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:
May. 23, 2006
Filed:
Apr. 27, 2005
Applicants:
Tomohiko Tanaka, Yokkaichi, JP;
Atsushi Kasai, Yokkaichi, JP;
Inventors:
Tomohiko Tanaka, Yokkaichi, JP;
Atsushi Kasai, Yokkaichi, JP;
Assignee:
Mitsubishi Chemical Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B29D 22/00 (2006.01); C08G 63/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
To provide a polyester resin particularly useful in application to optical films, etc. A polyester resin which is an alicyclic polyester comprising dicarboxylic acid units and diol units, characterized by the following (1) to (4):