Patents Assigned to Swiss Authentication GmbH
  • Publication number: 20100219377
    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: March 1, 2010
    Publication date: September 2, 2010
    Applicants: SWISS AUTHENTICATION GMBH, SWISS AUTHENTICATION RESEARCH AND DEVELOPMENT AG
    Inventor: Dieter EBERT
  • 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