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:
Feb. 06, 1990
Filed:
May. 08, 1989
Applicant:
Inventors:
Joji Oka, Kanagawa, JP;
Ryoji Nishioka, Kanagawa, JP;
Assignee:
Nippon Steel Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428336 ; 428421 ; 428422 ; 428463 ;
Abstract
Paint coated metal sheets are provided by applying a paint film on a metal sheet wherein the paint film has a surface layer having a thickness of one-5000 angstroms. The paint film contains fluorine atoms and/or perfluoralkyl groups such as methyl fluoride, ethyl fluoride, the fluorine atoms and/or perfluoralkyl groups being introduced in the paint film by a plasma treatment.