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6593483 |
Polymeric blue anthraquinone-derivative colorants
Blue colorants comprising a chromophore having at least one poly(oxyalkylene) chain attached to the 1- position, the 4- position, or both, through aromatic amino group or groups, of an...
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5882358 |
Colored transmission fluid
Automatic transmission fluid containing a red dye stable even in long-lived transmission fluids.
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5639896 |
Process for the preparation of N,N'-disubstituted 1,4-diaminoanthraquinones
A process for the preparation of N,N'-disubstituted 1,4-diaminoanthraquinones has been found which is characterized in that 1,4-dihydroxyanthraquinones are reacted with aliphatic or aromatic amines...
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5493036 |
Fibre-reactive anthraquinone dyes, their preparation and the use thereof
The invention relates to fibre-reactive anthraquinone dyes of formula ##STR1## wherein R 1 , R 2 , B, U, R and n are as defined in claim 1. The anthraquinone dyes of formula (1) are suitable for...
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5401846 |
Preparation of 5-halo-2-(1-anthraquinonylamino)-benzoic acids and 4'-halo-2,1(N)-anthraquinonyl-1',2'(N)-benzacridones
There are described the preparation of 5-halo-2-(1-anthraquinonylamino)benzoic acids of the general formula I ##STR1## (X 1 : Cl or Br; X 2 : H, Cl or Br, identical or different when n>1 n:...
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5342974 |
Halogenated anthraquinone and their use as near infrared rays absorbing optical filters
High-purity 1,4,5,8-tetraanilidoanthraquinones which are substituted at the p-position of at least one of four anilido benzene rings by a halogen atom are good near infrared rays absorbing filters...
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4755012 |
Ray absorption filter
A near infrared ray absorption filter, particularly usable as a sharp cut filter for an infrared ray sensor, which comprises as an absorbent capable of controlling transmission of a ray at least...
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4426328 |
Reactive dyes, their preparation and use
Dyes of the formula ##STR1## in which D is an organic dye radical which contains at least one group conferring solubility in water, R is a halogenoalkyl radical having 1 to 2 C atoms or a...
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4376077 |
Sulpho group-containing anthraquinone dyestuffs
Disclosed are anthraquinone dyestuffs which, in free acid form, are of formula I, ##STR1## in which R signifies an alkyl radical of 6 to 24 carbon atoms, an unsubstituted cyclohexyl radical or a...
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4330294 |
Anthraquinone compounds and process for dyeing therewith
The present invention relates to compounds of formula ##STR1## in which R 1 is an aliphatic or alicyclic hydrocarbon radical, R 2 is hydrogen, halogen or C 1 -8 alkyl, M is hydrogen or an...
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4247457 |
Cationic dyes containing an aryloxy group linked through a bridging radical to a quaternized nitrogen atom
Basic dyes, e.g., azo dyes and anthraquinone dyes, free from sulphonic acid groups which contain, a group of the formula ##STR1## in which R and R 1 , independently, are substituted or...
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4144252 |
Water-soluble amine-linked polymeric colorants
Polymeric colorants comprising a hydrocarbon backbone and attached directly thereto through amine linkages, at least one water-solubilizing group and at least one optically chromophoric group are...
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4132841 |
Copolymers of dyes and acrylamide
Copolymers of acrylamide and dyes useful as reactive prepolymers for the preparation of structurally dyed water-insoluble macromolecular materials. The dyes have a polymerizable double bond, such...
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4128396 |
Process for the improvement of dyeing properties of pigments of the anilino and arylmercapto anthraquinone series
Process for the improvement of dyeing properties of pigments of the anilino and arylmercapto anthraquinone series for bulk dyeing linear polyesters by halogenation of unhalogenated or lower...
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4115056 |
Methods for dyeing or printing using amino-anthraquinone reactive disperse dyes
The present invention provides useful new fibre-reactive disperse dyes of the formula (1) ##STR1## wherein R 1 represents hydrogen or alkyl, R 2 represents hydrogen, alkyl, cycloalkyl, aralkyl...
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4088572 |
Ultrafiltration purification of solution of polymeric anthraquinone colorants
The ultrafiltration purification of aqueous solutions of polymeric anthraquinone colorants, wherein low molecular weight impurities are removed in an ultrafiltrate leaving a purified anthraquinone...
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4082778 |
Arylaminoanthraquinones
An arylaminoanthraquinone of the formula ##STR1## in which one X, in the 5- or 8-position, denote either the radical of the formula ##STR2## or a hydrogen atom, the other X denote hydrogen atoms,...
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4048151 |
Cationic dyes containing an optionally substituted bicyclic or polycyclic aryloxyalkyl group
Disclosed are basic dyes free from sulphonic acid groups of the formula ##STR1## in which F + signifies a cationic group-containing residue of a dye such as an azo, styryl, azomethine, methine,...
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4044029 |
Amino-anthraquinone reactive disperse dyes
The present invention provides useful new fibre-reactive disperse dyes of the formula (1) ##STR1## wherein R 1 represents hydrogen or alkyl, R 2 represents hydrogen, alkyl, cycloalkyl, aralkyl...
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4035397 |
Polyfluoro acid anthraquinone dyestuffs their preparation and their use
Dyestuffs of the formula: ##STR1## in which R represents a hydroxy, amino, alkylamino or cyclo-alkylamino group, or a residue of the formula: ##STR2## n is equal to 0 or 1, X represents a hydrogen...
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4013687 |
Anthraquinone dispersing agents
Dyestuffs of the formulae D--Z--O--OC--X--O) y H] n and D--Z--O--OC--X--O) (y -1 ) COT] n wherein D is the radical of an anthraquinone dyestuff which is attached to Z through a carbon atom of...
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4001169 |
Coloration of polyesters
Process for mass coloring synthetic linear polyesters which comprises incorporating into the preformed polyester one or more dyestuffs of the formulae:- ##STR1## wherein R is a group of the formula...
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3989449 |
Dyestuff compositions
A dyestuff composition comprising a dyestuff of the general formula (I): ##SPC1## in which R and R 1 are selected from the group consisting of identical and different hydrogen, lower alkyl,...
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3975410 |
Process for the manufacture of halogen-containing anthraquinoidal compounds, their use and new halogen-containing anthraquinoidal compounds
Process for the manufacture of halogen-containing anthraquinoidal compounds being useful for bulk dyeing high molecular organic compounds and having the formula ##SPC1## Wherein A is an...
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3959332 |
Water soluble nitro compounds
Water-soluble nitro compounds of the formula ##SPC1## Where R 1 and R 2 , independently of each other, represent aromatic or heterocyclic radicals which may be substituted, R 3 an aromatic or...
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3958930 |
Deep-dyed nylon fiber and dyed styling yarn
Deep-dyed nylon fiber and dyed styling yarn which have been dyed from an aqueous dye bath having a pH of 4-7 and containing novel orange and/or compatible yellow, orange, red, blue, blue-green or...
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3927043 |
Bis-(polyhalogenoanilino)-anthraquinones
Bis-(polyhalogenoanilino)-anthraquinones and their use for the bulk dyeing of high molecular organic compounds. It has been found that bis-(halogenophenylamino)-anthraquinones of the formula...
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3917639 |
Dispersing agents
Dyestuffs of the formulae And Wherein D is the radical of copper phthalocyanine which is attached to Z through a carbon atom of an aromatic ring present in D; Z is a divalent bridging group; n is a...
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3915999 |
Blue anthraquinoid acid dyes
Anthraquinoid acid dyes of the formula ##EQU1## IN WHICH ALK IS A LINEAR OR BRANCHED ALKYLENE OF 1 TO 3 CARBON ATOMS, R 1 and R 2 are hydrogen or alkyl of 1 to 12 carbon atoms or cycloalkyl of 5...
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3905952 |
Orange phenylazoazobenzene acid dye
Orange phenylazoazobenzene acid dyes which have good application and excellent lightfastness properties on deep-dyeing nylon fibers and good non-staining properties on acid-modified nylon fibers.
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3779701 |
NON-AQUEOUS DYEING OF POLYAMIDES WITH WATER-SOLUBLE AMORIC DYESTUFFS DISSOLVED IN HALOGENATED HYDRO-CARBONS
A process for the non-aqueous dyeing or printing of nitrogen-containing fibre material, especially fibre material made from natural or synthetic polyamide, with certain water-soluble anionic...
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3759959 |
ANTHRAQUINOID DYESTUFFS
An anthraquinoid dyestuff which comprises at least one residue of an anthraquinoid disperse dyestuff and at least one residue of a disperse dyestuff of the styryl series.
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3671529 |
BASIC ANTHRAQUINONE DYES, WITH PYRIDINIUM 2- OR 4-DIMETHYLENE GROUP
Basic anthraquinone dyes free from sulphonic acid groups produced with a vinylpyridine group which are highly suitable for dyeing and printing acrylonitrile polymers or copolymers.
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3607686 |
PROCESS FOR THE REDUCTIVE CLEAVAGE OF SULPHONIC ACID GROUPS FROM ANTHRAQUINONE-SULPHONIC ACIDS
The invention relates to an electrochemical reductive desulphonation of anthraquinone-βsulphonic acids which contain an electron donator as substituent in at least one α-position of the nuclei...
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3549666 |
HALF SULFURIC ESTERS OF 1 - AMINO - 4-(HYDROXYLOWERALKOXY) - ANILINO-ANTHRAQUINONES
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3523936 |
2 - SULFONAMIDO - 4 - (N,N - DISUBSTITUTED AMINO)BENZENEAZO - 1,4 - NAPHTHALENE-OR 1,4-BENZENE-AZOBENZENE DYES
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3519656 |
ANTHRAQUINONE DYESTUFFS
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3519642 |
CELLULOSE-CONTAINING TEXTILES COLORED WITH REACTIVE DYESTUFFS
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3517013 |
ANTHRAPYRIDONE AND ANTHRAQUINONE DYES CONTAINING 1 OR 2BETA-SULFATO-,BETA-THIOSULFATO- OR BETA - VINYLETHYLSULFONYLALKANOYL - N - METHYLENEAMINE GROUPS
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3499916 |
BASIC DYES OF THE 1-(SUBSTITUTED AMINO)-4-AMINOETHOXYETHYLAMINOANTHRAQUINONE SERIES
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3491126 |
SULFONATED 1-ALKYLAMINO-4-TOLYLAMINOANTHRAQUINONES
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3462463 |
1 - ALKYLAMINO - 4 - ARYLAMINO - ANTHRAQUINONE SULFONIC ACID REACTIVE DYES
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3455969 |
1-ALKYLAMINO - 4 - ARYLAMINO-ANTHRAQUINONE SULFONIC ACID REACTIVE DYES
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3449425 |
N,N'-BIS(BETA-BENZOPHENONE)-ARYLENEDIAMINES
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3442599 |
ANTHRAQUINONE DYES FOR DYEING LIVE HUMAN HAIR AND KERATINIC FIBERS
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3420856 |
SULFONATED 1-CYCLOHEXYLAMINO-4-ANILINO-ANTHRAQUINONES
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3405145 |
Selective oxidation of leucoanthraquinones comprising a dihydroxyphenyl substituent
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3368942 |
Water soluble aminoanthraquinone hair dyes
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3365472 |
1-(amino and hydroxy)-4-anilino-3'-sulfo-anthraquinones substituted with a fiber reactive group at the 4'-position
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3271423 |
Substituted 1, 4-diphenylamino anthraquinone sulfonic acid dyestuffs
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