Abstract: The present invention relates to azo dyes of formula (1), wherein D is a radical of formula (2) or (3), R1 and R2 independently denote hydrogen; C6-C10 aryl which is unsubstituted or substituted by cyano, carboxy, hydroxy, halogen, C1-C6alkyl, or C1-C6alkoxy; C1-C12alkyl which may be interrupted one or more times by —O—, —S—, —NR4—, —CO—, —COO— or —OOC—, and is unsubstituted or substituted by cyano, carboxy, hydroxy, C6-C10 aryl, or C6-C10 aryloxy, which C6-C10 aryl or C6-C10 aryloxy is unsubstituted or substituted by cyano, carboxy, hydroxy, halogen, C1-C6alkyl, or C1-C6alkoxy; R3 and R4 are each independently of the other hydrogen, halogen, nitro, cyano, trifluoromethyl, carboxy, C1-C6alkyl, C1-C6alkoxy, C1-C6alkylcarbonyl, C6-C10 arylcarbonyl, C1-C6alkoxycarbonyl, C1-C6alkylsulfonyl, C1-C6alkylsulfonylamino or C1-C4 alkanoylamino; and R5 is halogen, nitro, cyano, trifluoromethyl, carboxy, C1-C6alkyl, C1-C6alkoxy, C1-C6alkylcarbonyl, C6-C10 arylcarbonyl, C1-C6alkoxycarbonyl, C1-C6alkylsulfonyl, C1-C6alkylsu

Abstract: The present invention relates to azo dyes of formula (1), wherein D is a radical of formula (2) or (3), R1 and R2 independently denote hydrogen; C6-C10aryl which is unsubstituted or substituted by cyano, carboxy, hydroxy, halogen, C1-C6alkyl, or C1-C6alkoxy; C1-C12alkyl which may be interrupted one or more times by —O—, —S—, —NR4—, —CO—, —COO— or —OOC—, and is unsubstituted or substituted by cyano, carboxy, hydroxy, C6-C10aryl, or C6-C10aryloxy, which C6-C10aryl or C6-C10aryloxy is unsubstituted or substituted by cyano, carboxy, hydroxy, halogen, C1-C6alkyl, or C1-C6alkoxy; R3 and R4 are each independently of the other hydrogen, halogen, nitro, cyano, trifluoromethyl, carboxy, C1-C6alkyl, C1-C6alkoxy, C1-C6alkylcarbonyl, C6-C10arylcarbonyl, C1-C6alkoxycarbonyl, C—C6alkylsulfonyl, C1-C6alkylsulfonylamino or C1-C4alkanoylamino; and R5 is halogen, nitro, cyano, trifluoromethyl, carboxy, C1-C6alkyl, C1-C6alkoxy, C1-C6alkylcarbonyl, C6-C10arylcarbonyl, C1-C6alkoxycarbonyl, C1-C6alkylsulfonyl, C1-C6alkylsulfonylami

Abstract: The present invention relates to azo dyes of formula wherein R1 denotes C1-C12 alkyl which is unsubstituted or substituted by one or more C1-C12 alkoxy groups, hydroxyl groups, amino groups, cyano groups or halogen atoms and which may be interrupted one or more times by the radical —O—, —S—, —NR4—, —COO— or —OOC—; R4 is hydrogen or C1-C12 alkyl; either R2 is cyano and R3 is halogen or R2 is halogen and R3 is cyano; and Ar represents a carbocyclic or heterocyclic aromatic radical, to the process for the preparation thereof, to mixtures containing said dyes and to the use thereof in dyeing or printing semi-synthetic and especially synthetic hydrophobic fiber materials, more especially textile materials.

Abstract: Provided are anthraquinone azo dyes and dye mixtures which are distinguished by a very good build-up capacity and which also yield tinctorially strong dyeings or prints in a golden-yellow to orange shade having all around good properties, especially high temperature light fastness properties.

Abstract: The present invention relates to azo dyes of formula wherein R1 denotes C1-C12 alkyl which is unsubstituted or substituted by one or more C1-C12 alkoxy groups, hydroxyl groups, amino groups, cyano groups or halogen atoms and which may be interrupted one or more times by the radical —O—, —S—, —NR4—, —COO— or —OOC—; R4 is hydrogen or C1-C12 alkyl; either R2 is cyano and R3 is halogen or R2 is halogen and R3 is cyano; and Ar represents a carbocyclic or heterocyclic aromatic radical, to the process for the preparation thereof, to mixtures containing said dyes and to the use thereof in dyeing or printing semi-synthetic and especially synthetic hydrophobic fibre materials, more especially textile materials.

Abstract: The present invention relates to azo dyes of formula (1), wherein R1 denotes C1-C12alkyl which is unsubstituted or substituted by one or more C1-C12alkoxy groups, hydroxyl groups, amino groups, cyano groups or halogen atoms and which may be interrupted one or more times by the radical —O—, —S—, —COO— or —OOC—: R4 is hydrogen or C1-C12alkyl; either R2 is cyano and R3 is halogen or R2 is halogen and R3 is cyano; and Ar represents a carbocyclic or heterocyclic aromatic radical, to the process for the preparation thereof, to mixtures containing said dyes and to the use thereof in dyeing or printing semi-synthetic and especially synthetic hydrophobic fiber materials, more especially textile materials.

Abstract: The present invention relates to azo dyes of formula (1), wherein R1 denotes C1-C12alkyl which is unsubstituted or substituted by one or more C1-C12alkoxy groups, hydroxyl groups, amino groups, cyano groups or halogen atoms and which may be interrupted one or more times by the radical —O—, —S—, —COO— or —OOC—: R4 is hydrogen or C1-C12alkyl; either R2 is cyano and R3 is halogen or R2 is halogen and R3 is cyano; and Ar represents a carbocyclic or heterocyclic aromatic radical, to the process for the preparation thereof, to mixtures containing said dyes and to the use thereof in dyeing or printing semi-synthetic and especially synthetic hydrophobic fibre materials, more especially textile materials.

Abstract: The present invention relates to azo dyes of the formula (1), wherein R1 is hydrogen or hydroxy, R2 is hydrogen or hydroxy, at least one of the radicals R1 and R2 being hydroxy, R3 is hydrogen, cyano, nitro or halogen, R4 is hydrogen, cyano, nitro or halogen, D represents a radical of the formula (2) or (3), wherein R5 denotes C1-C12alkyl, C1-C12hydroxyalkyl, C1-C12alkoxyalkyl, C2-C12alkenyl, C6-C30aryl or C7-C36aralkyl and R6 and R7, each independently of the other, is hydrogen, C1-C12alkyl, C1-C12hydroxyalkyl, C1C12alkoxyalkyl, C6-C30aryl or C7-C36aralkyl, with the proviso that the compound of formula (1) is excluded, wherein R1 is hydrogen, R2 is hydroxy, R3 and R4 is hydrogen and D is the radical of formula (2) wherein R5 is ethyl, and to the use of those dye mixtures in the dyeing or printing of semi-synthetic or synthetic hydrophobic fibre materials.

Abstract: The present invention relates to dyes of formula wherein D, R1, R2, R3, R4 and n are defined as in the claims, to the process for the preparation thereof and to the use thereof in dyeing or printing semi-synthetic and especially synthetic hydrophobic textile materials, more especially textile materials.

Abstract: The present invention relates to dyes of formula wherein R1 and R2 are each independently of the other hydrogen, vinyl, allyl or C1-C6alkyl which is unsubstituted or substituted by cyano, carboxy, hydroxy, C1-C6alkoxy or C6-C24aryl, R3 is hydrogen, C1-C6alkyl or C6-C24aryl, R4 is hydrogen, C1-C6alkyl or C6-C24aryl, 2-Cyano-C1-C6alkyl, 2-Alkoxy-C1-C6alkyl, 2-Oxo-C1-C6alkyl, n is 0, 1 or 2, and D denotes a radical of formula (2), (3), (4), (5), (6) or (7) wherein R5 is hydrogen, nitro, cyano or halogen, R6 and R7 are each independently of the other hydrogen, nitro, cyano or halogen, R8 and R9 are each independently of the other hydrogen, nitro, cyano or halogen, R10 and R11 are each independently of the other nitro, cyano, trifluoromethyl, carboxy, C1-C6alkyl, C1-C6alkoxy, C1-C6acylamino or halogen, R12 and R13 are each independently of the other hydrogen, nitro, cyano, trifluoromethyl, carboxy, C1-C6alkoxycarbonyl, C1-C6alkylsulfonyl, C1-C6alkylsulfonylamino, C1-C6acylamino or halogen, R14 represen