having four to nine carbon atoms

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 > having four to nine carbon atoms

Child Classifications

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• C08L 23/22 Copolymers of isobutene; Butyl rubber; Homopolymers or copolymers of other iso-olefins