Top IPC subclasses
|
1
|
C07C
|
11
|
Acyclic or carbocyclic compounds
|
|
2
|
G03G
|
7
|
Electrography; electrophotography; magnetography
|
|
3
|
C08F
|
5
|
macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
|
|
4
|
C09B
|
3
|
organic dyes or closely-related compounds for producing dyesmordantslakes
|
|
5
|
G03C
|
3
|
photosensitive materials for photographic purposesphotographic processes, e.g. cine, x-ray, colour,
|
|
6
|
A61K
|
2
|
Preparations for medical, dental, or toilet purposes
|
|
7
|
C09K
|
2
|
materials for applications not otherwise provided forapplications of materials not otherwise provide
|
|
8
|
C07D
|
1
|
Heterocyclic compounds
|
|
9
|
C01G
|
1
|
Compounds containing metals not covered by subclasses C01D or C01F
|
|
10
|
B82Y
|
1
|
|