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:
Jul. 18, 2006
Filed:
Nov. 22, 2001
Applicants:
Kenichi Ishihara, Matsuyama, JP;
Kazumasa Mizuno, Matsuyama, JP;
Minoru Nakashima, Matsuyama, JP;
Kazuhiro Sato, Osaka, JP;
Masanori Miyamoto, Matsuyama, JP;
Taizo Mori, Matsuyama, JP;
Inventors:
Kenichi Ishihara, Matsuyama, JP;
Kazumasa Mizuno, Matsuyama, JP;
Minoru Nakashima, Matsuyama, JP;
Kazuhiro Sato, Osaka, JP;
Masanori Miyamoto, Matsuyama, JP;
Taizo Mori, Matsuyama, JP;
Assignee:
Teijin Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 11/22 (2006.01); C08J 11/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A dimethyl terephthalate composition includes 0.001 to 200 ppm of methyl 4-(1,3-dioxolan-2-yl)benzoate and 0 to 1 ppm of dimethyl hydroxyterephthalate contained in dimethyl terephthalate, and exhibits improved properties as a material for producing polyester.