Patents Assigned to The ChemMark Corporation
  • Asphalt release agent
    Patent number: 5494502
    Abstract: An asphalt release agent and a method of applying the same, wherein said asphalt release agent comprises a fatty oil as the active ingredient together with a foaming agent, a crosslinked copolymer, an alkalinizing agent and a preservative. The release agent is preferably applied using a pneumatic pump to pump the release agent through an air-inducting nozzle.
    Type: Grant
    Filed: October 3, 1994
    Date of Patent: February 27, 1996
    Assignee: The ChemMark Corporation
    Inventor: William M. DeLong
  • Asphalt release agent and system
    Patent number: 5322554
    Abstract: An asphalt release agent and a method of applying the same, including a water-based solution of magnesium chloride and/or calcium chloride together with a phosphate ester corrosion inhibitor, an anionic isopropyl alcohol surfactant and a dye. The release agent is applied using a spray gun in combination with an air compressor to add air to foam the release agent.
    Type: Grant
    Filed: June 3, 1992
    Date of Patent: June 21, 1994
    Assignee: The ChemMark Corporation, Inc.
    Inventor: William M. DeLong