Patents by Inventor Noreen C. Johnson (Bulsiewicz)

Noreen C. Johnson (Bulsiewicz) has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Silver electrodeposition process
    Patent number: 4265715
    Abstract: Compositions for electrodepositing silver, comprising a soluble silver compound, a non-cyanide electrolyte and selected organic phosphonate compounds, are described. These are stable for prolonged periods and are capable of depositing silver at relatively high rates without the need for soluble silver electrodes or cyanide replenishment to the bath, in contrast to conventional procedures.
    Type: Grant
    Filed: July 13, 1979
    Date of Patent: May 5, 1981
    Assignee: Oxy Metal Industries Corporation
    Inventors: Donald R. Rosegren, Noreen C. Johnson (Bulsiewicz), Peter Stevens