B01F 21/40 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

B01F 21/40

Full Title

Dissolving (separating by dissolving B01D; dissolving to effect cooling F25D5/00)

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.