FLUORESCENT QUINACRIDONES
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United States of America Patent
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Issued Date -
Mar 5, 2009
app pub date -
Jun 20, 2005
filing date -
Jun 29, 2004
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Abandoned
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Abstract
The present invention relates to compounds of the Formula (I), a process for their preparation and their use for the preparation of inks, colorants, pigmented plastics, coatings, non-impact-printing material, color filters, cosmetics, polymeric ink particles, toners, as fluorescent tracers, in color changing media, in solid dye lasers and electroluminescent devices. A luminescent device comprising a composition according to the present invention is high in the efficiency of electrical energy utilisation and high in luminance.
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