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. 23, 2025
Filed:
Mar. 23, 2020
Applicant:
Nissan Chemical Corporation, Tokyo, JP;
Inventors:
Shoichi Kondo, Funabashi, JP;
Taichi Nakazawa, Funabashi, JP;
Takamasa Kikuchi, Funabashi, JP;
Yuki Nohara, Funabashi, JP;
Mitsuyoshi Kawashima, Funabashi, JP;
Assignee:
NISSAN CHEMICAL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/90 (2006.01); C01B 32/194 (2017.01); H01M 4/86 (2006.01); H01M 8/10 (2016.01);
U.S. Cl.
CPC ...
H01M 4/9008 (2013.01); C01B 32/194 (2017.08); H01M 4/8668 (2013.01); H01M 4/9075 (2013.01); C01P 2002/82 (2013.01); C01P 2004/04 (2013.01); C01P 2006/40 (2013.01); H01M 2008/1095 (2013.01);
Abstract
Provided is a material which can be used in a catalyst layer for a fuel cell and exhibits proton conductive properties. The present invention is directed to a carbon-based solid acid comprising a carbon material having a sulfonic acid group through a linker.