DIFF Subgroup
C08G 18/70 characterised by the isocyanates or isothiocyanates used
Introduced: July 1974
Full Title
Polymeric products of isocyanates or isothiocyanates > with compounds having active hydrogen > characterised by the isocyanates or isothiocyanates used
CPC subdivides this area 2x 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 18/71 Monoisocyanates or monoisothiocyanates since 1974 +6 CPC IPC+CPC Available in IPC and CPC
- C08G 18/72 Polyisocyanates or polyisothiocyanates since 1974 +2 CPC IPC+CPC Available in IPC and CPC
- C08G 18/81 Unsaturated isocyanates or isothiocyanates since 1974 +4 CPC IPC+CPC Available in IPC and CPC