Patent ID: 8268014

Claim:
Hair dyeing composition comprising (a) a dye of formula (b) at least one dye selected from the compounds of formulae wherein D is the radical of a diazo component of the formula K is the radical of a coupling component selected from aniline derivatives; phenol derivatives; naphthalene derivative; X is —CH═ —O—; —S—; or —N(R 7 )—; R 1 , R 2 , R 3 and R 4 independently from each other are hydrogen; or C 1 -C 4 alkyl; R 5 and R 6 independently from each other are hydrogen; C 1 -C 4 alkyl; or C 1 -C 4 alkoxy; R 7 and R 9 independently from each other are unsubstituted or OH—, C 1 -C 4 alkoxy-, halogen-, amino-, C 1 -C 4 -mono or -dialkylamino-substituted C 1 -C 4 alkyl; or phenyl; R 8 is hydrogen; C 1 -C 4 alkyl; Cl; or nitro; R 10 is hydrogen; C 1 -C 4 alkyl; Cl; nitro; amino; or C 1 -C 4 mono- or C 1 -C 4 dialkylamino; R 11 is hydrogen; C 1 -C 4 alkyl; or CN; R 12 is unsubstituted or OH—or CN-substituted C 1 -C 4 alkyl; R 13 is hydrogen; or C 1 -C 4 alkyl; R 14 and R 15 independently from each other are hydrogen; C 1 -C 4 alkyl; or C 1 -C 4 alkoxy; or R 14 and R 15 together with the nitrogen and carbon atoms joining them together form a 5-or 6-membered ring; R 16 and R 20 independently from each other are hydrogen; C 1 -C 4 alkyl; hydroxy; Cl; nitro; amino, C 1 -C 4 mono- or dialkylamino; R 17 , R 18 , R 19 , R 21 , R 22 and R 23 independently from each other are hydrogen; or C 1 -C 4 alkyl; R 24 is hydrogen; or C 1 -C 4 alkyl; and An − is a colorless anion.