| SWISS AUTHENTICATION GMBH Patent applications |
| Patent application number | Title | Published |
|---|
| 20100219377 | LUMINESCENT COMPOSITION - 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. | 09-02-2010 |
| 20090309044 | Luminescent Composition - 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. | 12-17-2009 |
