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Matches 351 - 400 out of 3,997

Document Document Title
WO/1997/008246A1
A composition comprising a first, second, third and fourth dye, each of which is of formula (1) or a salt thereof, wherein X is a labile atom or group; A and B are each independently an optionally substituted phenylene group; one of R1 a...  
WO/1997/005124A1
The invention concerns benzene derivatives of the formula (I) in which n is 0, 1, or 2, X is nitro or amino, Z is a direct bond or optionally substituted alkylene, Y is vinyl or a group of the formula C2H4-Q in which Q is hydroxy or a gr...  
WO1996033240A3  
WO/1996/035012A1
A process for defining a substrate is provided. The process comprises applying to the substrate a water soluble dye having at least two electrophilic groups and a nucleophilic agent having a molecular weight below 600 and at least one gr...  
WO/1996/033240A2
The present invention relates to dicyclic metal formazan derivatives used for dye. To overcome these problems, the present invention provides a novel dicyclic metal formazan derivatives represented by formula (1) which has excellent dyei...  
WO/1996/024637A1
Reactive azo dyes having the formula (I), in which A stands for the residue of a diazo component and X is a fibre-reactive heterocyclic residue, are prepared by saponifying maleinylated azo dyes having the formula (IV), then by reacting ...  
WO/1996/023841A1
Granular leuco vat-dye preparations containing, as essential components, leuco vat-dye, reducing agents and alkaline metal hydroxide, and the production of said preparations and their use in dyeing cellulose-containing textile materials.  
WO/1996/010610A1
Reactive dyes have the formula (I), in which n equals 1 or 2; R1 stands for hydrogen or hydroxylsulfonyl; R2 stands for hydrogen or hydroxy; R3 stands for substituted C1-C4-alkyl, C5-C7-cycloalkyl or substituted phenyl; R4 stands for hyd...  
WO/1996/002593A1
The invention relates to reactive-group-containing monoazo dyestuffs of formula (I), their salts or mixtures thereof, wherein R1 signifies hydrogen, methyl, methoxy or ethoxy, R2 signifies hydrogen, methyl, NHCONH2 or NHCOCH3', RG signif...  
WO/1995/032249A1
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 invention contain at least three dyes of differ...  
WO/1995/032246A1
A dye comprising molecules which contain a nucleophilic group and an electrophilic group characterised in that (i) the molecules are capable of joining together by formation of a covalent bond between the nucleophilic group of one molecu...  
WO/1995/030717A1
A water-soluble dye comprising molecules which contain a nucleophilic group and an electrophilic group characterised in that (i) the molecules are capable of joining together by formation of a covalent bond between the nucleophilic group...  
WO/1995/023890A1
A process for colouring a synthetic textile material or fibre blend thereof which comprises applying to the synthetic textile material a dye, which is free from water solubilising groups, carrying at least one -SO2F group provided that t...  
WO/1995/022649A1
A process for colouring a synthetic textile material or fibre blend thereof which comprises applying to the synthetic textile material a compound of formula (1): A-N=N-D-N=N-E wherein A, D and E each independently is an optionally substi...  
WO/1995/021892A1
A compound of formula (1) and salts thereof, wherein A is optionally substituted phenyl; E is optionally substituted phenylene; R1 is H or optionally substituted alkyl; R2 is H or optionally substituted alkyl and R3 is H, optionally subs...  
WO/1995/021893A1
A water-soluble dye which comprises an azo chromophore, a cellulose-reactive group connected to the chromophore, and a group of formula -CH(W) -OH attached to an aryl carbon atom in the dye, wherein W is H or an optionally substituted al...  
WO/1995/021958A1
A process for colouring a synthetic textile material or fibre blend thereof which comprises applying to the synthetic textile material a compound of formula (1) wherein Ring A and Ring D are optionally substituted and at least one of Rin...  
WO/1995/020014A1
A process for colouring a synthetic textile material or fibre blend thereof which comprises applying to the synthetic textile material a compound or mixture thereof, which is free from water solubilising groups, of the Formula (1) A-N=N-...  
WO/1994/029283A1
Fiber reactive dyes of the anthraquinone type which provide brilliant violet colors without metal complexing. These dyes may be represented by formula (I), wherein W is selected from NR2 and oxygen; R is independently selected from hydro...  
WO/1994/029282A1
The invention is that of a water soluble fiber reactive anthraquinone blue dyes. These dyes may be used to dye and print textiles and other substrates containing hydroxy and/or amino groups in brilliant blue colors. The dyes of the inven...  
WO/1994/024214A1
Dyes contain a group having general formula (2), in which X stands for chlorine or fluorine, R stands for hydrogen, alkyl with 1 to 4 C atoms or alkoxy with 1 to 4 C atoms and M stands for hydrogen or an alkaline metal or the molar equiv...  
WO/1994/022961A1
A compound of formula (1) and salts thereof, wherein R1 and R2 are each independently optionally substituted alkyl; R3 is H or optionally substituted alkyl; X is a labile atom or group; Y is a labile atom or group or a group of formula (...  
WO/1994/021646A1
The invention is that of a new triphenodioxazine dye of formula (1) wherein: Y = (a), Q = (b) or halogen. K is independently selected from SO3H and COOH; W = a substituted or unsubstituted arylene, alkylene or arylene-alkylene group; Y1 ...  
WO/1994/018275A1
A process for preparing monoazo dyes by coupling an aromatic diazonium salt with an amino-4-hydroxy-naphthalene sulfonic acid derivative at a temperature of 40� - 85 �C. The process of the invention provides an isomerically purer dye.  
WO/1994/016021A1
A compound of the formula (1): Ar1N = N-J-X-L-X-J-N = NAr2 and salts thereof, wherein: J is (2), Ar1 and Ar2 are each independently aryl containing at least two carboxy groups; and L is a group of formula (3a) or (3b), in which T1 and R2...  
WO/1994/012717A1
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 gr...  
WO/1993/018224A1
A process for the dyeing of cellulose-containing fibre materials with reactive dyes, which comprises carrying out dyeing in the presence of the salt of a mineral acid in an amount of 0 to 20 g per litre of dyebath and using at least one ...  
WO/1993/012181A1
A method for the exhaust dyeing of materials having hydroxy groups and materials containing carbonamide groups using a low salt content dye bath in conjunction with fiber reactive dyes exemplified by a dye of formula (I).  
WO/1992/014791A1
Benzophenonazo dyes have formula (I), in which the A ring may be benzenically annelated and a benzenically annulated A ring may be bridged; m is 1 or 2; K stands for the residue of a coupling component; Y stands for hydrogen or arylazo; ...  
WO/1992/001755A1
The monoazo compounds disclosed have fibre-reactive groups and useful dyeing characteristics. They are capable of dyeing materials containing hydroxy and/or carbonamide groups, in particular fibrous materials such as cellulose fibres, an...  
WO/1992/001021A1
Disclosed are diazo compounds containing fibre-reactive groups and having useful dyeing characteristics, being able to dye materials containing hydroxy and/or carbamide groups, in particular fibrous materials such as cellulose and natura...  
WO/1991/017216A1
Monoazo compounds having fibre-reactive groups and possessing valuable dye properties make it possible to dye hydroxy and/or carbon amide group-containing materials, especially fibre materials, like cellulose fibres and natural and synth...  
WO/1991/010709A1
Water-soluble dyes of general formula (1) which react with fibres are capable of dyeing materials containing hydroxy or carbonamide groups, in particular fibrous materials such as wool and in particular cellulose fibre material, in brigh...  
WO/1991/009914A1
The description relates to azo compounds according to general formula (I) given and defined herein and their production. They have fibre-reactive properties and are used to produce strongly coloured and fast colorants on hydroxy and/or c...  
WO/1991/009913A1
Azo compounds containing, as the diazo constituent, 1-sulpho-6-carboxy-2-aminonaphthalene and, as the coupling constituent, substances which contain a residue of the pyrimidine or triazine series which reacts with fibres. The azo compoun...  
WO/1991/008265A1
The description relates to azo compounds corresponding to formula (1) below, having fibre-reactive properties and making valuable dyes. They can dye hydroxy and/or carbonamide group-containing synthetic and natural materials, especially ...  
WO/1990/015107A1
Fibre-reactive dyes are described which make it possible to give carbon amide-containing material, like wool, and especially hydroxy group-containing material, like cellulose fibres, a deep hue. The dyes correspond to the general formula...  
WO/1990/013604A1
Water-soluble dyes of general formula (1) are capable of reacting with fibres and dye synthetic and natural materials containing hydroxy and/or carboxamide groups, in particular fibrous materials, such as wool and in particular cellulose...  
WO/1990/013603A1
Water-soluble azo dyes and their heavy metal complex derivatives, such as copper, cobalt and chromium complex azo dyes, of general formula (1), are capable of reacting with fibres and can be used in conventional dyeing and printing proce...  
WO/1988/005065A1
Water-soluble formazan dyes represented in the form of free acid by general formula (I), wherein R represents an optionally substituted lower alkyl group, X represents an optionally substituted phenylene or naphthylene group, Y represent...  
WO/1987/001123A1
Reactive dyestuffs of formula (1), in which D, B1, B2, X, U, R, n and A have the signification cited in claim 1, are particularly suitable for dyeing or for printing on to cellulose-containing fibre materials by the cold pad-batch dyeing...  
WO/1986/004080A1
New water-soluble, fibre-reactive compounds correspond to formula (I) in which the symbols are as defined in Claim 1, provided that a compound of formula (I) contains at least one of the following groups: (a) hydroxy groups, (b) ether gr...  
WO/1986/001815A1
Monoazo compounds which, in one of the possible tautomeric forms, correspond to formula (I), in free acid or salt form, in which K is one of the groups (II) or (III) and the symbols are as defined in the Specification, are suitable as dy...  
WO/1986/000632A1
A monoazo or disazo compound in metal-free form or in 1:1 or 1:2 metal complex form which in the metal-free form corresponds to formula (I): CH2=CH-SO2-W1-D - N = N - K-(W2-Z)n in which D is the radical of a diazo component, K is the rad...  
WO/1985/005595A1
A film for laser transfer recording having high resolving power. The recording film is provided on a clear substrate (1) with a recording layer (2) which contains a binder that is highly resistant to oxidation, fine particles which impar...  
WO/1984/003312A1
An aqueous, liquid fiber-reactive dye composition which is stable to decomposition. The composition consists essentially of 5 to 45 % by weight of a water-soluble, fiber-reactive dyestuff having from 1 to 3 beta-sulfatoethylsulfonyl (-SO...  
WO/1983/000495A1
Novel reactive disazo dyes represented, in a free acid form, by the following formula:$(8,)$wherein R1 represents a hydrogen atom or a carboxylic acid group, and one of R2 and R3 represents a hydrogen atom and the other represents a sulf...  
WO/1981/001009A1
The colorants disclosed correspond to the formula (FORMULA) wherein D represents the residue of an organic colorant, which contains at least an aqua-solubilizing group, R represents an halogeno-alkyl residue having one or two atoms of ca...  
WO/1981/000111A1
Mono-azo reactants for fibers, having the formula: (FORMULA) wherein the different meanings of the symbols R1 to R6, Hal, m and n are given in claim 1, with the conditions that: a) n can not be zero and must be zero when R2 is -NHCOOR10;...  
WO/1979/000541A1
Affinity chromatography media are prepared by reacting mono or di-chloro triazine or related dyes with a solid support matrix containing free hydroxy or amine groups in the presence of an alkali metal hydroxide. In the absence of cyanoge...  

Matches 351 - 400 out of 3,997