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:
Mar. 13, 2007
Filed:
Sep. 18, 2002
Nobuo Minobe, Matsuyama, JP;
Ryoji Tsukamoto, Matsuyama, JP;
Tomoyoshi Yamamoto, Matsuyama, JP;
Tomoyuki Kishino, Matsuyama, JP;
Kenichi Ishihara, Matsuyama, JP;
Nobuo Minobe, Matsuyama, JP;
Ryoji Tsukamoto, Matsuyama, JP;
Tomoyoshi Yamamoto, Matsuyama, JP;
Tomoyuki Kishino, Matsuyama, JP;
Kenichi Ishihara, Matsuyama, JP;
Teijin Limited, Osaka, JP;
Abstract
A poly(ethylene aromatic dicarboxylate ester) resin usable for the production of fibers, films and bottle-formed articles, is produced by polycondensing a diester of an aromatic dicarboxylic acid with ethylene glycol by using a catalyst including a non-reacted mixture or reaction product of a titanium compound component including at least one member selected from titanium alkoxides and reaction products of the titanium alkoxides with aromatic polyvalent carboxylic acids or anhydrides thereof, with a specific phosphorus compound, in which catalyst the contents of titanium and phosphorus elements are controlled.