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:
Mar. 25, 2008
Filed:
Nov. 18, 2004
Takeshi Matsuda, Chiyoda-ku, JP;
Akira Matsuzaki, Chiyoda-ku, JP;
Kazuhisa Okai, Chiyoda-ku, JP;
JFE Steel Corporation, , JP;
Abstract
A surface-treated steel sheet includes a steel sheet; a plating layer containing at least one metal selected from zinc and aluminum; a first layer film containing (α) 1 to 2000 mg/mof silica in terms of SiO, (β) a total of 1 to 1000 mg/mof phosphoric acid groups in terms of P, (γ) a total of 0.5 to 800 mg/mof at least one metal selected from Mg, Mn, and Al, and (δ) 0.1 to 50 mg/mof a tetravalent vanadium compound; and a second layer film formed to a thickness of 0.1 to 5 μm on the first layer film and containing a resin (A) having at least one type of functional group selected from OH and COOH groups, and at least one rust-proofing additive (B) selected from (a) a phosphate, (b) Ca ion-exchanged silica, (c) a molybdate, (d) silicon oxide, and (e) at least one organic compound selected from triazoles, thiols, thiadiazoles, thiazoles, and thiurams.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile