Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Camillo Cagnani0
Claudio Cavalieri0
Enrico Beccarini0
Date of Patent
July 19, 2011
Patent Application Number
12451595
Date Filed
May 7, 2008
Patent Primary Examiner
Patent abstract
A process for the preparation of a propylene copolymer composition having a Flexural modulus lower than 500 MPa, a total ethylene content higher than 9% and a Xylene soluble fraction at room temperature higher than 20% comprising at least one polymerization step carried out in a gas-phase polymerization reactor comprising at least two interconnected polymerization zones said process being characterized by the fact that at least 30% by weight of said xylene soluble fraction is produced in the polymerization step carried out in a gas-phase polymerization reactor comprising at least two interconnected polymerization zones.
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