Abstract: Compositions for oxidation dyeing keratin fibers, such as human keratin fibers like hair, comprising, in a dyeing medium, (1) at least one oxidation dye, and (2) a combination comprising at least one cyclohomopolymer of dialkyldiallylammonium and at least one other particular quaternary polyammonium. Processes comprising such oxidation dyeing compositions.

Abstract: The invention concerns a novel dyeing composition for dying keratinous fibers, in particular human hair, comprising a dicationic monoazo dye, and the dyeing method using said composition and the novel compounds of formulae (I) or (II).

Abstract: The invention concerns compounds derived from diaminopyrazole of formula (I), wherein: Ar is a 5- or 6-membered heteroaromatic radical capable of being condensed with one or several heteroaromatic cycles each comprising 5 or 6 members, and their physiologically acceptable addition salts with and acid.

Abstract: The invention relates to a dye composition that is useful for dyeing keratin fibres, containing at least one oxidation base and at least one coupler of the 6-alkoxy-2,3-diaminopyridine type in which the amino radical in position 2 is a monosubstituted amino radical, to the use of this composition for dyeing keratin fibres and to the dyeing process using this composition. The invention also relates to novel 6-alkoxy-2,3-diaminopyridine compounds that are useful as couplers.

Abstract: The invention concerns compounds derived from diaminopyrazole of formula (I), wherein: R1 is a linear or branched radical selected among C2, C3, C4 aminoalkyl radicals or C2, C3, C4 aminoalkenyl radicals, or one of the physiologically acceptable salts thereof. The invention also concerns compositions containing said compound for dyeing keratinous fibers and the method using said compositions.

Abstract: Use of an extract of the plant Myrsine africana in oxidation dyeing for dyeing keratin fibres, a novel composition comprising this plant extract, a process for the oxidation dyeing of keratin fibres using this composition, as well as the coloured products obtained using the composition.

Abstract: Dye compositions for dyeing keratin fibers, comprising at least one oxidation base and at least one coupler chosen from 6-alkoxy-2,3-diaminopyridine derivatives of formula (I) as defined herein and the addition salts thereof; the use of the compositions for dyeing keratin fibers; and the dyeing processes using the compositions; as well as at least one entity chosen from novel 6-alkoxy-2,3-diaminopyridine compounds and their addition salts thereof that are useful as couplers.

Abstract: Novel compositions for use in oxidative hair coloring compositions are provided. The compositions comprise one or more oxidative hair coloring N-aryl-m-phenyldiamine derivatives as couplers and one or more diaminopyrazole primary intermediates in combination.

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: Dyeing compositions for the dyeing of keratin fibers comprising at least one oxidation base chosen from formula (I), as defined herein and addition salts thereof. The use of the compositions for the dyeing of keratin fibers. Dyeing processes employing the compositions. Novel 2,5-diaminopyridine compounds and addition salts thereof and their use as oxidation bases.

Abstract: A dye composition for dyeing human keratin fibers, such as hair, comprising at least one monocationic monoazo dye of formula (I) W1—W2—N═N—W3, a dyeing process using the composition and certain novel compounds of formula (I).

Abstract: Provided is a hair dye composition containing a direct dye (1) or (2): [wherein, R1, R2, R3, R4, R5 and R6 each represents a C1-6 alkyl group; R7 and R8 each represents a hydrogen atom, a hydroxy group, a C1-6 alkyl group, a C1-6 alkoxy group, an amino group or alkylamino group; 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) or (2) 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 modified polyamide polymer having a high amino end group content, with more than 30 percent of the amino end groups being secondary or tertiary amine, dramatically improves the dye bleed performance. The modified polyamide may be prepared by polymerization of polyamide-forming monomers in the presence of a carboxylic acid and a hindered piperidine derivative in amounts sufficient to achieve the high amino end group content.

Abstract: The present invention relates to a composition for coloring keratinaceous fibers and a method of using the same. The composition of the present invention contains (a) at least one pyrimidine derivative and (b) at least one compound selected from an m-phenylene derivative, an m-aminophenol derivative, a pyridine derivative, a resorcinol derivative, a methylenedioxybenzene derivative, or 3,4-diaminobenzoic acid or combinations thereof. The method of the present invention includes applying the coloring composition to keratin-containing fibers and subsequently rinsing the coloring composition from the fibers.

Abstract: A composition and method for using the composition for dyeing keratin fibers. The composition consists of indole/indoline hybrid dyes and hybrid dye precursors. More particularly, the indole/indoline hybrid dyes and hybrid dye precursors correspond to formula (I): X—S—Y  (I) where X is a group derived from an indole or indoline derivative as a melanin precursor, Y is a group derived from an oxidation dye precursor of the secondary or primary intermediate type or an indole or indoline derivative as a melanin precursor; and S is a structural element which is common constituent of the groups X and Y, a direct bond or at least one spacer group. The composition may also be used to color human skin.

Abstract: Compositions for oxidation dyeing of keratinous fibers, for example, human keratinous fibers such as hair, comprising, in a medium suitable for dyeing, at least one enzymatic oxidizing agent and at least one oxidation dye chosen from the pyridine compounds and acid addition salts, of formula (I) and processes comprising such compositions.

Abstract: The present invention relates to a process for the staining of wood, which comprises treating the unstained wood with an aqueous preparation comprising a) at least one dye, and b) at least one dye stabilizer of the formula (I) or (II)  in which G1 and G2, independently of one another, are C1-C4alkyl or together are pentamethylene, Z1 and Z2 are methyl, or Z1 and Z2 form a bridging member which is unsubstituted or substituted by an ester, ether, hydroxyl, oxo, cyanohydrin, amido, amino, carboxyl or urethane radical, E is oxyl or hydroxyl, and X is an inorganic or organic anion, and the total number of cations h corresponds to the total number of anions j, to a wood stain comprising a dye and a dye stabilizer of the formula (I) or (II), and to the use of this wood stain for the staining of wood.

Abstract: The invention relates to a hair dye composition having markedly high dyeing power, less color fade over time, and undergoes a small change in the color tone of the dye even after storage.

Abstract: A modified polyamide polymer having a high amino end group content, with more than 30 percent of the amino end groups being secondary or tertiary amine, dramatically improves the dye bleed performance. The modified polyamide may be prepared by polymerization of polyamide-forming monomers in the presence of a carboxylic acid and a hindered piperidine derivative in amounts sufficient to achieve the high amino end group content.

Abstract: A process for making a polyamide substrate characterized by enhanced breaking strength and fade resistance is disclosed. The process features the steps of treating a polyamide substrate, preferably a nylon 6 substrate having a hindered amine light stabilizer chemically bound thereto, with an effective amount of an ultraviolet inhibitor, an antioxidant and optionally, a dye, in the presence of a swelling agent for the polyamide that is also a solvent for the ultraviolet inhibitor and the antioxidant to impart high breaking strength to the substrate. A life preserver or other type of buoyancy device may be made from the process. A polyamide fabric comprising a dye, an ultraviolet inhibitor and an antioxidant also is disclosed. When a polyamide fiber of the present invention is exposed to sunlight, the useful life of the fiber is greatly increased compared to untreated polyamide fiber.

Abstract: The object of the present invention is a colorant for the semi-permanent tinting of keratin fibers, said colorant being based on a combination of nonoxidative dyes and polymethine dyes of the tautomeric formula (Ia)/(Ib) and a method for tinting keratin fibers.

Abstract: Stabilized solution-dyed fiber is made by melting a polyamide which is amide monomers polymerized in the presence of at least one hindered piperidine compound, coloring the melted polyamide, and spinning the colored polyamide into fibers that have about 40% or better retained tenacity after 2125 kJ exposure to xenon arc radiation as per AATCC Test Method 16-1993, “Colorfastness to Light,” Option E. Copper stabilizers are unnecesssary.

Abstract: A 1,7-disubstituted perylene-3,4,9,10-tetracarboxylic diimide of the general formula VI: Compositions or products comprising the compound of formula VI. Compositions comprising 1,7-diaroxy- or 1,7-diarylthio-substituted perylene-3,4,9,10-tetracarboxylic dianhydrides (I) or 1,7-diaroxy- or 1,7-diarylthio-substituted perylene-3,4,9,10-tetracarboxylic acids (Ia).

Abstract: The method for temporarily coloring and later decolorizing hair includes applying a colorant to the hair, which contains a monomethine or polymethine dye of formula (Ia/Ib), or a salt thereof, W=L−V′(Ia)&rlarr2;W′−L=V (Ib), wherein W=L−V′ and W′=L−V are tautomers, W and V are each a substituted five-member or six-member heterocyclic ring, each of which is a substituted pyrazolone, substituted pyridone, substituted dioxothiazoline, substituted rhodanine, substituted dioxoimidazolidine or substituted barbituric acid; wherein L represents —[—CH═CH—]m—CR═[═CH—CH═]n═ and R is hydrogen, a phenyl group, a halogen atom, a methyl group or a carboxamido group, and wherein m and n are each 0, 1 or 2, but n+m≦2; then allowing the colorant to act for from 10 to 45 min at 20 to 50° C.

Abstract: The invention relates to novel 4-hydroxyindole derivatives comprising at least one cationic group Z, Z being selected from quaternized aliphatic chains, aliphatic chains containing at least one quaternized saturated ring, and aliphatic chains containing at least one quaternized unsaturated ring, to their use as a coupler for the oxidation dyeing of keratinous fibers, to the dyeing compositions comprising them, and to the methods of oxidation dyeing which employ them.

Abstract: Compounds of the formula (I) in which the substituents are as defined in claim 1 are valuable colorants for the mass coloring of polymers, with fluorescence property, in electrophotographics toners and developers, in powders coating materials and ink-jet inks.

Abstract: A fluorescent naphthalimide diester dye that is miscible or soluble in a variety of organic compounds such as, for example, mineral oil, polyalkylene glycols, polyolesters, motor oil, gear oil, synthetic oils, and polyalphaolefins, is provided. The fluorescent naphthalimide diester is useful as a tracer to detect leaks within a fluid systems such as, for example, refrigerant systems, transmission systems, and hydraulic systems. The fluorescent naphthalimide diester dye is comprised of a chromophore having the following structure: wherein: Z and Z′ are the same or different, and are esters attached to saturated or unsaturated linear or branched hydrocarbon chains attached thereto, having from 8 to 24 carbon atoms in length, preferably from 12 to 22 carbon atoms in length, most preferably from 16 to 20 carbon atoms in length, and from 1 to 4 double bonds, most preferably 2 to 3 double bonds.

Abstract: A 1,7-disubstituted perylene-3,4,9,10-tetracarboxylic diimide of the general formula VI where X1 and X1 re independently bromine or —L—R, where L is 1,2-ethylene, 1,2-ethenylene or 1,2-ethynylene and R is hydrogen or C1-C30-alkyl whose carbon chain can be interrupted by one or more groups —O—, —S—, —NR3—, —CO— and/or —SO2— and/or which can be substituted one or more times by —COOR3, —SO3R3, hydroxyl, cyano, C1-C6-alkoxy, C5-C8-cycloalkyl or aryl or by a 5- to 7-membered heterocyclic radical which is attached via a nitrogen atom and can include further heteroatoms and/or can be aromatic, R3 being hydrogen or C1-C6-alkyl.

Abstract: The sensitivity and specificity of the optical modality can be enhanced by the use of highly absorbing dyes as contrast agents. Novel cyanine dyes that absorb and emit light in the near infrared region of electromagnetic spectrum are disclosed. These dyes are useful for imaging, diagnosis and therapy of various diseased states. Particularly, the molecules of the invention are useful for optical diagnostic imaging and therapy, in endoscopic applications for the detection of tumors and other abnormalities, for localized therapy, for photoacoustic tumor imaging, detection and therapy, and for sonofluorescence tumor imaging, detection and therapy.

Abstract: Pyridone dyes useful for thermal transfer and for dyeing or printing synthetic materials have the formula ##STR1## where X is CH or nitrogen,R.sup.1 is substituted or unsubstituted C.sub.1 -C.sub.20 -alkyl or substituted or unsubstituted phenyl,R.sup.2 is a carbocyclic or heterocyclic radical,R.sup.3 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.4 is hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.5 is substituted or unsubstituted C.sub.1 -C.sub.8 -alkyl or substituted or unsubstituted phenyl, andR.sup.6 is cyano, carbamoyl, carboxyl, C.sub.1 -C.sub.4 -alkoxycarbonyl or C.sub.1 -C.sub.4 -alkanoyl.

Abstract: A composition for the oxidation dyeing of keratinous fibers comprising at least one imidazopyridine derivative as coupler and at least one oxidation base and the use of such an imidazopyridine derivative as a coupler, in combination with at least one oxidation base, for the oxidation dyeing of keratinous fibers and the dyeing processes employing them.

Abstract: A method for dyeing keratin fibers such as human hair by applying to the fibers a dye composition, in particular a lightening dye composition, containing, in a medium which is suitable for dyeing, at least one direct dye to be mixed at the time of use, at basic pH, with an oxidizing agent, wherein the dye composition a has a basic pH and contains, as direct dye, at least one dye containing an optionally delocalizable quaternized nitrogen atom and a --Z.dbd.N-- bond in which Z denotes a nitrogen atom or a --CH-- radical. The invention is also directed to a ready-to-use composition and a multi-compartment dyeing device for dyeing keratin fibers.

Abstract: An aqueous or aqueous-alcoholic composition for dyeing natural or synthetic fibers, especially hair, contains a combination of at least one cyclic oxo-substituted enediol according to formula I: ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and independently of each other represent a hydrogen atom or an alkali metal atom, or R.sub.1 and R.sub.2 together represent an alkaline earth metal atom and n=0, 1, 2 or 3; and at least one member selected from the group consisting of malonic acid dinitrile, maleic acid diaminodinitrile, 2,5-diamino-6-nitropyridine, 1,2,3,4-tetrahydro-6-nitroquinoxaline, 7-amino-3,4-dihydro-6-nitro-2H-1,4-benzoxazine and substituted nitrobenzene compounds; as well as water and at least one cosmetic ingredient including solvents other than water, surfactants, thickeners, care materials and adjuvant materials.

Abstract: Dyes selected from 4,5-diiminopyrazolines or their 4-ylideneamino-5-aminopyrazole tautomeric forms, a process for their preparation, and their use as direct dyes in dye compositions for keratin fibers, in particular for human keratin fibers. The dyes may also be used in lightening or non-lightening dye compositions for the direct dyeing of keratin fibers, and in dyeing processes using these compositions.

Abstract: An oxidation dye composition for keratin fibre, in particular human hair, comprising at least one 2-amino-3-hydroxypyridine as coupler, in combination with at least one suitably selected oxidation base, as well as the dyeing process using this composition with an oxidizing agent.

Abstract: A process for preparing photochemically stable dyed nylon compositions includes providing to a dyebath a shaped article of poly(epsilon-caprolactam) hydrolytically polymerized in the presence of water, a carboxylic acid chain regulator and a hindered piperidine derivative; and in the dyebath, dyeing the shaped article with one or more metalized or nonmetalized acid dyestuffs.

Abstract: A process for preparing photochemically stable dyed nylon compositions includes providing to a dyebath a shaped article of poly(epsilon-caprolactam) hydrolytically polymerized in the presence of water, a carboxylic acid chain regulator and a hindered piperidine derivative; and in the dyebath, dyeing the shaped article with one or more metalized or nonmetalized acid dyestuffs.

Abstract: The present invention relates to a composition for the oxidation dyeing of keratin fibers, in particular human keratin fibers such as the hair, comprising at least one diaminopyrazole derivative as oxidation base in combination with at least one suitably selected heterocyclic coupler, and to the dyeing process using this composition with an oxidizing agent.

Abstract: The present invention relates to a composition for the oxidation dyeing of keratin fibers, in particular human keratin fibers such as the hair, comprising an oxidation base in combination with at least one suitably selected indole coupler and at least one additional heterocyclic coupler which is also suitably selected, as well as to the dyeing process using this composition with an oxidizing agent.

Abstract: A composition and a process are disclosed for imparting durable antimicrobial properties to fibrous materials. The composition contains a leveling surfactant and a water-insoluble antimicrobial compound. In one embodiment, simultaneous dyeing and antimicrobial finishing of a fibrous material is achieved using an aqueous dye bath containing the aforesaid composition.

Abstract: Keratin-containing fibres, in particular human hair, are dyed using dyes of formulae (1) to (6) indicated in claim 1. These dyes make it possible to dye by the trichromatic principle even in dark shades.

Abstract: Pyridone dyes of the formula ##STR1## where X is nitrogen or C--CN,R.sup.1 and R.sup.2 are each substituted or unsubstituted C.sub.1 -C.sub.10 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl, C.sub.3 -C.sub.4 -alkenyl or substituted or unsubstituted phenyl, or R.sup.1 and R.sup.2 together with the nitrogen atom joining them together are a heterocyclic radical,R.sup.3 is hydrogen, C.sub.1 -C.sub.10 -alkyl, C.sub.4 -C.sub.7 -cylcoalkyl, benzyl, substituted or unsubstituted phenyl, substituted or unsubstituted furanyl or substituted or unsubstituted thienyl,R.sup.4 is hydrogen, C.sub.1 -C.sub.4 -alkyl or substituted or unsubstituted phenyl,R.sup.5 is cyano, carbamoyl, mono- or di(C.sub.1 -C.sub.8 -alkyl)carbamoyl, carboxyl, C.sub.1 -C.sub.8 -alkoxycarbonyl or benzimidazolyl, andR.sup.6 is substituted or unsubstituted C.sub.1 -C.sub.10 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or substituted or unsubstituted phenyl,are useful for dyeing or printing textile materials.

Abstract: Dyestuffs of the formula (I) ##STR1## wherein n denotes 1 or 2,T denotes O or N--R.sub.0, whereinR.sub.0 denotes H, alkyl, aryl or acyl or, together with R.sub.2 or R.sub.3, forms a 5- to 7-membered ring,R.sub.1 if n=1, denotes aryl, hetaryl or heterocyclylidenemethyl andif n=2, denotes a direct bond or arylene andR.sub.2 and R.sub.3 are independent or cyclic radicals having the meanings given in the description,are employed for bulk dyeing of plastics, preferably thermoplastics.

Abstract: Dye donor element for use according to thermal dye sublimation transfer comprising a support having thereon a dye layer comprising at least one heterocyclic hydrazono dye, wherein said dye corresponds to the general formula:A=N-N=Hetwherein A is a carbocyclic or heterocyclic coupler group or a cyclic reactive methylene system, which may carry at least one substituent, and Het is a heterocyclic nucleus, which may carry at least one substituent.

Abstract: A low-temperature dyeing additive for protein fiber products contains one or more kinds of solvents which are freely miscible with water and having a donor number within the range of 24 to 50 and an acceptor number within the range of 10 to 24 in the presence or absence of a surfactant, in an amount of 0.025 to 40 g per liter of water, has a pH of 3.5 to 9.5. If necessary, it contains tributoxyethyl phosphate in an amount of 0.025 to 4.0 g per liter of water, and/or contains one or more kinds of anions having an enthalpy of hydration (-.DELTA.H.sub.KJ.multidot.mol.sup.-1) of 200 to 290 in an amount of 0.05 to 40 g per liter of water. This low-temperature dyeing additive for protein fiber products serves to relax the higher-order structures of the protein fibers before dyeing or during dyeing, to thereby swell the fibers, thus rendering the fibers readily dyeable without detriment to the properties thereof.

Abstract: Dye donor element for use according to thermal dye sublimation transfer comprising a support having thereon a dye layer comprising at least one heterocyclic hydrazono dye, wherein said dye corresponds to the general formula:A.dbd.N-N.dbd.Hetwherein A is a carbocyclic or heterocyclic coupler group or a cyclic reactive methylene system, which may carry at least one substituent, and Het is a heterocyclic nucleus, which may carry at least one substituent.

Abstract: A process for the production of aminated cotton fibers by subjecting a raw cotton or cotton-polyester mixture to a modification with a saturated aliphatic compound of 3 to 15 carbon atoms which contains at least one primary, secondary, tertiary, or quaternary amino group and at least one hydrolyzable ester group, in which the saturated radical is straight chain, branched, or cyclic, and may be interrupted by one or more hetero groups and may be substituted by one or more hydroxyl groups. The modification occurs simultaneously with scouring, kiering, or dry mercerizing.

Abstract: A process for the dyeing of fiber materials with water-soluble anionic dyes, in particular those having a fiber-reactive group, is described, according to which dyeing is carried out using low-electrolyte or entirely electrolyte-free and/or low-alkali or entirely alkali-free dye solutions (dye liquors, printing pastes) and in which a fiber material is used which was modified by means of a saturated straight-chain or branched aliphatic or cycloaliphatic compound which is unsubstituted or substituted by one or more hydroxy groups and contains at least one primary, secondary or tertiary amino group or quaternary ammonium group and at least one hydrolyzable ester group, it also being possible for the aliphatic radical in this compound to be interrupted by one or more hetero groups.

Abstract: The invention provides the following dyeing method: A method of dyeing a cellulosic textile article characterized by immersing the article in an aqueous dispersion containing a cation-treated coloring agent in the first place and, then, immersing it in an aqueous solution or dispersion of an anionic compound.

Abstract: Dye donor element for use according to thermal dye sublimation transfer comprising a support having thereon a dye layer comprising at least one heterocyclic hydrazono dye, wherein said dye corresponds to the general formula:A=N-N=Hetwherein A is a carbocyclic or heterocyclic coupler group or a cyclic reactive methylene system, which may carry at least one substituent, and Het is a heterocyclic nucleus, which may carry at least one substituent.