C04B 22/002 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

C04B 22/002

Full Title

Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators

Of 5 combined children, 0 exist in both systems.

5 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.