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John W Collette, Charles W Tullock: Fractionable, elastomeric poly (1-butene). E I Du Pont de Nemours and Company, James A Costello, November 3, 1981: US04298722 (20 worldwide citation)

A fractionable, elastomeric polymer of 1-butene consisting essentially of 30% to 80%, by weight, of an ether-soluble fraction having an intrinsic viscosity exceeding 1.5 and an infrared crystallinity value of about 1% to 15%; and 20% to 70%, by weight, of an ether-insoluble fraction having an infrar ...


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Collette John Wilfred, Tullock Charles William: Fractionable, elastomeric poly (1-butene). Collette John Wilfred, Tullock Charles William, March 18, 1982: WO/1982/000826

A fractionable, elastomeric polymer of 1-butene consisting essentially of 30% to 80% by weight, of an ether-soluble fraction having an intrinsic viscosity exceeding 1.5 and an infrared crystallinity value of about 1% to 15%; and 20% to 70% by weight, of an ether-insoluble fraction having an infrared ...