Abstract: A chromium complex dye of the formula ##STR1## and salts thereof are used for dyeing polyamides or leather.

Abstract: Metal-free compounds of the formula ##STR1## 1:1 and 1:2 metal complexes thereof, and acid addition salts of metal-free compounds of said formula and 1:1 and 1:2 metal complexes thereof, whereinB is hydrogen; C.sub.1-4 alkyl; C.sub.1-4 alkyl monosubstituted by C.sub.1-4 alkoxy; C.sub.2-4 alkyl substituted by hydroxy; C.sub.5-6 cycloalkyl; C.sub.5-6 cycloalkyl substituted by 1 to 3 C.sub.1-4 alkyl groups; phenyl(C.sub.1-3 alkyl); phenyl(C.sub.1-3 alkyl) the phenyl group of which is substituted by 1 to 3 substituents selected from C.sub.1-4 alkyl, C.sub.1-4 alkoxy and halo; --A--NH--R.sub.2 ; --A'.sub.4 --N(R.sub.7).sub.2 ; --A.sub.4 --N.sup..sym. (R.sub.8).sub.2 R.sub.9 A.sup..crclbar. or --N(R.sub.7).sub.2,R is hydrogen; C.sub.1-4 alkyl; C.sub.5-6 cycloalkyl; C.sub.5-6 cycloalkyl substituted by 1 or 2 C.sub.

Abstract: An aqueous liquid dye composition comprising 5 to 50% by weight of a reactive dye represented by the following formula, ##STR1## wherein D denotes a sulfo group-containing organic dye residue, R.sub.1 and R.sub.2 independently of one another denote a hydrogen atom or a C.sub.1 to C.sub.4 alkyl group unsubstituted or substituted with a halogen atom or a hydroxyl, cyano, C.sub.1 to C.sub.4 alkoxy, carboxy, carbamoyl, C.sub.1 to C.sub.4 alkoxycarbonyl, C.sub.1 to C.sub.4 alkylcarbonyloxy, sulfo or sulfamoyl group, A denotes a phenylene group unsubstituted or substituted with one or two members selected from methyl, ethyl, methoxy, ethoxy, chlorine, bromine and sulfo, or a naphthylene group unsubstituted or substituted with one sulfo group, X denotes a halogen atom, and Y is a group of --SO.sub.2 CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z in which Z is a splittable group by the action of an alkali, 0.1 to 10% by weight of .epsilon.

Abstract: Metal-free compounds of the formula, ##STR1## and 1:1 copper complexes of metallizable metal-free compounds of said formula and internal and external salts of metal-free compounds of said formula and of 1:1 copper complexes of metallizable metal-free compounds of said formula, whereineach Q is independently linear or branched C.sub.2-6 alkylene; linear or branched C.sub.2-6 alkylene interrupted by --O--, --S-- or --NR.sub.4 --; linear or branched C.sub.3-6 alkylene monosubstituted or disubstituted by hydroxy or --*NHCO--CH.sub.2 --, wherein the * denotes the atom attached to the --NR.sub.4 -- radical,each R.sub.1 is independently hydrogen, halo, nitro, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, (C.sub.1-4 alkyl)carbonylamino, --SO.sub.2 NR.sub.3 R.sub.4, --CONR.sub.4 --C.sub.6 H.sub.5 or benzamido,R.sub.2 is hydrogen, hydroxy, halo, nitro, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, (C.sub.1-4 alkyl)carbonylamino or --NHCONR.sub.3 R.sub.4,X is --NR.sub.5 R.sub.6 or --N.sup..sym. R.sub.7 R.sub.8 R.sub.9 An.sup..crclbar.

Abstract: A process for dyeing a mixed fibrous substrate comprising applying to the substrate at least one disperse dye and at least one metal containing direct and/or reactive dye in the presence of a complexing agent having a stability constant K value with the metal of the direct or reactive dye of from 6 to 17 inclusive.

Abstract: Liquid water-containing concentrated reactive dye-stuff preparations of monofluorotriazinyl reactive dye-stuffs with a pH value of at least 8, preferably 8.5-10, are stable on storage and display no noticeable hydrolysis, even after prolonged storage.

Abstract: Complexes of the formula ##STR1## or a water-soluble salt thereof each cation of which is independently a non-chromophoric cation, wherein X is chloro or hydroxy,m is 1 or 2, andn is 0 or 1, with the proviso that m + n is 2, with the proviso that one of the asterisked bonds is in the 1-position and the other asterisked bond is in the 2-position, and mixtures thereof, are useful for dyeing or printing hydroxy group- or nitrogen-containing organic substrates, preferably textile material consisting of or containing cellulose fibers, most preferably cotton, alone or blended with other suitable textile fibers. The resulting dyed or printed textile material may be aftertreated with a polymeric polybasic amino compound in order to improve the wet fastness of these dyeings and printings.

Abstract: An aqueous liquid dye composition improved in storage stability, which comprises a bifunctional reactive dye of the following formula, ##STR1## wherein D is an organic dye residue having at least one sulfonic acid group, R.sub.1 and R.sub.2 are independently a hydrogen atom or an unsubstituted or substituted lower alkyl group, A is an substituted or substituted phenylene or naphthylene 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.2 Z, in which Z is a splittable group by an alkali, in an amount of 5 to 50% by weight based on the weight of the liquid dye composition, the liquid dye composition having a pH value of from 3 to 7.

Abstract: Process for dyeing cellulose fibers or cellulose blend fibers, which comprises dyeing the fibers mentioned with water-soluble reactive dyes which contain in the dye molecule at least once the structural element of the formula ##STR1## in which Y denotes a hydroxyl, hydroxymethyl, alkoxy C.sub.1 -C.sub.4, aldehyde, carboxamide, monoalkyl C.sub.1 -C.sub.4 -carboxamide, dialkyl C.sub.1 -C.sub.4 -carboxamide, monophenyl carboxamide, cyano, alkyl C.sub.1 -C.sub.4 -oxycarbonyl or sulfo group or a halogen atom, in an aqueous medium within the pH range 4-11.

Abstract: High molecular weight organic material is effectively colored by the incorporation therein of a copper or nickel complex of the ligand compound of formula I ##STR1## wherein A is an isocyclic or heterocyclic aromatic moiety, R is H, halogen, lower alkyl or alkoxy, R.sub.1 is H, lower alkyl, phenyl or substituted phenyl, and B is H, lower alkyl, ureido or substituted ureido, guanidino, anilino, benzamido or a heterocyclic aromatic moiety.

Abstract: A new storage-stable solution of the reactive dyestuff of the formula ##STR1## wherein CuPc=the radical of a Cu phthalocyanine dyestuff,m=1, 2 or 3,n=1, 2 or 3,m+n=3 to 4 andM.sup..sym. =H.sup..sym., an alkali metal cation or an ammonium ion,is provided.The storage-stable solution according to the invention is characterized in that it contains 10-35% by weight of reactive dyestuff (1), 10-30% by weight of solubilizing agent, 0-10% by weight of anionic dispersing agent, 0-7% by weight of inorganic salts, such as Na.sub.2 SO.sub.4, Li.sub.2 SO.sub.4 and the like, and 0.1-3% by weight of buffer (pH 4-7), the remainder to make up to 100% by weight being water.

Abstract: A process is described for separating sodium sulfate from aqueous solutions of certain fiber-reactive dyestuffs, which contain less than 2% by weight of chloride, by cooling down said solution to a temperature between +5.degree. C. and -15.degree. C. In the course of the cooling, the sodium sulfate precipitates in the form of the decahydrate and can be separated off in conventional manner, for example by filtration. The results obtained in this way are aqueous liquid low-salt preparations of these dyestuffs which contain less than 4% by weight of sodium sulfate.

Abstract: The novel asymmetric 1:2 chrome complex dyes of the formula I given in claim 1 are suitable in particular for dyeing wool or polyamide and especially leather.

Abstract: Disclosed is a method for dyeing sueded wool- or fur-bearing skins tone-in-tone in a single bath and in one step. The dyeing is carried out with reactive dyestuffs bearing at least one reactive group selected from acryloylimino, halogenoacryloylimino and .beta.-halogenopropionylimino, in the presence of non-ionic or anionically modified polyalkoxylated surfactants.

Abstract: The invention describes a process for dyeing or printing natural or synthetic polyamide fibre material by a rapid fixation method, which comprises the use of dyes or mixtures of dyes of the formulae as defined in the description in a continuous dyeing method or printing method, and fixing the dyes or prints by steaming for less than 3 minutes such that at least 95% fixation of the dyes is achieved. The process is particularly suitable for combination dyeing and polyamide carpet printing, and produces level dyeings and prints having excellent fastness properties.

Abstract: Process for mass-coloring nylon in dark brown, dark violet and black shades, which comprises using as dye either mixtures of the 1:2 chromium complex of a monoazo dye of the formula I ##STR1## and the 1:2 chromium complex of a monoazo dye of the formula II ##STR2## or a mixed 1:2 chromium complex of a monoazo dye each of the formula I and the formula II in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are as defined in claim 1.

Abstract: A process for dyeing paper which comprises the use of dyes of the formula ##STR1## wherein R is hydrogen, hydroxyl or amino, X is the azoxy or azo group, and n is 1 or 2, and the bonds of the complexing oxygen atom in the .alpha.-position and of the azo group in the .beta.-position at the naphthalene nuclei are mutually interchangeable. Dyeings of good wetfastness and lightfastness are obtained.

Abstract: The dyes of the formula I given in claim 1 are suitable for dyeing furs and especially leather.They are preferably used in admixture with one or more suitable yellow, blue or red dyes for dyeing leather in dark shades.

Abstract: A phthalocyanine compound which is represented by a free acid of the following formula, ##STR1## wherein Pc is a metal-free or metal-containing phthalocyanine residue, W is a group of ##STR2## in which R' and R" are independently a hydrogen atom or a methyl or ethyl group, and n is an integer of from 2 to 6, R is an unsubstituted or substituted lower alkyl group, A is an unsubstituted or substituted phenylene or naphthylene group, Y is a group of --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, a is a positive number of from 1 to 3, and b and c are independently a positive number of from 0 to 3, provided that a, b and c statisfy 0<a+b+c.ltoreq.4, and which is useful for dyeing or printing fiber materials, particularly cellulose fiber materials, to give a dyed or printed product of a brilliant turquoise blue color excellent in various fastness, particularly light fastness and wet fastness.

Abstract: Chrome-complex dyes of the formula (I) ##STR1## wherein the phenyl groups A and B independently of one another are each unsubstituted or are mono- or disubstituted by chlorine, methyl, ethyl, methoxy or ethoxy, and wherein Me.sup..sym. is a cation.The dyes are suitable for dyeing nitrogen-containing materials, particularly for dyeing wool in orange shades.

Abstract: Chrome-complex dyes of the formula (I) ##STR1## wherein the phenyl groups A and B independently of one another are each unsubstituted or are mono- or disubstituted by chlorine, methyl, ethyl, methoxy or ethoxy, and wherein Me.sup..sym. is a cation.The dyes are suitable for dyeing nitrogen-containing materials, particularly for dyeing wool in orange shades.

Abstract: The dyes of the formula I indicated in patent claim 1 are suitable for dyeing furs and especially leather. They are preferably used as a mixture with a blue dye and a yellow dye for dyeing leather by the trichromatic process.

Abstract: New copper-complex formazan compounds of the general formula: ##STR1## in which A is a phenylene or naphthylene radical which can be substituted by halogen, nitro, lower alkyl, lower alkoxy, lower alkylsulfonyl, phenylsulfonyl and optionally alkylated sulfonamide groups and can also be substituted by the radical Z, defined below, B is a straight-chain or branched-chain alkyl group or alkenyl group, which can be substituted by an optionally substituted phenyl radical, or is a phenyl or naphthyl radical, which can be substituted by halogen, lower alkyl, lower alkoxy and lower carbalkoxy, or is the radical or a furan, thiophene, pyrrole, imidazole, indole, pyrazole, pyridine, pyrimidine, quinoline or benzimidazole, it being possible for B likewise to be substituted by the group Z, defined below, Z denotes a group which confers solubility in water, such as the carboxyl group or sulfo group, one to three of which are bonded to A and/or B, Cu is a copper atom, X denotes an oxygen atom or a carbonyloxy group and is

Abstract: Reactive dyestuffs of the formula ##STR1## wherein D, R, R.sub.1, R.sub.2, n, p, R.sub.3, R.sub.4 and m have the meaning indicated in the description,and their use for dyeing and printing various materials, above all materials containing hydroxyl groups, such as cotton, linen, cellulose or regenerated cellulose.

Abstract: This invention relates to novel copper complex formazan compounds of the formula ##STR1## in which M is hydrogen or the equivalent of a metal and R is hydrogen or chlorine. The invention also relates to a process for their manufacture. The compounds can be used as dyestuffs, in particular fiber reactive dyestuffs for dyeing cellulose fiber materials, wool, or synthetic polyamide fiber materials for example, on which they exhibit intense blue dyeings having good fastness properties.

Abstract: The isoindoline-azine nickel complex of the formula ##STR1## colors plastics, lacquers and printing inks in yellow shades of outstanding fastness properties.