Top IPC subclasses
|
1
|
B01F
|
3
|
mixing, e.g. dissolving, emulsifying, dispersing
|
|
2
|
B01D
|
1
|
Separation
|
|
3
|
C07C
|
1
|
Acyclic or carbocyclic compounds
|
|
4
|
B01J
|
1
|
Chemical or physical processes, e.g. catalysis, colloid chemistry; their relevant apparatus
|
|
5
|
C10L
|
1
|
fuels not otherwise provided fornatural gassynthetic natural gas obtained by processes not covered b
|
|
6
|
C11C
|
1
|
fatty acids from fats, oils or waxescandlesfats, oils or fatty acids by chemical modification of fat
|