Patents by Inventor Veikko O. Rantanen

Veikko O. Rantanen 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).

  • Multi-layer packaging material
    Patent number: 4874656
    Abstract: This invention provides a strong multi-layer packaging material having a high mechanical resistance and an impermeability to gases and vapors. It comprises at least the following layers:(1) an outer layer of polyester(2) a first inner layer of oriented polypropylene affixed to the polyester layer(3) a second inner layer of metallic foil affixed to the oriented polypropylene layer(4) an outer layer of polyethylene affixed to the metallic foil layerand between said layers are layers of adhesive.
    Type: Grant
    Filed: April 27, 1988
    Date of Patent: October 17, 1989
    Assignee: A. Ahlstron Corporation
    Inventor: Veikko O. Rantanen