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:
Oct. 23, 2018
Filed:
Sep. 24, 2015
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Hiroo Katsuta, Shizuoka, JP;
Reo Mitsunaga, Ehime, JP;
Daisuke Yamamoto, Aichi, JP;
Shunsuke Horiuchi, Aichi, JP;
Yoshitsugu Funatsu, Shizuoka, JP;
Assignee:
Toray Industries, Inc., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 75/00 (2006.01); C08G 75/16 (2006.01); C08K 5/375 (2006.01); C08L 23/32 (2006.01); D01D 5/12 (2006.01); D01F 6/76 (2006.01); B01D 39/08 (2006.01); C08G 75/02 (2016.01);
U.S. Cl.
CPC ...
C08G 75/16 (2013.01); B01D 39/083 (2013.01); C08G 75/02 (2013.01); C08K 5/375 (2013.01); C08L 23/32 (2013.01); D01D 5/12 (2013.01); D01F 6/765 (2013.01); B01D 2239/0618 (2013.01);
Abstract
A poly(phenylene sulfide) fiber changes little in fiber structure and has excellent long-term heat resistance. Namely, the poly(phenylene sulfide) fiber has a degree of crystallization of 45.0% or higher, a content of movable amorphous components of 15.0% or less, and a weight-average molecular weight of 300,000 or less.