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. 09, 2019
Filed:
Apr. 03, 2017
Applicant:
Kaneka Corporation, Osaka-shi, JP;
Inventors:
Shusuke Yoshihara, Settsu, JP;
Hidekazu Kawakubo, Settsu, JP;
Keika Hattori, Settsu, JP;
Kazuaki Matsumoto, Settsu, JP;
Kazunori Saegusa, Settsu, JP;
Assignee:
KANEKA CORPORATION, Osaka-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08L 67/03 (2006.01); C08G 63/193 (2006.01); C08K 5/13 (2006.01); C08K 5/524 (2006.01); C08L 69/00 (2006.01); C08L 67/02 (2006.01);
U.S. Cl.
CPC ...
C08L 67/03 (2013.01); C08G 63/193 (2013.01); C08K 5/13 (2013.01); C08K 5/524 (2013.01); C08L 67/02 (2013.01); C08L 69/00 (2013.01);
Abstract
A method of improving flowability of polycarbonate or polyarylate includes mixing the polycarbonate or the polyarylate with a flowability improver including a polyester. The polyester is a polycondensate of monomers including a bisphenol component (B) and a dicarboxylic acid component (C) at a molar ratio satisfying (B):(C)=45:55-55:45. The polyester includes a portion derived from the bisphenol component (B) and the dicarboxylic acid component (C) in an amount of 50 mol % or more.