Abstract: The invention relates to mixtures of monoazo dyes, which are characterized in that they consist of one or more dyes of the general formula I ##STR1## and one or more dyes of the general formula II ##STR2## where R.sup.1 is methyl, ethyl, n-propyl or i-propyl,R.sup.2 is ethyl or n-propyl,m is 2 or 3 andn is 1 or 2, with the proviso that m+n is 4,processes for preparing same and the use thereof for dyeing and printing hydrophobic fibre materials and blends thereof with natural fibre materials.

Abstract: Process to dye polyacrylonitrile in blue shades with cationic dye compounds: substituted benzothiazolium azo N-alkyl-N-hydroxyalkyl alkyl-aniline salts.

Abstract: Mixtures of dyestuffs of the formulae I to IV ##STR1## wherein the radicals have the meanings customary in dyestuff chemistry, are excellent substitute products for the expensive anthraquinone dyestuff Disperse Blue 56.

Abstract: Novel reactive dyes of the formula ##STR1## in which Z is a radical of the formula ##STR2## in which R.sub.1 and R.sub.2 independently of one another are hydrogen or C.sub.1 -C.sub.6 alkyl, which can be substituted by C.sub.1 -C.sub.4 alkoxy, hydroxy-C.sub.1 -C.sub.4 alkoxy, HO--(CH.sub.2 CH.sub.2 --O).sub.2-4 --, C.sub.1 -C.sub.4 alkoxy-carbonyl, C.sub.2 -C.sub.4 alkanoyloxy, carboxyl, cyano, chlorine, sulfo or sulfato, n is the number 0, 1 or 2 and m is the number 1 or 2, (Q.sub.1).sub.m is 1 or 2 substituents Q.sub.1 independent of one another from the group comprising C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, acetylamino and carboxyl, (Q.sub.2).sub.n is 0 to 2 substituents Q.sub.2 and (Q.sub.2).sub.m is 1 or 2 substituents Q.sub.2 independent of one another from the group comprising C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.

Abstract: The invention relates to a stable, dust-free commercial form comprising at least one water-soluble monoreactive dye which comprises a monofluoro-s-triazine reactive radical, and/or at least one water-soluble polyreactive dye in a polyvinyl alcohol envelope.The dyeings obtained with the stable, dust-free commercial form are distinguished by good general fastness properties.

Abstract: A dye which, in the free acid form, has the formula ##STR1## wherein W is COOHX is selected from H, COOH, SO.sub.3 H, halo, hydroxy, nitro, cyano, C.sub.1-6 -alkyl, C.sub.1-6 -alkoxy and C.sub.1-6 -acylamino;Y is H, COOH or SO.sub.3 H;Z is H, COOH or SO.sub.3 H;R & R.sup.1 are each independently H or C.sub.1-6 -alkyl substituted by 0, 1 or 2 --COOR.sup.2 groups; andR.sup.2 is H or C.sub.1-6 -alkyl;provided that there are at least two COOH groups and that the number of COOH groups is equal to or greater than the number of SO.sub.3 H groups.The dye is adapted for the preparation of inks for use in ink jet printing in which it displays high water-fastness on paper.

Abstract: A method of dyeing paper utilizing dyes suitable for dyeing paper in blue shades having the formula ##STR1## wherein R is hydrogen, --OH, --OR.sup.1 , --NH.sub.2, NHR.sup.1, --NHCOR.sup.1, --NHSO.sub.2 R.sup.1, --NHCONH.sub.2 or --NHCONHR.sup.1, in which R.sup.1 is unsubstituted alkyl or alkyl substituted by C.sub.1 -C.sub.4 -alkoxy, hydroxy-substituted C.sub.1 -C.sub.4 -alkoxy, phenyl, phenoxy or phenylcarbamoyl, in each instance the phenyl moiety being unsubstituted or substituted by C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxy or phenoxy, R.sup.1 is also unsubstituted phenyl or naphthyl or phenyl or naphthyl which is substituted by sulfo, carboxy, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, halogen, nitro, C.sub.1 -C.sub.4 -alkylcarbonylamino or C.sub.1 -C.sub.4 -alkoxycarbonylamino;X, each independently of the other, is hydrogen, unsubstituted alkyl or alkoxy or alkyl or alkoxy which is substituted by C.sub.1 -C.sub.4 -alkoxy, hydroxy-substituted C.sub.1 -C.sub.

Abstract: Plant materials such as petals, leaves, fruits, are gathered, dried at a minimum temperature of 70.degree. C., and pulverized so as to produce light-fast, lustrous dyestuffs. Subsequently, an acid or base substance is added. It is preferred that a pH value that corresponds to the pH value of the plant materials when fresh is set. A binding agent can be added subsequently.

Abstract: A monoazo dyestuff composition comprising at least two different individual compounds of the formula ##STR1## wherein R.sup.1 and R.sup.2, independently of each other, are linear or branched alkyl having 1 to 4 carbon atoms and R is linear or branched alkyl having 1 to 5 carbon atoms, and where said individual compounds differ from each other in at least the R moiety, has improved dyeing properties compared with the individual dyestuffs when used to dye or print hydrophobic fiber materials.

Abstract: A crystalline form of the dye represented by the following formula (1): ##STR1## characterized by an X-ray diffraction pattern having a strong peak at the angle of diffraction (2.theta.) of 23.2.degree. and relatively strong peaks respectively at the angles of diffraction (2.theta.) of 8.3.degree., 12.3.degree., 20.8.degree., 21.9.degree., 25.0.degree., 27.1.degree., 29.2.degree. and 30.8.degree. according to X-ray powder diffractometry through the use of a Cu-K.alpha. line and a process for preparing the same by heat-treating a heat-instable crystalline form of the dye represented by the formula (1) in water, water containing a water-soluble organic solvent, or water containing an anionic or nonionic surfactant at a temperature of 40.degree. C. or above.It withstands dyeing at high temperature, e.g. 130.degree. C. or higher, to provide dyed fibers having excellent fastness properties.

Abstract: A dye composition suitable for the coloration of synthetic textile materials, especially linear polyester, by conventional disperse dyeing and printing processes comprising a mixture of a dye of the formula: ##STR1## and a dye of the formula: ##STR2## wherein X and X' are each independently selected from Br, Cl and I;Q and Q' are independently C.sub.1-4 -alkyl;T is C.sub.1-4 -alkyl;R.sup.1 and R.sup.2 are each independently C.sub.1-4 -alkyl or C.sub.2-4 -alkenyl; andT.sup.1 and T.sup.2 are each independently C.sub.1-4 -alkyl or C.sub.2-4 -alkenyl.

Abstract: There are disclosed solid dye formulations which comprise at least one anionic wool dye and optional additional components as well as a mixture of an anionic dispersant and an amphoteric surfactant. Such formulations are distinguished in particular by improved solubility in water.

Abstract: A stable and low-foaming composition for finishing synthetic fibres which contains, based on (a)+(b)+(c)(a) 15 to 84% by weight of a sparingly water-soluble or water-insoluble dye, fluorescent whitening agent or UV absorber,(b) 15.5% to 75% by weight of one or more dispersing agents, and(c) 0.5 to 10% by weight of an alkylenediamide.

Abstract: A method of producing a lignin dispersant composition comprising the steps of methylolating a lignin compound by reaction of less than about 2 moles formuladehyde per 1,000 grams of the lignin, and sulfonating the methylolated lignin by reaction from about 2.5 to 3.5 moles of the sulfite or bisulfite compound per 1,000 grams of lignin at an initial reaction pH of below about 6.6 and at a temperature of at least about 170.degree. C., while allowing the pH of the reaction mixture to rise to a final pH of greater than 7.5 to sequentially sulfomethylate the aromatic nucleus and sulfonate the side chain of the lignin.The products of the method find particular use as dispersants in dye compositions and carbon black compositions with lower viscosity and extended shelf-life storage of the composition.

Abstract: Concentrated aqueous dye formulations of water-soluble organic dyes are prepared by desalination and concentration of corresponding crude dye solutions by means of membrane separation processes. The effectiveness of the membrane separation process on the one hand and the stability of the dye formulations on the other hand is improved if dye solutions are subjected to cross-flow microfiltration before and/or after the membrane separation process and insoluble constituents are thus removed.

Abstract: A solid formulation comprising at least one water-soluble anionic dye, additional optional assistants and a combination of an ethoxylated stearyl diphenyloxyethyl diethylenetriamine and at least one anionic dispersant. Such formulations are distinguished in particular by very good hot water solubility.

Abstract: The present invention is concerned with improving the solubility of anionic water soluble dyestuff powders. The solubility of these powders particularly in cold water, is enhanced by adding (i) a chelating agent which has at least two free acid groups and (ii) a Lewis base in an amount sufficient to bring the pH of the water solution of the powder to a value of about 7-10.

Abstract: A composition comprising:(a) 30 to 90% by weight of one or more water soluble anionic dyestuffs in metal complex form,(b) 0.5 to 20% by weight of one or more compounds of formula I ##STR1## in which R.sub.1 is C.sub.12-22 alkyl or C.sub.12-22 alkenyl; R.sub.2 is hydrogen or --SO.sub.3 M;m is 2, 3 or 4;n is 2, 3 or 4;p+p' is 10 to 30 inclusive, each of p and p' being at least 1; and M is a cation; and(c) 5 to 40% by weight of a dispersing agent.These compositions are suitable for dyeing of textile and leather substrates.

Abstract: A process for the preparation of a densely colored pellet for addition to a synthetic resin involves converting a dye into a cyclodextrin clathrate compound thereof, powdering the clathrate compound by drying, mixing the powder with a synthetic resin material in a molten state and pelletizing the mixture. The obtained pellet can be uniformly dispersed in a synthetic resin material to color the resin material without causing bleeding of the dye or fading of the product.

Abstract: Permanently non-dusting pigment and dye preparations, which contain as dedusting agents,(a) a surface-active substance in an amount of from 0.

Abstract: A monoazo dye for polyester fiber represented by formula ##STR1## and having a crystal modification characterized by an X-ray diffraction spectrum (CuK.alpha.) showing a very strong peak at an angle of diffraction (2.theta.) of about 14.2.degree., a strong peak at about 24.5.degree., and four weak peaks at about 16.9.degree., 23.6.degree., 25.3.degree., and 26.8.degree.. The monoazo dye exhibits excellent dispersibility to effect level dyeing even under high temperature and severe conditions and provides a dyed material excellent in light fastness and rubbing fastness, as well as wet fastness after post-finish.

Abstract: A low-dusting particulate composition comprising (i) a particulate solid, especially a hydrophilic solid, such as a water-soluble dye or surfactant-treated water-insoluble dye, and (ii) an aryl hydroxypolyalkoxylate which is free from long aliphatic substituents.

Abstract: A reactive blue dye composition, which comprises a phthalocyanine dye represented by a free acid of the following formula (I), ##STR1## wherein CuPc is a copper phthalocyanine nucleus, W is a C.sub.2 -C.sub.4 alkylene group or a 1,3- or 1,4-phenylene group having one or two sulfo groups, R.sub.1 and R.sub.2 are independently a hydrogen atom or a lower alkyl group, 1 is a number of 1 to 3, m is a number of 0 to 2, and n is a number of 1 to 3, provided that the total number of 1, m and n is 4 or less, and a phthalocyanine dye represented by a free acid of the following formula (II), ##STR2## wherein CuPc, 1, m and n are as defined above, Y.sub.1 and Y.sub.2 are independently a hydrogen atom or a methyl, methoxy or sulfo group, R.sub.3 is a hydrogen atom or a lower alkyl group, and Q is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.

Abstract: This invention is directed to mixtures of water-soluble, fiber reactive yellow dyestuffs which exhibit superior build-up and color properties over those properties obtained with the individual components of the mixtures. The dyestuffs disclosed herein have the following general formula in their free acid form: ##STR1## wherein R is lower alkyl, lower alkoxy or hydrogen and wherein X is --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 --Z wherein Z is --OH, --Cl, --Br, --OSO.sub.3 H, --SSO.sub.3 H, OPO.sub.3 H.sub.2 or --N(R.sub.1).sub.2, and wherein R.sub.1 is lower alkyl or hydrogen.

Abstract: A process for the preparation of formulations of water-soluble organic dyes starting from an aqueous salt-containing suspension of the untreated dye and using membrane separation methods, which process comprises substantially freeing the aqueous suspension of the untreated dye from by-products and reducing the salt concentration by more than half in a first membrane separation treatment, then diluting the dye suspension in a further optional step and effecting deionization and concentration in a second membrane separation treatment and converting the concentrate so obtained into a liquid or solid commercial formulation. This multi-step membrane separation process, e.g. ultrafiltration combined with hyperfiltration, results in a high rate of permeation through the membrane and avoids operating problems caused by membrane clogging.

Abstract: Synthetic fiber materials are effectively colored by dyeing or printing with a dyestuff mixture containing at least two separate dyestuffs (I) and (II) in a weight ratio of (I):(II) of from (20 to 99):(80 to 1) wherein:(I) is at least one dyestuff of the formula ##STR1## and (II) is at least one dyestuff of the formula ##STR2## in which X and Y are the same or different and each is independently chloro and bromo:R.sup.1 and R.sup.

Abstract: Substituted 2,2'-dihydroxydiphenyl sulfide, sulfoxide, and sulfone compounds, and their use as azo coupling components in light-sensitive diazo compositions. The novel compounds couple with rapidly developing diazonium compounds to provide lemon-yellow dyes, and can be used in combination with blue and violet couplers to provide a green-black diazo image in higher density areas with a neutral black in lower density areas.

Abstract: The invention describes a process for the preparation of granular dye formulations by mixing a (preferably water-soluble) dye, water, and optionally further assistants with a polyethylene glycol that melts in the range from 40.degree. to 150.degree. C., and drying the resultant solution or suspension in a spray drier or fluidized bed drier. The granular formulations so obtained are permanently dust-free, dissolve rapidly in an aqueous dyebath, and do not cause foaming during dyeing.

Abstract: The invention describes a process for the preparation of granular dye formulations by melt granulation, using a polyethylene glycol as melt vehicle. The essential feature of the invention is that a start is made from the dye which contains water, for example from the aqueous filter cake or synthesis solution, and adjusting the moisture content of the granular formulations to 1 to 30% by partial evaporation of water from the dye/polyethylene glycol melt.

Abstract: The invention relates to solid formulations of dyes which are insoluble or sparingly soluble in water, which formulations contain a dialkyl sulfosuccinate having 3 to 8 carbon atoms in each alkyl moiety, or a C.sub.3 -C.sub.6 alkylnaphthalenesulfonate and/or a branched or unbranched acetylene glycol containing 8 to 20 carbon atoms, in addition to the dye and one or more anionic dispersants, optionally together with further auxiliaries conventionally employed in powdered formulations.These formulations are characterized by very good wettability, excellent dispersibility and good redispersibility. The dyebaths and padding liquors prepared with these formulation are non-foaming or only low foaming and are in addition stably disperse. They are suitable for dyeing and printing natural and synthetic fibres.

Abstract: The invention relates to a dyeing assistant comprising at least(A) a sulfonated condensation product of a hydroxyaryl compound and formaldehyde or a sulfonated N-arylmelamine derivative, and(B) a quaternary ammonium compound which contains at least one basic nitrogen atom to which are attached at least one polyglycol ether chain and at least one aliphatic radical of 10 to 22 carbon atoms, said polyglycol ether chain containing at least one grouping of the formula ##STR1## preferably a grouping of the formula ##STR2## wherein one of Y.sub.1 and Y.sub.2 is hydrogen and the other is the phenyl radical, and optionally(C) a siloxane/oxyalkylene copolymer and/or(D) a polar solvent.This dyeing assistant is used in particular for dyeing or printing synthetic polyamide fibre material with anionic dyes.

Abstract: A process for producing granulates of water-soluble dyes by means of fluidized bed granulation, wherein there is added a granulating auxiliary having a softening point or softening range between 30.degree. and 150.degree. C. and consisting of(a) at least one compound of the formula IA--(CH.sub.2 CH.sub.2 O).sub.n --H (I)in which A is the group R--O-- or ##STR1## wherein R is an aliphatic or alicyclic hydrocarbon radical having 8 to 22 carbon atoms, R' is an aliphatic hydrocarbon radical having 8 to 22 carbon atoms, and n is 10 to 200, preferably 20 to 150, or(b) a mixture of a compound of the formula II ##STR2## in which m is 50 to 500, and x is 3 to 5, with a compound of the formula IIIR.sub.1 --NH--CO--NH--R.sub.1 (III),in which each R.sub.1 independently of the other is hydrogen or methyl, or(c) a mixture of a compound of the formula I with at least one compound of the formula II or III.

Abstract: Improved dyestuff compositions are disclosed herein comprising, as dispersants, sulfonated lignins prepared by selectively isolating lignins having molecular weights greater than 5,000 and subsequently reacting the lignin with sodium sulfite and an aldehyde.

Abstract: A reactive dye composition comprising (1) a dye having the formula, ##STR1## wherein D is an organic dye residue having at least one sulfo group, R.sub.1 and R.sub.2 are independently a hydrogen atom or an unsubstituted or substituted lower alkyl group, A is an unsubstituted or substituted phenylene or naphthylene group, X is a halogen atom, and Y is a group, --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z, in which Z is a group capable of being split by the action of an alkali, and (2) a buffer, the amount of the buffer being from 3 through 80% by weight based on the weight of the dye, and the pH value of an aqueous solution prepared from the dye composition and water of 20 times as much as the weight of the dye composition being from 3.5 through 7.5, which is superior in storage stability, and useful for dyeing or printing fiber materials to give dyed or printed products having superior fastness with high reproducibility.

Abstract: A reactive dye composition comprising at least one alkylnaphthalenesulfonic acid/formaldehyde condensate and a compound represented by the following formula, ##STR1## wherein D is an organic dye residue having at least one sulfo group, R.sub.1 and R.sub.2 are independently a hydrogen atom or a C.sub.1 to C.sub.4 alkyl group unsubstituted or substituted with a halogen atom or a hydroxy, cyano, alkoxy, carboxy, carbamoyl, alkoxycarbonyl, alkylcarbonyloxy, sulfo or sulfamoyl group, A is a phenylene group unsubstituted or substituted with one or two substituents selected from chlorine and bromine atoms and methyl, ethyl, methoxy, ethoxy and sulfo groups, or a naphthylene group unsubstituted or substituted with one sulfo group, X is a halogen atom, and Y is --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.

Abstract: A process for preparing sulfonated lignins suitable for use as dispersants and additives in dye compositions wherein sulfonated lignins are post-sulfonation crosslinked with a crosslinking agent of the aldehyde, epoxide, or polyhalide type at a pH range of between about 6.1 to 9 to selectively crosslink low molecular weight sizes of the sulfonated lignins to provide improved heat stability and dispersibility of the sulfonated lignins in dye compositions. The invention also concerns disperse and vat dye compositions, and printing gels, containing the sulfonated lignins as a dispersing agent or additive.

Abstract: Methods of rendering water-soluble dyes insoluble comprise contacting a polymer containing X-alkyl-2-oxazolidinone with the desired dye or dyes. The essentially water-insoluble pigments so prepared are useful in a wide variety of uses and, in particular, in coloring soaps, toothpaste, etc.

Abstract: The invention relates to solid formulations of metal complex dyes, which formulations are obtained by dissolving or suspending at least one metal complex dye in water with the addition of an anionic dispersant or mixture of dispersants, and 1 to 20% by weight, based on the final formulation, of a non-ionic ethylene oxide adduct having a molecular weight of 200 to 5000, and optionally further ingredients, subsequently mixing the components and spray drying the solution or suspension.Such formulations are readily wettable and have a cold water dispersibility of .gtoreq.30 g/l.

Abstract: The invention relates to solid disperse dye formulations which do not contain anionic dispersants and which comprise one or more disperse dyes having a particle size of less than 5 .mu.m, and one or more nonionic dispersants selected from the group of the fatty alcohol ethoxylates having a molecular weight of 800 to 2000, of the fatty amine ethoxylates having a molecular weight of 500 to 1000, and of the polyvinylpyrrolidones having a molecular weight of 10,000 to 25,000.These formulations are particularly suitable for preparing organic printing pastes and printing inks which contain synthetic thickeners and which are suitable for textile printing and for transfer printing.

Abstract: A preparation containing a mixture of dyes for dyeing polyacrylonitrile materials in navy blue to black shades, the dyeings obtained being distinguished in particular by a very good fastness to light.

Abstract: The invention relates to dyestuff granulates which comprise at least one water-insoluble dye, an anionic dispersant and optionally other auxiliaries, which granulates contain as essential component at least one amphoteric surfactant. Such granulates have, inter alia, excellent cold water dispersibility and good wettability. They are used for preparing dyebaths, padding liquors or printing pastes for dyeing and printing textile material.

Abstract: Solid dyestuff formulations having excellent dyebath stability are obtained in an economical manner by mixing a water-insoluble textile dyestuff with a dispersant and a carboxyl-containing copolymer of(a) an .alpha.,.beta.-ethylenically unsaturated monocarboxylic acid,(b) a non-basic ester of an .alpha.,.beta.-ethylenically unsaturated monocarboxylic acid, and(c) an unsaturated aliphatic or aromatic hydrocarbon or acrylonitrile,bead-milling the mixture down to a particle size of, preferably, 1-2.mu., and then spray-drying the ground mixture. If desired the dispersant can also be added during the synthesis of the dyestuff, as a consequence of which early addition the milling process can be dispensed with.

Abstract: The invention relates to powdered, stably dispersible dye formulations which do not foam on application, and to a process for their preparation. In addition to containing one or more disperse dyes and an anionic dispersant or mixture of dispersants, these formulations contain 0.01 to 10% by weight, based on the final formulation, of a non-ionic reaction product of ethylene oxide and propylene oxide with a low molecular polyol, said reaction product having a molecular weight in the range from 200 to 5000 and a cloud point in the range from -20.degree. to +130.degree. C. The formulations are particularly suitable for dyeing under HT conditions in half-filled dyeing machines.

Abstract: A cold water soluble dyestuff composition which contains(a) 30 to 90% by weight of the dye of formula I ##STR1## (b) 2 to 50% by weight of an anionic dispersant (c) 0.1 to 10% by weight of an alkylenediaminedicarboxylic, -tricarboxylic or -tetracarboxylic acid of the formula II ##STR2## wherein X is a carboxyl group or the nitrilo group, m is 1 to 3 and n is 2 to 5, or a salt thereof, and optionally further ingredients.The assistant combination of anionic dispersant and alkylenediaminedicarboxylic, -tricarboxylic or -tetracarboxylic acid imparts to the composition a cold water solubility of 30 g/l. The composition is suitable for dyeing and printing textile material, especially that made from synthetic polyamide.

Abstract: A reactive dye composition which comprises a combination of 20 to 99% by weight of a dye represented by a free acid of the formula, ##STR1## and 1 to 80% by weight of an alkylnaphthalenesulfonic acid/formaldehyde condensate having a sulfonation degree of 50 to 150% and an average condensation degree of 1.1 to 3.0, which is very readily soluble in water and aqueous alkali liquors, resistant to coagulation when prepared into a color paste for printing, and useful for dyeing or printing cellulose fiber materials yellow with a high color yield, particularly by a one-bath pad dyeing method or printing method.

Abstract: The solid dye preparations contain(a) 30-90 percent by weight of a water-soluble dye,(b) 1-25 percent by weight of an aliphatic aminocarboxylic acid or a salt thereof, and(c) 0-50 percent by weight of further additives.There is preferably at least 2% of anionic dispersing agent in the preparations.The preparations are particularly suitable for dyeing textile material made from cotton, polyacrylonitrile, wool or synthetic polyamide.

Abstract: In a process for the preparation of concentrated aqueous formulations of synthetic anionic dispersants, dilute reaction solutions of said dispersants are subjected to reverse osmosis using membranes which contain ionic groups and have a pore diameter of 1 to 500 .ANG.. The dispersant formulations have a high concentration of active ingredient. They are suitable for the preparation of pigment and dye compositions and impart excellent stability to them, e.g. at elevated temperature and against mechanical influences.

Abstract: A dye preparation consists of a water-soluble acid dye and a water-insoluble basic carrier. The carrier consists of crosslinked polymer particles of average particle diameter of less than 1 .mu.m and contains at least 2 mVal/g of quaternary ammonium or phosphonium groups. The dye reacts with the carrier in an ion exchange reaction and forms a dye polymer latex which can easily isolated in solid form, stored indefinitely and redispersed in water whenever required. It forms a so-called self-dispersing dye preparation. The dye preparation is useful for making dyed layers such as in photographic recording materials.

Abstract: The invention relates to solid dye formulations which, in addition to containing at least one anionic dye, at least one anionic dispersant, a non-ionic emulsifier and optionally further ingredients, contains 0.1 to 10% by weight, based on the final formulation, of a quaternary ammonium salt of the formula I ##STR1## wherein R.sub.1 is a C.sub.8 -C.sub.20 alkyl or C.sub.8 -C.sub.20 alkenyl group, each of R.sub.2, R.sub.3 and R.sub.4 independently of one another is a C.sub.1 -C.sub.4 alkyl group, and An.sup..crclbar. is an anion.Such formulations, which have good cold water solubility, are suitable for dyeing or printing textile material e.g. of wool or polyamide.

Abstract: Synthetic fiber materials are effectively colored by dyeing or printing with a dyestuff mixture containing at least two separate dyestuffs (I) and (II) in a weight ratio of (I):(II) of from (20 to 99):(80 to 1) wherein:(I) is at least one dyestuff of the formula ##STR1## and (II) is at least one dyestuff of the formula ##STR2## in which X and Y are the same or different and each is independently chloro and bromo:R.sup.1 and R.sup.