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WO/1999/064520A1 |
The invention relates to azo dyes having general formula (I), wherein one of radicals X?1¿ and X?2¿ represents hydroxy and the other represents amino or C¿1?-C¿4?-alkylamino optionally substituted by hydroxy, cyano, carboxyl, hydroxy...
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WO/1999/064526A1 |
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 th...
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WO/1999/063005A1 |
A dyestuff according to formula (I) 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...
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WO/1999/058612A1 |
The invention relates to a monoazo compound corresponding to the general formula (1), in which X is a fibre-reactive group or a grouping containing a fibre-reactive group; D is phenylene which can be substituted by 1 or 2 substituents fr...
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WO/1999/055787A1 |
This invention relates to solid complexes of anionic dyes with quaternary ammonium compounds which have average molecular weights of below about 900 which are substantially free from unwanted salts. Of particular interest as quaternary a...
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WO/1999/055788A1 |
The invention relates to liquid complexes of anionic organic dyes whith quaternary ammonium compounds which are homogeneous and thus substantially free of unwanted inorganic salts. Of particular interest as quaternay ammonium compounds a...
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WO/1999/054334A1 |
New dioxazine compounds and mixtures thereof containing sulphonic acid groups according to formula (I), in which the substituents have the meanings given in Claim 1, processes for their production and the use of such compounds for dyeing...
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WO/1999/051689A1 |
This invention relates to reactive dye compounds, and more especially to reactive dye compounds comprising a chromophore and a nitrogen-containing heterocycle comprising at least one thio-substituent. The reactive dye compounds of the pr...
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WO/1999/051684A1 |
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...
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WO/1999/051682A1 |
Reactive Dye compound having formula (I) wherein: D is a chromophore group; L is a linking moiety; Q is a quaternized nitrogen derivative; X and Y are independently selected from chlorine, bromine, fluorine or hydrogen; A is selected fro...
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WO/1999/051681A1 |
Triphendioxazine dyestuffs of formula (I), wherein A is hydrogen or a discretionary substituent and R is a discretionary radical, a novel process for their preparation and their use for the dyeing of organic substrates.
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WO/1999/051686A1 |
Reactive dye having a Fixation Value (F) on cellulosic substrates of 95 % or greater as measured by the Fixation Value Technical Test Method (at 2:1 standard depth). In addition, the compounds herein have high Exhaustion Values (E), high...
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WO/1999/051688A1 |
Reactive dye compounds having formula (I), wherein D is a chromophore; X and Y are independently selected from SR', Cl, Br, or F, wherein R' is selected from: H, C¿l?-C¿4? alkyl, (CH¿2?)¿n?COOH, (CH¿2?)¿n?CONH¿2?, (CH¿2?)¿n?SO¿...
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WO/1999/051683A1 |
Reactive dye having a Fixation Value (F) on cellulosic substrates of 95 % or greater as measured by the Fixation Value Technical Test Method (at 2:1 standard depth). In addition, the compounds herein have high Exhaustion Values (E), high...
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WO/1999/051687A1 |
Reactive Dye compound having formula (I), wherein D is a chromophore group; L is a linking moiety; Q is a quaternized nitrogen derivative; X and Y are independently selected from chlorine, bromine fluorine or hydrogen; A is selected from...
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WO/1999/051685A1 |
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...
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WO/1999/048981A1 |
Novel anthrapyridone compounds or salts thereof which have a magenta hue suitable for ink-jet recording and brightness and give recorded images having high fastness to light and water. The compounds are represented by the formula A-B [wh...
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WO/1999/048983A1 |
The present invention relates to a bifunctional red reactive dye and more particularly, to the bifunctional red reactive dye with monochlorotriazine and acetoxyethylsulfone as reactive groups expressed by formula (I), wherein, M is alkal...
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WO/1999/048986A1 |
This invention relates to a reactive black dye containing acetoxyethyl sulfone moiety and more particularly, to the reactive black dye containing acetoxyethyl sulfone moiety of formula (1), which is characterized by lessening the loss of...
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WO/1999/048987A1 |
The present invention relates to a reactive black dye composition for cellulose fiber and more particularly, to the reactive black dye composition with excellent several fastnesses, dyeing levelness, reproducibility and dyeing yield, com...
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WO/1999/048985A1 |
The present invention relates to a reactive orange dye containing vinyl sulfone and more particularly, to the dye which have 6(7)- alkoxycarbonylamino-4-hydroxy-2-naphthalenesulfonic acid as a chromophore and aminophenyl-$g(b)-ethylsulfo...
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WO/1999/048984A1 |
The present invention relates to a bifunctional blue reactive dye and more particularly, to the bifunctional blue reactive dye with monochlorotriazine and acetoxyethylsulfone as reactive groups expressed by formula (1), wherein, M is alk...
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WO/1999/047608A1 |
The invention relates to reactive dyes of general formula (I), wherein n represents 0 or 1, m represents 0 or 1, Y represents vinyl or a radical of formula C¿2?H¿4?Q wherein Q is a group which can be split off in alkaline reaction cond...
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WO/1999/033925A1 |
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...
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WO/1999/027019A2 |
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.
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WO/1999/025772A1 |
A dye has formula (I) wherein: each R, independently, is R?A¿ or R?B¿, where R?A¿ is a group of formula (2) in which each of R?1¿, R?2¿, R?3¿ and R?4¿, independently, is a hydrogen atom or a C¿1-4? alkyl group; where R?B¿ is a g...
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WO/1999/023171A1 |
The invention relates to novel colorants of formula (I), wherein the sustituents and indices which have the meanings given in the description are free of adsorbable organically bound halogen and heavy metals and yield high non-fading col...
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WO/1999/023169A1 |
The invention relates to double reactive dyes of general formula (I), wherein Chr represents the radical of a chromophore, which optionally has additional fiber-reactive groups and which is derived from an optionally metallized monoazo o...
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WO/1999/021922A1 |
Compounds of Formula (1) and salts thereof wherein B?1¿, B?2¿, Q, R?1¿, R?2¿, A, Z?1¿ and Z?2¿ are defined in the description. Also claimed are compositions containing two or more compounds of Formula (1), inks containing the compo...
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WO/1999/016833A1 |
Compounds of formula (I) wherein D is the rest of a diazo component selected from the group having formulae (a), (b), (c) wherein A is OH or NH¿2?; R¿1? is independently H, C¿1-4?alkyl; R¿2? is hydrogen, C¿1-4?alkyl, C¿1-4?alkoxy, ...
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WO/1999/012937A2 |
The invention relates to novel triphenodioxazines of formula (I), wherein the substituents and subscripts are as indicated in the description. These novel triphenodioxazines are used for dying and imprinting cellulosic materials, natural...
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WO/1999/011717A1 |
New water-soluble azo compounds produced from 2-hydroxynaphthalene-3,6-dicarboxylic acid or derivatives thereof and a diazonium salt having a sulfo group. These compounds are useful as starting material for dyes excellent in dyeing prope...
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WO/1999/005222A2 |
The invention relates to the use of reactive dyes for dyeing hair. Said reactive dyes are of formula (I), wherein a represents 1 or 2, b represents 0 or 1, Y represents vinyl or a radical of formula C¿2?H¿4?Q, Q being a group which can...
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WO/1999/005224A1 |
Reactive dyes containing piperazine have formula (I) wherein: each of D?1¿ and D?2¿, independently, is a chromophoric group; each of R?1¿, R?2¿, R?3¿ and R?4¿, independently, is H or an optionally substituted alkyl group; each of X...
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WO/1999/005223A1 |
A dye having two reactive dye chromophores linked together by a bridging group carrying an azo moiety has formula (I) wherein: Ar¿1? is an optionally substituted arylene group; each of D?1¿ and D?2¿, independently, is a chromophoric g...
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WO/1999/001510A1 |
Compounds of Formula (1) wherein: A is N, C-CI, C-CN or C-NO¿2?; L?1¿ is -OR?3¿; Z is -O-, -S- or -NR?2¿-; R?1¿ and R?2¿ are each independently H or optionally substituted alkyl; R?3¿ is H or alkyl; each W independently is -CO¿2?...
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WO/1998/053009A1 |
The invention is concerned with compounds according to formula (I) and their salts, wherein X represents hydrogen or chloro, R�1? and R�3? represent hydrogen or methyl, R�2? and R�4? represent hydrogen, methyl or methoxy, and Rï¿...
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WO/1998/042785A1 |
A fiber-reactive dye corresponding to formula (1), in which Fb is the radical of an azo dye, of a heavy metal complex azo dye, of a formazan dye, of a triphenodioxazine dye or of a phthalocyanine dye; R?x� is hydrogen, alkyl of 1 to 4 ...
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WO/1998/042784A1 |
This invention is drawn to a reactive azo dye containing a permanent quaternary ammonium group as a substituent of the dye.
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WO/1998/041580A1 |
A novel condensed azo compound obtained by using 2-hydroxynaphthalene-3,6-dicarboxylic acid, amide, or bisamide of its ester as a coupler. It is excellent in water, chemical, solvent and heat resistances, etc.
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WO/1998/038252A1 |
Compounds capable of meeting ardent needs for blue compounds which can attain a good reproducibility in dyeing (e.g. printing) cellulosic fibers with reactive dyes to give blued fibers excellent in light and chlorine water fastness and r...
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WO/1998/025981A1 |
The invention concerns amphiphilic graft polymers in which the graft base is a polymer containing at least 5 wt % of units of formula (I) and optionally units of formula (II), R?1�, R?2� being H or C�1?-C�6? alkyl, wherein (a) st...
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WO/1998/023689A1 |
This invention relates to new blue anthraquinone colorants having Formula (I) wherein R and R�1? are the same or different and are selected from hydrogen and unsubstituted or substituted C1-C6 alkyl, C3-C7 cycloalkyl 2-furyl, 2-thienyl...
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WO/1998/020077A1 |
A fiber-reactive dyestuff having formula (I) or a salt thereof wherein the significances of the substituents are herein defined. The fiber-reactive dyestuff has good fixation properties and produces dyeings and prints with good light and...
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WO/1998/014522A1 |
The invention concerns reactive dyes of formula (I) in which: a designates 1 or 2; b designates 0 or 1; Y stands for vinyl or a radical of formula C�2?H�4?Q, in which Q stands for a group which can be separated in alkaline reaction c...
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WO/1997/043345A1 |
The invention relates to reactive dyes of the general formula (I), in which Y is vinyl or a radical of the formula C2H4Q, Q being a group which can be split in alkaline reaction conditions, Z is hydrogen, C1-C4 alkanoyl or a heterocyclic...
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WO/1997/041177A1 |
This invention concerns a process for the production of the stable modification of formazan colorants, characterized by the fact that the modification which initially arises from the synthesis of metal complex colorants is converted into...
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WO/1997/040108A1 |
An ink composition comprising a water-soluble reactive dye comprising at least three chromophoric groups linked to a polyamine; and a medium comprising at least one of a low melting point solid, an organic solvent and a mixture of water ...
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WO/1997/036961A1 |
A dye having at least two groups each of which independently is of formula (1) and salts thereof, wherein: A is a halo triazinylamino reactive group; L1 is an arylene group; R1 and R2 are each independently H or alkyl; Q is a group of th...
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WO/1997/035925A1 |
Compounds of Formula (I) wherein the substituents are as defined in the description, a process of manufacture thereof and a process of dyeing employing said compounds.
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