DIFF Subgroup
C08L 23/18 Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
Introduced: July 1974
Full Title
Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers > not modified by chemical after-treatment > Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
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