Hot-Light Resistant Blue Dispersion Dyes
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United States of America Patent
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Issued Date -
Aug 14, 2008
app pub date -
May 30, 2006
filing date -
Jun 2, 2005
priority date (Note) -
Abandoned
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Abstract
The present invention relates to dyes of the general formula I where R.sup.1 to R.sup.4 and Y are each as defined in claim 1, dye mixtures comprising same, processes for their preparation, and also their use for dyeing and printing hydrophobic synthetic materials.
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