Patents by Inventor Gert Ekdahl

Gert Ekdahl 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).

  • Patent number: 4842906
    Abstract: A packing laminate for the manufacture of packing containers for liquid contents, including an inner layer (5) of fibrous material with outer layers (6) and (7) of liquid-tight material and a color layer (8) with the object of creating a decoration or similar identification marking on the finished container. The color layer (8) is hardened through electron irradiation and in order to protect the inner layer (5) from the effect of this irradiation the laminate comprises a layer (14) applied between the inner layer (5) and the color carrying plastic layer of a material capable of absorbing electrons during the irradiation.
    Type: Grant
    Filed: July 2, 1987
    Date of Patent: June 27, 1989
    Assignee: AB Tetra Pak
    Inventors: Gert Ekdahl, Tommy Nystrom