Patents Represented by Attorney Larry C. Hall

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  • Barrier coating to reduce migration of contaminants from paperboard
    Patent number: 5153061
    Abstract: Barrier coatings are disclosed to reduce the migration of contaminants from paperboard into food products packaged in containers prepared from the paperboard. The barrier coatings operate to either absorb the contaminants or provide a tortuous path to their migration from the paperboard particularly at the high temperatures reached during the cooking of the food products in microwave ovens.
    Type: Grant
    Filed: January 29, 1991
    Date of Patent: October 6, 1992
    Assignee: Westvaco Corporation
    Inventors: Giancarlo A. Cavagna, Robinson C. Claytor