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. 13, 2026
Filed:
Nov. 25, 2021
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Assignee:
TORAY INDUSTRIES, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/88 (2006.01); H01M 4/86 (2006.01); H01M 4/96 (2006.01); H01M 8/1004 (2016.01); H01M 8/1018 (2016.01); H01M 8/10 (2016.01);
U.S. Cl.
CPC ...
H01M 4/8807 (2013.01); H01M 4/8605 (2013.01); H01M 4/8673 (2013.01); H01M 4/96 (2013.01); H01M 8/1004 (2013.01); H01M 8/1018 (2013.01); H01M 2008/1095 (2013.01);
Abstract
An object of the present invention is to shorten the aging time for a fuel cell. To achieve the object, a gas diffusion electrode medium product according to the present invention includes sulfuric acid in an amount of 1.1 μg/cmor less. In addition, a polymer electrolyte fuel cell according to the present invention has the gas diffusion electrode medium product according to the present invention incorporated therein.
Otake, Hiroaki. (2026). Gas diffusion electrode base material product and polymer electrolyte fuel cell (U.S. Patent No. 12763337). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12763337
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile