Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
February 2, 2016
Patent Application Number
12287449
Date Filed
October 9, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
Multimodal polyethylene resins having improved stress crack resistance and melt strength rendering them useful for the manufacture of thick-walled pipe are produced in a process wherein the second stage of the process is a copolymerization conducted at a high temperature with a low comonomer to ethylene ratio and a low hydrogen to ethylene ratio.
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