Top IPC subclasses
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1
|
C07F
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3
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acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, hal
|
|
2
|
C07C
|
2
|
Acyclic or carbocyclic compounds
|
|
3
|
C01G
|
2
|
Compounds containing metals not covered by subclasses C01D or C01F
|
|
4
|
A23K
|
2
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Feeding-stuffs specially adapted for animals; methods specially adapted for production thereof
|
|
5
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C01B
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1
|
non-metallic elementscompounds thereof
|
|
6
|
A61K
|
1
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Preparations for medical, dental, or toilet purposes
|
|
7
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A61P
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1
|
Specific therapeutic activity of chemical compounds or medicinal preparations
|
|
8
|
C12R
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1
|
Indexing scheme associated with subclasses C12C-C12Q, relating to micro-organisms
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|
9
|
C12N
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1
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Micro-organisms or enzymes; compositions thereof; propagating, preserving, or maintaining micro-organisms; mutation or genetic engineering; culture media
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