Patents Assigned to EREI GMBH
  • MACHINE-READABLE SECURITY ELEMENT FOR SECURITY PRODUCTS
    Publication number: 20100024681
    Abstract: The invention relates to a machine-readable security element for security products, containing at least one particulate substance that has electroluminescent properties and a transparent, electrically conductive pigment. Also disclosed are a printing ink for producing such a security element and a security product comprising said security element.
    Type: Application
    Filed: April 29, 2005
    Publication date: February 4, 2010
    Applicants: MERCK PATENT GMBH, EREI GMBH
    Inventors: Burkhard Krietsch, Matthias Kuntz, Oliver Muth, Manfred Paeschke, Jakob Kuen