Phenylazoanilines
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United States of America Patent
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Jun 8, 1999
Grant Date -
N/A
app pub date -
Jul 15, 1998
filing date -
Jul 15, 1997
priority date (Note) -
Expired
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Abstract
Azo dyes of the formula ##STR1## where X is oxygen or a radical of the formula NR.sup.6, where R.sup.6 is hydrogen or substituted or unsubstituted C.sub.1 -C.sub.13 -alkyl, R.sup.1 is substituted or unsubstituted C.sub.1 -C.sub.13 -alkyl or substituted or unsubstituted phenyl, Y is hydrogen, halogen or cyano, Z is nitro or additionally cyano when Y is halogen or cyano, R.sup.2 is C.sub.1 -C.sub.4 -alkyl, methoxymethyl or substituted or unsubstituted phenyl, R.sup.3 is hydrogen, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkyl, and R.sup.4 and R.sup.5 are each substituted or unsubstituted C.sub.2 -C.sub.13 -alkyl or C.sub.2 -C.sub.6 -alkenyl, are useful for dyeing or printing synthetic materials and are synthesizable using novel dinitroaminoaromatics as diazo components.
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