Patents by Inventor Wouters Walther

Wouters Walther 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).

  • Chip card comprising an imaged-receiving layer
    Patent number: 6250554
    Abstract: According to the present invention there is provided an element comprising a contactless chip card and thereon a layer package comprising a transparent support, covered on the side facing the contactless chip card with a prelayer and on the other side with a protective layer, characterised in that between the transparent support and the prelayer there is an interlayer contiguous to the prelayer comprising a polyurethane and a cross-linking compound.
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: June 26, 2001
    Assignee: Agfa-Gevaert
    Inventors: Vermeulen Leo, Boulonne Michel, Wouters Walther, Vertruyen Diane