High-molecular-weight compounds

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

Of 13 combined children, 11 exist in both systems.

2 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 18/4009 +8 CPC CPC only CPC only
C08G 18/409 CPC only CPC only
C08G 18/42 Polycondensates having carboxylic or carbonic ester groups in the main chain since 1974 +10 CPC IPC+CPC Available in IPC and CPC
C08G 18/48 Polyethers since 1974 +12 CPC IPC+CPC Available in IPC and CPC
C08G 18/52 Polythioethers since 1974 IPC+CPC Available in IPC and CPC
C08G 18/54 Polycondensates of aldehydes since 1974 +4 CPC IPC+CPC Available in IPC and CPC
C08G 18/56 Polyacetals since 1974 IPC+CPC Available in IPC and CPC
C08G 18/58 Epoxy resins since 1974 +6 CPC IPC+CPC Available in IPC and CPC
C08G 18/60 Polyamides or polyester-amides since 1974 +2 CPC IPC+CPC Available in IPC and CPC
C08G 18/61 Polysiloxanes since 1974 +1 CPC IPC+CPC Available in IPC and CPC
C08G 18/62 Polymers of compounds having carbon-to-carbon double bonds since 1974 +9 CPC IPC+CPC Available in IPC and CPC
C08G 18/63 Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers since 1974 +7 CPC IPC+CPC Available in IPC and CPC
C08G 18/64 Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63 since 1974 +8 CPC IPC+CPC Available in IPC and CPC