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:
Aug. 27, 2013
Filed:
Feb. 16, 2009
Applicant:
Hiromitsu Date, Tokyo, JP;
Inventor:
Hiromitsu Date, Tokyo, JP;
Assignee:
Nippon Steel & Sumitomo Metal Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 15/04 (2006.01); B32B 15/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
Plated steel sheet comprised of steel sheet having a tin alloy layer on it, which is characterized by (i) having free tin distributed on the tin alloy layer in a 5 to 97% area rate and further (ii) having a chemically treated layer having phosphate in an amount of 1.0 to 5.0 mg/min terms of P and tin oxide in an amount of 0.3 to 4.0 mC/cmin terms of electricity necessary for reduction, formed on the tin alloy layer and free tin.