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JPS5521784B2 |
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JPS5517160B1 |
Paper dye of the formula ESPECIALLY IN LIQUID OR GRANULATED FORM.
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JPS5543127A |
NEW MATERIAL:Tetrakisazo compounds of formula I [R1 is methyl, ethyl: R2 is H, methyl methoxy, ethoxy; R3 is H, methyl; K is residue of formula II where benzene nucelus a may be substituted with methyl, amino, acetylamino, methoxy or oth...
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JPS553376B2 |
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JPS557887A |
Disazo dyes of the formula (I) wherein the rings "a" either contain no further substituents and carry the azo group in the para-position to the beta -hydroxybutoxy group, or contain a C1-C4alkyl of C1-C2 alkoxy radical in the para-positi...
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JPS551944B2 |
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JPS551398A |
A process for fast dyeing or printing hydrophobic, synthetic organic fibre material comprises using a water- insoluble disazopyrazole dyestuff of the general formula wherein R1 represents hydrogen, (C1-C8) alkyl which is unsubstituted or...
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JPS54154426A |
Heterocyclic compounds of the formula wherein R1 denotes hydrogen or C1-C4-alkyl or the two R1s together denote CO, R2 denotes a substituent and n denotes 0, 1, 2, 3 or 4, processes for their preparation, azo pigments prepared therefrom ...
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JPS5432804B1 |
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JPS54126232A |
The preparation of novel azo compounds is described. These compounds are useful in dye diffusion transfer processes. The compounds have the formula:- in which R1 is a substituted aromatic or heterocyclic group containing a ballasting gro...
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JPS5427372B2 |
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JPS5426574B1 |
Disazo dyestuff which in the form of the free acid correspond to the formula in which W stands for the radical or the radical R1 stands for hydrogen, an alkyl radical or a phenyl group; R2 and R3, independently of one another, stand for ...
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JPS5423684B2 |
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JPS5471118A |
Azo dyestuffs which, in the form of the free acid, correspond to the formula +TR wherein R1 denotes hydrogen, methyl or chlorine, R2 denotes hydrogen, chlorine, acetylamino, methoxy, ethoxy, nitro or carboxyl, R3 denotes hydrogen, sulpho...
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JPS5471119A |
Valuable dyestuff formulations for dyeing polyester fibres are obtained without expensive finishing techniques by simple mixing of emulsifiers with dyestuffs of the formula wherein A=alkylene, B and D=a direct bond or a bridge member, V ...
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JPS5463131A |
New disazo and polyazo dyestuffs which, in the form of the free acid, correspond to the general formula (I) +TR wherein K, R, m and n have the meaning indicated in the description, the use of these dyestuffs for dyeing and printing cellu...
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JPS5446558A |
PURPOSE: To make the sensitivity more excellent than SE, to reduce dark attenuation, to simplity the layer construction and to make the production advantageous by adding a preset disazo pigment to an organic photosensitive material of po...
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JPS5444042A |
Described is a process for dyeing keratin-containing material with developing dyes by applying diazo salts and coupling components successively, in any desired sequence, to the material to be dyed, and coupling them with each other, char...
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JPS5441935A |
Disazo dyestuff which in the form of the free acid correspond to the formula in which W stands for the radical or the radical R1 stands for hydrogen, an alkyl radical or a phenyl group; R2 and R3, independently of one another, stand for ...
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JPS546052B2 |
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JPS544975B1 |
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JPS544429B2 |
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JPS5345327B2 |
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JPS53128635A |
The compound which corresponds to the formula is suitable for the preparation of azo dyestuffs.
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JPS53114836A |
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JPS5335090B2 |
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JPS5333844B1 |
A photographic light-sensitive material for the silver bleaching process which comprises on a support in at least one layer a quinoxaline of formula WHEREIN A1 and A2 are each an alkyl-, aralkyl-, aryl, or heterocyclic group and n is 1 o...
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JPS5397027A |
A procedure for the preparation of polizoic dyes that respond to the general formula: ** (Formula) ** where A represents the rest of a monocoupler or a bi-copulant AH2 of the hydroxylated and/or aminated benzene series or of the hydroxyl...
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JPS5397028A |
A process for the preparation of azo dyes, which correspond to the general formula ** (Formula) ** where A represents the remainder of a hydroxylated and/or aminated monopulant or a bi-copulant AH2, optionally substituted with one or two...
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JPS5388035A |
Water-soluble disazo dyestuffs having the general formula B1-N=N-Z-N=N-B2 wherein Z is +TR wherein Y and M are the same or different and are methyl, ethyl, methoxy, ethoxy, and halogen, a and b are 0, 1 or 2, X is -0- or -S-, R1 is hydro...
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JPS5385825A |
Disazo cpds. of formula (I) are claimed in which X is H, Cl, Br, CH3, CH5, OCH3, OC2H5, low carbalkoxy or NO2; Y is H, CH3, C2H5, OCH3, OC2H5, low carbalkoxy or NO2 and, if X is not H, a Cl or Br atom; and K (same or different) are resid...
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JPS5384030A |
The new pigment dyes of the formula (I) where the symbols are each as defined in Claim 1 are obtained by coupling diazotized amines A-NH2 onto appropriate malonic acid dianilides. The pigments obtained can be used for migration-resistant...
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JPS5384029A |
To prepare the yellow pigment of formula (I) where R denotes the phenyl or naphthyl radical, unsubstituted or substituted a number of times by alkyl, alkoxy or halogen, one mole of 4,4'-diamino-3,3'-dichlorodiphenyl is coupled in acidic ...
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JPS5363435A |
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JPS5359724A |
Polymeric water-soluble colorants, characterized by containing not more than 1% of nonwater impurities having molecular weights below about 1000 are disclosod as is their achievement by a purification process comprising ultrafiltration o...
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JPS5317639A |
Symmetrical hexakisazo compounds of the formula +TR and mixtures of such compounds, WHEREIN EACH X is hydrogen or -SO3M, each R1 is -OH or -NH2, each R2 is -OH or -NH2, each Y is hydrogen, methyl, or -SO3M, and EACH M, independently, is ...
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JPS5248523B2 |
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JPS5247718B1 |
1377550 2-(2-Ethylhexyl)quinizarin MORTON-NORWICH PRODUCTS Inc 6 March 1972 [14 June 1971] 17715/74 Divided out of 1377549 Heading C2C The invention comprises 2-(2-ethylhexyl)- quinizarin of the formula It may be prepared by the condensa...
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JPS52140539A |
A water soluble trisazo dyestuff of the formula B1-N=N-Z-N=N-M-N=N-B2 is useful for dyeing substances containing nitrogen or hydroxyl wherein M is B1 and B2 are the same or different and are selected from the group consisting of +TR 2,4-...
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JPS52140682A |
A process for the fixation of organic dyestuffs on materials having a fibrous structure had been found, in which an organic dyestuff containing one or several groups of the formula (I) (I) wherein R1, R2, R3 and R4 each represent a non-i...
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JPS52140540A |
A water soluble trisazo dyestuff of the formula B1-N=N-Z-N=N-M-N=N-B2 is useful for dyeing substances containing nitrogen or hydroxyl wherein M is B1 and B2 are the same or different and are selected from the group consisting of +TR 2,4-...
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JPS52129731A |
Process for the manufacture of a disazo dyestuff of the formula in which R1 and R2 each stand for hydrogen, chlorine, bromine, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms, R3 and R4 each stand for hydrogen, chlorine, br...
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JPS5243222B1 |
Trisazo dyestuffs of the formula +TR wherein A, B, n, C and D have the meaning given in the description. The new dyestuffs are outstandingly suitable for dyeing natural or synthetic fibre materials containing hydroxyl groups or containin...
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JPS52124990A |
A process for dyeing or printing materials made from natural or synthetic polyamide, which process comprises treating these materials with a dye liquor or printing paste containing the dye of the formula I (I)+TR wherein R represents hyd...
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JPS52117324A |
New water-soluble disazo dyestuffs of the formula B1-N=N-Z-N=N-B2 (I) wherein Z denotes a bivalent radical of 2-phenyl-benzo-imidazole, -oxazole or thiazole, B1 is monovalent radical of a N-substituted amino naphtol-mono- or disulphonic ...
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JPS5296630A |
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JPS5230007B2 |
A polyazo dye represented by the formula WHEREIN A is an aromatic ring having or not having a substituent, B is an aromatic ring having at least one substituent selected from the group consisting of amino, substituted amino and hydroxyl,...
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JPS5228129B2 |
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JPS5227650B2 |
A polyazo dye represented by the formula WHEREIN A is an aromatic ring having or not having a substituent, B is an aromatic ring having at least one substituent selected from the group consisting of amino, substituted amino and hydroxyl ...
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JPS5285227A |
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