Patents by Inventor Diep V. Xieu

Diep V. Xieu 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).

  • Patent number: 4428310
    Abstract: A technique for raising slag fusion temperatures is provided whereby fouling deposits can be reduced. The technique involves mixing with slag or slag precursers phosphated alumina perferably in a liquid form for convenience in application.
    Type: Grant
    Filed: July 26, 1982
    Date of Patent: January 31, 1984
    Assignee: Nalco Chemical Company
    Inventors: George T. Kekish, Diep V. Xieu