Patents Assigned to Leonard Kurz
  • Patent number: 4717615
    Abstract: In a foil which has a three-dimensional patterning, the patterning effect is provided between two layers of lacquer which, by virtue of the composition thereof, cannot be readily separated from each other by chemical or physical means in order thereby to prevent the patterning from being removed for fraudulent purposes.
    Type: Grant
    Filed: July 21, 1986
    Date of Patent: January 5, 1988
    Assignee: Leonard Kurz GmbH & Co
    Inventor: Werner Reinhart