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. 03, 2023
Filed:
Jun. 30, 2016
Applicant:
Teijin Limited, Osaka, JP;
Inventors:
Susumu Honda, Osaka, JP;
Satoshi Nishikawa, Osaka, JP;
Takashi Yoshitomi, Osaka, JP;
Tomoya Hamada, Osaka, JP;
Yoshimitsu Takano, Osaka, JP;
Assignee:
TEIJIN LIMITED, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/44 (2021.01); H01M 10/0587 (2010.01); B32B 5/22 (2006.01); B32B 27/20 (2006.01); H01M 10/04 (2006.01); H01M 50/457 (2021.01); H01M 50/451 (2021.01); H01M 50/489 (2021.01); H01M 10/0525 (2010.01); H01M 50/491 (2021.01); B32B 27/30 (2006.01); H01M 50/417 (2021.01); H01M 10/0566 (2010.01); H01M 50/403 (2021.01);
U.S. Cl.
CPC ...
H01M 50/44 (2021.01); B32B 5/22 (2013.01); B32B 27/20 (2013.01); B32B 27/30 (2013.01); H01M 10/0431 (2013.01); H01M 10/0525 (2013.01); H01M 10/0587 (2013.01); H01M 50/417 (2021.01); H01M 50/451 (2021.01); H01M 50/457 (2021.01); H01M 50/489 (2021.01); H01M 10/0566 (2013.01); H01M 50/403 (2021.01); H01M 50/491 (2021.01); H01M 2220/30 (2013.01);
Abstract
A separator includes a porous substrate, and a porous layer formed on one or both surfaces of the substrate and containing a polyvinylidene fluoride type resin and a filler, in which the filler content in the porous layer is from 30 to 80% by mass with respect to the total mass of the polyvinylidene fluoride type resin and the filler, and the polyvinylidene fluoride type resin is at least one resin selected from the following resin A and B: