Patent ID: 7776106
Filing Date: 2010-08-17
Classification: A61K,A61Q,C07C,C07D,C09B

Abstract:
1. A mixture comprising one or more dyestuffs of of formula (I) wherein R is hydrogen, alkyl, alkyl substituted by Q, aryl, Q-aryl, —OR X is hydrogen, —OR —NHSO Y is hydrogen, —NR Z is hydrogen, —NR each of R R each of R each of R each of R R R each of R each of R each of R substituted by Q, —C(O)R each of R R each of R each of R each of R each of R Q is a group of formula (II) wherein each of R′, R″ and R′″, independently, is (C A whereby the dyestuff of the formula (I) comprises exactly one group Q; whereby at least two of the groups X, Y and Z are groups other than hydrogen; and whereby in case R and X are both hydrogen and Y is —NR