Patent ID: 6022384
Filing Date: 2000-02-08
Classification: C09B,D06P

Abstract:
A process for the coloration of a substrate comprising applying thereto at a pH above 7 a water-soluble reactive dye of the formula N(Z).sub.3, wherein each Z is independently a group of the formula (III): ##STR28## wherein: m is from 1 to 6;Q is H or optionally substituted alkyl;Y is a labile atom or group; andD is a chromophoric group of the formulaL--N.dbd.N--L.sup.1 --NR.sup.1 --wherein L is an aryl or heteroaryl group, L.sup.1 is an arylene group and R.sup.1 is H or C.sub.1-4 alkyl.