Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Steven R. Allen0
Michael Schelhaas0
Qinghong Fu Adkins0
Ralf Demuth0
David J. Rodini0
Doetze Jakob Sikkema0
Georg Valentin Martin0
Date of Patent
March 23, 2010
0Patent Application Number
113909390
Date Filed
March 27, 2006
0Patent Primary Examiner
Patent abstract
Disclosed are processes for preparing polyareneazole polymers including contacting a molar excess of a free base in water with a terephthalic acid salt to form an aqueous mixture, adjusting the pH to precipitate a monomer complex, contacting the monomer complex with metal powder, and polymerizing the monomer complex. Polyareneazoles, filaments and yarns are also disclosed.
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