Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jean News0
Marco Ciarafoni0
Paola Massari0
Date of Patent
January 19, 2010
0Patent Application Number
115965030
Date Filed
May 4, 2005
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A heterophasic polyolefin composition comprising:(A) 50-0% of a crystalline propylene polymer;(B) 5-20% of a first elastomeric copolymer of ethylene with at least a C3-C8 α-olefin comonomer; and(C) 10-45% of a second elastomeric copolymer of ethylene with at least a C3-C8 α-olefin comonomer;wherein the ratio between the ethylene content of the fraction insoluble in xylene at room temperature (C2xif) multiplied by the weight percentage of the fraction insoluble in xylene at room temperature (% XIF) and the ethylene content of the fraction soluble in xylene at room temperature (C2xsf) multiplied by the weight percentage of fraction soluble in xylene at room temperature (% SXF) satisfies the following relation (I):
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