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. 25, 1976
Filed:
Dec. 14, 1972
Applicant:
Inventors:
Assignees:
Varta Batterie Aktiengesellschaft, Kelkheim, Taunus, DT;
Siemen AG, Kelkheim, Taunus, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
136 29 ; 137 75 ;
Abstract
The present invention relates to a method for the development of a protective oxide on the surface of porous, positive Mi-electrodes for galvanic cells with alkaline electrolyte.