Patents Represented by Attorney A. Victor Errkila

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  • Method and electrolyte for the electrodeposition of cobalt and cobalt-base alloys in the presence of an insoluble anode
    Patent number: 4111760
    Abstract: The formation of insoluble oxide precipitates during the electrodeposition f cobalt and cobalt-base alloys from an acidic aqueous cobalt sulfate electrolyte in the presence of an insoluble anode is suppressed by adding the salt or oxide of a metal selected from the group consisting of vanadium, titanium, and molybdenum. While the additive participates in the electrochemical activity occurring at both the anode and the cathode, there is no codeposition thereof with the electroplated metal or metals.
    Type: Grant
    Filed: October 17, 1977
    Date of Patent: September 5, 1978
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: Edward S. Chen, John C. Sadak, G. Raman Lakshminarayanan