Abstract: The present invention relates to azo dyes of formula wherein R1 denotes hydrogen or C1-C12alkyl which is unsubstituted or substituted by one or more C1-C12alkoxy groups, C1-C12alkylcarbonyl groups, C7-C25arylcarbonyl 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-C12alkyl; X is hydrogen or halogen; and R2 and R3 are each independently of the other hydrogen; C1-C12alkyl which is unsubstituted or substituted by cyano, carboxy, hydroxy, C1-C6alkoxy or C2-C8alkoxyalkoxy; or are C7-C25aralkyl which is unsubstituted or substituted by cyano, carboxy, hydroxy, C1-C6alkoxy or C2-C8alkoxyalkoxy, 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: A process for the simultaneous tanning and dyeing of collagen containing fibrous material, wherein the said material is treated with a liquor containing at least one reactive dyestuff selected from the group of formula (1) and (2) wherein A1, A2 and A3 are each independently of the others the radical of a monoazo, polyazo, metal-complexed azo, anthraquinone, phthalocyanine, formazan or dioxazine chromophore having at least one sulfo group, B is an organic bridge member, Q1, Q2, Q3 and Q4 are each independently of the others hydrogen or unsubstituted or substituted C1-C4alkyl, G1 and G2 are halogen, 3-carboxypyridin-1-yl or 3-carbamoylpyridin-1-yl, (Z1)2-3 is 2 to 3 identical or different fiber reactive radicals, Z2 and Z3 are each independently of the other identical or different fiber reactive radicals, and b is the number 0 or 1, by combining two steps of leather production, tanning and dyeing, into a single step, thus, preserving resources and reducing the environmental impact.

Abstract: A reactive dye of formula wherein Z1 and Z2 are each independently of the other vinyl or a radical —CH2—CH2—Y and Y is a group removable under alkaline conditions, n is the number 1, 2, 3 or 4, m is the number 2, 3 or 4, q is the number 0 or 1, and the substituents —(SO3H)n, —SO2—Z1 and —NH—CO—(CH2)m—SO2—Z2 are bound to the benzene rings A, B and/or C, said benzene rings A, B and/or C are optionally further substituted by at least one substituent selected from the group C1-C4alkyl, C1-C4alkoxy and halogen, is suitable for dyeing and printing cellulosic or amide-group-containing fibre materials.

Abstract: The present invention relates to azo dyes of formula wherein R1 denotes hydrogen or C1-C12alkyl which is unsubstituted or substituted by one or more C1-C12alkoxy groups, C1-C12alkylcarbonyl groups, C7-C25arylcarbonyl 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-C12alkyl; X is hydrogen or halogen; and R2 and R3 are each independently of the other hydrogen; C1-C12alkyl which is unsubstituted or substituted by cyano, carboxy, hydroxy, C1-C6alkoxy or C2-C8alkoxyalkoxy; or are C7-C25aralkyl which is unsubstituted or substituted by cyano, carboxy, hydroxy, C1-C6alkoxy or C2-C8alkoxyalkoxy, 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: A reactive dye of formula wherein Z1 and Z2 are each independently of the other vinyl or a radical —CH2—CH2—Y and Y is a group removable under alkaline conditions, n is the number 1, 2, 3 or 4, m is the number 2, 3 or 4, q is the number 0 or 1, and the substituents —(SO3H)n, —SO2—Z1 and —NH—CO—(CH2)m—SO2—Z2 are bound to the benzene rings A, B and/or C, said benzene rings A, B and/or C are optionally further substituted by at least one substituent selected from the group C1-C4alkyl, C1-C4alkoxy and halogen, is suitable for dyeing and printing cellulosic or amide-group-containing fibre materials.

Abstract: The present invention relates to disperse azo dyes based on diazo components having at least one fluorine-containing substituent and an 2,6-diaminosubstituted pyridine coupling 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: Provided are processes for dyeing or printing fibre materials using reactive dye mixtures. The reactive dyes mixtures have been found to be suitable for dyeing or printing hydroxyl-group containing fibre materials or nitrogen-containing fibre materials. The dyeings or prints obtained according to such processes exhibit good all around fastness properties.

Abstract: Provided are processes for dyeing or printing fibre materials using reactive dye mixtures. The reactive dyes mixtures have been found to be suitable for dyeing or printing hydroxyl-group containing fibre materials or nitrogen-containing fibre materials. The dyeings or prints obtained according to such processes exhibit good all around fastness properties.

Abstract: Reactive dye mixtures comprising at least one red dyeing dye and at least one blue, yellow, orange or brown dyeing dye and their use in methods for the dichromatic or trichromatic dyeing or printing of cellulosic fiber materials are described. The reactive dye mixtures yield dyeings or prints having good reproducibility and good all-round fastness properties.

Abstract: Dye mixtures comprising at least one dye of formula together with at least one dye from the group of formulae wherein the radicals have the definitions given in the claims, are suitable for dyeing or printing cellulose-containing fiber materials, while at the same time exhibiting good build-up behavior, and yield dyeings of deep shade having good fastness properties.

Abstract: Dye mixtures comprising at least one reactive dye of the formula (1) together with at least one reactive dye of the formula (2), wherein one of the radicals A and B denotes NH2, and the other one of the radicals A and B denotes OH, D is a benzene or naphthalene radical, R1 is hydrogen, hydroxy, sulfo, C1-C4alkyl or C1-C4alkoxy unsubstituted or substituted in the alkyl moiety by hydroxy or by sulfato, R2 is hydrogen, C1-C4alkyl, C1-C4alkoxy, C2-C4alkanoylamino or ureido, R3 is C1-C4alkyl, (R4)0-2 denotes 0 to 2 identical or different substituents selected from the group C1-C4alkyl, C1-C4alkoxy or sulfo, X1 is halogen, 3-carboxypyridin-1-yl or 3-carbamoylpyridin-1-yl, Y1, Y2, Y3, Y4 and Y5 are each independently of the other vinyl or a radical —CH2CH2—U and U is a group removable under alkaline conditions, h, k, l, m and n are each independently of the other the number 0, 1 or 2, and p and q are each independently of the other the number 0 or 1, are suitable for dyeing and printing cellulosic or nitrogen-contai

Abstract: Dye mixtures, comprising least one yellow dye of the formula (1), at least one yellow dye of the formula (2), at least one red dye of the formula (3), at least one blue dye of the formula (4), wherein the radicals have the definitions given in the claims, are suitable especially for the trichromatic dyeing or printing of cellulosic fibre materials and yield dyeings or prints having good reproducibility and good all-round fastness properties.

Abstract: Reactive dyes of the formula (1) wherein B is an aliphatic bridging member, G is a sulfo naphthalene group or a sulfo benzene group of the formula (2a) or a pyridone radical of the formula (2b), R1, R2, R3 and R4 are each independently of the others hydrogen or unsubstituted or substituted C1-C4alkyl, (R5)h denotes h identical or different substituents selected from the group sulfo, C1-C4alkyl and C1-C4alkoxy, R6 is hydrogen, sulfo, halogen, carboxy, C1-C4alkyl, C1-C4alkoxy or a fiber-reactive group Z1 of the formula —SO2—Y (3a), —NH—CO—(CH2)1—SO2—Y (3b), —CONH—(CH2)m—SO2—Y (3c), —NH—CO—CH(Hal)-CH2-Hal (3d) or —NH—CO—C(Hal)=CH2 (3e), R7 is amino, C1-C4alkyl or a fiber-reactive group Z2 of the formula —NH—(CH2)n—SO2—Y (3a), (R8)j denotes j identical or different substituents selected from the group sulfo, C2-C4alkanoylamino, ureido, C1-C4alkyl and C1-C4alkoxy, R9 is hydrogen, C1-C4alkyl or C1-C4alkoxy, R10 is hydrogen or C1-C4alkyl, R11 is hydrogen, cyano, carbamoyl or sulfomethyl, and R12 is hydrogen, C1-C4al

Abstract: The present invention relates to disperse azo dyes based on diazo components having at least one fluorine-containing substituent and an 2,6-diaminosubstituted pyridine coupling 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: Dye mixtures, comprising at least one red dyeing dye of the formula (1) and at least one blue, yellow, orange or brown dyeing dye from the group of the formulae (2), (3), (4), (5) and (6), wherein B is an aliphatic bridging member, R1, R3 and R8 are each independently of the others hydrogen or C1-C4alkyl, R2, R4, R5, R9, R11, R12, R13, R14, R15 and R16 are each independently of the others hydrogen, C1-C4alkyl, C1-C4alkoxy or sulfo, R6 and R10 are each independently of the other amino or C1-C4alkyl, (R7)j denotes j identical or different substituents selected from the group C2-C4alkanoylamino, ureido, C1-C4alkyl and C1-C4alkoxy, (R17)i denotes i identical or different substituents selected from the group C2-C4alkanoylamino, ureido, sulfo, C1-C4alkyl and C1-C4alkoxy, X1, X2, X3, X4, X5 and X6 are each independently of the others halogen, 3-carboxypyridin-1-yl or 3-carbamoylpyridin-1-yl, Z1, Z2 and Z3 are each independently of the others a fibre-reactive group of the formula —SO2—Y8, (7a) or —NH—CO—(CH2)2-3—SO2—

Abstract: Reactive dyes of the formula (1) wherein B is an aliphatic bridging member, G is a sulfo naphthalene group or a sulfo benzene group of the formula (2a) or a pyridone radical of the formula (2b), R1, R2, R3 and R4 are each independently of the others hydrogen or unsubstituted or substituted C1-C4alkyl, (R5)h denotes h identical or different substituents selected from the group sulfo, C1-C4alkyl and C1-C4alkoxy, R6 is hydrogen, sulfo, halogen, carboxy, C1-C4alkyl, C1-C4alkoxy or a fibre-reactive group Z1 of the formula —SO2—Y (3a), —NH—CO—(CH2)l—SO2—Y (3b), —CONH—(CH2)m—SO2—Y (3c), —NH—CO—CH(Hal)-CH2-Hal (3d) or —NH—CO—C(Hal)=CH2 (3e), R7 is amino, C1-C4alkyl or a fibre-reactive group Z2 of the formula —NH—(CH2)nSO2—Y (3a), (R8)j denotes j identical or different substituents selected from the group sulfo, C2-C4alkanoylamino, ureido, C1-C4alkyl and C1-C4alkoxy, R9 is hydrogen, C1-C4alkyl or C1-C4alkoxy, R10 is hydrogen or C1-C4alkyl, R11 is hydrogen, cyano, carbamoyl or sulfomethyl, and R12 is hydrogen, C1-C4alk

Abstract: Dye mixtures, comprising at least one dye of formula and at least one dye from the group of formulae wherein the substituents are defined in the specification.

Abstract: Reactive dyes of the formula (1) in which Q1, X, V1, V2, B, T and R1, R2, R4 and R5 are defined in the claims and in the disclosure and wherein the reactive dyes are suitable for dyeing widely varying fiber materials, in particular cellulosic fiber materials and produce dyeings with good allround properties.

Abstract: Reactive dyes of formula wherein the variables are defined herein.

Abstract: Reactive dyes of the formula (1) in which Q1 is hydrogen, halogen or a radical of the formula R1, R2 and R3 independently of one another are hydrogen or C1-C4alkyl which is unsubstituted or substituted by hydroxyl, sulfo, carboxyl or sulfato, and R1 in formula (1) and R1 in formula (2a) have identical or different meanings and R2 in formula (1) and R2 in formula (2a) have identical or different meanings, (R4)0-1 and (R5)0-1 independently of one another are 0 or 1 identical or different substituents from the group consisting of C1-C4alkyl, C1-C4alkoxy, halogen and sulfo, A is hydrogen or C1-C4alkyl which is unsubstituted or substituted by hydroxyl, sulfo, carboxyl or sulfato, phenyl which is unsubstituted or substituted by C1-C4alkyl, C1-C4alkoxy, C2-C4alkanoylamino, hydroxyl, carboxyl, carbamoyl, sulfo or halogen, phenyl-C1-C2alkylene which is unsubstituted or substituted in the phenyl ring by C1-C4alkyl, C1-C4alkoxy, C2-C4alkanoylamino, hydroxyl, carboxyl, sulfo, carbamoyl or halogen, or C5-