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7604669 Mixtures of reactive dyes and their use in a method for trichromatic dyeing or printing  
Dye mixtures, comprising at least one dye of formula and at least one dye from the group of formulae wherein B 1 , B 2 and B 3 are each independently of the others an organic bridging...
7439340 Reactive dyes containing an alkylthio-s-triazinyl reactive group  
A reactive dyestuff containing an alkylthio-s-triazinyl reactive group of the following formula (I) is disclosed, wherein A, X, Y, Z, R, Q, and a are defined the same as the specification. It...
7326777 Fiber reactive dyestuffs  
A fiber reactive dyestuff of the following formula (I) wherein the definition of D, R, R 1 , R 2 , X and Z have the same meaning as given in the specification. The fiber reactive dyestuff of...
7087730 Fiber-reactive azo dyes, their preparation and their use  
Reactive dyes of formula (I), wherein A is the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan or dioxazine chromophore, Q 1 , and Q 2 are each...
7057024 Black-dyeing inks and their use  
Black-dyeing aqueous inks comprising 20 to 95% by weight of at least one dye (A), together with 5 to 80% by weight of at least one dye chosen from the group consisting of (B) and (C), based on the...
7038023 Fibre reactive azo dyes  
The present invention refers to dyestuffs of the formula I wherein R is an optionally substituted alkyl group; each of R 1 , R 2 and R 3 , independently, is H or an optionally substituted...
7015314 Formazan reactive dyes  
This invention relates to novel fibre-reactive formazan dyes of the formula (I): where the symbols are each as defined in claim 1, their preparation, their use for dyeing and printing...
6444794 Water-soluble fiber-reactive dyes preparation thereof and use thereof  
Disclosed are water-soluble dyes, such as azo dyes, metal complex dyes, anthraquinone, phthalocyanine and formazan dyes which, optionally via a bridge member, possess a fiber-reactive group of the...
6407220 Reactive formazan dyestuffs  
The present invention provides reactive formazan dyestuffs of the general formula (I), Wherein A, B, D, Me, Q, R, and Z are defined in this document. The dyes according to the invention are...
6399751 Reactive dyes containing a halobenzene nucleus  
This application relates to reactive dyes having at least one halobenzene nucleus linked to a chromophoric group via an amino linkage and additionally containing a second reactive group.
6353094 Dyes, a process for their preparation and their use  
Dyes of the formula in which Me, R 1 , X 1 , A, u and q are as defined in the specification are particularly suitable for dyeing cotton and produce dyeings with good all-round properties.
6329514 Fiber reactive dyestuffs  
A fiber reactive dyestuff of the following formula (I) ##STR1## wherein the definition of D, and Z the same meaning as given in the description. The fiber reactive dyestuff of the present invention...
6307034 Reactive dyes containing a formazan dye radical and monoazo dye radical, a process for their preparation and their use  
Reactive dyes of formula (1) ##STR1## wherein R 1 , R 2 , R 3 and R 4 are each independently of the others hydrogen or unsubstituted or substituted C 1 -C 4 alkyl, X 1 and X 2 are...
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 C 1 -C 24 alkoxy...
6197941 Reactive dyes with a heterocyclic anchor  
6086640 Formazan compounds and method of dyeing therewith  
6060591 Water-soluble fiber-reactive dyes, processes for their preparation, and their use  
The disclosed dyes (which are fiber-reactive and are useful for dyeing materials containing OH and/or carboxamide groups) are compounds of the formula (1) Fb--Z n ...
6025478 Reactive dyestuffs containing monohalogenotriazine and vinylsulfone groups, their preparation and use  
Reactive dyestuff of the formula ##STR1## wherein D is a radical of a monaozo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene,...
5936073 Reactive formazan dyestuffs  
The present invention provides the reactive formazan dyestuffs of the following formula (I), ##STR1## wherein m, Y, R, X 1 , X 2 , and M are defined in this document. These kinds of dyestuffs have...
5936072 Reactive dyes, their preparation and use  
A description is given of reactive dyes of formula ##STR1## wherein R 1 and R 2 are each independently of the other hydrogen, sulfo, C 1 -C 4 alkyl, C 1 -C 4 alkoxy or halogen, X is fluoro...
5931975 Dyes, processes for their preparation and their use  
Dyes of the formula ##STR1## in which A 1 and A 2 independently of one another are the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine,...
5929217 Reactive dyes with a benzo-fused heterocycle as anchor  
Reactive dyes of the formula I ##STR1## where a is 1 or 2, b is 0 or 1, Z 1 is hydrogen, C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy, halogen, nitro, amino, hydroxysulfonyl, C 1 -C 6 ...
5858026 Dicyclic metal complex formazan derivatives, process for producing the same, composition containing the same and dyeing process employing the same  
The invention relates to dicyclic metal complex formazan dye derivatives and processes for producing compositions and for using them in dyeing processes.
5837827 Fibre-reactive dyes, their preparation and their use  
Compounds of the formula ##STR1## in which the variables have the meaning given in the claims, which are suitable as fibre-reactive dyes for dyeing or printing widely varying fibre materials are...
5834601 Water-soluble fiber-reactive dyes, process for their preparation, and their use  
Dyes of the formula (1) indicated and defined below, containing at least one sulfo group, which can be used for dyeing hydroxy and/or carboxamido-containing material, especially fiber material, for...
5760194 Monoazotriaziayl group-containing fiber reactive dyes, processes for their preparation and their use  
Reactive dyes of the formula ##STR1## in which D is a radical of the formula ##STR2## are particularly suitable for dyeing or printing natural or synthetic polyamide fibre materials.
5717078 Reactive dyes, containing two triazinyl radicals which are bridged via an aliphatic or aromatic bridge member  
Reactive dyes of the formula ##STR1## in which R 1 , R 2 , R 3 and R 4 independently of one another are hydrogen or substituted or unsubstituted C 1 -C 4 alkyl, X 1 and X 2 are halogen, ...
5717077 Fiber reactive phthalocyanine monoazo compounds having improved dyeing properties  
A phthalocyanine monoazo compound which is represented by the following formula (I): ##STR1## wherein Pc represents a phthalocyanine group; M represents nickel, cobalt or copper; R 1 represents a...
5684138 Asymmetrical reactive dyes containing two triazinyl radicals which are bridged via an aliphatic bridge member  
Reactive dyes of the formula ##STR1## in which R 1 , R 2 , R 3 and R 4 independently of one another are hydrogen or substituted or unsubstituted C 1 -C 4 alkyl, B is an aliphatic bridge...
5677434 Iron-complexed formazan dyes for polyamide and protein substrates  
A family of 1:2 Fe-complexed formazan dyes is described. The dyes unexpectedly afford reddish-violet, violet, blue and black shades on natural and synthetic substrates. Methods for synthesizing the...
5599911 Fiber-reactive dyes having a central 1,3,5-triazine ring to which are bonded to a monoazo chromophore having another 1,3,5-triazine moiety and a second chromophore  
Reactive dyes of the formula ##STR1## in which the variables have the meanings stated in the claims, are described. The dyes according to the invention are particularly suitable for dyeing...
5591834 Reactive dyestuffs having reactive fluorine-containing pyrimidyl radicals  
Reactive dyestuffs of the formula ##STR1## in which Z is a cyano-free pyrimidine reactive group and the remaining groups have the meaning given in the description, are highly suitable for the...
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...
5563248 Fiber reactive formazan dyes containing a vinyl sulfonyl reactive group  
The invention is a dye composition containing two or more dyes of the vinyl sulfone type which can be used in combination to dye polyamide substrates. Preferably the dye compositions of the...
5552532 Reactive dyes, processes for their preparation and their use  
Reactive dyes of the formula ##STR1## in which R 1 , R 2 , R 3 and R 4 independently of one another are hydrogen or substituted or unsubstituted C 1 -C 4 alkyl, B is an aliphatic bridge...
5548071 Fiber-reactive triazine dyes with one AZO chromophore having a vinylsulfonyl type reactive radical and a second chromophore  
The invention relates to compounds of the formula ##STR1## where the variables are each as defined in the claims. The compounds are suitable for use as dyes, in particular for dyeing and printing...
5536876 Formylamino-aminophenol compounds and their use in preparation of fiber-reactive formazan dyes  
Fiber-reactive formazan dyes are prepared by diazotizing a protectively formylated hydroxyphenylenediamine, coupling with a hydrazone compound, metallizing, eliminating the protective group, and...
5491221 Fibre-reactive copper-complex formazan compounds which contain a difluoropyrimidinyl group  
Fibre-reactive formazan compounds, salts thereof or free acid forms thereof according to formula (I) ##STR1## in which R 1 is hydrogen or --COOH, each of R 2 and R 4 is independently hydrogen,...
5488100 Formazan-based reactive dyes with at least two reactive groups, and aminophenols  
There are described formazan dyes of the formula ##STR1## where m and n are each 1 or 2, Kat ♁ is the equivalent of a cation, Me is copper or nickel, X is oxygen or a radical of the...
5484899 Fiber-reactive triazinyl dyes having a monoazo moiety with a 2,4-diaminobenzene sulfonic acid coupling component and a second chromophore  
The invention relates to compounds of the formula ##STR1## in which the variables are as defined in the claims. The compounds are suitable as dyes, in particular for dyeing and printing cellulosic...
5463031 Reactive dyestuffs  
Reactive dyestuffs of the formula ##STR1## in which the substituents have the meanings given in the description are highly suitable for the dyeing and printing of cellulose materials and...
5451665 Fibre-reactive dyes containing two halotriazine groups and dye mixtures and their use  
The invention relates to dye mixtures which contain dyes of the formulae ##STR1## and to dyes of the formula ##STR2## in which A 1 , A 2 , A 3 , B, B 1 , R 1 , R 2 , R 3 , R 4 , R 5 , Z 1 , Z, 2 ,...
5451666 Reactive dyes having a triazine group which is substituted by hydrogen or an alkyl group  
A water-soluble dye having a reactive group of the Formula (1): ##STR1## wherein: R 1 is H or optionally substituted alkyl; R 2 is H or C 1 -4 -alkyl; L is a divalent organic spacer group;...
5420255 Process for the continuous reaction of halogenopyrimidines with amines  
A process for the continuous reaction of halogenopyrimidines with amines, a halogenopyrimidine and an aqueous amine solution or suspension being passed into a reactor and the reaction product being...
5420257 Reactive triazine dyes, their preparation and use  
A reactive dye comprising a 1,3,5-s-triazine group having a chromophoric group at two of the 2-, 4- and 6-positions and a substituent at the remaining 2-, 4- or 6-position selected from H,...
5420256 2-amino-4-phenylamino-1,3,5-triazinyl reactive dyestuffs, process for their preparation and their use dye cellulose or polyamides  
Reactive dyestuffs have the following formula ##STR1## in which D is the radical of an organic dyestuff B is a direct bond or a bridging member on a ring C atom of an aromatic-carbocyclic or on a...
5410041 Bisreactive dyes having a disulfophenylene bridging member  
The invention relates to fibre-reactive dyes of formula ##STR1## wherein the variables are as defined in the claims. These dyes are especially suitable for dyeing cellulosic fibre materials and...
5405947 Triazine ring-containing reactive dyestuffs, their preparation and use  
Reactive dyestuffs which, in the form of the free acid, have the following formula ##STR1## in which X denotes fluorine, chlorine or bromine and SO 2 -Z denotes a specific reactive radical, the...
5399674 Dyestuffs containing pyrimidine-carboxylic acid amide radical having fiber-reactive group, processes for their preparation and their use  
Fiber-reactive dyestuffs, processes for their preparation and their use Dyestuffs of the formula (1) are described ##STR1## The dyestuffs have fiber-reactive properties and dye materials containing...
5391719 Preparation of aminoformazans  
A process for preparing metal aminoformazans by alkaline hydrolysis of the corresponding acylated amino derivates in aqueous medium, is described, the hydrolysis being carried out at from 120° to...
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