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. 19, 2007
Filed:
Sep. 13, 2005
Applicants:
Miwako Nara, Fujisawa, JP;
Yoshinori Nishiki, Fujisawa, JP;
Tsuneto Furuta, Fujisawa, JP;
Inventors:
Assignee:
Permelec Electrode Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B 11/08 (2006.01); C25B 11/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Highly active hydrogen evolving cathode using a platinum group metal catalyst in an amount smaller than that used in the conventional hydrogen evolving cathode. The hydrogen evolving cathode includes a conductive substrate, and a catalyst layer comprising at least one selected from the group consisting of silver and a silver oxide compound, and at least one selected from the group consisting of a platinum group metal, a platinum group metal oxide and a platinum group metal hydroxide, formed on a surface of the conductive substrate.