DIFF Subgroup Additional Only
C09K 2200/0635 Halogen-containing polymers, e.g. PVC
Full Title
Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers > Macromolecular organic compounds, e.g. prepolymers > obtained by reactions only involving carbon-to-carbon unsaturated bonds > Halogen-containing polymers, e.g. PVC
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.