Top IPC subclasses
|
1
|
A23K
|
6
|
Feeding-stuffs specially adapted for animals; methods specially adapted for production thereof
|
|
2
|
C12N
|
6
|
Micro-organisms or enzymes; compositions thereof; propagating, preserving, or maintaining micro-organisms; mutation or genetic engineering; culture media
|
|
3
|
A23L
|
4
|
Foods, foodstuffs, or non-alcoholic beverages, not covered by subclasses A21D or A23B-A23J; their preparation or treatment, e.g. cooking, modification of nutritive qualities, physical treatment; preservation of foods or foodstuffs, in general
|
|
4
|
C07D
|
3
|
Heterocyclic compounds
|
|
5
|
C07F
|
3
|
acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, hal
|
|
6
|
C07H
|
2
|
Sugars; derivatives thereof; nucleosides; nucleotides; nucleic acids
|
|
7
|
C12R
|
2
|
Indexing scheme associated with subclasses C12C-C12Q, relating to micro-organisms
|