DIFF Subgroup
C08G 18/6415 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 > Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
Of 4 combined children, 0 exist in both systems.
4 codes are CPC-only extensions.