MONOAZO DYESTUFFS, A COMPOSITION AND AN INK FOR INK JET PRINTING COMPRISING THEM

Compounds of Formula (1) and salts and tautomers thereof, inks containing a compound of Formula (1), an ink jet printing process using the inks, substrates printed with the inks and ink jet printer cartridges containing the inks:wherein:R1 and R2 each independently is H, optionally substituted alkyl...

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Bibliographische Detailangaben
Hauptverfasser: KENWORTHY, MARK, KENYON, RONALD WYNFORD
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Compounds of Formula (1) and salts and tautomers thereof, inks containing a compound of Formula (1), an ink jet printing process using the inks, substrates printed with the inks and ink jet printer cartridges containing the inks:wherein:R1 and R2 each independently is H, optionally substituted alkyl, optionally substituted aryl or optionally substituted arylalkyl;each W and each X independently is -COOH, -SO3H, -PO3H2 or alkyl substituted by one or more groups selected from -COOH, -SO3H and -PO3H2;each Y and each Z independently is a substituent other than those defined for W and X;a and d each independently is 1 to 5;b and c each independently is 0 to 4;(a+b) has a value of 5 or less; and(c+d) has a value of 5 or less.