Patents by Inventor William R. Bramstedt

William R. Bramstedt 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).

  • Ruthenium recovery process
    Patent number: 4132569
    Abstract: Ruthenium is stripped from a catalyst or electrode substrate by immersion in a fluoboric acid solution, converted to ruthenium oxide, and the ruthenium oxide is then converted to the alpha ruthenium trichloride for use in the preparation of fresh catalyst and/or electrodes.
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: January 2, 1979
    Assignee: Diamond Shamrock Corporation
    Inventors: Raul S. DePablo, David E. Harrington, William R. Bramstedt