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JPS5741508B1 |
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JPS57139057A |
Compounds which contain ammonium groups and sulphonic acid groups and which, in the betaine form, correspond to the formula wherein X denotes -CO- or -SO2-, R1 denotes hydrogen or alkyl, R2, R3 and R4, independently of one another denote...
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JPS57139145A |
Concentrated, stable solutions, with a low salt content, of cationic azo dyestuffs of the formula (I) wherein A denotes the radical of an aromatic-carbocyclic or aromatic heterocyclic diazo component, R denotes alkylene, R1 denotes hydro...
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JPS57133159A |
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JPS57133214A |
The spinning solution has added to it a monocationic dyestuff salt of the formula where D is the group of atoms required to close the 5-membered heterocycle containing two nitrogen atoms or a 6-membered heterocycle which may contain fuse...
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JPS5761056A |
Disazo, trisazo and tetrakisazo compounds of the formula +TR in which each D1 independently is a disazo component of the aniline series or the naphthylamine series; each K1 independently is a coupling and disazo component of the aniline ...
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JPS5753563A |
Concentrated stable solutions of cationic azo dyestuffs of the formula (I) wherein A denotes the radical of an aromatic-carbocyclic or aromatic-heterocyclic diazo component, R denotes alkylene, R1 denotes hydrogen or alkyl, R2 denotes al...
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JPS5751750A |
There are described novel crystalline bromine and iodine salts of triazole dyes of the formula (I) wherein R is the CH3 or C2H5 group, R1 is a C1-C4-alkyl group, R2 is an unsubstituted or substituted C1-C4-alkyl group, and X is the bromi...
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JPS5747985A |
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JPS5747984A |
Fiber material composed of acid-modified homopolymers or copolymers of acrylonitrile (PAC fibers) which has been obtained by a wet spinning process, has not been dried and is still in a swollen condition (gel form), can be dyed advantage...
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JPS5713590B2 |
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JPS572831B2 |
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JPS573858A |
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JPS56155246A |
Cationic dyestuffs of the general formula (I) wherein R1 represents hydrogen, C1-C4-alkyl, C1- to C4- alkoxy, nitro or halogen, R2 represents hydrogen, C1- to C4-alkyl, C1- to C4-alkoxy, halogen or phenylazo, R3 represents C1- to C3-alky...
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JPS56155247A |
Cationic dyestuffs of the general formula I wherein R1 represents hydrogen, C1-C4-alkyl, C1- to C4-alkoxy, nitro or halogen, R2 represents hydrogen, C1- to C4-alkyl, C1- to C4-alkoxy, halogen or phenylazo, R3 represents C1- to C3-alkyl a...
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JPS56141356A |
1. Process for the preparation of dyestuffs of the general formula see diagramm : EP0036116,P9,F2 wherein R denotes hydrogen, alkyl, aralkyl, cycloalkyl or aryl and K denotes the radical of a coupling component HK, by simultaneous reacti...
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JPS56141357A |
In the preparation of a quaternized dyestuff of the formula in which R1 and R2 each is an optionally substituted alkyl, alkenyl or aralkyl radical, R3 is hydrogen, or an optionally substituted alkyl, aralkyl, cycloalkyl or aryl radical, ...
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JPS5645947B1 |
1362067 Hydrazone dyes BAYER AG 3 May 1972 [4 May 1971] 20569/72 Heading C4P The invention comprises hydrazone dyes of the general formula wherein R 1 is alkyl, aralkyl, aryl, cycloalkyl or a radical -CH(R 4 )CH(R 5 ) -OH, R 2 and R 3 ar...
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JPS5613835B2 |
Basic azo dyestuffs which are free from sulfonic acid and carboxylic acid groups and correspond to the formula wherein the radical have the below mentioned meaning, water-solubility and drawing speed and are used for dyeing and printing ...
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JPS5628243A |
Compounds of the formula in which R is -CH3, -C2H5, -CH2CH2OH, -CH2CH(OH)CH3 or -CH2CH=CH2; R1 is -H or -CH3; R2 is -H or -CH3; R3 is -OCH3 or -OC2H5; R4 is -H, -CH3, -C2H5, n- or i- C3H7, -CH2CH2OH or -CH2CH=CH2; R5 is -H, -CH3, -C2H5, ...
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JPS5624453A |
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JPS5624450A |
To prepare dyestuffs of the general formula in which R1 and R2 represent methyl or ethyl, n represents 0 or 1, B represents the divalent radical of a 5-membered or 6-membered heterocyclic ring system and X- represents an anion, and where...
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JPS5624451A |
The preparation of hydrazone dyestuffs of the formula wherein R13 and R14 independently of one another represent hydrogen, C1- to C4-alkyl, C1- to C4- alkoxy or halogen, in particular chlorine or bromine, and A-denotes an anionic radical...
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JPS5550992B1 |
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JPS55131062A |
Water-soluble azo dyes, contg. no carboxylic or sulphonic acid gps., of formula (I) are new. In (I), ring A is opt. substd. by >=1 of Cl, Br, F, NO2, CN, CF3, alkylsulphonyl, arylsulphonyl, SO2NH2 (opt. N-alkyl or dialkyl substd), lower ...
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JPS5539187B2 |
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JPS5538373B2 |
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JPS55116756A |
There are described azo compounds of the formula wherein K is an optionally quaternized basic group, X is the radical COOR, in which R is an alkyl group or a substituted or unsubstituted phenyl group, or X is the radical CONHR', in which...
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JPS55116755A |
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JPS5534181B2 |
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JPS55104356A |
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JPS55102622A |
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JPS5529076B1 |
Dihydroindoles of the formula AND THEIR USE AS COUPLING OR CONDENSATION COMPONENTS FOR THE MANUFACTURE OF BASIC INDOLENINE DYESTUFFS OF THE FORMULA The dyestuffs are used for dyeing and printing natural and synthetic materials.
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JPS5527581B1 |
Azo dyestuff of the formula IN WHICH X and Y, independently of one another, are alkyl, cycloalkyl, aralkyl, or aryl, and in which X and Y together may form the residual member of a fused aromatic-carbo-cyclic or aromatic-heterocyclic rin...
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JPS5524470B2 |
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JPS5585546A |
New yellow cationic dyes of the formula ARE DISCLOSED WHEREIN X represents hydrogen or halogen, R represents an optionally substituted alkyl group or cycloalkyl group, OR -CH2- if this is linked with the phenylene group in the o-position...
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JPS5578060A |
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JPS5573758A |
Cationic azo dyestuffs of the formula wherein: R denotes hydrogen or methyl, R1 and R2 denote hydrogen or C1- C4-alkyl, R3 denotes C1-C4-alkyl, R4 denotes C1-C4-alkyl which is optionally substituted by OH, C2-C4- alkenyl or benzyl or phe...
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JPS5519953B2 |
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JPS5560563A |
Novel azo compounds of the general formula (E)n1(A)n2-(R1)n3-N=N-BAL are provided, wherein A is a charged group which may be positively or negatively charged, E is a counter ion which carries a charge of opposite sign to that carried by ...
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JPS5515503B2 |
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JPS5515504B2 |
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JPS5540792A |
Chlorozincate salts of thiazolium azo compounds are prepared by reacting thiazolium azo compounds with an dialkylsulfate having from 1 to 4 carbon atoms in the alkyl radicals, which process comprises carrying out the reaction in an aqueo...
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JPS5534295A |
Cationic dyestuffs of the formula (I) wherein R1 and R2 independently of one another represent a lower alkyl, alkenyl or hydroxyalkyl radical, R3 represents H or halogen, R4 represents H, halogen, or a lower alkyl, alkenyl or alkoxy radi...
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JPS5534300A |
Cationic dyestuffs of the formula wherein R1 and R2 independently of one another represent a lower alkyl, alkenyl or hydroxyalkyl radical, R3 represents H, halogen or a lower alkyl or alkenyl radical, R4 represents H, halogen or a lower ...
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JPS5534298A |
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JPS5531883A |
New basic azo dyes of formula (I) (where R is opt. substd. alkyl, alkenyl, cycloalkyl or aralkyl; R1 is H, opt. substd. alkyl, aralkyl or aryl, or with the N atom and ring A forms at 5 or 6 member ring: ring A may be further substd. or c...
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JPS5513792A |
Compounds of formula I in which R1 and R2 are independently unsubstituted C1-4 alkyl, R3 and R4 are independently hydrogen or unsubstituted C1-4 alkyl, R5 is hydrogen, unsubstituted C1-4 alkyl or C2-4 alkyl mono-substituted by OH or C1-4...
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JPS553377B1 |
1334129 Methin and monoazo dyes BAYER AG 18 Aug 1971 [18 Aug 1970] 38755/71 Heading C4P Methin dyes of formula (in which R 1 and R 4 are each halogen, 1-5 C alkyl, cycloalkyl, aralkyl, 1-5 C alkoxy, nitro, carbalkoxy, CN, acyl, acylamino...
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JPS54161635A |
Water-soluble azo dyes contg. no SO3H or COOH gps. of formula (I) are new: (D = carbocyclic or heterocyclic radical contg. >=1 electron-withdrawing gp. X is opt. substd. alkoxy or alkylcarbonyl and ring E is opt. substd. by l lower alkyl...
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