1
Manfred Paeschke, Benedikt Ahlers, Anett Bailleu, Oliver Muth, Arnim Franz Burgholtz, Wolfgang Schmidt, Detlef Starick, Wolfgang Kempfert: Anti-stokes fluorescent compositions and methods of use. Bundesdruckerei, Fa Leuchtstoffwerk Breitungen, Darby & Darby, January 11, 2005: US06841092 (5 worldwide citation)

The present invention provides a secured document including a composition capable of anti-Stokes fluorescence containing an ion capable of absorption of electromagnetic radiation, an ion capable of emitting electromagnetic radiation, and a matrix composition comprising gadolinium, yttrium, lanthanum ...


2
Manfred Paeschke, Benedikt Ahlers, Anett Bailleu, Oliver Muth, Arnim Franz Burgholtz, Wolfgang Schmidt, Detlef Starick, Wolfgang Kempfert: Anti-stokes fluorescent compositions and methods of use. Bundesdruckerei and Fa Leuchtstoffwerk Breitungen, Darby & Darby PC, September 19, 2002: US20020130304-A1

The present invention provides a secured document including a composition capable of anti-Stokes fluorescence containing an ion capable of absorption of electromagnetic radiation, an ion capable of emitting electromagnetic radiation, and a matrix composition comprising gadolinium, yttrium, lanthanum ...