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:
Feb. 05, 2008
Filed:
May. 17, 2006
Shin Yamaguchi, Tokyo, JP;
Toshihiro Sekiguchi, Tokyo, JP;
Keisuke Ikushima, Tokyo, JP;
Shoji Akahane, Tokyo, JP;
Koyu Aoki, Aichi-gun, JP;
Takeshi Morikawa, Seto, JP;
Takeshi Ohwaki, Nagoya, JP;
Yasunori Taga, Nagoya, JP;
Shin Yamaguchi, Tokyo, JP;
Toshihiro Sekiguchi, Tokyo, JP;
Keisuke Ikushima, Tokyo, JP;
Shoji Akahane, Tokyo, JP;
Koyu Aoki, Aichi-gun, JP;
Takeshi Morikawa, Seto, JP;
Takeshi Ohwaki, Nagoya, JP;
Yasunori Taga, Nagoya, JP;
GC Corporation, Tokyo, JP;
Abstract
The invention relates to a method for bleaching teeth in which a solution of a nitrogen-doped titanium oxide powder is contacted on a surface of the teeth and the surface of the teeth is irradiated to bleach the surface of the teeth-by activating a photocatalytic reaction.