Patents Assigned to Gulf States Asphalt Co.
  • Asbestos-free asphalt composition
    Patent number: 4738723
    Abstract: Disclosed is a new and improved sealant and cement asphalt composition that is asbestos-free. The asbestos-free asphalt composition comprises about 40 to about 70 weight percent asphalt, about 5 to about 40 weight percent mineral filler, about 2 to about 10 weight percent cellulose fibers and about 2 to about 20 weight percent of a water-containing material such as an acrylic latex emulsion, asphalt emulsion or aqueous surfactant solution.
    Type: Grant
    Filed: May 29, 1985
    Date of Patent: April 19, 1988
    Assignee: Gulf States Asphalt Co.
    Inventors: Chris Frizzell, William L. Adams, Robert Fulton