Abstract: The present invention relates to new azo dyes, a process for their preparation, and their use for dyeing or printing fibrous materials, to produce materials with brownish shades.

Abstract: The present invention relates to dyes of the formula (I) in which R1 to R10, D1 and D2 are defined as given in claim 1, a process for preparing them, and their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.

Abstract: Reactive dye mixtures comprising at least one red dyeing dye and at least one blue, yellow, orange or brown dyeing dye and their use in methods for the dichromatic or trichromatic dyeing or printing of cellulosic fiber materials are described. The reactive dye mixtures yield dyeings or prints having good reproducibility and good all-round fastness properties.

Abstract: The present invention relates to dye mixtures which comprise at least one dye of the formula (I) and at least one dye of the formula (II) in which R1, R2, R3, and X are defined as stated in claim 1, to processes for their preparation, and to their use.

Abstract: The invention relates to the dyeing of keratin materials using phenylpyrido[1,2-a]indolinium-derived thiol and disulfide fluorescent dyes. The invention relates to a dye composition comprising a phenylpyrido[1,2-a]indolinium-derived-chromophore thiol or disulfide dye and to a dyeing process with a lightening effect on keratin materials, in particular keratin fibers, especially human keratin fibers, such as the hair, using said composition. It similarly relates to novel phenylpyrido[1,2-a]indolinium-derived-chromophore thiol dyes and to the uses thereof in lightening keratin materials. This composition makes it possible to obtain a coloring with a lightening effect which is particularly resistant and visible on dark keratin fibers.

Abstract: The subject of the present invention is dye composition for keratin fibers, comprising, in suitable dyeing medium, a coupler of formula (I) or addition salts thereof with an acid a particular cationic or noncationic aminopyrazolopyridine derivative. The composition of the present invention makes it possible in particular to obtain a coloring with varied, intense and/or chromatic, aesthetic and relatively nonselective shades which are highly resistant to the various attacks to which the hair may be subjected.

Abstract: An azo pigment showing excellent coloring characteristics such as tinctorial strength and hue and excellent fastness such as light fastness, and a pigment dispersion containing the azo pigment are provided. An azo pigment represented by the following general formula (1) and a pigment dispersion containing the pigment: Wherein Y, G, X1, X2, R1, R2 and R3 are defined in the claims and in the specification.

Abstract: An azo pigment of formula (1), a tautomer of the azo pigment, or a salt or hydrate thereof, are provided: G0 and G1 each is a non-metal atomic group which can form a 5- or 6-membered heterocyclic ring, The rings may be monocyclic or condensed and are optionally substituted. X is a hetero atom. n is an integer of 1 to 4. When n=2, 3, or 4, the compound is a dimer, trimer, or tetramer, respectively. A is a substituent. The azo pigment has excellent coloring characteristics such as high tinctorial strength and hue. It also has excellent durability including high resistance to light and ozone. A pigment dispersion containing the azo pigment and a coloring composition are also provided.

Abstract: An azo pigment represented by the following general formula (1), a tautomer of the azo pigment, and a salt or a hydrate thereof: wherein each of R1, R2, P1, P2, Q1, and Q2 independently represents a hydrogen atom or a substituent, G represents the non-metallic atoms necessary to complete a 5- to 6-membered heterocyclic group, W represents a substituent capable of binding to the heterocyclic group constituted by G, t represents an integer of from 0 to 4, each of Het-1 and Het-2 independently represents a group selected from specific aromatic heterocyclic groups.

Abstract: Dye mixtures, comprising at least one dye of formula and at least one dye from the group of formulae wherein the substituents are defined in the specification.

Abstract: The present invention relates storage stable aqueous dye solutions comprising a) 5 to 30% by weight of a dye of the formula in which K is a residue of a coupling component of the acetoacetanilide, pyridone, pyrazolone or pyrimidine series and M is hydrogen, an alkali metal or alkaline earth metal, ammonium or alkyl ammonium, b) 0.05 to 5% by weight of one or more compounds of the formula or a residue of the formula in which A, X, Y, R, P and Q are defined herein, c) an organic or an inorganic base or mixtures thereof, d) if desired, further additives and e) water, a process for their preparation and the use thereof for the dyeing, in particular of paper.

Abstract: Provided is a one-part hair dye composition containing (A) one or two or more compounds represented by the formula (1), (B) an antioxidant composed of a combination of ascorbic acid or salt thereof and sulfurous acid or salt thereof, (C) a nonionic surfactant, and (D) a thickening polymer; and having a pH of from 8 to 11; and a method of controlling hair color by adjusting an (ascorbic acid or salt thereof)/(sulfurous acid or salt thereof) weight ratio in Component (B) of the composition: (wherein, a broken line: the presence or absence of a ? bond, R1: OH or acetoxy, R2: H, —COOR (R: H, CH3 or C2H5) or —COO?X+ (X+: cation), and R3: H, acetyl, CH3 or C2H5).

Abstract: A one-part hair dye composition containing (A) one or more compounds represented by the formula (1), (B) a silicone, and (C) a polyol, wherein the composition has a pH of from 8 to 11, wherein, a broken line represents the presence or absence of ? bond, R1 represents OH or acetoxy, R2 represents H, —COOR (R representing H, CH3 or C2H5) or —COO?X+ (X+ representing a cation), and R3 represents H, acetyl, CH3 or C2H5.

Abstract: Disclosed herein is a composition for the dyeing of keratin fibers, for example, human keratin fibers such as the hair, comprising at least one 3-amino pyrazolo-[1,5-a]-pyridine derivative or one of its addition salts and a method employing this derivative. The composition of the present disclosure makes it possible to obtain coloration in various shades that is powerful, chromatic, and aesthetic, with low selectivity and with good resistance to various aggressive factors to which the hair may be subjected, such as shampoos, the light, sweat and permanent shaping.

Abstract: Provided are a one-part hair dye composition containing (A) a combination of 5,6-dihydroxyindole and 5,6-dihydroxyindole-2-carboxylic acid, (B) either one of (b1) ascorbic acid or salt thereof or (b2) sulfurous acid or salt thereof, and (C) an alkali agent and having a pH of from 8 to 11; and a method of selecting the kind of Component (B), thereby controlling a hair color upon dyeing the hair.

Abstract: A reactive trichromatic set comprising (a) at least one of the following reactive red dye of formula (I), wherein R1, R2, R3, X, D, Z, and n are defined the same as in the specification; (b) at least one reactive yellow dye selected from the following Color Index; C.I. Reactive Yellow 145 and C.I. Reactive Yellow 176; and (c) at least one reactive blue dye selected from the following Color Index; C.I. Reactive Blue 194, C.I. Reactive Blue 221 and C.I. Reactive Blue 222.

Abstract: Disclosed herein are methods for coloring keratinous fibers comprising applying to the fibers a dyeing composition comprising at least one aminopyrazolopyridine base, said coloring method being performed without the addition of chemical oxidizing agents.

Abstract: Reactive dye mixtures which comprise one or more dyes of the indicated general formula (I) and one or more dyes of the hereinbelow indicated and defined general formula (II) where D1, D2, D3, R0, R*, R**, T, b, f, v and M are each as defined in claim 1, the dyes of the general formulae (I) and (II) containing at least one fiber-reactive group of the formula —SO2-Z or -Z2, their preparation and their use for dyeing and printing hydroxyl- and/or carboxamido-containing fiber material.

Abstract: Disclosed herein is a composition for the dyeing of keratin fibers, for example, human keratin fibers such as the hair, comprising at least one 3-amino pyrazolo-[1,5-a]-pyridine derivative or one of its addition salts and a method employing this derivative. The composition of the present disclosure makes it possible to obtain coloration in various shades that is powerful, chromatic, and aesthetic, with low selectivity and with good resistance to various aggressive factors to which the hair may be subjected, such as shampoos, the light, sweat and permanent shaping.

Abstract: Disclosed herein is a mixed cationic direct dye comprising at least one anthraquinone chromophore and at least one cationic chromophore chosen from cationic azo chromophores and cationic hydrazone chromophores, wherein the at least one anthraquinone chromophore is bound to the at least one cationic chromophore by means of at least one linkage. Also disclosed herein is a dyeing composition comprising at least one mixed cationic direct dye. Further disclosed herein is a method of dyeing of keratin fibers, for example, keratin fibers, comprising applying said dyeing composition to the keratin fibers. Still further disclosed herein is a multi-compartment kit comprising at least one compartment comprising at least one dye composition and at least one second compartment comprising at least one oxidizing agent.

Abstract: The present disclosure relates to a composition for the dyeing of keratin fibers, such as the hair, comprising at least oneoxidation base chosen from cationic 3-amino pyrazolo-[1,5-a]-pyridine derivatives and addition salts thereof, and a method employing this composition. The present disclosure also relates to cationic 3-amino pyrazolo-[1,5-a]-pyridine derivatives and the addition salts thereof.

Abstract: Disclosed herein are compositions for dyeing keratinous fibers comprising, in an appropriate dyeing medium, at least one aminopyrazolopyridine oxidation base chosen from those of formula (I), wherein it is understood that at least one of the groups R?1, and R?2 is chosen from cationic radicals; at least one coupler and at least one C4-C30 polyol. Dyeing methods and multi-compartment devices for use thereof.

Abstract: Reactive dyes of formula wherein Q1 and Q2 are each independently of the other hydrogen or unsubstituted or substituted C1-C4alkyl, D1 is the radical of a diazo component, which is itself a mono- or dis-azo dye or contains such a dye, D2 has the same definition as D1 or is a radical of formula wherein (Q3)0-3 denotes from 0 to 3 identical or different substituents selected from the group halogen, C1-C4alkyl, C1-C4alkoxy, carboxy and sulfo and Z1 is a radical of formula —SO2—Y ??(3a), —NH—CO—(CH2)m—SO2—Y??(3b), —CONH—(CH2)n—SO2—Y??(3c), —NH—CO—CH(Hal)-CH2-Hal??(3d) or —NH—CO—C(Hal)=CH2??(3e), Y is vinyl or a —CH2—CH2—U radical and U is a group that is removable under alkaline conditions, m and n are each independently of the other the number 2, 3 or 4, and Hal is halogen, are suitable for dyeing cellulosic or amide-group-containing fibre materials.

Abstract: Compounds of the general formula (I) a process for their preparation and their use for dyeing and/or printing organic substrates.

Abstract: The present invention relates to processes for mono-, di- or trichromatic dyeing or printing of natural or synthetic polyamide fiber materials, these processes utilizing a) blue-dyeing dye mixture, b) a red-dyeing dye mixture and/or c) a yellow-dyeing dye mixture, and also blue-dyeing, red-dyeing and yellow-dyeing dye mixtures and processes for their preparation.

Abstract: Reactive dye mixtures comprising one or more dyes of the general formula (I), one or more dyes of the general formula (II) and optionally one or more dyes of the general formula (III) where D1, D2, D3, D4, D5, R0, R*, R**, T, b, f, v, and M are as defined in claim 1, the dyes of the general formulae (I)-(III) containing at least one fiber-reactive group of the formula —SO2-Z or -Z2, are prepared and used for dyeing hydroxyl- and/or carboxamido-containing fiber material.

Abstract: Reactive dye mixtures which comprise one or more dyes of the indicated general formula (i) and one or more dyes of the hereinbelow indicated and defined general formula (II) where D1, D2, D3, R0, R*, R**, T, b, f, v and M are each as defined in claim 1, the dyes of the general formulae (I) and (II) containing at least one fiber-reactive group of the formula —SO2-Z or Z2, their preparation and their use for dyeing and printing hydroxyl- and/or carboxamido-containing fiber material.

Abstract: The present invention relates to processes for mono-, di- or trichromatic dyeing or printing of natural or synthetic polyamide fiber materials, these processes utilizing a) blue-dyeing dye mixture, b) a red-dyeing dye mixture and/or c) a yellow-dyeing dye mixture, and also blue-dyeing, red-dyeing and yellow-dyeing dye mixtures and processes for their preparation.

Abstract: The present invention relates to novel yellow anionic dyes, a process for their preparation, certain novel intermediates for their preparation and the use of these dyes for dyeing natural or synthetic materials, in particular, paper.

Abstract: The invention relates to novel diaminopyrazole having formula (I), wherein: R1, R2, identical or different, represent a C3 C5 mono- or polyhydroxyalkyl, isopropyl, n-propyl or ethyl group, said groups being linear or branched, and their physiologically acceptable salts. The invention also relates to a composition for dyeing keratinous fibres containing a compound having formula (I) and the method for using same.

Abstract: The invention relates to novel diaminopyrazole compounds having formula (I): wherein R1 represents a linear or branched C4-C5 alkyl or n-propyl group, or a linear or branched C3-C5 mono or polyhydroxy alkyl group, and the addition salts thereof with a physiologically acceptable acid. The invention also relates to the compositions containing such a compound for the dyeing of keratinous fibres and the method for using said compositions.

Abstract: Process for treating dyed human keratin fibres, in which the fibres are washed with a washing composition (B) containing at least one amphoteric surfactant and at least one nonionic surfactant chosen from alkylpolyglucosides and monoglycerolated or polyglycerolated surfactants. The invention also relates to a kit for performing this process.

Abstract: The object of the invention is an agent for the oxidative dyeing keratin fibers, wherein it contains (a) at least one 4,5-diaminopyrazole derivative of Formulas (I), (II) or (III) or its salt with organic or inorganic acids as well as (b) at least one resorcinol derivative of the general Formula (IV)

Abstract: The invention concerns the use of indoline derivatives of formula (I): in which R1, R2, R3, R4 and R5 independently of one another represent hydrogen or C1-4 alkyl groups, or R4 and R5 together with the oxygen atoms to which they are attached represent a C1-4 alkylenedioxy group, or of salts of such indoline derivatives, as additives to hair dyeing agents of the direct dyeing or primary intermediate/secondary intermediate type, thus producing hair dyeing with excellent color fastness characteristics.

Abstract: The object of the invention is an agent for oxidatively dyeing keratin fibers, wherein it contains (a) at least one 4,5-diaminopyrazole derivative of Formula (I), (II) or (III) or its salt with organic or inorganic acids, as well as (b) at least one pyrazol-5-one derivative of the general formula (IV), (V) or (VI), or its salt with organic or inorganic acids,

Abstract: In the method of temporarily coloring and later decoloring hair a hair colorant is applied and allowed to remain on the hair for an exposure time of 10 to 45 minutes at 20 to 50° C. and then rinsed out. Then at a later time, as desired, the hair is decolorized. The aqueous hair colorant contains 0.01 to 5 percent by weight of at least one dye compound of formula (IV), or a physiologically tolerated salt thereof; wherein n=0, 1 or 2 and R1 represents a C1- to C4-alkyl group, a hydroxyethyl group, a dihydroxypropyl group, a methoxyethyl group, a carboxyethyl group, a C1- to C4-sulfoalkyl group, an unsubstituted or substituted phenyl radical with halogen, sulfonic or carboxylic acid substituents; R2 represents a hydrogen, a methyl group, a carboxylic acid group, a carboxylic acid group esterified with a C1- to C4-alcohol or a carboxamido group; and Y represents an aromatic five-membered heterocyclic ring, which may or may not be benzoanellated.

Abstract: Method of marking a surface of an object by means of a laser light beam.A description is given of a method of decorating or marking, for example, synthetic resin objects by means of an UV-laser or IR-laser by coating the object with a layer of a dye precursor and a coupler in a binder. For the precursor use is made of a heterocyclic mono- or bis-arylsulphonylhydrazone and for the coupler use is made of, for example, an indole, aniline, pyrazoline or malonitrile, so that after irradiation with UV-laser light or IR-laser light an azo-dye (XXX) is formed.

Abstract: Azo dyes useful for dyeing natural or synthetic substrates have the formula ##STR1## where n is from 1 to 4,q is 1 or 2,L.sup.1 is hydrogen or C.sub.1 -C.sub.3 -alkyl,L.sup.2 is acetyl, carbamoyl or hydroxysulfonyl, andD is the radical of a diazo component.

Abstract: A disperse monoazo dye of the formula: ##STR1## wherein each of R and R.sup.3 represents a lower alkyl radical, R.sup.1 represents a lower alkyl or C.sub.3 -C.sub.6 alkenyl radical andR.sup.2 represents a C.sub.2 -C.sub.6 alkyl radical carrying a hydroxy or acyloxy substituent.

Abstract: A Monoazo compounds of the formula ##STR1## wherein D is a diazo component radical of the 4-nitrophenyl series, thienyl-2 series, thiazolyl-2 series or 5-nitrobenzoisothiazolyl-3 series,R.sub.1 is hydrogen; C.sub.1-2 alkyl; C.sub.1-2 alkoxy; formylamino; (C.sub.1-4 alkyl)carbonylamino; (C.sub.1-4 alkyl)carbonylamino the alkyl group of which is substituted by 1 to 3 substituents independently selected from halo, C.sub.1-3 alkoxy, cyano, phenyl, phenoxy and benzyloxy; (C.sub.2-4 alkenyl)carbonylamino; halo(C.sub.2-4 alkenyl)carbonylamino; benzoylamino; benzoylamino the phenyl group of which is substituted by 1 to 3 substituents independently selected from halo, C.sub.1-4 alkyl and C.sub.1-4 alkoxy; (C.sub.1-4 alkoxy)carbonylamino; (C.sub.1-4 alkoxy)carbonylamino the alkyl moiety of which is substituted by 1 to 3 substituents independently selected from halo, C.sub.1-3 alkoxy, cyano, phenyl, phenoxy and benzyloxy; (C.sub.8-14 alkyl)carbonylamino or (C.sub.8-14 alkoxy)carbonylamino,R.sub.2 is C.sub.

Abstract: There are described novel crystalline bromine and iodine salts of triazole dyes of the formula ##STR1## wherein R is the CH.sub.3 or C.sub.2 H.sub.5 group,R.sub.1 is a C.sub.1 -C.sub.4 -alkyl group,R.sub.2 is an unsubstituted or substituted C.sub.1 -C.sub.4 -alkyl group, andX is the bromine or iodine ion,and also processes for producing them, and their use for dyeing and printing in particular polyacrylonitrile materials.

Abstract: A process for the dyeing or printing of a hydrophobic organic fibrous material containing or consisting of polyester, wherein(a) the fibrous material is dyed (.alpha.) from an aqueous dispersion with a dyestuff of the formula (1) indicated below at a pH value between 2 and 9 and at a temperature above 100.degree. C. or at about 100.degree. C. in the presence of a carrier, or (.beta.) by impregnating it with an aqueous dispersion of a dyestuff of the formula (1), said dispersion having a pH value between 2 and 9, and subsequently exposing the fibrous material so treated to a short heat treatment between about 180.degree. and 210.degree. C.

Abstract: A process for dyeing and printing cellulosic textile material, wherein the dye used is a compound of the general formula I ##STR1## where K is a radical of the formula ##STR2## one of the radicals X and Y is a C.sub.2 -C.sub.19 -carboxylic acid ester group, a C.sub.3 -C.sub.19 -carboxamide group, a C.sub.4 -C.sub.18 -sulfonamide group, a C.sub.4 -C.sub.8 -alkylsulfone group, a C.sub.6 -C.sub.8 -arylsulfone group or a sulfonic acid aryl ester group andthe remaining substituents X, Y and Z are hydrogen, bromine or methyl andY may also be nitro,A is cyano or carbamyl,B.sup.1, B.sup.2 and B.sup.3 independently of one another are aliphatic, cycloaliphatic, araliphatic or aromatic radicals, ##STR3## is a saturated heterocyclic radical, R is hydrogen or C.sub.1 -C.sub.3 -alkyl,one of the radicals T is a radical of the formula ##STR4## and the other radical T is hydrogen, C.sub.1 -C.sub.4 -alkyl or phenyl.

Abstract: A process is described for the dyeing and printing of paper materials by the use of developing dyestuffs, in which process diazo components and heterocyclic coupling components containing a 6-membered heterocyclic radical having one ring nitrogen atom are applied in any sequence, either successively or simultaneously onto or into the paper material to be dyed or printed, and coupled together in alkaline, neutral or acid medium, whereby it is possible using only a single coupling component to obtain on the material, merely by variation of the diazo component, a shade of color ranging from yellow to black.

Abstract: Monoazo compounds of the formula ##STR1## wherein Y is phenyl, or phenyl substituted by Z--NH--, sulfo, chloro or methyl; andZ is .alpha.,.beta.-dibromopropionyl or .alpha.-bromoacryloyl, are excellent dyes and are suitable for dyeing and printing materials of the most diverse kind.