Patents Issued in July 28, 1978
  • Patent number: 4101475
    Abstract: A scratch resistant, flame resistant material is made by producing a sheet molding compound of a melamine-aldehyde precondensate, silica, alumina trihydrate, slightly soluble soap, ammonium hydroxide and acid salt catalyst. The sheet molding compound is applied to the surface of a pelt of glass fibers containing a heat curable binder and the composite is bonded together under heat and pressure to cure both binders simultaneously and bond the sheet molding compound to the fiber layer of the pelt.
    Type: Grant
    Filed: December 17, 1976
    Date of Patent: July 28, 1978
    Assignee: Owens-Corning Fiberglas Corporation
    Inventor: Joseph P. Stalego