1/00 | Treatment of petroleum oils, shale oils or sand oils |
1/02 | Treatment of petroleum oils, shale oils or sand oils Desulfurising |
3/00 | Treatment of animal or plant materials or micro-organisms |
3/02 | Treatment of animal or plant materials or micro-organisms Recovery or purification of carbohydrate material |
3/04 | Treatment of animal or plant materials or micro-organisms Recovery or purification of carbohydrate material Cellulose, e.g. plant fibres |
3/06 | Treatment of animal or plant materials or micro-organisms Recovery or purification of carbohydrate material Cellulose, e.g. plant fibres Treatment of hemp or flax |
3/08 | Treatment of animal or plant materials or micro-organisms Recovery or purification of carbohydrate material Cellulose, e.g. plant fibres in the production of paper pulp |
3/10 | Treatment of animal or plant materials or micro-organisms Recovery or purification of carbohydrate material Treatment of sugar or molasses |
3/12 | Treatment of animal or plant materials or micro-organisms Recovery or purification of carbohydrate material Treatment of pectin or starch |
3/14 | Treatment of animal or plant materials or micro-organisms Recovery or purification of proteinaceous material |
3/16 | Treatment of animal or plant materials or micro-organisms Recovery or purification of proteinaceous material Collagen or gelatin |
3/18 | Treatment of animal or plant materials or micro-organisms Recovery or purification of glyceridic oils, fats, ester-type waxes or fatty acids |
3/20 | Treatment of animal or plant materials or micro-organisms Removal of nucleic acids from intact or disrupted cells |
3/22 | Treatment of animal or plant materials or micro-organisms Treatment of blood fractions |
3/24 | Treatment of animal or plant materials or micro-organisms Treatment of animal secretions or organs |
5/00 | Treatment of emulsions, gases or foams |
7/00 | Treatment of hides, e.g. depilating, bating |
9/00 | Cleaning solid surfaces of materials |
11/00 | Treatment of textiles, e.g. cleaning |
99/00 | Subject matter not provided for in other groups of this subclass |