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. 28, 2001
Filed:
Sep. 21, 1998
Applicant:
Inventors:
Assignee:
Toyo Kohan Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 1/508 ; C25D 1/138 ;
U.S. Cl.
CPC ...
B32B 1/508 ; C25D 1/138 ;
Abstract
A laminated steel sheet of the present invention has a surface-treated steel sheet with an outermost chromium oxide having specific surface area of 1.08 to 1.35 as a base sheet, and a plastic film is laminated on at least one side of the base sheet, and has excellent in tenacious adhesion to the plastic film after forming.