Top IPC subclasses
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1
|
C07B
|
2
|
General methods of organic chemistry; apparatus therefor
|
|
2
|
B01J
|
2
|
Chemical or physical processes, e.g. catalysis, colloid chemistry; their relevant apparatus
|
|
3
|
C07D
|
1
|
Heterocyclic compounds
|
|
4
|
C07C
|
1
|
Acyclic or carbocyclic compounds
|
|
5
|
C08B
|
1
|
polysaccharidesderivatives thereof
|
|
6
|
A61K
|
1
|
Preparations for medical, dental, or toilet purposes
|
|
7
|
C12R
|
1
|
Indexing scheme associated with subclasses C12C-C12Q, relating to micro-organisms
|
|
8
|
C07F
|
1
|
acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, hal
|
|
9
|
C12N
|
1
|
Micro-organisms or enzymes; compositions thereof; propagating, preserving, or maintaining micro-organisms; mutation or genetic engineering; culture media
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