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:
Jun. 30, 2026
Filed:
Dec. 20, 2022
Applicants:
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Inventor:
Il Seok Chae, Seoul, KR;
Assignees:
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 75/24 (2006.01); C08K 3/22 (2006.01); H01M 4/86 (2006.01); H01M 8/1032 (2016.01); H01M 8/10 (2016.01);
U.S. Cl.
CPC ...
C08G 75/24 (2013.01); C08K 3/22 (2013.01); H01M 4/8663 (2013.01); H01M 8/1032 (2013.01); C08K 2003/2213 (2013.01); H01M 2008/1095 (2013.01);
Abstract
Disclosed are an antioxidant for a fuel cell having both antioxidative properties and proton conductivity, and a method of producing the same. The antioxidant may include: a metal oxide having antioxidant properties; and a proton conductive functional group bonded to the metal oxide, in which the proton conductive functional group may include a sulfonic acid group attached to the metal oxide by a sulfonation bond.