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. 01, 1979
Filed:
Aug. 22, 1977
Applicant:
Inventors:
Yitzchak Klein, Jerusalem, IL;
Jonathan G Goldstein, Jerusalem, IL;
Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D / ; H01M / ;
U.S. Cl.
CPC ...
204 / ; 252 622 ; 2521821 ; 429206 ;
Abstract
The invention relates to an additive, to be added to conventional electrolytes of alkaline secondary zinc cells or to alkaline zinc plating baths, adapted to establish in said liquids a minimum concentration of 10.sup.-6 M per liter of cobalt ions and a minimum concentration of 5.10.sup.-6 M per liter of cadmium ions, said additive being a coprecipitate of cobalt hydroxide and cadmium hydroxide and either magnesium hydroxide or calcium hydroxide, to electrolytes for alkaline secondary zinc cells and alkaline zinc plating baths containing such additives and to a process for the production of such additives.