Top IPC subclasses
1
|
B01D
|
3
|
Separation
|
2
|
C12G
|
2
|
Wine; other alcoholic beverages; preparation thereof
|
3
|
C12H
|
2
|
pasteurisation, sterilisation, preservation, purification, clarification, ageing of alcoholic bevera
|
4
|
C12F
|
1
|
recovery of by-products of fermented solutionsdenaturing of, or denatured, alcohol
|