Top IPC subclasses
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1
|
A61K
|
10
|
Preparations for medical, dental, or toilet purposes
|
|
2
|
A24B
|
9
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manufacture or preparation of tobacco for smoking or chewingtobaccosnuff
|
|
3
|
C02F
|
8
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Treatment of water, waste water, sewage, or sludge
|
|
4
|
A01N
|
8
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Preservation of bodies of humans or animals or plants or parts thereof; biocides, e.g. as disinfectants, as pesticides or as herbicides; pest repellants or attractants; plant growth regulators
|
|
5
|
A01B
|
7
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Soil working in agriculture or forestry; parts, details, or accessories of agricultural machines or implements, in general
|
|
6
|
C07C
|
5
|
Acyclic or carbocyclic compounds
|
|
7
|
A61P
|
4
|
Specific therapeutic activity of chemical compounds or medicinal preparations
|
|
8
|
C12N
|
4
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Micro-organisms or enzymes; compositions thereof; propagating, preserving, or maintaining micro-organisms; mutation or genetic engineering; culture media
|
|
9
|
C12R
|
3
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Indexing scheme associated with subclasses C12C-C12Q, relating to micro-organisms
|
|
10
|
C07D
|
2
|
Heterocyclic compounds
|
|
11
|
C11B
|
2
|
producing (pressing, extraction), refining or preserving fats, fatty substances (e.g. lanolin), fatt
|
|
12
|
A62D
|
2
|
chemical means for extinguishing firesprocesses for making harmful chemical substances harmless, or
|
|
13
|
A01G
|
2
|
Horticulture; cultivation of vegetables, flowers, rice, fruit, vines, hops, or seaweed; forestry; watering
|
|
14
|
A01P
|
2
|
Biocidal, pest repellant, pest attractant or plant growth regulatory activity of chemical compounds or preparations
|
|
15
|
C01G
|
1
|
Compounds containing metals not covered by subclasses C01D or C01F
|
|
16
|
C10L
|
1
|
fuels not otherwise provided fornatural gassynthetic natural gas obtained by processes not covered b
|
|
17
|
C11C
|
1
|
fatty acids from fats, oils or waxescandlesfats, oils or fatty acids by chemical modification of fat
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