Polyethers

Introduced: July 1974

Full Title

Polymeric products of isocyanates or isothiocyanates > with compounds having active hydrogen > characterised by the compounds used containing active hydrogen > High-molecular-weight compounds > Polyethers

CPC subdivides this area 13x more granularly than IPC with 12 additional codes.

12 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

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C08G 18/4804 +4 CPC CPC only CPC only
C08G 18/4825 CPC only CPC only
C08G 18/4829 CPC only CPC only
C08G 18/4833 +1 CPC CPC only CPC only
C08G 18/4854 CPC only CPC only
C08G 18/4858 CPC only CPC only
C08G 18/4862 CPC only CPC only
C08G 18/4866 CPC only CPC only
C08G 18/487 +3 CPC CPC only CPC only
C08G 18/4887 CPC only CPC only
C08G 18/4891 CPC only CPC only
C08G 18/4895 CPC only CPC only
C08G 18/50 having heteroatoms other than oxygen since 1974 +5 CPC IPC+CPC Available in IPC and CPC