Abstract: The present disclosure relates to a dye of formula (1a) and also to a process for its preparation and to its use in the dyeing or printing of semi-synthetic and, especially, synthetic hydrophobic fibre materials, more especially textile materials.

Abstract: The present invention relates to disperse azo dyes based on a phthalimido-substituted aniline coupling component and an aromatic-carbocyclic or an aromatic-heterocyclic diazo component, to a process for the preparation of such dyes and to their use in the dyeing or printing of semi-synthetic and, especially, synthetic hydrophobic fiber materials, more especially textile materials.

Abstract: The present invention relates to dyes of formula wherein R1 is 2-methoxyethyl, 2-ethoxyethyl or 2-(2-ethoxyethoxy)ethyl, R2 is C1-C8alkyl which is unsubstituted or substituted by one or more hydroxy groups, halogen atoms, C1-C4alkoxy groups, C2-C8alkoxyalkoxy groups, C1-C4alkyl-COO— groups or C1-C4alkyl-OCO— groups, R3 is methyl, hydroxy, halogen, —NH—SO2—R5 or —NH—CO—R6, wherein R5 is methyl or ethyl and R6 is methyl, ethyl, methoxymethyl or 2-methoxyethyl, and R4 is ethyl or n-propyl, and also to a process for their preparation and to their use in the dyeing or printing of semi-synthetic and, especially, synthetic hydrophobic fibre materials, more especially textile materials.

Abstract: The present invention relates to disperse azo dyes based on a phthalimido-substituted aniline coupling component and an aromatic-carbocyclic or an aromatic-heterocyclic diazo component, to a process for the preparation of such dyes and to their use in the dyeing or printing of semi-synthetic and, especially, synthetic hydrophobic fibre materials, more especially textile materials.

Abstract: The present invention relates to dye mixtures comprising (A) from 20 to 80% by weight of one or more compounds of formula (1) wherein R1 is C1-C12alkyl, or C1-C2alkyl interrupted by one or more oxygen atoms or —COO-groups and R2, R3, R4 and R5, each independently of the others, is hydrogen, C1-C12alkyl, chlorine, bromine, hydroxy or amino and (B) from 20 to 80% by weight of at least one further yellow disperse dye the sum of components (A)+(B) being 100% by weight, and to the use of those dye mixtures in the dyeing or printing of semi-synthetic or synthetic hydrophobic fiber materials.

Abstract: The present invention relates to dye mixtures comprising (A) from 20 to 80% by weight of one or more compounds of formula (1) wherein R1 is C1-C12alkyl, or C1-C2alkyl interrupted by one or more oxygen atoms or —COO-groups and R2, R3, R4 and R5, each independently of the others, is hydrogen, C1-C12alkyl, chlorine, bromine, hydroxy or amino and (B) from 20 to 80% by weight of at least one further yellow disperse dye the sum of components (A)+(B) being 100% by weight, 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 R1 is 2-methoxyethyl, 2-ethoxyethyl or 2-(2-ethoxyethoxy)ethyl, R2 is C1-C6alkyl which is unsubstituted or substituted by one or more hydroxy groups, halogen atoms, C1-C4alkoxy groups, C2-C8alkoxyalkoxy groups, C1-C4alkyl-COO— groups or C1-C4alkyl-OCO— groups, R3 is methyl, hydroxy, halogen, —NH—SO2—R5 or —NH—CO—R6, wherein R5 is methyl or ethyl and R6 is methyl, ethyl, methoxymethyl or 2-methoxyethyl, and R4 is ethyl or n-propyl, and also to a process for their preparation and to their use in the dyeing or printing of semi-synthetic and, especially, synthetic hydrophobic fibre materials, more especially textile materials.

Abstract: The present invention relates to dyes of formula (I) wherein R1 is C1–C12alkyl or —CnH2n—(OCH2CH2)m—OR3, n being a number from 2 to 8, m being a number from 0 to 4 and R3 being C1–C12alkyl, C6–C24aryl or C6–C24aralkyl, R2 is methyl, ethyl, n-propyl, n-butyl, 2-methoxyethyl or 2-ethoxyethyl, X is halogen and Y is hydrogen, chlorine or bromine, and to the process for the preparation thereof 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 a compound of formula I wherein R1 and R3 are each independently of the other —NHR5, NHSO2R5, —NHCOR5, —OR6 or —SR7, R2 and R4 are each independently of the other —OR6 or —SR7, with the proviso that not all of the substituents R1 to R4 are —SR7, R5 is hydrogen, alkyl, aryl, aralkyl or a group of formula —(CnH2nX)m—H wherein X is —O—, —S—, —SO2—, —NH—, —NR8—, —CONH— or —CONR8— and R8 is alkyl or aryl, n is a number from 2 to 6 and m is a number from 1 to 10, R6 is aryl or heteroaryl and R7 is alkyl, aryl, heteroaryl or a group of formula —(CnH2nX)m—H wherein X is —O—, —S—, —SO2—, —NH—, —NR8—, CONH— or —CONR8— and R8 is alkyl or aryl, to a process for the preparation thereof and to the use thereof in a method of producing mass-coloured plastics or polymeric colour particles.

Abstract: The present invention relates to dyes of formula wherein R1 is hydrogen, methyl or —BHCO—C1–C4alkyl, R2 is C1–C4alkyl, it being possible for the alkyl chain, from C2 upwards, optionally to be interrupted by an oxygen atom, and R3 has, independent of R2, any of the meanings of R2, and to the process for the preparation thereof and to the use thereof in dyeing or printing semi-synthetic and especially synthetic hydmophobic fiber materials, especially textile materials.

Abstract: The present invention relates to dyes of formula (I) wherein R1, is 2-methoxyethyl, 2-ethoxyethyl or 2-(2-ethoxyethoxy)ethyl, R2 is C1,-C6alkyl which is unsubstituted or substituted by one or more hydroxy groups, halogen atoms, C1,-C4alkoxy groups, C2-C8alkoxyalkoxy groups, C1,-C4alkyl-COO— groups or C1,-C4alkyl-OCO— groups, R3 is methyl, hydroxy, halogen, —NH—SO2—R5 or —NH—CO—R6, wherein R5 is methyl or ethyl and R6 is methyl, ethyl, methoxymethyl or 2-methoxyethyl, and R4 is ethyl or n-propyl, and also to a process for their preparation and to their use in the dyeing or printing of semi-synthetic and, especially, synthetic hydrophobic fibre materials, more especially textile materials.

Abstract: The present invention relates to dyes of formula (I) wherein R is hydrogen or bromine, R1 is hydrogen, methyl or —NHCO—C1–C4alkyl, R2 is C1–C4alkyl substituted by C1–C4alkoxy and R3 has, independently of R2, any of the meanings of R2, and to the process for the preparation thereof and to the use thereof in dyeing or printing semi-synthetic and especially synthetic hydrophobic fiber materials, especially textile materials.

Abstract: The present invention relates to dyes of formula (I) wherein R1 is C1-C12alkyl or —CnH2n—(OCH2CH2)m—OR3, n being a number from 2 to 8, m being a number from 0 to 4 and R3 being C1-C12alkyl, C6-C24aryl or C6-C24aralkyl, R2 is methyl, ethyl, n-propyl, n-butyl, 2-methoxyethyl or 2-ethoxyethyl, X is halogen and Y is hydrogen, chlorine or bromine, and to the process for the preparation thereof 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 a compound of formula (I) wherein R1 and R3 are each independently of the other —NHR5, NHSO2R5, —NHCOR5, —OR6 or —SR7, R2 and R4 are each independently of the other —OR6 or —SR7, with the proviso that not all of the substituents R1 to R4 are —SR7, R5 is hydrogen, alkyl, aryl, aralkyl or a group of formula —(CnH2nX)m—H wherein X is —O—, —S—, —SO2—, —NH—, —NR8—, —CONH— or —CONR8— and R8 is alkyl or aryl, n is a number from 2 to 6 and m is a number from 1 to 10, R6 is aryl or heteroaryl and R7 is alkyl, aryl, heteroaryl or a group of formula —(CnH2nX)m—H wherein X is —O—, —S—, —SO2—, —NH—, —NR8—, COHN— or —CONR8— and R8 is alkyl or aryl, to a process for the preparation thereof and to the use thereof in a method of producing mass-coloured plastics or polymeric colour particles.

Abstract: The present invention relates to dyes of formula (I) wherein R is hydrogen or bromine, R1 is hydrogen, methyl or —NHCO—C1-C4alkyl, R2 is C1-C4alkyl substituted by C1-C4alkoxy and R1 has, independently of R2, any of the meanings of R2, and to the process for the preparation thereof and to the use thereof in dyeing or printing semi-synthetic and especially synthetic hydrophobic fibre materials, especially textile materials.

Abstract: The present invention relates to dyes of formula wherein R1 is hydrogen, methyl or —BHCO—C1-C4alkyl, R2 is C1-C4alkyl, it being possible for the alkyl chain, from C2 upwards, optionally to be interrupted by an oxygen atom, and R3 has, independent of R2, any of the meanings of R2, and to the process for the preparation thereof and to the use thereof in dyeing or prnig semi-synthetic and especially synthetic hydmophobic tibre materials, especially textile materials.

Abstract: The present invention relates to dyes of formula wherein R is methyl or butyl, R1 is hydrogen, halogen, cyano or nitro, R2 is halogen or cyano, R3 is hydrogen, halogen, C1-C4alkyl or C1-C4alkoxy, R4 is hydrogen, C1-C4alkyl, halogen, CF3 or —NHCOR7 wherein R7 is C1-C4alkyl, R5 is C1-C6alkyl that is unsubstituted or substituted by hydroxy, cyano, acyloxy,  or by phenoxy, x being a number from 0 to 4 and it being possible for the alkyl chain, from C2 upwards, optionally to be interrupted by one or more oxygen atoms, or is a radical of formula —CH2CH2—O—COR8, of formula  or of formula  and R6 is a radical of formula —CH2CH2—O—COR8 or of formula  R8 and R9 each independently of the other being C1-C4alkyl and R10 being hydrogen or C1-C4alkyl, or, when R is methyl, R5 and R6 are each independently of the other C1-C4alkyl, with the proviso that when R is n-butyl and

Abstract: The present invention relates to a dye mixture comprising as component (A) at least one dye of formula as component (B) at least one dye of formula wherein the substituents R1, R2, R3 and R4 are as defined in claim 1, and to the use of that mixture in the dyeing or printing of semi-synthetic or synthetic hydrophobic fiber materials.

Abstract: The present invention relates to dyes of formula wherein R1 is hydrogen, bromine, chlorine, cyano, R2 is hydrogen, methyl, acetylamino, R3 is ethyl unsubstituted or substituted by cyano or by acyloxy, R4 is ethyl unsubstituted or substituted by cyano or by acyloxy, to a process for their preparation and to their use in the dyeing or printing of hydrophobic fiber materials.

Abstract: Disperse dyes of formula ##STR1## wherein R.sub.1 is nitro or cyano, R.sub.2 is halogen, R.sub.3 is C.sub.1 -C.sub.4 alkyl, R.sub.4 and R.sub.5 are each independently of the other methyl or ethyl and R.sub.6 is hydrogen, methyl or ethyl, with the proviso that R.sub.6 is not hydrogen if R.sub.1 is cyano, R.sub.2 is halogen and R.sub.3 is methyl or isopropyl or if R.sub.1 is nitro, R.sub.2 is halogen and R.sub.3 is methyl.These dyes are suitable in particular for dyeing and printing polyester textile materials.