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:
Mar. 19, 2024
Filed:
Dec. 06, 2021
Applicant:
Polyplastics Co., Ltd., Tokyo, JP;
Inventor:
Katsuhei Ohnishi, Fuji, JP;
Assignee:
Polyplastics Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/38 (2006.01); C08G 75/0204 (2016.01); C08K 3/36 (2006.01);
U.S. Cl.
CPC ...
C08G 75/0204 (2013.01); C08K 3/36 (2013.01); G02B 6/38 (2013.01); C08K 2201/005 (2013.01); C08K 2201/014 (2013.01);
Abstract
A polyarylene sulfide resin composition which yields a molded article with excellent toughness, as well as a molded article and an optical ferrule, which are produced using the polyarylene sulfide resin composition. In a polyarylene sulfide resin composition containing a polyarylene sulfide resin and silica particles, a specific amount of a polyarylene sulfide resin having a melt viscosity of 35 to 80 Pa·s, and a specific amount of silica particles having a lower content of coarse powders with a particle size of 45 μm or more are employed.