Patents Assigned to Swiss Authentication GmbH
  • Luminescent Composition
    Publication number: 20090309044
    Abstract: The invention relates to a luminescent composition which is based on yttrium oxide sulfide and other oxide sulfides and to which at least one doping agent is added. The inventive composition has a characteristic emission spectrum and can optionally be used along with a reading system that is adjusted to the emission spectrum in order to mark substances or substance mixtures.
    Type: Application
    Filed: June 27, 2007
    Publication date: December 17, 2009
    Applicant: Swiss Authentication GmbH
    Inventors: Dieter Ebert, Bernd Dietel