Patents by Inventor Heinz Vates

Heinz Vates 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).

  • Card of unplasticized PVC film
    Patent number: 4835064
    Abstract: Card made from a combination of at least two layers of unplasticized PVC film that are bonded together by the application of pressure. At least one layer of a flexible plastic is incorporated in this combination. This layer of flexible plastic consists preferably of PVC modified with acrylate VC copolymers.
    Type: Grant
    Filed: September 29, 1987
    Date of Patent: May 30, 1989
    Assignee: Unilever Patent Holdings B.V.
    Inventors: Heinz Vates, Rainer Edelberg
  • Polypropylene film
    Patent number: 4595738
    Abstract: A simultaneously biaxially oriented, isotactic polypropylene film resistant to dynamic stresses, particularly tensile stresses in longitudinal direction, which has been stretched in a surface stretch ratio of at least 1:45, exhibiting a specific puncture resistance and certain elongation factors, is particularly suitable as a base or carrier film for acoustical and optical information, for adhesive tape, for multicolor printing, for packaging material and as a layer in laminates.
    Type: Grant
    Filed: March 29, 1985
    Date of Patent: June 17, 1986
    Assignee: Internationale Octrooi Maatschappij "Octropa" B.V.
    Inventors: Walter Hufnagel, Heinz Vates