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:
Jul. 28, 2015
Filed:
May. 28, 2010
Applicants:
Yumi Yaita, Ota-Ku, JP;
Teruki Fukumatsu, Onga-Gun, JP;
Hiromi Aoi, Yokohama, JP;
Yutaka Uruma, Kawasaki, JP;
Inventors:
Yumi Yaita, Ota-Ku, JP;
Teruki Fukumatsu, Onga-Gun, JP;
Hiromi Aoi, Yokohama, JP;
Yutaka Uruma, Kawasaki, JP;
Assignee:
KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G21C 9/00 (2006.01); G21F 9/28 (2006.01); C23C 24/00 (2006.01); G21F 9/00 (2006.01);
U.S. Cl.
CPC ...
G21F 9/28 (2013.01); C23C 24/00 (2013.01); G21F 9/001 (2013.01); G21F 9/004 (2013.01);
Abstract
A radioactive substance is effectively suppressed by an oxide-film removal step of removing an oxide film on a metallic material surface with which a coolant containing the radioactive substance comes in contact, and a titanium-oxide deposition step of depositing a titanium oxide on the metallic material surface after the oxide film has been removed.