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. 01, 2005
Filed:
Jun. 02, 2003
Satoru Ando, Fukuyama, JP;
Masaki Tada, Fukuyama, JP;
Yoshiharu Sugimoto, Fukuyama, JP;
Masaaki Yamashita, Fukuyama, JP;
Tomoko Inagaki, Yokohama, JP;
Satoru Ando, Fukuyama, JP;
Masaki Tada, Fukuyama, JP;
Yoshiharu Sugimoto, Fukuyama, JP;
Masaaki Yamashita, Fukuyama, JP;
Tomoko Inagaki, Yokohama, JP;
JFE Steel Corporation, Tokyo, JP;
Abstract
The zinc-base plated steel sheet has a steel sheet, a zinc-base plating layer on the steel sheet, and a composite coating film formed on the plating layer, which composite coating layer contains a P ingredient, an N ingredient, and at least one element selected from the group consisting of Mg, Al, Ca, Ti, Fe, Co, Ni, Cu, and Mo, and is prepared by applying an aqueous solution containing a cationic ingredient (α) and a phosphoric acid ingredient (β) onto the surface of plating layer on the zinc-base plated steel sheet, and then drying the applied aqueous solution, without giving washing with water, and which cationic ingredient (α) consists essentially of at least one metallic ion selected from the group consisting of Mg, Al, Ca, Ti, Fe, Co, Ni, Cu, Mo, and NHions.