Top IPC subclasses
1
|
C07D
|
14
|
Heterocyclic compounds
|
2
|
C12N
|
14
|
Micro-organisms or enzymes; compositions thereof; propagating, preserving, or maintaining micro-organisms; mutation or genetic engineering; culture media
|
3
|
C07F
|
13
|
acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, hal
|
4
|
C12R
|
7
|
Indexing scheme associated with subclasses C12C-C12Q, relating to micro-organisms
|
5
|
C09K
|
4
|
materials for applications not otherwise provided forapplications of materials not otherwise provide
|
6
|
B01D
|
1
|
Separation
|
7
|
C07C
|
1
|
Acyclic or carbocyclic compounds
|
8
|
B01J
|
1
|
Chemical or physical processes, e.g. catalysis, colloid chemistry; their relevant apparatus
|
9
|
C12Q
|
1
|
measuring or testing processes involving enzymes or micro-organismscompositions or test papers there
|