Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 16, 2008
Patent Application Number
11180234
Date Filed
July 13, 2005
Patent Primary Examiner
Patent abstract
A method of making polybenzobisoxazole containing polymer by use of a non-polybenzobisoxazole polymer, hydroxylating the polymer, forming a solidified polymer and heating the solidified polymer wherein ring closure occurs in the hydroxylated polymer.
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