Unsaturated compounds having active hydrogen

Introduced: July 1974

Full Title

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

CPC subdivides this area 3x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

IPC defines codes here since 1974.

Child Classifications

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C08G 18/6705 CPC only CPC only
C08G 18/671 +5 CPC CPC only CPC only
C08G 18/675 +5 CPC CPC only CPC only
C08G 18/6795 CPC only CPC only
C08G 18/68 Unsaturated polyesters since 1974 +1 CPC IPC+CPC Available in IPC and CPC
C08G 18/69 Polymers of conjugated dienes since 1974 +4 CPC IPC+CPC Available in IPC and CPC