Patents by Inventor Annette Marie Comer

Annette Marie Comer 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).

  • Barrier films based on blends of polypropylene and ethylene-vinyl alcohol copolymer
    Patent number: 6316114
    Abstract: Oriented films of polypropylene and ethylene-vinyl alcohol copolymer are disclosed wherein the ethylene content of the copolymer is from about 40 to 50 mole %. The films are characterized by an improved oxygen transmission rate. Films are readily drawn to 6× by 6×. Films also exhibit improved resistance to transmission helium gas.
    Type: Grant
    Filed: October 7, 1996
    Date of Patent: November 13, 2001
    Assignee: Applied Extrusion Technologies, Inc.
    Inventors: Annette Marie Comer, Mark Thomas DeMeuse
  • Films
    Patent number: 6139930
    Abstract: A film having one or more polyolefin layers, and a barrier coating. At least one polyolefin layer has a surface for receiving barrier coatings, and which includes a polyolefin and a hydrocarbon resin; the barrier coating is situated adjacent to this surface. The film has a WVTR, measured according to ASTM F1249-90, of less than about 0.47 gm/m.sup.2 /day.
    Type: Grant
    Filed: January 23, 1996
    Date of Patent: October 31, 2000
    Inventors: Annette Marie Comer, Michael Gary Fatica, Francis John Kolpak, Leo Michael Landoll