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:
Jun. 09, 2009
Filed:
Jul. 16, 2002
Tomoyoshi Yamamoto, Matsuyama, JP;
Hiroki Nagano, Matsuyama, JP;
Minoru Suzuki, Matsuyama, JP;
Hiroshi Toyao, Matsuyama, JP;
Tomoyuki Kishino, Matsuyama, JP;
Nobuo Minobe, Matsuyama, JP;
Ryoji Tsukamoto, Matsuyama, JP;
Kenichi Ishihara, Matsuyama, JP;
Tomoyoshi Yamamoto, Matsuyama, JP;
Hiroki Nagano, Matsuyama, JP;
Minoru Suzuki, Matsuyama, JP;
Hiroshi Toyao, Matsuyama, JP;
Tomoyuki Kishino, Matsuyama, JP;
Nobuo Minobe, Matsuyama, JP;
Ryoji Tsukamoto, Matsuyama, JP;
Kenichi Ishihara, Matsuyama, JP;
Teijin Limited, Osaka, JP;
Abstract
A polyester having a good color tone (a high L value and a low b value) and a low acetaldehyde content is obtained by using a catalyst containing a reaction product of (A) a titanium compound (1) represented by the general formula (I) and/or a titanium compound (2) obtained by reacting the titanium compound (1) of the general formula (I) with an aromatic polyhydric carboxylic acid represented by the general formula (II) or an anhydride thereof, with (B) a phosphorus compound (3) represented by the general formula (III). [wherein R, R, R, Rand R=a C-Calkyl group, k=1 to 3, m=2 to 4, and R=a substituted or non-substituted C-Caryl group or a C-Calkyl group].