Patents by Inventor Jorge A. Lavieri

Jorge A. Lavieri has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Hot melt moisture cure polyurethane adhesive with wide range of open time
    Patent number: 6844073
    Abstract: A hot melt moisture cure polyurethane adhesive composition includes at least one polyurethane prepolymer. The prepolymer includes the reaction product of a polyol component and a polyisocyanate component. The polyol component includes a) at least one amorphous polyester polyol comprising the reaction product of neopentyl glycol, hexanediol and at least one of phthalic anhydride and phthalic acid; b) at least one liquid polyester polyol having a viscosity of greater than about 10,000 cps at 80° C.; c) at least one crystalline polyester polyol having a melting point of from about 40° C. to about 120° C.; and d) at least one thermoplastic polyurethane.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: January 18, 2005
    Assignee: H. B. Fuller Licensing & Financing Inc.
    Inventors: Marietta B. Helmeke, Jorge A. Lavieri