Patents Assigned to United Catalyst Inc.
  • 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
  • Patent number: 4861745
    Abstract: An improved catalyst for the high temperature shift reaction especially suited for low steam to gas ratio applications is made by dipping an iron oxide-chromium oxide catalyst in an aqueous copper salt solution, drying the catalyst and calcining it.
    Type: Grant
    Filed: August 3, 1988
    Date of Patent: August 29, 1989
    Assignee: United Catalyst Inc.
    Inventors: Dinah C. Huang, Jeffrey L. Braden