B01D 19/0404 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

B01D 19/0404

Full Title

Degasification of liquids > Foam dispersion or prevention (during boiling B01B1/02; during fermentation C12) > by addition of chemical substances

Of 8 combined children, 0 exist in both systems.

8 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.