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US Patent 7884173 Aromatic polyester and manufacturing process thereof

Patent 7884173 was granted and assigned to Teijin on February, 2011 by the United States Patent and Trademark Office.

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Patent
Patent

Patent attributes

Current Assignee
Teijin
Teijin
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7884173
Date of Patent
February 8, 2011
Patent Application Number
12374538
Date Filed
July 19, 2007
Patent Primary Examiner
‌
Terressa M. Boykin
Patent abstract

To provide an aromatic polyester which is formed into a film having excellent heat resistance, color, mechanical properties, dimensional stability and gas barrier properties and a manufacturing process thereof;the aromatic polyester comprises a dicabroxylic acid component and a diol component, wherein(i) the dicarboxylic acid component contains 50 to 100 mol % of a recurring unit represented by the following formula (A):

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