Patents by Inventor William B. Howerton

William B. Howerton 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 removing fluoride contamination from nitric acid
    Patent number: 4339309
    Abstract: Fluoride ions are removed from nitric acid solution by contacting the vaporized solution with alumina or zirconium.
    Type: Grant
    Filed: May 5, 1981
    Date of Patent: July 13, 1982
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: David J. Pruett, William B. Howerton