Patents Examined by Donald L. Loney
  • Paper laminate and method for its manufacture
    Patent number: 5456968
    Abstract: A two-ply paper-to-paper composite material having insulating properties and a method for its manufacture wherein the composite includes a pair of paper sheets, at least one of which has been treated to make it moisture-proof and grease-proof wherein the sheets are selectively bonded directly to the other to define air pockets therebetween wherein the bond is established by an alkali metal silicate adhesive.
    Type: Grant
    Filed: June 25, 1993
    Date of Patent: October 10, 1995
    Assignee: International Coverter, Inc.
    Inventor: Elven Jones