Top IPC subclasses
|
1
|
A61K
|
42
|
Preparations for medical, dental, or toilet purposes
|
|
2
|
C08F
|
21
|
macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
|
|
3
|
G03G
|
19
|
Electrography; electrophotography; magnetography
|
|
4
|
C07D
|
13
|
Heterocyclic compounds
|
|
5
|
A61P
|
12
|
Specific therapeutic activity of chemical compounds or medicinal preparations
|
|
6
|
G03C
|
10
|
photosensitive materials for photographic purposesphotographic processes, e.g. cine, x-ray, colour,
|
|
7
|
C08B
|
9
|
polysaccharidesderivatives thereof
|
|
8
|
C08L
|
9
|
Compositions of macromolecular compounds
|
|
9
|
A01N
|
7
|
Preservation of bodies of humans or animals or plants or parts thereof; biocides, e.g. as disinfectants, as pesticides or as herbicides; pest repellants or attractants; plant growth regulators
|
|
10
|
C07C
|
6
|
Acyclic or carbocyclic compounds
|
|
11
|
C01G
|
5
|
Compounds containing metals not covered by subclasses C01D or C01F
|
|
12
|
C09B
|
5
|
organic dyes or closely-related compounds for producing dyesmordantslakes
|
|
13
|
C09K
|
4
|
materials for applications not otherwise provided forapplications of materials not otherwise provide
|
|
14
|
A01C
|
3
|
Planting; sowing; fertilising
|
|
15
|
G02B
|
3
|
optical elements, systems, or apparatus
|
|
16
|
B82B
|
2
|
nano-structuresmanufacture or treatment thereof
|
|
17
|
C07H
|
2
|
Sugars; derivatives thereof; nucleosides; nucleotides; nucleic acids
|
|
18
|
C30B
|
2
|
single-crystal growthunidirectional solidification of eutectic material or unidirectional demixing o
|
|
19
|
C08G
|
2
|
macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsatu
|
|
20
|
A01G
|
2
|
Horticulture; cultivation of vegetables, flowers, rice, fruit, vines, hops, or seaweed; forestry; watering
|