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:
Jun. 21, 1983
Filed:
Nov. 30, 1981
Michael J Mirra, Greeneville, TN (US);
Albert H Giles, Greeneville, TN (US);
Ball Corporation, Muncie, IN (US);
Abstract
A metal substrate is described herein, the metal substrate being one formed by contacting a metal surface, such as zinc, with a solution containing 0.1 to 2.5 weight percent salt selected from the group consisting of iron nitrate, nickel nitrate and copper nitrate, 0.01 to 3.5 weight percent of an oxidizing agent selected from the group consisting of perborates, peroxides, persulfates and perchlorates, 2 to 20 weight percent of a mineral acid selected from the group consisting of sulfuric acid and phosphoric acid and the remainder water, drying the contacted surface and thereafter applying an electrically conductive coating, such as graphite, thereon.