C04B 14/4643 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

C04B 14/4643

Full Title

Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone (expanding or defibrillating materials C04B20/00) > Fibrous materials; Whiskers > Rock wool

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.

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