Top IPC subclasses
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1
|
B01J
|
4
|
Chemical or physical processes, e.g. catalysis, colloid chemistry; their relevant apparatus
|
|
2
|
A61K
|
3
|
Preparations for medical, dental, or toilet purposes
|
|
3
|
C11B
|
2
|
producing (pressing, extraction), refining or preserving fats, fatty substances (e.g. lanolin), fatt
|
|
4
|
A23P
|
1
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shaping or working of foodstuffs, not fully covered by a single other subclass
|
|
5
|
A01N
|
1
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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
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