Patents by Inventor James H. Sommers

James H. Sommers 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).

  • Method for the preparation of niobium nitride
    Patent number: 5284639
    Abstract: A method is disclosed for preparing and recovering metal nitrides from their ferrometal alloys and nickel metal alloys. Exemplary steps of the process involve niobium nitride prepared from ferroniobium alloys (FeNb) which are first hydrided to provide a friable, comminutable product which is then nitrided under conditions which form distinct phases of iron nitride and niobium nitride respectively.
    Type: Grant
    Filed: July 6, 1992
    Date of Patent: February 8, 1994
    Assignee: Teledyne Industries, Inc.
    Inventors: James H. Sommers, Lloyd J. Fenwick