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:
May. 08, 2012
Filed:
Mar. 18, 2008
Itsuko Mizutani, Yokohama, JP;
Wu Mei, Yokohama, JP;
Taishi Fukazawa, Fuchu, JP;
Takahiro Sato, Kawasaki, JP;
Yoshihiko Nakano, Yokohama, JP;
Itsuko Mizutani, Yokohama, JP;
Wu Mei, Yokohama, JP;
Taishi Fukazawa, Fuchu, JP;
Takahiro Sato, Kawasaki, JP;
Yoshihiko Nakano, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
A catalyst is provided and includes fine catalyst particles of a composition represented by formula (1): PtRuTaT, in which T is at least one element selected from the group consisting of Hf, W, Ni, and V; u, x, y, and z are 10 to 98.9 atm %, 0.1 to 50 atm %, 0.5 to 35 atm %, and 0.5 to 35 atm %, respectively, or formula (2): PtRuTaT, in which T is at least one element selected from the group consisting of Ct, Mo, Nb, Zr, and T; u, x, y, and z are 40 to 70 atm %, 0.1 to 50 atm %, 0.5 to 15 atm %, and 0.5 to 15 atm %, respectively.