Polymeric products of isocyanates or isothiocyanates

Introduced: July 1974

Of 5 combined children, 3 exist in both systems.

2 codes are CPC-only extensions.

IPC defines codes here since 1974.

Child Classifications

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C08G 18/003 CPC only CPC only
C08G 18/006 CPC only CPC only
C08G 18/02 of isocyanates or isothiocyanates only since 1974 +3 CPC IPC+CPC Available in IPC and CPC
C08G 18/04 with vinyl compounds since 1974 IPC+CPC Available in IPC and CPC
C08G 18/06 with compounds having active hydrogen since 1974 IPC+CPC Available in IPC and CPC