Patents by Inventor Robert C. De Mattei

Robert C. De Mattei 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).

  • Electrodeposition of molten silicon
    Patent number: 4292145
    Abstract: Silicon dioxide is dissolved in a molten electrolytic bath, preferably comprising barium oxide and barium fluoride. A direct current is passed between an anode and a cathode in the bath to reduce the dissolved silicon dioxide to non-alloyed silicon in molten form, which is removed from the bath.
    Type: Grant
    Filed: May 14, 1980
    Date of Patent: September 29, 1981
    Assignee: The Board of Trustees of Leland Stanford Junior University
    Inventors: Robert C. De Mattei, Dennis Elwell, Robert S. Feigelson