US Patent 7923525 Polyester resin and fabrication method thereof

Patent 7923525 was granted and assigned to Industrial Technology Research Institute on April, 2011 by the United States Patent and Trademark Office.

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Patent

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Current Assignee

Industrial Technology Research Institute

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

79235250

Patent Inventor Names

Hsin-Ching Kao0

Chih-Hsiang Lin0

Date of Patent

April 12, 2011

Patent Application Number

124680100

Date Filed

May 18, 2009

Patent Primary Examiner

‌

Terressa M. Boykin

Patent abstract

A polyester resin and a fabrication method thereof are provided. The fabrication method includes providing a diphenol monomer and a diacid monomer. The diphenol monomer is acetylated and then melt pre-polymerized with diacid monomer to form a pre-polymer. Then, the pre-polymer is polymerized by solid state polymerization to form a heat-resistant and transparent polyester resin.

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