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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.:

US 12633621 B1

PDFFull Text
Date of Patent:
May. 19, 2026

Filed:

Jun. 03, 2020

Separator for non-aqueous secondary battery and non-aqueous secondary battery

Applicant:

Teijin Limited, Osaka, JP;

Inventors:

Susumu Honda, Osaka, JP;

Satoshi Nishikawa, Osaka, JP;

Assignee:

TEIJIN LIMITED, Osaka, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Olatunji A Godo

Int. Cl.
CPC ...
H01M 50/446 (2021.01); B32B 5/24 (2006.01); B32B 7/12 (2006.01); C09J 7/29 (2018.01); C09J 7/38 (2018.01); C09J 127/16 (2006.01); H01M 10/0525 (2010.01); H01M 50/443 (2021.01); H01M 50/449 (2021.01); H01M 50/489 (2021.01); C08K 3/22 (2006.01); C08K 3/30 (2006.01);
U.S. Cl.
CPC ...
H01M 50/446 (2021.01); B32B 5/24 (2013.01); B32B 7/12 (2013.01); C09J 7/29 (2018.01); C09J 7/381 (2018.01); C09J 127/16 (2013.01); H01M 10/0525 (2013.01); H01M 50/443 (2021.01); H01M 50/449 (2021.01); H01M 50/489 (2021.01); B32B 2457/10 (2013.01); C08K 3/22 (2013.01); C08K 2003/2224 (2013.01); C08K 2003/3045 (2013.01); C09J 2203/33 (2013.01); C09J 2301/122 (2020.08); C09J 2301/124 (2020.08); C09J 2301/16 (2020.08); C09J 2301/41 (2020.08); C09J 2400/163 (2013.01); C09J 2427/00 (2013.01); C09J 2433/00 (2013.01); C09J 2477/006 (2013.01); C09J 2479/086 (2013.01);
Abstract

An embodiment of the present invention provides a separator for a non-aqueous secondary battery containing a porous substrate; a heat-resistant porous layer that is provided on one side or on both sides of the porous substrate, and that contains a binder resin and inorganic particles, the inorganic particles having an average primary particle diameter from 0.01 μm to less than 0.45 μm; and an adhesive layer that is provided on one side or on both sides of a laminated body of the porous substrate and the heat-resistant porous layer, and adhesive resin particles adhered to the laminated body.

Find Patent Forward Citations

Honda, Susumu. (2026). Separator for non-aqueous secondary battery and non-aqueous secondary battery (U.S. Patent No. 12633621). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12633621

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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