A61K 2039/51 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup Additional Only

A61K 2039/51

Full Title

Medicinal preparations containing antigens or antibodies (materials for immunoassay G01N33/53)

Of 5 combined children, 0 exist in both systems.

5 codes are CPC-only extensions.

Note: 5 CPC extensions are marked as secondary classification only.

This code exists only in CPC.

Diff view requires codes present in both systems.