C08G 18/285 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

C08G 18/285

Full Title

Polymeric products of isocyanates or isothiocyanates > with compounds having active hydrogen > characterised by the compounds used containing active hydrogen

Of 4 combined children, 0 exist in both systems.

4 codes are CPC-only extensions.

This code exists only in CPC.

Diff view requires codes present in both systems.

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