Top IPC subclasses
1
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C02F
|
6
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Treatment of water, waste water, sewage, or sludge
|
2
|
A61L
|
5
|
Methods or apparatus for sterilising materials or objects in general; disinfection, sterilisation, or deodorisation of air; chemical aspects of bandages, dressings, absorbent pads, or surgical articles; materials for bandages, dressings, absorbent pads, or surgical articles
|
3
|
A23K
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4
|
Feeding-stuffs specially adapted for animals; methods specially adapted for production thereof
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4
|
C12R
|
1
|
Indexing scheme associated with subclasses C12C-C12Q, relating to micro-organisms
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5
|
C12P
|
1
|
fermentation or enzyme-using processes to synthesise a desired chemical compound or composition or t
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6
|
C12N
|
1
|
Micro-organisms or enzymes; compositions thereof; propagating, preserving, or maintaining micro-organisms; mutation or genetic engineering; culture media
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