Patents by Inventor Rodney C. Ewing

Rodney C. Ewing 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 of immobilizing weapons plutonium to provide a durable, disposable waste product
    Patent number: 5545797
    Abstract: A method of atomic scale fixation and immobilization of plutonium to provide a durable waste product. Plutonium is provided in the form of either PuO.sub.2 or Pu(NO.sub.3).sub.4 and is mixed with and SiO.sub.2. The resulting mixture is cold pressed and then heated under pressure to form (Zr,Pu)SiO.sub.4 as the waste product.
    Type: Grant
    Filed: January 13, 1995
    Date of Patent: August 13, 1996
    Assignee: University of New Mexico
    Inventors: Rodney C. Ewing, Werner Lutze, William J. Weber