Patents Assigned to Exxon Research & Eng. Co.
  • Abrasion resistant refractory composition
    Patent number: 4656146
    Abstract: A refractory composition characterized by abrasion resistance and low thermal conductivity comprising about 40 to about 96 weight percent amorphous silica, about 2 to about 50 weight percent -65 mesh calcined refractory aggregate having a density of at least about 140 lb/ft.sup.3 and about 2 to about 40 weight percent calcium aluminate cement.
    Type: Grant
    Filed: June 24, 1985
    Date of Patent: April 7, 1987
    Assignees: Exxon Research & Eng. Co., Dresser Industries, Inc.
    Inventors: Paul E. Schlett, John R. Peterson, James A. Caprio, Thomas R. Kleeb