Abstract: Disclosed are tricationic dye compounds, useful for dyeing hair, wool, leather, silk, cellulose or polyamides. The dye compounds are of formula (1), where the groups are as defined in the specification and claims.

Abstract: Disclosed are compounds of formula (1a), wherein R1 is N+R8R9; R8 and/or R9 independently from each other are hydrogen; C1-C12alkyl; or phenyl-C1-C4-alkyl; or R8 and/or R9 are a bivalent C3-C6alkylene radical which is linked to the carbon atoms C1 or C2 respectively and, together with the linking nitrogen atom form a 6 to 16-membered carbocyclic ring; R2 is NR10R11; or OR10; R10 and R11, independently from each other are hydrogen; C1-C12alkyl; or phenyl-C1-C4alkyl; or R10 and/or R11 are a bivalent C3-C6alkylene radical which is linked to the carbon atoms C3 or C4 respectively and, together with the linking nitrogen or oxygen atom form a 6 to 16-membered carbocyclic ring; or R10 and R11 together with the linking nitrogen atom form a 4 to 8 membered carbocyclic ring; R3, R4, R5, R6 and R7 independently form each other are hydrogen; C1-C12alkyl; halogen; NR12R13; or a radical of formula (1a); R12 and R13 independently from each other are hydrogen; C1-C12alkyl; phenyl-C1-C4alkyl; or a radical of formula (1a2); V

Abstract: The invention relates to the use, for dyeing keratin fibers, of at least one latent pigment, which is soluble in a medium that is suitable for dyeing, and which can be chemically, thermally or photochemically converted in the fibers into water-insoluble pigments, of formula A(B)x with A representing the chromophoric radical of dyes, and B representing a hydrogen atom or a group of formula (II) with Z representing a cationic water-solubilizing group Z+ or a polyethylene glycol residue, Y representing a hetero atom, F and F? representing a linear or branched C1-C14 alkylene chain, which may contain hetero atoms and may be substituted with one or more hydroxyl, amino or halogen groups. The invention also relates to processes for dyeing keratin fibers using latent pigments, to particular compositions containing them and to multi-compartment dyeing devices or “kits”.

Abstract: The present invention relates to agents for coloring keratin fibers which comprise at least one zwitterionic azomethine dye of the general formula (I), (II), or (III) in which z is a heterocycle of the formula in which R8 is an alkyl sulfonate radical of the formula (XIII);

Abstract: Colorants for keratin fibers comprising cationic quinoxaline thiazole azo dyes of the general formula (I).

Abstract: The agent for coloring keratin fibers, especially human hair, contains at least one common cosmetic additive; an oxidant, such as hydrogen peroxide; and at least one naphthalene derivative of formula (I): wherein A1 and A2 are different from each other and, independently of each other, each denote a partial structure of formula (II), (IIIa), (IIIb), (IV), (V), or (VI): E is O or S; Y is N or a quaternary nitrogen atom substituted with a C1-C6-alkyl group, a C2-C4-hydroxyalkyl group, or a C4-C6-polyhydroxyalkyl group. New naphthalene derivatives are also described.

Abstract: The invention relates to a dye composition for dyeing human keratin fibres and more particularly the hair, comprising a particular direct cationic hydrazone dye of formula (I) and also to processes for dyeing human keratin fibres using such a composition.

Abstract: Disclosed herein is a rapid dyeing process for human keratin fibers, such as hair, comprising applying to the keratin fibers at least one dye composition comprising, in a medium suitable for dyeing, at least one direct dye chosen from arylmethane dyes, cationic azo dyes, methine dyes, azomethine dyes and azine dyes; maintaining the composition in contact with the keratin fibers for a leave-in time of less than 5 minutes; and rinsing the treated keratin fibers; wherein the resulting coloration has, according to the CIELAB notation, an L* value of less than 40 and/or a C* value of greater than 20, such as greater than 25, when the composition is applied to natural hair containing 90% white hairs at a temperature of 27° C.±5° C. for a period of 4 minutes, for a bath ratio of 10. Further disclosed herein is a process for stripping the keratin fibers colored with the direct dye, comprising applying an oxidizing or reducing treatment in a time period of less than 5 minutes.

Abstract: The invention relates to the use, for dyeing keratin fibres, of at least one latent pigment, which is soluble in a medium that is suitable for dyeing, and which can be chemically, thermally or photochemically converted in the fibres into water-insoluble pigments, of formula A(B)x with A representing the chromophoric radical of dyes, and B representing a hydrogen atom or a group of formula (II) with Z representing a cationic water-solubilizing group Z+ or a polyethylene glycol residue, Y representing a hetero atom, F and F? representing a linear or branched C1-C14 alkylene chain, which may contain hetero atoms and may be substituted with one or more hydroxyl, amino or halogen groups. The invention also relates to processes for dyeing keratin fibres using latent pigments, to particular compositions containing them and to multi-compartment dyeing devices or “kits”.

Abstract: The present disclosure relates to a specific direct dye compound that is a fluorindine derivative, and dyeing compositions comprising at least one derivative of the compound and at least one polymer. A process for dyeing keratin fibers with the defined compositions is also disclosed.

Abstract: The present disclosure relates to compounds used as direct dyes, and dyeing compositions comprising such compounds. The disclosed compounds have the formula A-L-B, wherein A and B are chosen from arylazoimidazolium coloring functional groups, and L is a linker comprising at least one cationic group C. The disclosure also relates methods of using such compositions for coloring keratin fibers, such as the hair.

Abstract: A composition for dyeing keratin fibers, such as human keratin fibers, and further such as the hair, comprising at least one dye chosen from heteroylmethane type direct dyes, such as triheteroylmethane direct dyes and leuco precursors of such dyes, as defined herein. A method that uses the composition for dyeing keratin fibers, such as human keratin fibers, and further such as the hair, and a kit or device containing same.

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: A temporary hair dyeing composition which comprises: (a) a cationic dye; (b) a water soluble anionic polymer; and (c) water.

Abstract: The objects of the present invention are an agent (A) for coloring fibers obtained by mixing two components (A1) and (A2), characterized in that component (A1) contains at least one 2-benzothiazolinone hydrazone derivative of formula (I) or a physiologically tolerated salt thereof and component (A2) contains at least one ortho-quinone of formula (II) or a para-quinone of formula (III), a method for coloring hair by use of said agent and a multicomponent kit for coloring hair.

Abstract: The present invention relates to a composition comprising, in a cosmetically acceptable support suitable for dyeing the hair, at least one direct dye and at least one crosslinked polymer containing acrylic residue units of the structure in which R1 denotes H, CH3 or C2H5, and C10–C30 alkyl acrylate residue units, wherein the composition is a direct dyeing composition for the hair, and wherein said at least one direct dye is an anthraquinone or azo dye which is acidic or cationic.

Abstract: A method for coloring keratin fibers is provided that includes at least two steps. In one step, the keratin fibers are treated with a pretreatment composition containing at least one substantive dye. In another step, the keratin fibers are treated with a composition containing at least one synthetic dye or synthetic dye precursor after applying the pretreatment composition.

Abstract: A method for color-revitalizing a color tone of hair that involves applying a color-revitalizing composition to hair previously dyed with an oxidative hair dye composition. The color-revitalizing composition, which has a color determined by the color of the oxidative hair dye composition and contains at least one direct dye, revitalizes the color tone originally obtained by after dyeing with the oxidative hair dye composition.

Abstract: Provided is a hair dye composition containing a direct dye (1): [wherein, R1, R2, R3, R4, R5 and R6 each represents a C1-6 alkyl group; R7 and R8 each represents a hydroxy group, a C1-6 alkyl group, a C1-6 alkoxy group, an amino group or alkylamino groups; R9 represents a hydrogen atom or a C1-6 alkyl group; and X? represents an anion]. This hair dye composition undergoes a small change in color tone even after storage because it contains the direct dye (1) which has high stability against any one of an alkali agent, oxidizing agent and reducing agent, and at the same time, has markedly high hair dyeing power and exhibits excellent light resistance, washing resistance, perspiration resistance, friction resistance and heat resistance.

Abstract: A shaped body is provided for preparing coloring compositions and for coloring keratin fibers. The shaped body contains at least one synthetic substantive dye. The shaped body is placed in a composition containing water to form a coloring composition that can be applied to keratin fibers.

Abstract: The present invention relates to a fiber-dyeing agent (A) prepared by mixing two components (A1) and (A2), said agent being characterized in that component (A1) contains at least one compound of formula (I) wherein X denotes a halogen atom, a methoxy group or an ethoxy group; Y denotes an oxygen atom, a sulfur atom or a selenium atom; R1 and R2 are equal or different and independently of each other denote hydrogen, a halogen atom, a (C1-C4)-alkyl group, a halogen-substituted (C1-C4)-alkyl group, a (C1-C4)-alkoxy group, a nitro group, an acetamido group or an NRaRb group, wherein the Ra and Rb groups are equal or different and independently of each other denote hydrogen, a (C1-C4)-alkyl group, an optionally substituted aromatic carbon ring or a (C1-C4)-alkanecarbonyl group, or Ra and Rb together with the nitrogen atom form a heterocyclic (C3-C6) group, and component (A2) contains at least one compound from the group consisting of amines, aminonitrobenzenes and phenols; to a method for dyeing

Abstract: A semipermanent hair dye composition comprising (A) a direct dye, (B) a hydrocarbon oil and (C) polyoxyalkylene-modified dimethyl polysiloxane. The semipermanent hair dye composition can uniformly dye hair without coloring the scalp and skin and gives the hair an excellent feel after hair coloring.

Abstract: Provided is a hair dye composition containing a direct dye (1). This hair dye composition has markedly high hair dyeing power, has less color fade over time and undergoes a small change in the color tone of the dye even after storage. wherein, R1 to R4 each represents a (substituted) C1-6 alkyl group, (substituted) alkenyl group or (substituted) aryl group or R3 and R4, when taken together with the adjacent C, form a 5 to 12 membered ring, R5 represents H, (substituted) C1-6 alkyl group, (substituted) alkenyl group, (substituted) aryl group or acyl group, X1 and X2 each represents H or halogen atom, Y1 and Y2 each represents H, (substituted) C1-6 alkyl group, (substituted) alkenyl group, (substituted) C1-6 alkoxy group or halogen atom, Z1 and Z2 each represents H, (substituted) C1-6 alkyl group, (substituted) alkenyl group, (substituted) C1-6 alkoxy group, nitro group or halogen atom, and A− represents an anion.

Abstract: The object of the present invention is a preparation for coloring fibers, which is prepared before use by mixing an acidic component (A1), containing at least one enamine of Formula (I)/(Ia) with a component (A2), containing a Schiff's base of Formula (II) as well as a method for temporarily coloring fibers, for which the coloration, obtained with the aforementioned coloring agent, can be removed once again at any time by a sulfite-containing decolorizing agent.

Abstract: Provided is a hair dye composition containing a direct dye (1). This hair dye composition has markedly high hair dyeing power, has less color fade over time and undergoes a small change in the color tone of the dye after storage. wherein, ring A may represents a benzene ring which may have a substituent or the like, B represents an aryl or heterocyclic group, D represents N or CR4 (wherein R4 represents H or alkyl), E represents NR5, CR6R7 or CR6═CR7 (wherein R5 represents alkyl or the like, and R6 and R7 each represents H or alkyl) or, O or S, R1 represents alkyl or the like, and n stands for 0 or 1, with the proviso that at n=0, R2 and R5 form, when taken together with N—C—C, a heterocycle, or R2 is bonded to B, thereby forming a heterocycle and at n=1, R2 and R3 form, when taken together with C═D—N, a heterocycle, and X− represents an anion.

Abstract: Provided is a hair dye composition containing a direct dye (1), (2) or (3). This hair dye composition has markedly high hair dyeing power, has less color fade over time and undergoes a small change in the color tone of the dye even after storage. wherein, R1 represents a (substituted) aryl group, R2, R4 to R6, R8 and R9 each represents H, a (substituted) C1-6 alkyl group or a (substituted) aryl group, R3 and R7 each represents a (substituted) aryl group, R10 to R12 each represents a (substituted) C1-6 alkyl or (substituted) aryl group, rings A to G each represents a benzene ring which may be substituted by a (substituted) amino group, (substituted) C1-6 alkyl group, C1-6 alkoxy group or halogen atom or may further be cyclocondensed with a benzene ring, and X− represents an anion.

Abstract: Provided is a hair dye composition containing a direct dye (1) or (2). The hair dye composition has markedly high hair dyeing power, has less color fade over time and undergoes a smaller change in the color tone of the dye after storage. [R1, R2 and R3 are the same or different and each independently represents a C1-3 alkyl group and benzene ring A or B may contain a nondissociative substituent].

Abstract: An asymmetric dioxazine compound represented by the following formula (I): ##STR1## wherein T.sub.1 and T.sub.2 represents hydrogen, alkyl, etc.;A.sub.1 represents alkyl, etc.;A.sub.2 represents hydrogen, alkyl, etc.;R represents hydrogen, alkyl, etc.; andZ represents a pyrimidine-based or quinoxaline-based fiber reactive group, or a triazine-based fiber reactive group and the triazine-based fiber reactive group may have halogen and/or --SO.sub.2 --CH.dbd.CH.sub.2 or --SO.sub.2 CH.sub.2 CH.sub.2 Z.sub.2 ' (Z.sub.2 ' represents a group which is released by the action of an alkali).

Abstract: An asymmetric dioxazine compound represented, when shown in free acid form, by the general formula (I): ##STR1## wherein T.sub.1 and T.sub.2 represent a hydrogen atom, a chlorine atom, a bromine atom, a lower alkyl group, a phenoxy group or others, A.sub.1 represents an alkyl group, a chlorine atom, a carboxyl group or others, A.sub.2 represents a hydrogen atom, an alkyl group, a chlorine atom, a carboxyl group or others, R represents a hydrogen atom or a lower alkyl group, X and Y represent a halogen atom, a fiber-reactive group or others, respectively, with the proviso that at least one of X and Y is a fiber-reactive group is provided.The compound is suitable for dyeing or printing of a fiber material or the like which has a hydroxy group and/or an amide group, and provides a blue-dyed product with various fastness, including particularly chlorine fastness.

Abstract: The invention discloses novel basic dioxazine compounds of the formula ##STR1## wherein each of X.sub.1 and X.sub.2 independently is an unbranched or branched alkyl group of 1 to 4 carbon atoms, an unsubstituted or substituted phenyl group, halogen, hydrogen, cyano, a phenylamino group which is unsubstituted or substituted in the phenyl nucleus, the CONH.sub.2 group, the CONH-phenyl group which can be substituted in the phenyl moiety, or a COO--C.sub.1 -C.sub.4 alkyl group; Z is a non-quaternized or quaternized basic group, Y is an anionic group, each B independently is a fused ring system containing 2 to 4 carbocyclic and/or heterocyclic rings and which, in addition to containing the substituents Z and Y, can be further substituted; n is 1 to 4 and m is 0 to 2, with the proviso that m is not greater than n. Processes for obtaining these compounds and their use as dyes for coloring and printing in particular cellulosic fabrics, without the addition of salt, are also disclosed.