Patents Assigned to Hampden Papers, Inc.
  • Publication number: 20090188618
    Abstract: The invention relates to a water-based coating for lottery applications. The coating is a primer coating that is applied onto a foil layer of a lottery document that allows for the printing of an indicia image for purposes of a lottery game. The coating comprises a composition of an acrylic emulsion polymer such as Joncryl HR 1620, water, a mineral oil defoamer such as BYK-035, a finely micronized polypropylene wax such as Micropro 440W, and an acrylic emulsion binder such as Joncryl 624. The coating has low levels of volatile organic compounds and no known carcinogens. In addition, the coating still meets the specifications of the lottery and gaming industry.
    Type: Application
    Filed: January 25, 2008
    Publication date: July 30, 2009
    Applicant: HAMPDEN PAPERS, INC.
    Inventors: JAMES BURKE, NICHOLAS DION, SUSAN KRAWCZYK
  • Patent number: 6582506
    Abstract: Pigment flakes having cores preferably composed of resins, polymers, thermoplastics, and/or thermosets with colorant (pigment and/or dyes) deposited thereon, coating applications thereof, and a method for making pigment flakes which includes providing a core material, compounding the core material, processing the core material into uniform forms such as films, wires, thread with rectangular cross sections and bead strings, providing colorant material, vaporizing the colorant material, exposing a surface of core material to the vaporized colorant material to form a layer of colorant on thereon, and fracturing the resultant colorant layered core material into flakes.
    Type: Grant
    Filed: May 25, 2001
    Date of Patent: June 24, 2003
    Assignee: Hampden Papers, Inc.
    Inventor: Michael E. Archambeault