Abstract: Reactive dyes containing at least one structural unit of formula (I), wherein Y is vinyl or a radical —CH2—CH2-U and U is a group removable under alkaline conditions, are suitable for dyeing cellulosic or amide-group-containing fibre materials.

Abstract: The present invention relates to pyridone dyes of formula (1), wherein R is a radical —(CR′H)n—W, R′ is hydrogen, C1-C2alkyl or phenyl, Y is cyano, —CONH2 or —CH2SO3H, W is hydrogen, a radical —NR1R2 or a radical —OR3, R1 and R2 are each independently of the other hydrogen, unsubstituted or hydroxy- or phenyl-substituted C1-C6-alkyl, it being possible for the alkyl chain from C3 upwards to be interrupted by one or more oxygen atoms, or a radical of formula (3), (4) or (5), or R1 and R2 together with the nitrogen atom in —NR1R2 form a heterocyclic ring, R3 is hydrogen, unsubstituted or hydroxy-substituted C1-C6alkyl, phenyl or a radical of formula (6), R4 is alkyl or aryl, R5 and R6 are each independently of the other alkyl, aryl or heteroaryl, n is an integer from 2 to 6, and m is an integer from 1 to 6, a process for the preparation thereof and their use in the production of coloured plastics or polymeric colour particles.

Abstract: Reactive dyes of formula 1

Abstract: The present invention relates to an azo dye of formula wherein D is the radical of a diazo component of the benzene, naphthalene, diphenyl, thiophene, benzothiazole, benzisothiazole, thiadiazole, indazole, benzotriazole, pyrazole, anthraquinone, naphthalic acid imide, chromone, phthalimide or diphenylene oxide series, R1 is an unsubstituted or substituted aryl radical and R2 is an unsubstituted or substituted aryl radical, with the exception of the compounds of formulae (1a) and (1b) to a process for its preparation and to its use in a process for the production of mass-coloured plastics or polymeric colour particles, and in the dyeing or printing of semi-synthetic or synthetic hydrophobic fibre materials.

Abstract: Compounds of the formula in which the variables are as defined in the claims, which are suitable as fiber-reactive dyes for dyeing widely varying fiber materials, are described.

Abstract: Dye mixtures, which comprise at least one dye of formula (1) together with at least one dye of formula (2), wherein R1, R2, R4 and R5 are each independently of one another hydrogen or unsubstituted or substituted C1-C4alkyl, (R3)0-2 is 0 to 2 identical or different substituents selected from the group consisting of C2-C4halogen alkanoylamino, C1-C4alkyl or C1-C4alkoxy, A1 and A2 are each independently of the other an unsubstituted or substituted phenylene radical or a C1-C8alkylene radical which may be interrupted by oxygen, D is a radical of formula (3) or (4) wherein is (R6)0-2 0 to 2 identical or different substituents selected from the group consisting of halogen, C2-C4alkanoylamino, C1-C4alkyl and C1-C4alkoxy, X1 and X2 are halogen, and Y1 and Y2 are each independently of the other a fiber-reactive radical of formula: —SO2—Z (5a): —CONH—(CH2)m—SO2—Z (5b); —NH—CO—CH(Hal)—CH2—Hal (5c).

Abstract: A method of printing cellulosic fiber materials in which the fiber material is brought into contact with reactive dyes of formula: wherein A is the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan or dioxazine chromophore, R1, R2 and R3 are each independently of the others hydrogen or unsubstituted or substituted C1-C4alkyl, X1 and X2 are halogen, B is an organic bridging member, T is a reactive radical of formula: R4 is hydrogen, C1-C4alkyl unsubstituted or substituted by hydroxy, sulfo, sulfato, carboxy or by cyano, or a radical  wherein R5 is as defined hereinbelow, R5 is hydrogen, hydroxy, sulfo, sulfato, carboxy, cyano, halogen, C1-C4alkoxycarbonyl, C1-C4alkanoyloxy, carbamoyl or a group —SO2—Y, R6 is hydrogen or C1-C4alkyl, alk and alk1 are each independently of the other linear or branched C1-C6alkylene, arylene is an unsubstituted or sulfo-, carboxy-, hydroxy-, C1-C4alkyl-, C1-C4al

Abstract: Dyes of formula (1) wherein R1 and R2 are each independently of the other hydrogen or C1-C4alkyl, and D1 and D2 are each independently of the other a radical of formula (2)  wherein (R3)0-3 denotes from 0 to 3 identical or different substituents selected from the group halogen, C1-C4alkyl, C1-C4alkoxy, carboxy, nitro and sulfo, and X1 is a radical of formula (3a), (3b), (3c), (3d), (3e) or (3f) —SO2—Z  (3a), —NH—CO—(CH2)m—SO2—Z  (3b), —CONH—(CH2)n—SO2—Z  (3c), —NH—CO—CH(Hal)-CH2-Hal  (3d), —NH—CO—C(Hal)=CH2  (3e) or  wherein Y is halogen, T independently thereof has a meaning given for Y or is a non-fiber-reactive substituent or is a fiber-reactive radical of formula (4a), (4b), (4c), (4d) or (4e) —NH—(CH2)2-3—SO2—Z  (4a), —NH—(CH2)

Abstract: Compounds of the formula 1

Abstract: Reactive dyes of formula wherein R1 and R2 are each independently of the other hydrogen or unsubstituted or substituted C1-C4alkyl, A is C2-C8alkylene interrupted by oxygen, X is halogen, and Y is a fiber-reactive radical of formula (2) —SO2—Z  (2) wherein Z is vinyl or a radical —CH2—CH2—U and U is a group removable under alkaline conditions, are suitable especially for dyeing cotton and yield dyeings having good allround properties.

Abstract: Compounds of formula (1) wherein K1 and K2 are each independently of the other the radical of a coupling component from the series benzene, naphthalene, 4-alkyl-6-hydroxypyridone-(2), 2,5-diamino-4-alkylpyridine, 1-arylpyrazolone-(5) and 1-aryl-5-aminopyrazole, at least one of which contains a fiber-reactive group, with the proviso that (i) the fiber-reactive group is not 2-(&bgr;-sulfatoethylsulfonyl)ethylamino when K1 and K2 are phenyl substituted by a fiber-reactive group, and (ii) the fiber-reactive group is not &bgr;-sulfatoethylsulfonyl when K1 and K2 are N-(&bgr;-sulfatoethyl)aniline substituted on the phenyl ring by a fiber-reactive group, are suitable for dyeing a wide variety of fiber materials, especially cellulosic fiber materials, and yield dyeings having good allround properties.

Abstract: Black-dyeing aqueous inks comprising

Abstract: Reactive dyes of the formula (1) wherein the variables are as defined in the specification are especially suitable for dyeing cotton and yield dyeings having good all-round fastness properties.

Abstract: Reactive dyes of formula (1) wherein A is phenyl or naphthyl, each of which is unsubstituted or substituted by halogen, C1-C4alkyl, C1-C4alkoxy, carboxy, sulfo or a fiber-reactive group of formula (2a), (2b), (2c), (2d) or (2e) —SO2—Y  (2a), —NH—CO—(CH2)l—SO2—Y  (2b), —CONH—(CH2)m—SO2—Y  (2c), —NH—CO—CH(Hal)—CH2Hal  (2d) or —NH—CO—C(Hal)═CH2  (2e), B is an aliphatic linking group, D is the radical of a diazo component of the benzene or naphthalene series, R1 is hydrogen or unsubstituted or substituted C1-C4alkyl, R2 is hydrogen, cyano, carbamoyl or sulfomethyl, R3 is hydrogen or C1-C4alkyl, R is hydrogen or unsubstituted or substituted C1-C4alkyl or corresponds to a radical of formula (3)  wherein B, D, R2 and R3 have the meanings cited above, X1 is halogen, hydroxy, C1-C4alkoxy, unsubstituted o

Abstract: Reactive dyes of formula (1) 1

Abstract: Reactive dyes of formula (1) wherein b is the number 1 or 2, A is the radical of formula (2) or (3) D1, D2, R1, R2, X1, Y, l, m and n are as defined in the specification, are especially suitable for dyeing cotton and wool and yield dyeings having good all round properties.

Abstract: A method of printing cellulosic fiber materials in which the fiber material is brought into contact with reactive dyes of formula 1

Abstract: Dyes of the formula in which Me, R1, X1, A, u and q are as defined in the specification are particularly suitable for dyeing cotton and produce dyeings with good all-round properties.

Abstract: Reactive dyes of formula (1) wherein b is the number 1 or 2, A is the radical of formula (2) or (3) D1 is a radical off formula  or the radical of an azo dye when b is the number 1 or the radical of an aromatic tetraazo component when b is the number 2, D2 is the radical of a diazo component, of the benzene or naphthalene series, R1 and R2 are each independently of the other hydrogen or C1-C4alkyl, (R3)0-2 denotes from 0 to 2 substituents selected from the group C1-C4alkyl, C1-C4alkoxy, halogen and sulfo, X1 is fluorine or chlorine, Y is vinyl or a radical —CH2—CH2—U and U is a group removable under alkaline conditions, l is the number 2, 3, 4, 5 or 6, and m and n are each independently of the other the number 0 or 1, wherein when A is a radical of formula (3) and D1 is the radical of an azo dye, at least one of the radicals D1 and D2 contains a fibre-reactive radical of formula (2) with the proviso that A is a radical of f

Abstract: Reactive dyes of formula 1