Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 13, 2010
Patent Application Number
10635864
Date Filed
August 6, 2003
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention is directed to a bimodal polyethylene comprising ethylene derived units and units derived from at least one of a C4 to C12 olefin; wherein the polyethylene has a density of from 0.940 to 0.970 g/cm3; an I21/I2 of 80 or more; a residual Group 4 metal content of 2.0 ppm or less: a Mw/Mn of from 20 to 60; and wherein the polyethylene comprises a high molecular weight component and a low molecular weight component, the high molecular weight component present from 40 to 60 weight percent based on the total polyethylene, and wherein the bimodal polyethylene has a weight avenge molecular weight Mw of 180,000 a.m.u. or more.
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