IPC 6 English version C12S !A-C12S 13/00

C12S-C12S01300

SECTION C– CHEMISTRY; METALLURGY

C 12

BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING

C 12 S

PROCESSES USING ENZYMES OR MICRO-ORGANISMS TO LIBERATE, SEPARATE OR PURIFY A PRE-EXISTING COMPOUND OR COMPOSITION (biological treatment of water, waste water, or sewage C 02 F 3/00, of sludge C 02 F 11/02; processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture C 12 P 41/00); PROCESSES USING ENZYMES OR MICRO-ORGANISMS TO TREAT TEXTILES OR TO CLEAN SOLID SURFACES OF MATERIALS [5]

Notes

(1)

This subclass covers processes already provided for in:

           A 21,       C 01,         D 01 C,
           A 23,       C 05 F,       D 01 F 
           A 61 L,     C 08,         D 06 L,
           A 62 D,     C 09 B,       D 06 M,
                       C 09 H       D 06 P 
           B 01 D,     C 10 G,       D 21 C,
           B 08 B     C 13,         D 21 H 
           B 09 C     C 14 C 
                       C 21 B,       F 24 F,
                       C 22 B       F 24 J 
                       C 23 F,       F 26 B 
                       C 23 G 
                                   H 01 M

This subclass is intended to provide a basis for a complete search to be made with respect to the subject matter defined by the subclass title and, therefore, all relevant information is classified in this subclass, even if classified elsewhere. [5]

(2)

Attention is drawn to Notes (1) to (3) following the title of class C 12. [5]

(3)

The classification symbols of this subclass are not listed first when printed on the patent documents. [5]

(4)

In this subclass, it is desirable to add the indexing codes of subclass C 12 R. The indexing codes should be linked. [6]

Treatment of petroleum oils, shale oils or sand oils [5]

Desulfurising [5]

Treatment of animal or plant materials or micro-organisms [5]

Recovery or purification of carbohydrate material [5]

Cellulose, e.g. plant fibres [5]

Treatment of hemp or flax [5]

in the production of paper pulp [5]

Treatment of sugar or molasses [5]

Treatment of pectin or starch [5]

Recovery or purification of proteinaceous material [5]

Collagen or gelatin [5]

Recovery or purification of glyceridic oils, fats, ester-type waxes or fatty acids [5]

Removal of nucleic acids from intact or disrupted cells [5]

Treatment of blood fractions [5]

Treatment of animal secretions or organs [5]

Treatment of emulsions, gases or foams [5]

Treatment of hides, e.g. depilating, bating [5]

Cleaning solid surfaces of materials [5]

11/

Treatment of textiles, e.g. cleaning [5]

13/

Processes not provided for in groups C 12 S 1/00 to C 12 S 11/00 [5]