|8293877||Reactive dyestuff with N-alkylamino group|
The present invention relates to a novel reactive dyestuff with a N-alkylamino group, represented by the following formula (I): wherein A1, A2, R1, R2, R
|7598357||Bis-reactive dye with n,n-dialkylamino bridge group|
The present invention relates to a novel bis-reactive dye with N,N-dialkylamino bridge group, represented by the following formula (I): wherein E1, E2, R, R1, R...
|7442780||Reactive dye compounds|
New, highly multifunctional reactive dye compounds are provided. The number of leaving groups in the non-chromophoric part of the molecule added to the number of chromophore moieties is at least equal to 5, preferably in the range of from 5 to 12, more preferably fr...
|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 is suitable for exhaust dyeing,...
|7270702||Yellow dye compound and the ink composition thereof|
The present invention discloses a yellow dye compound having a structure of the following formula (I): wherein M is H, Li, NH4 or Na. The dye compound of the present invention is particularly applied t...
|7132515||Fiber-reactive AZO dyes, preparation thereof and use thereof|
The invention relates to reactive dyes according to the given, defined general formula (I) wherein D1 and D2 , R and R*, in addition to M are defined as per claim 1. The invention also relates to a method for producing said dyes and to their us...
|7129336||Reactive azo dyes, their preparation and their use|
The present invention relates to reactive dyes of the general formula (1) where Y is a heterocyclic reactive group of the general formula (2) or (3)
|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, ...
|7091328||Fiber-reactive mono-azo dyes|
According to the invention there are provided fiber-reactive dyestuffs which are compounds of the formula (I) wherein the substituents are defined as in claim 1, a process making the same and th...
The invention relates to a dye mixture consisting essentially of one dye of formula (4) and a dye of formula (5). The black dye mixture is advantageously used for ink jet printing and provides high light-resisting and neutral black ink formulations
|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 total weight of the dyes (A), (B) and (C) in the ink, an...
|7038024||Fibre-reactive azo dyes, their preparation and their use|
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 fiber mate...
|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 R1, R2 and R3, independently, is H or an ...
|7026458||High light fastness reactive red dyes|
The present invention refers to dyestuffs of the formula (I) wherein R1 is H or (C1–C4)-alkyl; R2 is H or (C1–C4)-alkyl;
|6953845||Method of printing cellulosic fiber materials without an additional fixing process step|
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 hydr...
|6949631||Reactive azo dyes, method for the production and use thereof|
The present invention relates to reactive dyes of the general formula (1) where X1, X2, R, M, m and n are each as defined in claim 1, processes for their preparation and also their use for dyeing ...
|6946549||Fibre reactive scarlet azo dyes|
The present invention refers to dyestoffs of the formula I wherein Ar is a group of the formula II or of the formula III, D is a group of the formula IV, or of the formula V wherein the variables are defined as given in claim 1, processes for their preparatio...
|6916350||Dye mixture of water-soluble fiber-reactive azo dyes, method for the production and use thereof|
Dye mixtures including one or more azo dyes of the general formula (1) and one or more azo dyes of the general formula (2) are prepared and used for dyeing or printing hydroxyl- and/or carboxamido-containing material, ...
|6870035||Black dye mixtures of fiber-reactive azo dyes, methods for their preparation and use thereof for dyeing hydroxy-and/or carboxamido-containing fiber material|
Deep black-dyeing dye mixtures comprising a disazo dye conforming to the general formula (1), and one or more disazo dyes conforming to the general formula (2),
|6864361||Fibre reactive azo dyes|
The present invention refers to dyestuffs of the formula I wherein each of R1, R2, R3, R4 and R5, independently, is H or an optionally substituted alk...
|6864360||Reactive trisazo dyes|
The present invention refers to trisazo dyes of the formula I or an alkali metal salt thereof; wherein: Ar1 is an optionally substituted arylene group; Ar
|6809187||Metal complex dyes based on Bucherer naphthols|
Reactive copper, cobalt or chromium complex compounds of the general formula (1) where R1-R5, M, Me, W1, X, k, l and m are each as defined in claim 1, processes for their prepara...
|6762288||Reactive azo dyes|
The present invention relates to reactive azo dyes of the formula (I) or an alkali metal salt thereof, wherein A is formula (i) or (ii) C is an optionally substituted aromatic or heteroaromatic residue; and R1, R2, B, D, Y, a, b, c, d and n are...
|6713613||Reactive dye compounds|
A reactive dye compound comprising: (a) at least one chromophore moiety (b) at least one nitrogen-containing heterocycle (c) a linking group to link each chromophore moiety to each nitrogen-containing heterocycle; characterised in that at...
|6398822||Packaged hair coloring composition|
Packaged hair coloring composition comprising a stable aqueous hair coloring composition comprising a compound of formula (I): ##STR1## wherein the variables are each as defined in the claims. The packaged hair coloring compositions of the present inventi...
|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. ##STR1##...
|6395885||Use of lithium salts of anionic dyes to enhance their light-fastness|
The use of lithium as a cation for an anionic dye to enhance the light-fastness of the dye. Also claimed are the lithium salts of certain anionic dyes as defined in the description; mixed lithium/sodium salts of an anionic dye wherein the molar ratio of l...
Claimed are novel azo dyes of the formula (I) ##STR1## where the substituents are each as defined in the claims, their preparation, their use as dyes and as an ingredient of an ink-jet printing ink and also substrates dyed with such compounds....
|6359121||Reactive dyes containing a linkage|
A reactive disazo dye of the formula (I) D1 --Y--D2 wherein each of D1 and D2 is a chromophore of the formula (II) ##STR1## in which X is fluorine, chlorine or optionally substituted pyridinium, an SO3
|6319290||Fiber-reactive disazo dyestuffs|
Compounds of the general formula (I) ##STR1## wherein R1 represents hydrogen or a C1 -C4 -alkyl group, X represents the radical of aliphatic, cyclic or aromatic diamines and Y represents hydrogen or an alkali metal, and a ...
|6248871||Reactive dyes containing piperazine|
Reactive dyes containing piperazine have formula (I) ##STR1## wherein: each of D1 and D2, independently, is a chromophoric group; each of R1, R2, R3 and R4, independently, is H or an option...
|6222023||Bisazo compounds and process for dyeing or printing using them|
A bisazo compound represented by the following general formula (1): ##STR1## wherein the variables are as defined in the specification, or a salt thereof is superior in various performance for dyeing and printing a fiber material....
|6214977||Bisazo compounds and process for dyeing or printing using them|
A bisazo compound represented by the following general formula (1): ##STR1## wherein the variables are as defined in the specification and a method for dyeing or printing a fiber material using them are provided....
|6197941||Reactive dyes with a heterocyclic anchor|
Reactive dyes of the formula I ##STR1## where a is 1 or 2, b is 0 or 1, Y is vinyl or a radical of the formula C2 H4 Q, where Q is an alkali-detachable group, Het is the radical of a 5- or 6-membered aromatic hetero-cyclic ring having ...
|6191264||Reactive disazo dyes|
Reactive disazo dyes of the formula (1) ##STR1## wherein each R independently is RA or RB where RA is a group of the formula (2), RB is a group of the formula (3) in which R1, R2, R3
|6180765||Reactive diamine-linked azo dyes|
Reactive dyes containing two units each comprising a monoazo or disazo chromophore linked to a triazinylamino group, each of which units is linked by a diamine unit disposed between the triazine rings....
|6160101||Azo dyes, their preparation and their use|
Azo dyes comprising at least one structural unit of the formula (1) ##STR1## The azo dyes according to the invention are particularly suitable for dyeing cotton and wool and produce dyeings with good allround properties....
|6159250||Doubled reactive dyes|
Doubled reactive dyes of the general formula I ##STR1## where Chr is a chromophore residue with or without further fiber-reactive groups and derived from a metallized or unmetallized mono- or disazo dye, from a triphendioxazine, from an anthraquinone...
|6127531||Monoazo reactive dyes|
A dyestuff according to formula (I) ##STR1## or a salt thereof wherein the substituents have the definitions as defined in claim 1. The dyestuffs are useful for dyeing or printing nitrogen-containing or hydroxy-group-containing organic substrates and...
|6068667||Mixtures of symmetrical and unsymmetrical red reactive dyes|
The present invention relates to novel, three component, mixtures comprising red reactive dyes which in the free acid forms are represented by the formula (I), (II) and (II'), a) a red reactive dye of formula (I) ##STR1## where the variables are as d...