FLUORESCENT PIGMENTS

Azo compounds of formula (I), wherein X stands for halogen, in particular for chlorine, or C1-C4alkoxy, in particular for methoxy, Y stands for -CH2- or -O-, R1 and R2, independently from each other, stand for hydrogen, C1-C8alkyl, or C6-C14aryl, which may be substituted up to three times with C1-C8...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHISHOLM, GREIG, COUGHLIN, STEPHEN, JOHN, MACPHERSON, IAN, ALEXANDER, FRASER, IAIN, FRANK, SMITH, DAVID, MACDONALD, MARTYR, SIMON
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Azo compounds of formula (I), wherein X stands for halogen, in particular for chlorine, or C1-C4alkoxy, in particular for methoxy, Y stands for -CH2- or -O-, R1 and R2, independently from each other, stand for hydrogen, C1-C8alkyl, or C6-C14aryl, which may be substituted up to three times with C1-C8alkyl, C1-C4alkoxy or halogen, a process for their preparation and their use as fluorescent compounds, in particular as solid fluorescent compounds, such as for special effect printing, sectrity printing or in the opto-electronic field.