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:
Apr. 22, 2014
Filed:
Aug. 30, 2013
Asahi Glass Company, Limited, Tokyo, JP;
Jumpei Nomura, Tokyo, JP;
Hidekazu Okamoto, Tokyo, JP;
Atsushi Fujimori, Tokyo, JP;
Takashi Okazoe, Tokyo, JP;
Asashi Glass Company Limited, Tokyo, JP;
Abstract
The present invention relates to a method for producing a polyester, containing conducting a transesterification reaction of at least one compound selected from compounds represented by the following formulae (1) to (3) with a diol compound in the presence of a catalyst: wherein Ar is a divalent aromatic hydrocarbon group or the like; Ris CXYR; Ris a hydrogen atom or CXYR; Ris a hydrogen atom or CXYR; Ris a perfluoroalkylene group having 1 to 5 carbon atoms; Xto Xare a hydrogen atom, a fluorine atom or R; Yto Yare a fluorine atom or R; Rto Rare a fluorine atom, R, ORor the like; and Ris a fluoroalkyl group having 1 to 4 carbon atoms.