ANTI-STOKES FLUORESCENT MATERIAL COMPOSITION

The invention relates to anti-Stokes fluorescent material compositions which, upon excitation by IR radiation, emits IR radiation without significant quantities of visible blue light being emitted at the same time, and which are therefore suitable as invisible security marks.

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Bibliographische Detailangaben
Hauptverfasser:	BIANCA BLEY, UWE FISCHBECK
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CALCULATING CHEMISTRY COMPUTING COUNTING DYES HANDLING RECORD CARRIERS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PHYSICS POLISHES PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS
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Beschreibung
Zusammenfassung:	The invention relates to anti-Stokes fluorescent material compositions which, upon excitation by IR radiation, emits IR radiation without significant quantities of visible blue light being emitted at the same time, and which are therefore suitable as invisible security marks.