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:
Jun. 23, 2026

Filed:

Sep. 28, 2023
Applicant:

Agc Inc., Tokyo, JP;

Inventors:

Satoshi Matsushita, Tokyo, JP;

Takumi Okuyama, Tokyo, JP;

Susumu Saito, Tokyo, JP;

Assignee:

AGC INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/1039 (2016.01); C08F 214/26 (2006.01); C08J 5/22 (2006.01); H01M 8/10 (2016.01); H01M 8/1004 (2016.01);
U.S. Cl.
CPC ...
H01M 8/1039 (2013.01); C08F 214/262 (2013.01); C08J 5/2237 (2013.01); H01M 8/1004 (2013.01); C08F 2810/50 (2013.01); C08J 2327/22 (2013.01); H01M 2008/1095 (2013.01);
Abstract

The present invention provides an electrolyte material which can form crack-resistant catalyst layers when used in membrane electrode assemblies and enables provision of fuel cells having good power generation characteristics, a membrane electrode assembly and a polymer electrolyte fuel cell. The electrolyte material of the present invention is made of a polymer having ion exchange groups comprising units based on tetrafluoroethylene, units having an ion exchange group and no cyclic ether structure, units having a cyclic ether structure and units based on a monomer having at least two polymerizable unsaturated bonds.


Find Patent Forward Citations

Matsushita, Satoshi. (2026). Electrolyte material, membrane electrode assembly and polymer electrolyte fuel cell (U.S. Patent No. 12665210). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12665210

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

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