Method of improving pigment fluorescence

The present invention is directed to a process for the preparation of organic pigments with enhanced fluorescence, which process comprises treating said pigments with a sufactant, and to the fluorescent organic pigments obtained by said process. The pigments according to the present invention can be...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MACPHERSON IAN ALEXANDER, FRASER IAIN FRANK, WILSON SHARON KATHLEEN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention is directed to a process for the preparation of organic pigments with enhanced fluorescence, which process comprises treating said pigments with a sufactant, and to the fluorescent organic pigments obtained by said process. The pigments according to the present invention can be used in marking applications, wherein durable fluorescence is required.