Patents by Inventor Bart De Gooijer

Bart De Gooijer 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 ELEMENT WITH ACHROMATIC FEATURES
    Publication number: 20130182300
    Abstract: The invention relates to an achromatic security element for value documents, such as banknotes, cards, ID documents and the like comprising a thermoplastic or a radiation-curable polymer layer, characterised in that the layer is embossed with diffusely reflecting microstructures having sizes in the order of 1-100 ?m, a method for producing such security elements, value documents comprising said security elements and a currency system comprising said security elements.
    Type: Application
    Filed: October 5, 2011
    Publication date: July 18, 2013
    Inventors: Matthias Müller, Stephan Trassl, Bart De Gooijer, Klaus Schmidegg, Sander De Bruin