Patents Assigned to SWISS AUTHENTICATION RESEARCH AND DEVELOPMENT AG
  • Luminescent composition
    Patent number: 9422473
    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: Grant
    Filed: March 1, 2010
    Date of Patent: August 23, 2016
    Assignee: Swiss Authentication Research and Development AG
    Inventor: Dieter Ebert
  • Combination of luminescent substances
    Patent number: 9224082
    Abstract: The invention relates to a luminescent composition comprising a component which can be excited by infrared (IR) radiation and a component which can be excited by ultraviolet (UV) radiation. The composition has a characteristic emission spectrum and may optionally be used together with a reading system adapted to the emission spectrum in order to mark substances or mixtures of substances.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: December 29, 2015
    Assignee: SWISS AUTHENTICATION RESEARCH AND DEVELOPMENT AG
    Inventor: Dieter Ebert
  • COMBINATION OF LUMINESCENT SUBSTANCES
    Publication number: 20130062537
    Abstract: The invention relates to a luminescent composition comprising a component which can be excited by infrared (IR) radiation and a component which can be excited by ultraviolet (UV) radiation. The composition has a characteristic emission spectrum and may optionally be used together with a reading system adapted to the emission spectrum in order to mark substances or mixtures of substances.
    Type: Application
    Filed: May 10, 2011
    Publication date: March 14, 2013
    Applicant: SWISS AUTHENTICATION RESEARCH AND DEVELOPMENT AG
    Inventor: Dieter Ebert
  • LUMINESCENT COMPOSITION
    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