Abstract: Disclosed are reactive dyes, and the use thereof, according to the formula(R--U).sub.n D--(X).sub.r,in which D is the radical of a monoazo, polyazo or metal complex azo dye; U is --CO-- or --SO.sub.2 --; R is a radical of the formula ##STR1## Z is sulfatoethyl, .beta.-thiosultafoethyl, .beta.-phosphatoethyl, .beta.-acetoxyethyl, .beta.-halogenoethyl or vinyl; alk is straight-chained or branched C.sub.1 -C.sub.6 -alkylene; Y is hydrogen, chlorine, bromine, fluorine, hydroxyl, sulfato, C.sub.1 -C.sub.4 -alkanoyloxy, cyano, carboxyl, alkoxycarbonyl having 1 to 5 C-atoms, carbamoyl or a radical --SO.sub.2 --Z in which Z is as defined above; V is hydrogen or C.sub.1 -C.sub.4 -alkyl unsubstituted or substituted by carboxyl, sulfo, C.sub.1 -C.sub.2 -alkoxy, halogen or hydroxyl or is a radical ##STR2## in which Z, alk and Y are as defined above; R.sub.1 is hydrogen or C.sub.1 -C.sub.6 -alkyl; alk' are independently of each other straight-chained or branched C.sub.2 -C.sub.

Abstract: Reactive dyes of the formula ##STR1## in which D is the radical of an organic dye of the monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan, azomethine, dioxazine, phenazine, stilbene, triphenylmethane, xanthene, thioxanthone, nitroaryl, naphthoquinone, pyrenequinone or perylenetetracarbimide series, R is hydrogen or substituted or unsubstituted C.sub.1-4 -alkyl, X is a substituent which is detatchable in the form of an anion, A is arylene or C.sub.2-6 -alkylene, Y is a --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 --Z radical, Z is an inorganic or organic radical which is detachable under alkaline conditions, B is hydrogen or the radical of a substituted or unsubstituted hydrocarbon, T is a negative substituent, and n is 1 or 2, are suitable for dyeing or printing cellulose-containing and nitrogen-containing materials and produce, in high colouristic yields, dyeings and prints having good fastness properties.

Abstract: Lithium salts of anionic dyes are prepared by first converting another salt of this anionic dye in aqueous solution or suspension by means of a compound which releases calcium ions into the water-insoluble or sparingly water-soluble calcium salt of the dye, which is separated from the aqueous medium and is then converted to an aqueous suspension by treatment with lithium sulfate or lithium hydrogensulfate or a mixture thereof in an equivalent amount of each or in an excess of up to 10% into its lithium salt.

Abstract: A reactive monoazo dyestuff of the general formula [I]: ##STR1## wherein R.sup.1 and R.sup.2 each represents substituted or unsubstituted alkyl, cyclohexyl, aralkyl or substituted or unsubstituted aryl, Z represents hydrogen, chlorine, methyl or acylamino, (A) represents substituted or unsubstituted alkylene, (B) represents oxygen or --NH--, X represents fluorine or chlorine, and Y represents --NR.sup.4 R.sup.5 or --OR.sup.6 wherein R.sup.4, R.sup.5 and R.sup.6 each represents hydrogen, substituted or unsubstituted alkyl, alkenyl, cyclohexyl, aryl or aralkyl, or --NR.sup.4 R.sup.5 represents a 5- or 6-membered nitrogen-containing heterocyclic ring formed by combining R.sup.4 and R.sup.5.

Abstract: A monoazo compound, or a salt thereof, of the formula, ##STR1## wherein W is a hydrogen atom or a carbamoyl group, R.sub.1 is a lower alkyl group, R.sub.2 and R.sub.3 are independently a hydrogen atom or a lower alkyl group, A is an unsubstituted or substituted phenylene or naphthylene group, Y is --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 X is an aromatic or aliphatic group substituted with one or two members selected from sulfonic acid group and carboxylic acid group, which is useful for dyeing fiber materials to give dyed products of a characteristic yellow color excellent in various fastness properties.

Abstract: Compounds of the general formula I ##STR1## wherein R.sup.1 is hydrogen, fluorine, chlorine or bromine, R.sup.2 is hydrogen, fluorine, chlorine, bromine, or nitro, B is aliphatic or a sulfo-substituted phenylene radical, and X is a dye radical, are useful for dyeing hydroxyl-containing textile material, in particular cotton.

Abstract: Tetrakisazo compounds of the formula ##STR1## and salts thereof, whereinB is ##STR2## wherein B.sub.1 is a bridging radical as defined in the specification,R.sub.7 is hydrogen or C.sub.1-4 alkyl,R.sub.8 is hydrogen or C.sub.1-4 alkyl, andeach Y is independently halo, hydroxy, amino, hydroxyamino, C.sub.1-4 alkoxy, phenoxy, substituted phenoxy, an aliphatic, cycloaliphatic or aromatic amine radical or a saturated heterocyclic amine radical,each D is independently mono-, di- or tri-sulfonaphthyl or ##STR3## wherein R.sub.2 is hydrogen, halo, carboxy, C.sub.1-4 alkyl, C.sub.1-4 haloalkyl, C.sub.1-4 alkoxy, --COOR.sub.4, (C.sub.1-4 alkyl)carbonylamino or (C.sub.1-4 alkoxy)carbonylamino, wherein R.sub.4 is C.sub.1-4 alkyl, phenyl, benzyl or phenyl or benzyl substituted by 1 or 2 substituents selected from halo, C.sub.1-4 alkyl and C.sub.1-4 alkoxy,R.sub.3 is hydrogen, halo, hydroxy, C.sub.1-4 alkyl or C.sub.1-4 alkoxy, andm is 0, 1 or 2,each M is independently ##STR4## wherein R.sub.5 is hydrogen, halo, C.sub.

Abstract: Copper complexes of disazo dyestuffs of the formula ##STR1## wherein R, Z, K and A have the meaning given in the description, and their use for dyeing and printing materials containing hydroxyl groups or amide groups, such as textile fibres, filaments and fabrics of wool, silk or synthetic polyamide or polyurethane fibres, and for dyeing and printing natural or regenerated cellulose in shades which are fast to washing.

Abstract: Water-soluble fibre-reactive dyestuffs containing one or two fibre-reactive groups of the vinylsulfone series and one or two fibre-reactive groups of the fluoro-s-triazinyl-amino series. These dyestuffs can be applied on fibre materials containing hydroxy and/or carbonamide groups by known application and fixation techniques for fibre-reactive dyes to yield deep and fast dyeings on these materials.

Abstract: A monoazo compound represented by a free acid of the formula: ##STR1## wherein R.sub.1 and R.sub.2 independently represent a hydrogen atom, or an alkyl, aralkyl or cyclohexyl group; R.sub.3 represents a hydrogen atom or a methyl or sulfonic acid group; R.sub.4 represents a hydrogen atom or an alkyl group; A represents an oxygen atom or --NH--; X.sub.1 and X.sub.2 independently represent a hydrogen or chlorine atom, or a methyl, methoxy, carboxyl or sulfonic acid group; and Y represents --CH.dbd.CH.sub.2 or --CH.sub.2 CH.sub.2 Z in which Z represents a halogen atom, --OSO.sub.3 H or --OPO.sub.3 H.sub.2. This compound is used for dyeing cellulose fibers to give dyed products of yellow to reddish yellow having excellent fastnesses, particularly chlorine fastness.

Abstract: The invention provides new reaction dyestuffs of the formula ##STR1## where n and m are each 0 or 1 such that n+m=1 or 2 and whereG is a radical of the formula ##STR2## wherein B is a direct bond between D or D' and X or represents a bridge member as described in the specification,X is S, SO or SO.sub.2,Y is optionally substituted alkylene,R is H, optionally substituted C.sub.1 -C.sub.4 -alkyl or optionally substituted C.sub.2 -C.sub.4 -alkylene or optionally substituted phenylalkylene,Z is a fibre-reactive radical, and whereD and D' are as defined in the body of the Application.On hydroxyl- or amide-containing textile materials the new reactive dyestuffs produce prints and dyeings of a high fastness level.

Abstract: Reactive pyridone azo dyestuffs of the general formula [I]: ##STR1## wherein D represents ##STR2## represents phenylene optionally substituted by lower alkyl, lower alkoxy, trifluoromethyl or halogen, ##STR3## represents phenylene optionally substituted by lower alkyl, lower alkoxy, halogen or acetylamino,--A--represents --CH.sub.2 --, --C.sub.2 H.sub.4 --, --OC.sub.2 H.sub.4 --, ##STR4## --SO.sub.2 NHC.sub.2 H.sub.4 --or --SO.sub.2 C.sub.2 H.sub.4 --, --X represents hydrogen, lower alkyl, lower alkoxy, nitro, trifluoromethyl or halogen,--Y represents alkyl, aryl or aralkyl optionally substituted by lower alkoxy or phenoxy,--Z--represents a connecting group of --O--or --S--,--V represents --CN or --CONH.sub.2,--W represents a 6-membered nitrogen-containing heterocyclic ring having at least one active halogen atom, andn represents 0 or 1.These reactive pyridone azo distuffs give dyeings which are yellowish to reddish orange in color which have excellent light fastness.

Abstract: A pyridone compound of the following formula, or a salt thereof, ##STR1## wherein R.sub.1 and R.sub.2 are independently a hydrogen atom or a lower alkyl group having up to 4 carbon atoms, X is a hydrogen atom or a methyl or sulfo group, A is an unsubstituted or substituted phenylene or naphthylene group, and Y is --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. The compound is useful for dyeing or printing fiber materials to give a dyed product of a brilliant yellow color excellent in various fastness properties with good reproducibility.

Abstract: A process for the preparation of dyes of the formula ##STR1## in which D is a dye radical and R.sub.1 and R.sub.2 independently of one another is hydrogen or C.sub.1-4 -alkyl, which comprises reacting cyanuric fluoride of the formula ##STR2## simultaneously with a dye of the formula ##STR3## and with an ammonium salt of an amine of the formulaH.sub.2 N--R.sub.2 (4)in a neutral to alkaline medium, to give dyes of the formula (1) as single compounds in good yields in one operation. The novel process has the advantage of being able to be carried out as a "one-pot process" in a closed reaction vessel so that the apparatus is simple and immission by cyanuric fluoride is excluded.

Abstract: The invention provides reactive dyestuffs of the formula ##STR1## wherein X is a fibre-reactive group of the triazine or pyrimidine series; R.sub.3 and R.sub.4 are each hydrogen; n is 0 or 1; and k is a pyridone or pyrimidone coupling component; the dyestuffs are particularly suitable for dyeing and printing natural and regenerated cellulose fibre materials and synthetic polyamide fibre materials.

Abstract: A metal free azo dyestuff of the formula ##STR1## in which K is the radical of a coupling component of pyridone, andR.sub.3 and R.sub.4 each independently is hydrogen; C.sub.1 -C.sub.6 -alkyl; C.sub.1 -C.sub.6 -alkyl substituted by OH, SO.sub.3 H, COOH or OSO.sub.3 H; phenyl; naphthyl; or phenyl or naphthyl substituted by SO.sub.3 H or COOH.

Abstract: Diaminopyridine-based azo dyes for cellulose-containing fibers, represented by the following formula: ##STR1## and the other is hydrogen, phenyl, benzyl, allyl, or alkyl which are unsubstituted or substituted by hydroxyl or lower alkoxy(whereinA is methylene, ethylene, propylene, or 1,3-butylene;n is 0 or 1;Y.sup.1 and Y.sup.2, which are the same or different, are hydrogen, alkyl, alkenyl, cyclohexyl, aryl, or aralkyl which are unsubstituted or substituted by cyano, hydroxy, lower alkoxy, or dialkylamino, or Y.sup.1 and Y.sup.2 together form a 5- or 6-membered heterocyclic ring (NY.sup.1 Y.sup.2) containing one nitrogen, the total number of carbon atoms of Y.sup.1 and Y.sup.2 being 18 or less;R.sup.1 is nitro, cyano, methylsulfonyl, phenylsulfonyl, mono-lower alkylaminosulfonyl, di-lower alkylaminosulfonyl, acetyl, or benzoyl;R.sup.2 and R.sup.3, which are the same or different, are hydrogen, trifluoromethyl, halogen, or cyano;R.sup.

Abstract: The invention relates to reactive dyes of the formula ##STR1## wherein R.sub.1 is hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 alkyl or phenyl, R.sub.2 is hydrogen or unsubstituted or substituted C.sub.1 -C.sub.4 alkyl, R.sub.3 is hydrogen, cyano, carbamoyl or sulfomethyl, R.sub.4 and R.sub.5 are each independently hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen, carboxy or sulfo, X is fluorine, chlorine or bromine, and Z is an unsubstituted or substituted benzthiazolyl-(2)-phenyl radical, which are suitable for dyeing or printing cellulosic fibers and produce brilliant greenish yellow dyeings.

Abstract: Diaminopyridine dyes for dyeing cellulose-containing fibers, particularly cellulose fibers and polyester-cellulose fibers in from orange to bluish red, with excellent fastness to light. The dyes are represented by the formula (I): ##STR1## X is a hydrogen atom, or a halogen atom; Y is an alkoxy group containing from 1 to 5 carbon atoms, --O--R.sup.10 --O--R.sup.11, or a phenoxy group; andn is 2 or 3, and wherein R.sup.1 is a nitro group, a cyano group, a methylsulfonyl group, a phenylsulfonyl group, a mono- or di-lower alkylaminosulfonyl group, an acetyl group, or a benzoyl group; R.sup.2 and R.sup.3 are each a hydrogen atom, a trifluoromethyl group, a halogen atom, or a cyano group; R.sup.4 is a hydrogen atom, a lower alkyl group, a mono- or di-lower alkylaminosulfonyl group, a mono- or di-lower alkylcarbamoyl group, or an acetylamino group; R.sup.5 and R.sup.6 are each a hydrogen atom, a halogen atom, or a lower alkyl group; R.sup.7 is a lower alkyl group; R.sup.8 is a hydrogen atom or a halogen atom; R.