Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 13, 2011
Patent Application Number
12572313
Date Filed
October 2, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method and apparatus for chromatography of a polyolefin polymer by flowing a solution of the polyolefin polymer through liquid flowing through a graphitic carbon liquid chromatography stationary phase. The method can be used to determine the monomer to comonomer ratio of a polyolefin copolymer such as a copolymer of ethylene and 1-octene or a copolymer of propylene and ethylene.
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