Patents Assigned to United Catalyst
  • Organophilic clay modified with zirconium aluminum organic complexes
    Patent number: 4866018
    Abstract: Organophilic clays useful for modifying the rheological properties of organic fluids are made from a smectite type clay, a quaternary ammonium compound and a zirconium-aluminum organic complex.
    Type: Grant
    Filed: June 20, 1988
    Date of Patent: September 12, 1989
    Assignee: United Catalyst
    Inventor: Donald R. Elliot