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:
May. 24, 1977
Filed:
Jun. 10, 1975
Applicant:
Inventors:
Assignee:
Nippon Kokan Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
428418 ; 148-616 ; 260 / ; 260 / ; 260836 ; 427 44 ; 427 54 ; 428463 ;
Abstract
A steel sheet coating having high corrosion-resistivity and paint-adhesivity can be obtained by applying a water solution of specific composition described hereinafter on a steel sheet, followed by drying; and exposing the coating to ultraviolet rays in an air atmosphere; said water solution contains a chemical compound which has been prepared by reacting a prepolymer of an epoxy resin with acrylic acid or methacrylic acid in order to introduce vinyl groups into the molecules of said prepolymer, another chemical compound of chromate or dichromate for chelation and a molybdenum compound as a stabilizer.