Patents by Inventor Donald R. Eilliott

Donald R. Eilliott 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).

  • Organophilic clay modified with silane compounds
    Patent number: 4874728
    Abstract: Organophilic clays useful for modifying the rheological properties of organic fluids are made from a smectite type clay, a quaternary ammonium compound and an organosilane.
    Type: Grant
    Filed: March 21, 1988
    Date of Patent: October 17, 1989
    Assignee: United Catalyst Inc.
    Inventors: Donald R. Eilliott, Gary W. Beall