PROCESSES USING ENZYMES OR MICRO-ORGANISMS TO LIBERATE,...
C12S
1/1
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:
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]
1
/
00
Treatment of petroleum oils, shale oils or sand oils [5]
1
/
02
•
Desulfurising [5]
3
/
00
Treatment of animal or plant materials or micro-organisms [5]
3
/
02
•
Recovery or purification of carbohydrate material [5]
3
/
04
•
•
Cellulose, e.g. plant fibres [5]
3
/
06
•
•
•
Treatment of hemp or flax [5]
3
/
08
•
•
•
in the production of paper pulp [5]
3
/
10
•
•
Treatment of sugar or molasses [5]
3
/
12
•
•
Treatment of pectin or starch [5]
3
/
14
•
Recovery or purification of proteinaceous material [5]
3
/
16
•
•
Collagen or gelatin [5]
3
/
18
•
Recovery or purification of glyceridic oils, fats, ester-type waxes or fatty acids [5]
3
/
20
•
Removal of nucleic acids from intact or disrupted cells [5]
