DIFF Subgroup
B01D 19/04 by addition of chemical substances
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Degasification of liquids > Foam dispersion or prevention > by addition of chemical substances
CPC:
Degasification of liquids > Foam dispersion or prevention (during boiling B01B1/02; during fermentation C12) > by addition of chemical substances
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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