Patents by Inventor Daniel De Baets

Daniel De Baets 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).

  • Security document having a transparent or translucent support and containing interference pigments
    Patent number: 6210777
    Abstract: A security document which contains at least one layer and a transparent or translucent support and at least one image or pattern serving for identification purposes, characterized in that the document contains at least one light interference pigment distributed uniformly or patternwise in or on at least one layer of the document and/or contains the pigment in the support.
    Type: Grant
    Filed: June 10, 1996
    Date of Patent: April 3, 2001
    Assignee: Agfa-Gevaert
    Inventors: Leo Vermeulen, Daniel De Baets