Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 16, 2010
Patent Application Number
11628183
Date Filed
June 20, 2005
Patent Primary Examiner
Patent abstract
This invention relates to a continuous process to prepare olefin impact copolymers comprising producing a semi-crystalline olefin polymer in a first reactor and then transferring the reactor contents to a second reactor where a low crystallinity olefin polymer is produced in the presence of the semi-crystalline polymer, where a fluorinated hydrocarbon is present in the polymerization medium of the first reactor, the second reactor or both reactors.
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