C01B 23/001 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

C01B 23/001

Full Title

Noble gases; Compounds thereof (liquefying F25J )

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.