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:
Jan. 04, 2005
Filed:
Jan. 23, 2002
Kazunari Domen, Kanagawa, JP;
Michikazu Hara, Kanagawa, JP;
Tsuyoshi Takata, Kanagawa, JP;
Akio Ishikawa, Tokyo, JP;
Kazunari Domen, Kanagawa, JP;
Michikazu Hara, Kanagawa, JP;
Tsuyoshi Takata, Kanagawa, JP;
Akio Ishikawa, Tokyo, JP;
Japan Science and Technology Agency, Saitama, JP;
Abstract
A photocatalyst which comprises an oxysulfide containing at least one transition metal; a preferable photocatalyst which also comprises a rare earth element such as Sm in addition to the above and wherein the transition metal is at least one selected from the group consisting of Ti and Nb; a more preferable photocatalyst which further comprises a promoter comprising a transition metal such as Pt loaded on each of the above photocatalyst; and a catalyst for use in the decomposition of water by a light which comprises one of the above oxysulfide photocatalysts.