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.

Date of Patent:
Nov. 03, 2026

Filed:

Feb. 21, 2022
Applicant:

Zeon Corporation, Tokyo, JP;

Inventor:

Hiroyuki Taguchi, Tokyo, JP;

Assignee:

ZEON CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/443 (2021.01); H01M 10/0525 (2010.01); H01M 50/417 (2021.01); H01M 50/449 (2021.01);
U.S. Cl.
CPC ...
H01M 50/443 (2021.01); H01M 50/417 (2021.01); H01M 50/449 (2021.01); H01M 10/0525 (2013.01);
Abstract

A composition for an electrochemical device functional layer comprising a particulate polymer, a binder, and heat-resistant fine particles. The particulate polymer has a volume average particle diameter of 1.0 μm or more and 10.0 μm or less, and has a structure in which an intermediate portion which has the lowest glass transition temperature is sandwiched by an inner core portion and an outer shell portion each having a glass transition temperature higher than that of the intermediate portion.


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Taguchi, Hiroyuki. (2026). Composition for electrochemical device functional layer, laminate for electrochemical device, and electrochemical device (U.S. Patent No. 12785214). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12785214

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