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| Number | Title | Issue Date |
| 7109313 | Water-soluble reactive mono- and di-azo dyes The present invention relates to dyes of the general formula (I) where X1 is a radical —CH2CH2Z or —CH═CH2, Z being analkali-eliminable group, ... | 09/19/2006 |
| 6518408 | Reactive colorants, production and use thereof Compounds of formula (1) ##STR1## 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-aryl... | 02/11/2003 |
| 6392021 | Reactive dyes, processes for their preparation and their use Reactive dyes of formula (1) ##STR1## wherein b is the number 1 or 2, A is the radical of formula (2) or (3) ##STR2## D1, D2, R1, R2, X1, Y, l, m and n are as defined in the specification, are especia... | 05/21/2002 |
| 6281339 | Addition products of acryloylamino-substituted dyes, and the preparation and use thereof Monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan or dioxazine dyes comprising at least one structural unit of formula (1) ##STR1## wherein Z is C1 -C24 alkoxy unsubstituted or substituted in the alkyl ... | 08/28/2001 |
| 6239263 | Water-soluble azo compounds and process for the preparation thereof Novel water-soluble azo compounds useful as raw materials for preparing dyes excellent in dyeing properties and fastness and prepared from a coupler consisting of 2-hydroxynaphthalene-3,6-dicarboxylic acid or an ester thereof or an amide derivative of the... | 05/29/2001 |
| 6187912 | Disazo compound their preparation and their use as dyestuffs Disazo compounds, processes for their preparation and their use as dyestuffs Described are fiber-reactive, water-soluble disazo compounds corresponding to the formula (1) given below, which are capable of dyeing fiber material containing hydroxy, amino, t... | 02/13/2001 |
| 5849887 | Mixtures of reactive dyes and their use Dye mixtures comprising at least one reactive dye of formula ##STR1## together with at least one reactive dye of formula ##STR2## give dyeings having good fastness properties on nitrogen-containing or hydroxyl group-containing fiber materials.... | 12/15/1998 |
| 5710258 | Azo dyes The invention relates to compounds of formula ##STR1## The compounds of formula (1) are suitable as dye for dyeing or printing hydroxyl group-containing or nitrogen-containing fibre materials and give dyeings of prints having good allround fastness p... | 01/20/1998 |
| 5703215 | Water-soluble dyes which are polymerizable containing molecules which contain a nucleophilic group and an electrophilic group A process for the coloration of a substrate, especially a textile, comprising the steps of: (a) applying to the substrate a mixture comprising an aqueous solvent and a water-soluble dye comprising molecules which contain a nucleophilic group and an electr... | 12/30/1997 |
| 5691459 | Disazo dyes containing two carbonylamino groups processes for their preparation and their use Azo dyes of the formula ##STR1## in which R1 and R2 independently of one another are unsubstituted or hydroxy-, C1 -C4-alkoxy- or halogen-substituted C1 -C4 -alkyl or C1 -C4... | 11/25/1997 |
| 5616695 | Azo dyes containing a 1-alkyl-6-hydroxy-4-methyl-3-sulfomethyl-pyrid-2-one coupling component The invention relates to azo dyes of formula ##STR1## wherein R1 is acryloyl, -haloacryloyl, -methylacryloyl or ,ଲ-dihalopropionyl, R2 is C1 -C5 alkyl which is unsubstituted or su... | 04/01/1997 |
| 5597904 | Reactive dyes, process for their preparation and the use thereof Reactive dyes of formula ##STR1## wherein Z is a group of formula --CH.dbd.CH2 or --CH2 --CH2 --Y, and Y is a leaving group, and K is a radical of formula ##STR2## wherein X is a radical of formula --(CH2 | 01/28/1997 |
| 5565553 | Disazo dyes with a vinylsulfonyl type fiber-reactive radical substituted diazo component and a 2-sulfophenylene middle component carrying a fiber-reactive radical in the 5-position Reactive dyes of the formula ##STR1## where A, K and Z are each as defined in the claims, are especially useful for dyeing or printing cellulosic fiber materials, producing dyeings and prints having good fastness properties in a high yield.... | 10/15/1996 |
| 5523397 | Reactive dyes, process for their preparation and the use thereof Reactive dyes of formula ##STR1## wherein Z is a group of formula --CH.dbd.CH2 or --CH2 --CH2 --Y, and Y is a leaving group, and K is a radical of formula ##STR2## wherein X is a radical of formula ##STR3## ... | 06/04/1996 |
| 5480976 | Reactive dyes containing a vinylsulfonyl-substituted 2-aminonaphthalene coupling component and a haloacryloylaniline diazo component or the like Reactive dyes of formula ##STR1## wherein X, Z, R1, R2, R3, R4 and m are as defined in claim 1, are particularly suitable for dyeing or printing cellulosic fiber materials or natural or synthetic polyamide ... | 01/02/1996 |
| 5449762 | Phenylazo- or naphthylazobenzenes having thioether groups Reactive dyes of the formula I ##STR1## where n is 0 or 1 R1, R2 and R3 are in each case hydrogen, C1 -C4 -alkyl or phenyl, R4 is fluorine, chlorine, bromine, C1 -C4 -... | 09/12/1995 |
| 5432266 | Fiber-reactive monoazo and disazo dyes Preparation of water-soluble reactive dyes containing vinylsulphonyl and ଲ-sulphatoethylsulphonyl groups by the oxidation of dyes containing ଲ-hydroxyethylmercapto radicals, and then sulphation and, if appropriate, conversion of the ଲ-su... | 07/11/1995 |
| 5428140 | Preparation of phenylazo- or naphthylazobenzenes having thioether groups Reactive dyes of the formula ##STR1## where n is 0 or 1 R1, R2 and R3 are in each case hydrogen, C1 -C4 -alkyl or phenyl, R4 is fluorine, chlorine, bromine, C1 -C4 -al... | 06/27/1995 |
| 5424405 | Fiber-reactive monoazo dyes having A2-vinylsulfonyl-5-haloacryloylaniline diazo component or the like The fibre-reactive dyes of the formula ##STR1## where the variables are each as defined in the claims, are suitable in particular for dyeing nitrogen-containing and hydroxyl-containing fibre materials.... | 06/13/1995 |
| 5352247 | Anthraquinone dyes, their preparation and their use Anthraquinone dyes of the formula ##STR1## in which A, R1, R2, R3 and n are as defined in claim 1, produce dyeings having good fastness properties on nitrogen-containing or hydroxyl-containing fibre materials.... | 10/04/1994 |
| 5278293 | Azo dyestuffs and intermediate products for their preparation Azo dyestuffs of the formula ##STR1## having the substituent meanings given in the description, are outstandingly suitable for dyeing and printing materials containing hydroxyl groups and amide groups.... | 01/11/1994 |
| 5278292 | Fiber-reactive dyes which contain a ureidoalkylene group Water-soluble fiber-reactive dyes are described conforming to the below-indicated formula (1) which are capable of dyeing hydroxyl- and/or carboxamido-containing material, in particular fiber material, such as wool and in particular cellulose fiber materi... | 01/11/1994 |
| 5276148 | Phenylazobenzenes or naphthylazobenzenes having a plurality of fiber-reactive groups Reactive dyes of the formula ##STR1## where n is 0 or 1, R1, R2 and R3 are each hydrogen, C1 -C4 -alkyl or phenyl, A is unsubstituted or substituted C2 -C8 -alkylene, Y is vinyl ... | 01/04/1994 |
| 5262526 | Fluorescent compound, complex, reagent, and specific binding assay employing said reagent A fluorescent compound, which is readily capable of forming a stable complex with a rare-earth metal ion having fluorescence with satisfactory intensity even in an aqueous system and long fluorescence lifetime when formed a complex with the rare-earth met... | 11/16/1993 |
| 5183881 | o-Aminoazo compounds The new o-aminoazo compounds of the formula ##STR1## in which the substituents D, A, R and R1 and the index n have the meaning given in the description are valuable intermediates for the preparation of metal complex dyestuffs and are also ... | 02/02/1993 |
| 5106960 | Azo dyes and the production and use thereof The present invention relates to azo dyes of the formula ##STR1## wherein X is an aryloxy radical or an unsubstituted or substituted C1 -C12 alkyl radical, a cycloalkyl radical or an aryl radical or a group of the formula #... | 04/21/1992 |
| 5023325 | Fibre-reactive dyes containing a substituted aminocarbonyl-phenylamino or naphthylamino reactive moiety A reactive dye of the formula D--U--R)n in which D is the radical of an anthraquinone, phthalocyanine, formazane, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or ... | 06/11/1991 |
| 5023274 | Fibre-reactive formazan dyes containing ଲ-halogenethyl or vinylsulfonyl-alkanoylamino fiber-reactive groups The fibre-reactive formazan dyes of the formula ##STR1## where X is C1 -C4 alkyl, C1 -C4 alkoxy, halogen, cyano or nitro, Y is ଲ-haloethyl or vinyl, m is 1, 2 or 3, n is 3 or 4, p is 0, 1 or 2 and q i... | 06/11/1991 |
| 5023326 | Reactive dyes containing the 2-(cyano, carbonamido, sulfo-, hydroxy- or sulfato-C2 -C5 -alkyleneamino)-6-sulfo- or 3,6-disulfo-8-hydroxynaphthyl-(1) coupling component Reactive dyes of the formula ##STR1## in which Y is hydrogen or sulfo, U is --CN, --CONH2, --SO3 H, --OH or --OSO3 H, D is a phenyl or naphthyl radical, which can be substituted by C1 -C4 alkyl, ... | 06/11/1991 |
| 5021558 | Water-soluble fiber reactive dyes Water-soluble fiber-reactive azo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylemthane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide dyes whi... | 06/04/1991 |
| 5013826 | Azo dyes containing 5-cyclohexylcarbonyl-thiophene diazo components and 1,2,3,4-tetrahydroquinoline coupling components The azo dyes of the formula ##STR1## in which R1 is hydrogen or substituted or unsubstituted C1 -C10 alkyl, R2 is a group of the formula, --CN, --CON(R8)R9, --COR10, --COOR | 05/07/1991 |
| 5003052 | Reactive dyes containing a substituted aminocarbonyl reactive moiety A reactive dye of the formula ##STR1## in which R is a radical of the formula ##STR2## or Z is ଲ-sulfatoethyl, ଲ-thiosulfatoethyl, ଲ-phosphatoethyl, ଲ-acetoxyethyl, ଲ-halogenoethyl or vinyl; V is hydrogen or a ... | 03/26/1991 |
| 4994562 | Fiber-reactive formazan dyes containing ,ଲ-dihalopropionylamino, -haloacryloylamino or haloacetilamine The fibre-reactive formazan dyes of the formula ##STR1## where B is an aliphatic or sulfo-free aromatic bridge member, R is ,ଲ-dihalopropionyl, -haloacryloyl or haloacetyl, T1 is halogen, X is halogen, C1 -C | 02/19/1991 |
| 4994563 | Monoazo dyes containing a 3-sulfoalkanoylamino or 3-sulfoalkylsulfonylaminoaniline coupling component The azo dyes of the formula ##STR1## in which D is a diazo component, R1 and R2 independently of one another are each a C1 -C10 alkyl, C5 -C7 cycloalkyl, phenyl or naphthyl radical eac... | 02/19/1991 |
| 4990599 | 2,7-diphenylazo-1-amino-8-hydroxynaphthalene disazo dyes containing two fiber-reactive groups The invention relates to a process for dyeing or printing natural or synthetic polyamide fibre materials which comprises dyeing or printing these fibre materials with reactive dyes of the formula ##STR1## where each M is a cation, R1 and R... | 02/05/1991 |
| 4975530 | 4,6-diaminopyrimidine or the like intermediates for the preparation of fiber-reactive dyes Intermediates useful for the preparation of fiber-reactive dyes having the formula ##STR1## in which Q is phenyl unsubstituted or substituted by C1 -C4 alkyl, C1 -C4 alkoxy, halogen, nitro, cyano, C1 | 12/04/1990 |
| 4975539 | Water-soluble monoazo compounds having fiber-reactive groups of the vinylsulfone series and a sulfo-substituted benzoylamino naphthol coupling component, suitable as dyestuffs Water-soluble azo compounds which have fiber-reactive and dye properties and dye carboxamido- and/or hydroxyl-containing materials, such as fiber materials, in particular cellulose fiber materials, in strong, predominantly bluish red to orange hues which ... | 12/04/1990 |
| 4968782 | Fibre-reactive dyes containing a substituted sulfonylaminocarbonyl group Reactive dyes of the formula ##STR1## in which D is the radial of an anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetrac... | 11/06/1990 |
| 4968781 | Fiber-reactive dyes comprising a halopyrimidine for which a vinylsulfonyl or the like moiety is attached via a bridge member A reactive dye of the formula ##STR1## in which Fa is the radical of an organic dye of the monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanth... | 11/06/1990 |
| 4963659 | Fiber-reactive dyes containing chromophoric system bound to a bridging member consisting of two or three triazinyl radicals Reactive dyes which are particularly suitable for the dyeing or printing of cellulose-containing fiber materials by the exhaust process or by the continuous process and give, at a high color yield, dyeings and prints having good fastness properties, havin... | 10/16/1990 |
