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:
Jun. 16, 2009
Filed:
Sep. 24, 2003
Michio Kaneko, Futtsu, JP;
Kiyonori Tokuno, Chiyoda-ku, JP;
Hiroshi Shimizu, Chiyoda-ku, JP;
Takateru Dekura, Shinjuku-ku, JP;
Michio Kaneko, Futtsu, JP;
Kiyonori Tokuno, Chiyoda-ku, JP;
Hiroshi Shimizu, Chiyoda-ku, JP;
Takateru Dekura, Shinjuku-ku, JP;
Nippon Steel Corporation, Tokyo, JP;
Abstract
A removal cleaning agent for discolored sections of titanium building materials which comprises at least a water-soluble inorganic acid salt, an organic acid or organic acid salt, a surfactant and a hydrophilic oxygen-containing hydrocarbon solvent, and optionally an discoloration inhibitor, fluoracarbon resin and polishing material. In the cleaning method for discolored sections of titanium building materials, coating is carried out with a bristle brush and a sponge roller, the coated film sections are polished with a nonwoven fabric or foam resin, optionally after aging, and then the discolored sections are removed by washing with water.