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:
Mar. 23, 1976
Filed:
Jul. 01, 1974
Norio Nikaido, Hiratsuka, JA;
Shinji Shirai, Hiratsuka, JA;
Mototaka Iihashi, Hiratsuka, JA;
Sueo Umemoto, Hiratsuka, JA;
Kansai Paint Company, Limited, BOTH OF, JA;
Fuji Sashi Industries Limited, BOTH OF, JA;
Abstract
A process for coating an aluminum or aluminum alloy comprising the steps of subjecting the aluminum or aluminum alloy to boehmite treatment or chemical conversion treatment, anodizing the resulting aluminum or aluminum alloy in an aqueous solution of a water-soluble salt of at least one oxyacid, and thereafter coating the aluminum or aluminum alloy with an organic coating composition to form a resin layer, said oxyacid being at least one oxyacid selected from the group consisting of silicic acid, boric acid, phosphoric acid, molybdic acid, vanadic acid, permanganic acid, stannic acid and tungstic acid.