Top IPC subclasses
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1
|
C12M
|
9
|
apparatus for enzymology or microbiology
|
|
2
|
C25B
|
5
|
Electrolytic or electrophoretic processes for the production of compounds or non- metals; apparatus therefor
|
|
3
|
C02F
|
3
|
Treatment of water, waste water, sewage, or sludge
|
|
4
|
B01D
|
2
|
Separation
|
|
5
|
C01G
|
2
|
Compounds containing metals not covered by subclasses C01D or C01F
|
|
6
|
C12P
|
2
|
fermentation or enzyme-using processes to synthesise a desired chemical compound or composition or t
|
|
7
|
C01B
|
1
|
non-metallic elementscompounds thereof
|
|
8
|
C12R
|
1
|
Indexing scheme associated with subclasses C12C-C12Q, relating to micro-organisms
|
|
9
|
A01G
|
1
|
Horticulture; cultivation of vegetables, flowers, rice, fruit, vines, hops, or seaweed; forestry; watering
|
|
10
|
C12N
|
1
|
Micro-organisms or enzymes; compositions thereof; propagating, preserving, or maintaining micro-organisms; mutation or genetic engineering; culture media
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