Patents Represented by Attorney Dimitrios Drivas
  • Patent number: 5039342
    Abstract: Chemical modified asphalt cements are produced by reacting bituminous materials with ethylenically unsaturated monomers.
    Type: Grant
    Filed: May 8, 1990
    Date of Patent: August 13, 1991
    Assignees: Herman Mark, National Patent Development Corporation
    Inventor: Murray Jelling