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. 13, 2011
Filed:
Mar. 28, 2008
Bunsho Ohtani, Sapporo, JP;
Ryu Abe, Sapporo, JP;
Yoshiaki Sakatani, Niihama, JP;
Makoto Murata, Niihama, JP;
Hiroaki Nishimine, Niihama, JP;
Bunsho Ohtani, Sapporo, JP;
Ryu Abe, Sapporo, JP;
Yoshiaki Sakatani, Niihama, JP;
Makoto Murata, Niihama, JP;
Hiroaki Nishimine, Niihama, JP;
National University Corporation Hokkaido University, Hokkaido, JP;
Sumitomo Chemical Company, Limited, Tokyo, JP;
Abstract
To provide a tungsten oxide photocatalyst which shows a high photocatalytic activity by irradiating with visible light even under the environment where ultraviolet light is not irradiated, the tungsten oxide photocatalyst has tungsten oxide particles and Pt particles having a primary particle size of 3 to 20 nm supported on the surface of the tungsten oxide particles in an amount of 0.03 to 5 parts by weight based on 100 parts by weight of the tungsten oxide particles.