C14C1/00	7	Chemical treatment prior to tanning	C14C1/00	C14C1/00		404
C14C1/02	8	Curing raw hides	C14C1/02	C14C1/02		204
C14C1/04	8	Soaking	C14C1/04	C14C1/04		380
C14C1/06	8	Facilitating unhairing, e.g. by painting, by liming	C14C1/06	C14C1/06		549
C14C1/065	9	{Enzymatic unhairing}	C14C1/06	C14C1/06		255
C14C1/08	8	Deliming; Bating; Pickling; Degreasing	C14C1/08	C14C1/08		1044
C14C3/00	7	Tanning; Compositions for tanning	C14C3/00	C14C3/00		247
C14C3/02	8	Chemical tanning	C14C3/02	C14C3/02		480
C14C3/04	9	Mineral tanning	C14C3/04	C14C3/04		630
C14C3/06	10	using chromium compounds	C14C3/06	C14C3/06		549
C14C3/08	9	by organic agents	C14C3/08	C14C3/08		806
C14C3/10	10	Vegetable tanning	C14C3/10	C14C3/10		396
C14C3/12	11	using purified or modified vegetable tanning agents	C14C3/12	C14C3/12		194
C14C3/14	10	Fat tanning; Oil tanning	C14C3/14	C14C3/14		91
C14C3/16	10	using aliphatic aldehydes	C14C3/16	C14C3/16		152
C14C3/18	10	using polycondensation products or precursors thereof	C14C3/18	C14C3/18		300
C14C3/20	11	sulfonated	C14C3/20	C14C3/20		713
C14C3/22	10	using polymerisation products	C14C3/22	C14C3/22		409
C14C3/24	10	using lignin derivatives, e.g. sulfate liquor	C14C3/24	C14C3/24		210
C14C3/26	10	using other organic substances, containing halogen	C14C3/26	C14C3/26		81
C14C3/28	9	Multi-step processes	C14C3/28	C14C3/28		780
C14C3/30	9	using physical means combined with chemical means	C14C3/30	C14C3/30		151
C14C3/32	8	Recovering tanning agents from leather	C14C3/32	C14C3/32		56
C14C5/00	7	Degreasing leather	C14C5/00	C14C5/00		173
C14C7/00	7	Pasting processes (chemical part)	C14C7/00	C14C7/00		65
C14C9/00	7	Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes	C14C9/00	C14C9/00		1633
C14C9/02	8	using fatty or oily materials, e.g. fat liquoring	C14C9/02	C14C9/02		1198
C14C9/04	8	Fixing tanning agents in the leather	C14C9/04	C14C9/04		94
C14C11/00	7	Surface finishing of leather	C14C11/00	C14C11/00		1489
C14C11/003	8	{using macromolecular compounds}	C14C11/00	C14C11/00		1196
C14C11/006	9	{using polymeric products of isocyanates (or isothiocyanates) with compounds having active hydrogen}	C14C11/00	C14C11/00		549
C14C13/00	7	Manufacture of special kinds or leather, e.g. vellum (chamois tanning C14C3/14)	C14C13/00	C14C13/00		353
C14C13/02	8	Manufacture of technical leather	C14C13/02	C14C13/02		61
C14C15/00	7	Apparatus for chemical treatment or washing of hides, skins, or leather	C14C15/00	C14C15/00		1410
C14C99/00	7	Subject matter not provided for in other groups of this subclass	C14C99/00	C14C99/00		15
