Top IPC subclasses
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1
|
C07C
|
8
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Acyclic or carbocyclic compounds
|
|
2
|
C01G
|
7
|
Compounds containing metals not covered by subclasses C01D or C01F
|
|
3
|
C07F
|
5
|
acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, hal
|
|
4
|
C09K
|
4
|
materials for applications not otherwise provided forapplications of materials not otherwise provide
|
|
5
|
H01B
|
4
|
cablesconductorsinsulatorsselection of materials for their conductive, insulating, or dielectric pro
|
|
6
|
B82B
|
3
|
nano-structuresmanufacture or treatment thereof
|
|
7
|
A61K
|
3
|
Preparations for medical, dental, or toilet purposes
|
|
8
|
C30B
|
3
|
single-crystal growthunidirectional solidification of eutectic material or unidirectional demixing o
|
|
9
|
C12P
|
2
|
fermentation or enzyme-using processes to synthesise a desired chemical compound or composition or t
|
|
10
|
C07D
|
1
|
Heterocyclic compounds
|
|
11
|
C08L
|
1
|
Compositions of macromolecular compounds
|
|
12
|
A61P
|
1
|
Specific therapeutic activity of chemical compounds or medicinal preparations
|
|
13
|
H01F
|
1
|
magnetsinductancestransformersselection of materials for their magnetic properties
|
|
14
|
C01F
|
1
|
compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium
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