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. 05, 2023
Filed:
Oct. 17, 2019
Applicant:
Kureha Corporation, Tokyo, JP;
Inventors:
Tatsuaki Miyashita, Tokyo, JP;
Kazuyuki Suzuki, Tokyo, JP;
Assignee:
KUREHA CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 27/16 (2006.01); C08K 5/42 (2006.01); C08K 5/19 (2006.01);
U.S. Cl.
CPC ...
C08L 27/16 (2013.01); C08K 5/19 (2013.01); C08K 5/42 (2013.01); C08L 2201/10 (2013.01);
Abstract
A polyvinylidene fluoride resin composition of the present invention contains an alkyl quaternary ammonium sulfate, an alkali metal concentration in the polyvinylidene fluoride resin composition is 60 ppm or less, and a hydrogen fluoride concentration in the polyvinylidene fluoride is 5 ppm or less. The polyvinylidene fluoride resin composition of the present invention can express sufficient transparency even in a thick molded article.