Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael A. Risch0
Pradeep P. Shirodkar0
Peijun Jiang0
Robert O. Hagerty0
Randall B. Laird0
Chia S. Chee0
Date of Patent
December 28, 2010
0Patent Application Number
116293680
Date Filed
June 20, 2005
0Patent Primary Examiner
Patent abstract
This invention is directed to processes of making polymer in the presence of a fluorinated hydrocarbon and recovering the polymer. The processes provided enable polymerization processes to be practiced with minimal fouling in the reaction system, and allows for the recovery of the fluorinated hydrocarbon and other hydrocarbons such as hydrocarbons for reuse in the process or hydrocarbon by-products from the polymerization process. The invention is particularly beneficial in the production of propylene based polymers using Ziegler Natta catalyst systems.
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