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:
Dec. 12, 2017
Filed:
Mar. 24, 2015
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Yuji Yamanaka, Nagoya, JP;
Hiroyuki Isago, Nagoya, JP;
Kei Saito, Nagoya, JP;
Hideki Matsumoto, Nagoya, JP;
Assignee:
Toray Industries Inc., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 77/42 (2006.01); C08G 81/00 (2006.01); C08G 65/02 (2006.01);
U.S. Cl.
CPC ...
C08G 81/00 (2013.01); C08G 77/42 (2013.01); C08G 65/02 (2013.01);
Abstract
A polyphenylene sulfide block copolymer contains polyphenylene sulfide units and polyorganosiloxane units and has a glass-transition temperature in the range of 80° C. or lower and a weight-average molecular weight in the range of 35,000 to 100,000. The polyphenylene sulfide block copolymer has high flexibility as well as high heat resistance and heat aging resistance.