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:
Oct. 27, 2009
Filed:
Nov. 18, 2004
Applicants:
Koki Tanaka, Futtsu, JP;
Masao Kimura, Futtsu, JP;
Hiromasa Shoji, Futtsu, JP;
Hiromasa Nomura, Futtsu, JP;
Inventors:
Koki Tanaka, Futtsu, JP;
Masao Kimura, Futtsu, JP;
Hiromasa Shoji, Futtsu, JP;
Hiromasa Nomura, Futtsu, JP;
Assignee:
Nippon Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C 22/34 (2006.01); B32B 9/00 (2006.01); B32B 15/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
To provide a chemical conversion-treated metal sheet excellent in the corrosion resistance and coating adhesion, free from elution of chromium oxide and small in the environmental load, there is provided a chemical conversion-treated metal sheet comprising a metal sheet having on at least one surface thereof an inorganic film, wherein the inorganic film is a film comprising as a main component one or both of a metal oxide and a metal hydroxide exclusive of Cr and the film contains F.