C01C 1/0405 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

C01C 1/0405

Full Title

Ammonia; Compounds thereof > Preparation, or separation of ammonia > Preparation of ammonia by synthesis (preparation or purification of gas mixtures for ammonia synthesis C01B3/025)

Of 7 combined children, 0 exist in both systems.

7 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.

View in CPC →