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PCE
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DIFF Subgroup
C08L 27/22

modified by chemical after-treatment

Introduced: July 1974

Full Title

Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers > modified by chemical after-treatment

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1974.

Child Classifications

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  • C08L 27/24 halogenated since 1974 IPC+CPC Available in IPC and CPC