Patents Examined by I. Ziegler
  • Foil laminating adhesive
    Patent number: 3974112
    Abstract: An adhesive composition suitable for laminating thin foils to substrates, especially paper, is disclosed consisting essentially of an aqueous solution of a carboxylated vinyl acetate copolymer and a compatible, foil adherent, latex adhesive. These adhesives have the unique viscosity, drying, and adhesive properties required of foil laminating adhesives which were previously available only in foil laminating adhesives incorporating a casein thickener.
    Type: Grant
    Filed: February 28, 1975
    Date of Patent: August 10, 1976
    Assignee: National Starch and Chemical Corporation
    Inventors: Donald Nadler, Carl F. Witzmann