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JPS54155225A |
New water-soluble basic azo dyes are of formula: (in which D is an aromatic carbo- or heterocyclic gp.; R is H, halogen, NO2, CN, OH, amino or an organic gp.; R1 is H, an opt. substd. hydrocarbon or heterocyclic gp., or opt. substd. NH2,...
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JPS5432804B1 |
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JPS54126234A |
Novel azo compounds and their preparation are provided. These compounds have the general formula wherein X is N or CR4 where R4 is a hydrogen atom or an optionally substituted alkyl or aryl group, Y is S(+), N(+)R5, O(+) or N where R5 is...
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JPS54126233A |
Novel azo(hydrazo)-anthraquinone compounds and their preparation are provided. These compounds are of the general formula where R is hydrogen or at least one substituent, T1 is hydrogen, an hydroxy or alkoxy group or an amino or substitu...
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JPS54126535A |
A photographic dye diffusion transfer process is provided which operates by imagwise release of a dye. The dye diffuses to a receiving layer and is mordanted there to give a dye image. The dyes are released from a compound of the formula...
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JPS5491533A |
Cationic dyestuffs of the formula wherein R1 represents a lower alkyl, alkenyl or hydroxyalkyl radical, R2, R3, R5 and R6 represent hydrogen or a lower alkyl or alkenyl radical, R4 represents a lower alkyl, alkenyl or alkoxy radical and ...
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JPS5483028A |
A new class of hydrosoluble monoazoic cationic dyes free of sulphonic or carboxylic groups and derived from 1-phenyl-3-aminopyrazoles is disclosed, as are, also, processes for preparing the new dyes and use thereof in the dyeing and prin...
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JPS5470336A |
The present invention relates to new azo-pyrazolium dyestuffs which correspond to the general formula: (I) in which R1 and R2 represent alkyl groups containing 1 to 4 carbon atoms, R3 represents a hydrogen atom or a methyl or ethyl group...
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JPS546569B1 |
Cationic dyestuffs having one of the groups or WHEREIN R1 and R2 denote hydrogen, an alkyl, cycloalkyl, aralkyl, aryl or amino radical or a heterocyclic ring, R3 denotes an alkyl, cycloalkyl or aralkyl radical, and R3 can be bonded to R1...
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JPS546571B1 |
1330376 Hydrazone dyes BAYER AG 6 Aug 1971 [8 Aug 1970] 37101/71 Heading C4P Hydrazone dyes of formula (in which B is a benzo ring which may be partially or completely saturated and may have fused thereto one or more rings; X completes a...
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JPS545409B2 |
Basic dyestuffs of the formula (I) Wherein R2 denotes a non-ionic substituent, R3, R4 denote alkyl, alkenyl, cycloalkyl or aralkyl, R5 denotes hydrogen, alkyl, cycloalkyl or aryl, R6 denotes hydrogen or alkyl, and R5 and R6 can together ...
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JPS544974B1 |
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JPS5422439A |
Chlorozincate salts of benzothiazonium azo compounds are prepared by reacting benzothiazolium azo compounds with an dialkylsulfate having from 1 to 4 carbon atoms in the alkyl radicals, which process comprises carrying out the reaction i...
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JPS5348210B2 |
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JPS5347432B2 |
Cationic azo dyestuffs of the formula wherein D denotes the radical of an azo dyestuff which is free of sulphonic acid groups, R denotes an alkylene radical, R1 denotes hydrogen or alkyl, R2 denotes alkyl, alkenyl or aralkyl, R3 denotes ...
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JPS53141335A |
Compounds of the formula wherein each of R and R1 is independently hydrogen, C1-4alkyl, phenyl or phenyl substituted by 1 to 3 C1-4alkyl, C1-4alkoxy or halo substitutents or R and R1 taken together are trimethylene or tetramethylene, eac...
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JPS53141334A |
Azo dyes which in the form of the free bases correspond to the general formula where R1 is hydrogen, chlorine, bromine, methyl, trifluoromethyl, methoxy, nitro or a radical X, R2 is hydrogen, chlorine or nitro, R3 is hydrogen, chlorine, ...
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JPS53140330A |
Basic azo dyestuffs devoid of sulphonic acid and carboxylic acid groups and of the formula wherein A is an optionally substituted aromatic carboxylic or heterocyclic radical, R is an optionally substituted lower alkyl, aralkyl or cycloal...
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JPS5335818B2 |
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JPS53102398A |
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JPS5397026A |
The novel basic cyclo-immonium gp. contg. azo cpds. free from sulphonic acid gps. are of formula (I): In (I), R = opt. branched 1-6 C alkyl opt. substd. by phenyl, or allyl, or opt. branched 2-6 C alkyl opt. substd. by halogen, CN, OH, 1...
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JPS5328456B1 |
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JPS5328291B2 |
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JPS5384028A |
New azo dyes are disclosed which are free from sulphonic acid groups and which are optionally quaternized in the coupling component, and mixtures of such dyes, which dyes correspond to the formula wherein X represents chlorine, optionall...
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JPS5323438B2 |
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JPS5369227A |
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JPS5363434A |
A new class of water-soluble monoazo cationic dyestuffs free from sulphonic or carboxylic acid groups is disclosed. A process for preparing the new dyestuffs, which are derived from 1-phenyl-3-aminopyrazoles, is also disclosed.
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JPS5312528B1 |
Basic yellos dyes of the hydrazone series for dyeing/Printing leather, mordanted cellulose acetate, jute, sisal, in flexographic printing, printing and writing inks, and for dyeing/printing polyacrylonitrile and acrylonitrile copolymer a...
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JPS5347428A |
The invention relates to new cationic azo dyestuffs which correspond to the general formula: in which R1 represents an alkyl radical or a substituted alkyl radical, R2 represents a hydrogen atom, an alkyl radical or a substituted alkyl r...
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JPS5340018A |
Compounds of the formula wherein R is chlorine or bromine, R1 is straight or branched chain unsubstituted C1-4alkyl, R2 is -CH3, C2H5, n-C3H7 or n-C4H9, R3 and R4, independently, are hydrogen, chlorine, bromine or methyl, R5 is methyl or...
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JPS538728B1 |
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JPS5312931A |
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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JPS538621A |
Cationic dyestuffs of the formula [(D-N=N-K) (-R)n]m(+) m An(-) wherein D denotes the radical of a diazo component, K denotes the radical of a coupling component, m and n independently of one another denote 1 or 2, An(-) denotes an anion...
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JPS5248672B2 |
Cationic azodyestuffs of the formula +TR in which the substituents have the meaning stated below, are suitable for dyeing and printing of natural and synthetic materials especially polyacrylonitrile and acid modified polyesters and polya...
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JPS52142726A |
Process for the preparation of benzthiazole dyestuffs by alkylation of compounds of the formula wherein R1 and R2 denote hydrogen, alkyl, alkenyl, cycloalkyl, aryl or aralkyl, or, conjointly with the N-atom, form a ring, or R1 can be lin...
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JPS52126421A |
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JPS5239055B1 |
1,180,142. Cationic dye solutions. MITSUBISHI CHEMICAL INDUSTRIES Ltd. 9 May, 1967 [24 May, 1966], No. 21595/67. Heading D1B. The invention comprises cationic dye solutions containing 1) from 5 to 40% by weight of one or more cationic dy...
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JPS52117927A |
Compounds of the formula wherein R1 is hydrogen, cyano, -COR4 or -CONR5R6, wherein R4 is C1-4 alkyl or phenyl, R5 is hydrogen, C1-4 alkyl or phenyl, and R6 is hydrogen or primary or secondary C1-4 alkyl, R2 is hydrogen, C1-4 alkyl, pheny...
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JPS5296285A |
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JPS5293438A |
A mixture of water soluble cationic azo dyestuffs devoid of carboxylic acid or sulphonic acid groups, each dyestuff in said mixture containing at least one cyclammonium group and said dyestuffs differing only in the constitution of the s...
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JPS5292241A |
The dyestuffs are free of carboxylic acid and sulphonic acid groups and correspond to the formula (I) in which R, R<1>, Y, A, K<(+)> and X<(-)> have the meaning given in Claim 1. They are prepared by diazotising an aromatic amine of the ...
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JPS5291030A |
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JPS5227174B1 |
Azo dyes of the formula wherein D is an aromatic carbocyclic or heterocyclic diazo component radical, R is hydrogen or optionally substituted hydrocarbyl, heterocyclyl or amino, R'' is quaternized nitrogen-containing heterocyclyl, R1 is ...
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JPS5285223A |
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JPS5285222A |
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JPS5226246B2 |
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JPS5273927A |
Azo dyestuffs devoid of carboxylic acid and sulphonic acid groups and of the formula (I) (I) wherein R is a hydrogen atom, halogen atom, cyano, nitro, hydroxy or amino group or an organic radical, R1 is a hydrogen atom, an optionally sub...
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JPS5273925A |
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JPS5273926A |
Azo dyestuffs devoid of carboxylic acid and sulphonic acid groups and of the formula (I) (I) wherein R is a hydrogen atom, halogen atom, cyano, nitro, hydroxy or amino group or an organic radical, R1 is a hydrogen atom, an optionally sub...
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JPS5222844B2 |
Cationic azodyestuffs of the formula +TR in which the substituents have the meaning stated below, are suitable for dyeing and printing of natural and synthetic materials especially polyacrylonitrile and acid modified polyesters and polya...
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