Patents Represented by Attorney Hebert P. Price
  • 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