C09K 11/644 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

C09K 11/644

Full Title

Luminescent materials, e.g. electroluminescent or chemiluminescent > containing inorganic luminescent materials > containing aluminium

Of 1 combined children, 0 exist in both systems.

1 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.