67
C22C33/0264	10	{the maximum content of each alloying element not exceeding 5%}	C22C33/02	C22C33/02		641
C22C33/0271	11	{with only C, Mn, Si, P, S, As as alloying elements, e.g. carbon steel}	C22C33/02	C22C33/02		132
C22C33/0278	10	{with at least one alloying element having a minimum content above 5%}	C22C33/02	C22C33/02		1125
C22C33/0285	11	{with Cr, Co, or Ni having a minimum content higher than 5%}	C22C33/02	C22C33/02		1488
C22C33/0292	11	{with more than 5% preformed carbides, nitrides or borides}	C22C33/02	C22C33/02		507
C22C33/04	8	by melting	C22C33/04	C22C33/04		10858
C22C33/06	9	using master alloys	C22C33/06	C22C33/06		5119
C22C33/08	8	Making cast-iron alloys	C22C33/08	C22C33/08		2089
C22C33/10	9	including procedures for adding magnesium	C22C33/10	C22C33/10		593
C22C33/12	10	by fluidised injection	C22C33/12	C22C33/12		98
C22C35/00	7	Master alloys for iron or steel	C22C35/00	C22C35/00		695
C22C35/005	8	{based on iron, e.g. ferro-alloys}	C22C35/00	C22C35/00		484
C22C37/00	7	Cast-iron alloys	C22C37/00	C22C37/00		695
C22C37/04	8	containing spheroidal graphite	C22C37/04	C22C37/04		1756
C22C37/06	8	containing chromium	C22C37/06	C22C37/06		1216
C22C37/08	9	with nickel	C22C37/08	C22C37/08		1238
C22C37/10	8	containing aluminium or silicon	C22C37/10	C22C37/10		3575
C22C38/00	7	Ferrous alloys, e.g. steel alloys (cast-iron alloys C22C37/00)	C22C38/00	C22C38/00		5845
C22C38/001	8	{containing N}	C22C38/00	C22C38/00		15945
C22C38/002	8	{containing In, Mg, or other elements not provided for in one single group C22C38/001&#160;-&#160;C22C38/60}	C22C38/00	C22C38/00		16465
C22C38/004	8	{Very low carbon steels, i.e. having a carbon content of less than 0,01%}	C22C38/00	C22C38/00		3669
C22C38/005	8	{containing rare earths, i.e. Sc, Y, Lanthanides}	C22C38/00	C22C38/00		7955
C22C38/007	8	{containing silver}	C22C38/00	C22C38/00		321
C22C38/008	8	{containing tin}	C22C38/00	C22C38/00		3497
C22C38/02	8	containing silicon	C22C38/02	C22C38/02		43470
C22C38/04	8	containing manganese	C22C38/04	C22C38/04		41626
C22C38/06	8	containing aluminium	C22C38/06	C22C38/06		27736
C22C38/08	8	containing nickel {(C22C38/105 takes precedence)}	C22C38/08	C22C38/08		7075
C22C38/10	8	containing cobalt	C22C38/10	C22C38/10		1929
C22C38/105	9	{containing Co and Ni}	C22C38/10	C22C38/10		1193
C22C38/12	8	containing tungsten, tantalum, molybdenum, vanadium, or niobium	C22C38/12	C22C38/12		13516
C22C38/14	8	containing titanium or zirconium	C22C38/14	C22C38/14		10889
C22C38/16	8	containing copper	C22C38/16	C22C38/16		6998
C22C38/18	8	containing chromium	C22C38/18	C22C38/18		6507
C22C38/20	9	with copper	C22C38/20	C22C38/20		3979
C22C38/22	9	with molybdenum or tungsten	C22C38/22	C22C38/22		9477
C22C38/24	9	with vanadium	C22C38/24	C22C38/24		6710
C22C38/26	9	with niobium or tantalum	C22C38/26	C22C38/26		6197
C22C38/28	9	with titanium or zirconium	C22C38/28	C22C38/28		7208
C22C38/30	9	with cobalt	C22C38/30	C22C38/30		1437
C22C38/32	9	with boron	C22C38/32	C22C38/32		5211
C22C38/34	9	with more than 1.5% by weight of silicon	C22C38/34	C22C38/34		3985
C22C38/36	9	with more than 1.7% by weight of carbon	C22C38/36	C22C38/36		583
C22C38/38	9	with more than 1.5% by weight of manganese	C22C38/38	C22C38/38		6388
C22C38/40	9	with nickel	C22C38/40	C22C38/40		3299
C22C38/42	10	with copper	C22C38/42	C22C38/42		11825
C22C38/44	10	with molybdenum or tungsten	C22C38/44	C22C38/44		16842
C22C38/46	10	with vanadium	C22C38/46	C22C38/46		9510
C22C38/48	10	with niobium or tantalum	C22C38/48	C22C38/48		9270
C22C38/50	10	with titanium or zirconium	C22C38/50	C22C38/50		9796
C22C38/52	10	with cobalt	C22C38/52	C22C38/52		2981
C22C38/54	10	with boron	C22C38/54	C22C38/54		5785
C22C38/56	10	with more than 1.7% by weight of carbon	C22C38/56	C22C38/56		583
C22C38/58	10	with more than 1.5% by weight of manganese	C22C38/58	C22C38/58		8821
C22C38/60	8	containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur	C22C38/60	C22C38/60		6283
C22C43/00	7	Alloys containing radioactive materials	C22C43/00	C22C43/00		266
C22C45/00	7	Amorphous alloys (making amorphous non-ferrous alloys C22C1/11)	C22C45/00	C22C45/00		630
C22C45/001	8	{with Cu as the major constituent}	C22C45/00	C22C45/00		242
C22C45/003	8	{with one or more of the noble metals as major constituent}	C22C45/00	C22C45/00		167
C22C45/005	8	{with Mg as the major constituent}	C22C45/00	C22C45/00		115
C22C45/006	8	{with Cr as the major constituent}	C22C45/00	C22C45/00		32
C22C45/008	8	{with Fe, Co or Ni as the major constituent (C22C45/02, C22C45/04 take precedence)}	C22C45/00	C22C45/00		265
C22C45/02	8	with iron as the major constituent	C22C45/02	C22C45/02		1464
C22C45/04	8	with nickel or cobalt as the major constituent	C22C45/04	C22C45/04		498
C22C45/06	8	with beryllium as the major constituent	C22C45/06	C22C45/06		11
C22C45/08	8	with aluminium as the major constituent	C22C45/08	C22C45/08		242
C22C45/10	8	with molybdenum, tungsten, niobium, tantalum, titanium, or zirconium {or Hf} as the major constituent	C22C45/10	C22C45/10		911
C22C47/00	7	Making alloys containing metallic or non-metallic fibres or filaments	C22C47/00	C22C47/00		290
C22C2047/005	8	{Working of filaments or rods into fibre reinforced metal by mechanical deformation}	C22C47/00	C22C47/00		6
C22C47/02	8	Pretreatment of the fibres or filaments	C22C47/02	C22C47/02		150
C22C47/025	9	{Aligning or orienting the fibres}	C22C47/02	C22C47/02		172
C22C47/04	9	by coating, e.g. with a protective or activated covering	C22C47/04	C22C47/04		538
C22C47/06	9	by forming the fibres or filaments into a preformed structure, e.g. using a temporary binder to form a mat-like element	C22C47/06	C22C47/06		408
C22C47/062	10	{from wires or filaments only}	C22C47/06	C22C47/06		54
C22C47/064	11	{Winding wires}	C22C47/06	C22C47/06		112
C22C47/066	11	{Weaving wires}	C22C47/06	C22C47/06		103
C22C47/068	11	{Aligning wires}	C22C47/06	C22C47/06		179
C22C47/08	8	by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould {(C22C47/16 takes precedence)}	C22C47/08	C22C47/08		949
C22C47/10	9	Infiltration in the presence of a reactive atmosphere; Reactive infiltration	C22C47/10	C22C47/10		24
C22C47/12	9	Infiltration or casting under mechanical pressure	C22C47/12	C22C47/12		227
C22C47/14	8	by powder metallurgy, i.e. by processing mixtures of metal powder and fibres or filaments	C22C47/14	C22C47/14		1139
C22C47/16	8	by thermal spraying of the metal, e.g. plasma spraying {(atomising molten metal comprising fibres see also C22C1/1042)}	C22C47/16	C22C47/16		70
C22C47/18	9	using a preformed structure of fibres or filaments	C22C47/18	C22C47/18		32
C22C47/20	8	by subjecting to pressure and heat an assembly comprising at least one metal layer or sheet and one layer of fibres or filaments	C22C47/20	C22C47/20		308
C22C2047/205	9	{placing wires inside grooves of a metal layer}	C22C47/20	C22C47/20		5
C22C49/00	7	Alloys containing metallic or non-metallic fibres or filaments	C22C49/00	C22C49/00		320
C22C49/02	8	characterised by the matrix material	C22C49/02	C22C49/02		570
C22C49/04	9	Light metals	C22C49/04	C22C49/04		242
C22C49/06	10	Aluminium	C22C49/06	C22C49/06		794
C22C49/08	9	Iron group metals	C22C49/08	C22C49/08		438
C22C49/10	9	Refractory metals	C22C49/10	C22C49/10		97
C22C49/11	10	Titanium	C22C49/11	C22C49/11		224
C22C49/12	9	Intermetallic matrix material	C22C49/12	C22C49/12		64
C22C49/14	8	characterised by the fibres or filaments	C22C49/14	C22C49/14		2075
C22C2200/00	7	Crystalline structure	CPCONLY	C22C2200/00		315
C22C2200/02	8	Amorphous	CPCONLY	C22C2200/02		636
C22C2200/04	8	Nanocrystalline	CPCONLY	C22C2200/04		383
C22C2200/06	8	Quasicrystalline	CPCONLY	C22C2200/06		31
C22C2202/00	7	Physical properties	CPCONLY	C22C2202/00		728
C22C2202/02	8	Magnetic	CPCONLY	C22C2202/02		2264
C22C2202/04	8	Hydrogen absorbing	CPCONLY	C22C2202/04		305
C22C2204/00	7	End product comprising different layers, coatings or parts of cermet	CPCONLY	C22C2204/00		398
