Processes using enzymes or micro-organisms in order to: liberate, separate or purify a pre-existing compound or composition, or to treat textiles or clean solid surfaces of materials are further classified in subclass . Attention is drawn to the following places: Polysaccharides, derivatives thereof Animal or vegetable oils, fats, fatty substances or waxes Biochemistry, beer, spirits, wine, vinegar Sugar industry. Processes using enzymes or micro-organisms in order to: liberate, separate or purify a pre-existing compound or composition, or to treat textiles or clean solid surfaces of materials are further classified in subclass . In this class, the following term is used with the meaning indicated: "furniture" covers also easels or stands, e.g. for blackboards or drawing tables.