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:
Oct. 11, 2011
Filed:
Jun. 09, 2003
Akira Kishimoto, Nishitama-gun, JP;
Takafumi Atarashi, Nishitama-gun, JP;
Shinichi Ogura, Nishitama-gun, JP;
Kiyoshi Hoshino, Nishitama-gun, JP;
Tetsurou Hoshiba, Nishitama-gun, JP;
Katsuto Nakatsuka, Sendai, JP;
Akira Kishimoto, Nishitama-gun, JP;
Takafumi Atarashi, Nishitama-gun, JP;
Shinichi Ogura, Nishitama-gun, JP;
Kiyoshi Hoshino, Nishitama-gun, JP;
Tetsurou Hoshiba, Nishitama-gun, JP;
Katsuto Nakatsuka, Sendai, JP;
Nittetsu Mining Co., Ltd., Tokyo, JP;
Other;
Abstract
A method for producing a white powder, which includes forming on a surface of a base particle a titanium oxide film and a metallic silver film contiguously one upon another in this order, wherein the base particle includes a magnetic material, and wherein said step of forming on the surface of the base particle the titanium oxide film includes dispersing the base particle in a buffer solution and adding a titanium salt aqueous solution while agitating the dispersion.