Low-molecular-weight compounds having active hydrogen with high-molecular-weight 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 > Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen

CPC subdivides this area 6x more granularly than IPC with 5 additional codes.

5 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 18/6505 +2 CPC CPC only CPC only
C08G 18/6541 CPC only CPC only
C08G 18/6547 CPC only CPC only
C08G 18/6552 +1 CPC CPC only CPC only
C08G 18/6576 +1 CPC CPC only CPC only
C08G 18/66 Compounds of groups C08G18/42, C08G18/48, or C08G18/52 since 1974 +5 CPC IPC+CPC Available in IPC and CPC