Patent ID: 7125966

Claim:
A dyestuff or a mixture of dyestuffs of formula (I) wherein X is H; halogen, —CN; —SO 2 CH 3 ; —OH; —OCH 3 or —NO 2 , Y is H; halogen, or —CN, and K is a coupling component radical of the 6-hydroxypyridone-2, aniline, a-naphthylamine, 5-aminopyrazole, 5-hydroxypyrazole, indole, tetrahydrochinoline, 2-aminothiazole, 2-aminothiophene, phenole which is not 3,5-dimethyl substituted and the substituents in the 3 and 5 position are not members of a second ring, 2-naphthol, benzomorpholine or 2,6-diaminopyridine series.