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:
Sep. 25, 2018
Filed:
Oct. 18, 2017
Applicant:
Kureha Corporation, Tokyo, JP;
Inventors:
Akihiro Konno, Tokyo, JP;
Yasuhiro Suzuki, Tokyo, JP;
Assignee:
KUREHA CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 75/00 (2006.01); C08G 75/0231 (2016.01); C08G 75/02 (2016.01); C08G 75/0213 (2016.01); C08G 75/0259 (2016.01);
U.S. Cl.
CPC ...
C08G 75/0231 (2013.01); C08G 75/02 (2013.01); C08G 75/0213 (2013.01); C08G 75/0259 (2013.01);
Abstract
A branched polyarylene sulfide resin includes an —S— substituent group with a cleaved disulfide compound, which has a halogen content of 4,000 ppm or less, a melt viscosity as measured at a temperature of 330° C. and a shear rate of 2 secof 1.0×10to 50.0×10Pa·s, and a melt viscoelasticity tan δ as measured at a temperature of 310° C. and an angular velocity of 1 rad/sec of 0.1 to 0.6.