Patent ID: 7410594

Claim:
Trichromatic coloring process for coloring a hydroxy-group-containing or nitrogen-containing organic substrate comprising the step of coloring the substrate with a dye mixture comprising at least one red-dyeing compound of the formula (I) wherein R 1 is a C 1-4 -alkyl group or a substituted C 2-4 -alkyl group, R 2 and R 3 are independently from each other H; —OH; —CN; C 1-2 -alkyl; —SO 3 H; —COOH; —OC 1-2 -alkyl or —NH 2 , X is a halogen radical and Y —CH═CH 2 or —CH 2 CH 2 -Z, wherein Z is a radical which can be eliminated by alkali, at least one yellow or orange -dyeing compound is selected from the group consisting of: formula (II) wherein R 4 and R 5 signify independently from each other H or —SO 3 H, A is a group of formula (i) or (ia) wherein X and Y are defined above, R 6 and R 7 independently from each other H; unsubstituted C 1-4 alkyl or substituted C 1-4 alkyl, B is wherein R 8 C 1-4 alkyl; —NH 2 or —NHC 1-4 alkyl, wherein the asterisk marks the bond to the —N═N— group; of formula (III) wherein R 9 —SO 3 H or —SO 2 Y, wherein Y is defined above, R 10 H or —SO 3 H, R 11 H; unsubstituted C 1-4 alkyl or substituted C 1-4 alkyl, D is wherein X and Y are defined above and R 12 is H; unsubstituted C 1-4 alkyl or substituted C 1-4 alkyl; and formula (IV) wherein R 13 is H; methyl; methoxy, ethoxy; —NHCONH 2 or —NHCOCH 3 , R 14 is H; methyl; methoxy or ethoxy, RG is wherein R 15 is H or chlorine, Y is defined above; and at least one blue-dyeing compound selected from the group consisting of: formula (V) wherein R 16 is H or —SO 3 H, R 17 is wherein X and Y have the same meanings as defined above, R 18 and R 19 are independently from one another H; unsubstituted C 1-4 alkyl or substituted C 1-4 alkyl, n is 0 or 1, T is wherein R 16 has the meanings as defined above and Y has the meanings as defined above and R 20 is H; unsubstituted C 1-4 alkyl or substituted C 1-4 alkyl; formula (VI) in which R 21 is H or —COOH, each of R 22 and R 24 is independently H; —COOH; —SO 3 H; —NHCOCH 3 ; —NHCOCHY 2 —CH 2 Y 1 ; —NHCOCY 2 ═CH 2 or —NHCOCH 2 Y 1 , R 23 —COOH, Y 1 is chlorine; bromine; —OSO 3 H or —SSO 3 H and Y 2 is H; chlorine or bromine; formula (VII) in which Y has the same meanings as defined above, R 25 H or —SO 3 H, R 26 H or —SO 3 H; and formula (VIII) wherein each Y has independently from each other the same meaning as defined above, R 27 and R 28 are independently from each other H; unsubstituted C 1-4 alkyl or substituted C 1-4 alkyl.