Patents Assigned to Stonhard
  • Bisphenol epoxy-based flooring and coating materials
    Patent number: 5225455
    Abstract: This application discloses flooring compositions containing a hardener component, a resin component and an aggregate component; the compositions additionally contain either a monoepoxide or an alcohol or aromatic hydrocarbon.
    Type: Grant
    Filed: December 19, 1990
    Date of Patent: July 6, 1993
    Assignee: Stonhard, Inc.
    Inventors: Frank C. Sessa, Carolyn E. Massey
  • Bisphenol formaldehyde epoxy-based flooring and coating materials
    Patent number: 4980400
    Abstract: A trowelable, epoxy-based flooring material exhibits high impact strength, high chemical resistance and a closed exposed surface after curing, and has a hardener component including aliphatic amine and amino silane, a resin component including bisphenol formaldehyde epoxy and monoepoxide and an aggregate component, with the hardener and the resin being present in stoichiometric proportion.
    Type: Grant
    Filed: October 14, 1988
    Date of Patent: December 25, 1990
    Assignee: Stonhard
    Inventors: Frank C. Sessa, Carolyn E. Massey