Patents Assigned to Martin J. Wilheim
  • Mold release sheet laminate
    Patent number: 4753847
    Abstract: A mold release sheet structure in medium to high pressure laminate wherein the laminate comprises a film of polyester, nylon or cellulose acetate treated for promoting resin adhesion and having a coating of a thin release layer of a cured release acrylated oligomer resin on at least one side of the film.
    Type: Grant
    Filed: April 23, 1986
    Date of Patent: June 28, 1988
    Assignee: Martin J. Wilheim
    Inventors: Martin J. Wilheim, Edwin P. Tripp, III