The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 22, 2005
Filed:
May. 31, 2001
Hiroshi Sakurai, Iwakuni, JP;
Toyoaki Ishiwata, Iwakuni, JP;
Takanori Miyoshi, Iwakuni, JP;
Shunichi Matsumura, Iwakuni, JP;
Hiroshi Sakurai, Iwakuni, JP;
Toyoaki Ishiwata, Iwakuni, JP;
Takanori Miyoshi, Iwakuni, JP;
Shunichi Matsumura, Iwakuni, JP;
Teijin Limited, Osaka, JP;
Abstract
A wholly aromatic polyester carbonate having a good color and excellent heat resistant stability. This polymer had an extremely low alkali metal content of 10 ppm or less. This polymer is advantageously produced by reacting an aromatic dicarboxylic acid, aromatic diol and diaryl carbonate in a specific molar ratio in the presence of a pyridine-based compound as a catalyst.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile