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:
Jul. 13, 1976
Filed:
Jul. 07, 1975
Applicant:
Inventors:
Betty L Berdan, Willowick, OH (US);
Betty M Luce, Willowick, OH (US);
Assignee:
Gould Inc., Rolling Meadows, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ; C25D / ;
U.S. Cl.
CPC ...
204 33 ; 204-3 ; 204 12 ; 204 40 ;
Abstract
An improvement in providing a mechanically strippable copper plate on an aluminum carrier is achieved by pretreating the aluminum carrier with an alkaline, aqueous, alkali metal zincate composition containing a small amount of one or more water soluble iron, cobalt or nickel salts, and removing substantially all of the deposited zincate coating with acid prior to copper plating.