Patents by Inventor Harmut Grund

Harmut Grund 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).

  • Co-extruded, multi-layered, biaxially oriented, weldable flat film for the production of welded tubular films and use thereof
    Publication number: 20040067381
    Abstract: The invention relates to a coextruded, multilayered, biaxially oriented and weldable flat film for the production of welded tubular films and to the use thereof for wrapping and packaging foodstuffs. The inventive flat film has two weldable surface layers made of at least one copolyamide and at least one amorphous polyamide and/or at least one homopolyamide and/or at least one modified polyolefin.
    Type: Application
    Filed: August 1, 2003
    Publication date: April 8, 2004
    Inventors: Harmut Grund, Horst Lang, Helmut Schauer