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:
Sep. 05, 2023
Filed:
Jun. 28, 2019
Applicant:
Toray Industries, Inc., Tokyo, JP;
Inventors:
Umi Yamamoto, Otsu, JP;
Masamichi Utsunomiya, Otsu, JP;
Isamu Shigemoto, Otsu, JP;
Yasuaki Tanimura, Otsu, JP;
Assignee:
TORAY INDUSTRIES, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/10 (2016.01); H01M 4/88 (2006.01); H01M 8/1004 (2016.01);
U.S. Cl.
CPC ...
H01M 4/8807 (2013.01); H01M 8/1004 (2013.01); H01M 2008/1095 (2013.01);
Abstract
A gas diffusion layer comprises a carbon sheet and a microporous layer disposed on at least one surface of the carbon sheet, and meeting the requirement 'C is equal to or greater than 0', wherein: