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US Patent 7449534 Polymerization process for producing propylene copolymers

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Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7449534
Date of Patent
November 11, 2008
Patent Application Number
11543117
Date Filed
October 5, 2006
Patent Primary Examiner
‌
Caixia Lu
Patent abstract

The invention provides a process for the preparation of a propylene polymer in which proplylene and a comonomer copolymerizable therewith and of greater molecular weight than propylene are polymerized in a single site catalyst catalized polymerization reaction, characterized in that said polymerization reaction is effected at least in part at a temperature of at least 70° C.

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