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:
Dec. 21, 1976
Filed:
May. 29, 1975
Applicant:
Inventors:
Akimi Umezono, Himeji, J;
Minoru Kitayama, Himeji, J;
Takao Saito, Himeji, J;
Ryousuke Wake, Himeji, J;
Assignee:
Nippon Steel Corporation, Tokyo, J;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
148-62 ; 427327 ;
Abstract
A method for producing steel plate substrate for lacquering which comprises applying on the surface of the steel plate a treating solution containing 5 - 150 g/l of chromic acid, 5 - 200 g/l (as oxide) of metal oxide sol, 5 - 100 g/l of one or more selected from the group consisting of nitride, acetate, carbonate, and hydroxide of metal, borax, molybdate tungstate, and baking at a temperature of 400.degree. C or more.