Abstract: A composition for dyeing keratin fibres comprising a. at least one azomethine compound selected from compounds (3) and (4) and b. water. The composition may be used in a process for dyeing keratin fibres or, with simultaneous or sequential application of a composition comprising one or more oxidising agents, in a process for lightening keratin fibres.

Abstract: A composition for dyeing keratin fibres comprising a. at least one azomethine compound selected from compounds (3) and (4) and b. water. The composition may be used in a process for dyeing keratin fibres or, with simultaneous or sequential application of a composition comprising one or more oxidising agents, in a process for lightening keratin fibres.

Abstract: The invention relates to cationic direct dyes of the formula I (1), wherein m and n are independently from each other 0 or 1, D is an aromatic or a cationic heteroaromatic group, which are further specified, K is an aromatic or heteroaromatic group, E1 and E2 are independently from each other ?CH— or ?N—, An is an anion and a is a number from 1 to 6 and R1 and R2 are independently from each other and further specified. The compounds show washfastness at hair-dying.

Abstract: The invention relates to cationic direct dyes of the formula I (1), wherein m and n are independently from each other 0 or 1, D is an aromatic or a cationic heteroaromatic group, which are further specified, K is an aromatic or heteroaromatic group, E1 and E2 are independently from each other ?CH— or ?N—, An is an anion and a is a number from 1 to 6 and R1 and R2 are independently from each other and further specified. The compounds show washfastness at hair-dying.

Abstract: Disclosed are styryl dyes of formula wherein R1, R2, R3, R?1, R?2 and R?3 independently of each other are hydrogen; —NH(CO)—C1-C5alkyl; —N(C1-C5alkyl)(C1-C5alkyl-CN); C1-C6alkoxy; a heterocyclic radical; or R1 and R2 or R?1 and R?2 together form a 5- to 10-membered, monocyclic, carbocyclic or heterocyclic ring; wherein at least one of R1, R2, R3, R?1, R?2 and R?3 is different from hydrogen; Q and Q? independently from each other are the direct bond; *—C(O)—*; *—C(O)O—*; *—OCO—*; *—N(R4)—*; ?*—C(O)N(R6)—*; or *—(R6)NC(O)—*; and R4, R5 and R6 independently from each other are hydrogen; C1-C14alkyl; C2-C14alkenyl; C6-C12aryl; C6-C12aryl-C1-C10alkyl; or C1-C10alkyl(C5-C12aryl); X and X? are *—(CH2)m—*; Y1 and Y2 independently from each other are C1-C10alkylene; C5-C10cycloalkylene; C5-C12arylene; or C5-C12arylene-(C1-C10alkylene); An? is an anion; m is a number from 1 to 8; n is 0, or 1; and p is 0, or 1.

Abstract: Disclosed are styryl dyes of formula wherein R1, R2, R3, R?1, R?2 and R?3 independently of each other are hydrogen; —NH(CO)—C1-C5alkyl; —N(C1-C5alkyl)(C1-C5alkyl-CN); C1-C6alkoxy; a heterocyclic radical; or R1 and R2 or R?1 and R?2 together form a 5- to 10-membered, monocyclic, carbocyclic or heterocyclic ring; wherein at least one of R1, R2, R3, R?1, R?2 and R?3 is different from hydrogen; Q and Q? independently from each other are the direct bond; *—C(O)—*; *—C(O)O—*; *—OCO—*; *—N(R4)—*; *—C(O)N(R6)—*; or *—(R6)NC(O)—*; and R4, R5 and R6 independently from each other are hydrogen; C1-C14alkyl; C2-C14alkenyl; C6-C12aryl; C6-C12aryl-C1-C10alkyl; or C1-C10alkyl(C5-C12aryl); X and X? are *—(CH2)m—*; Y1 and Y2 independently from each other are C1-C10alkylene; C6-C10cycloalkylene; C5-C12arylene; or C6-C12arylene-(C1-C10alkylene); An? is an anion; m is a number from 1 to 8; n is 0, or 1; and p is 0, or 1.

Abstract: Disclosed are polymeric dyes of formula (1a), (1b), or (1c); wherein the substituents and variables are defined in the claims and specification. The dyes are distinguished by their depth of shade and their good fastness properties to washing, such as, for example, fastness to light, shampooing and rubbing.

Abstract: The invention relates to hair dyeing composition comprising (a) a dye of formula (1); (b) ant least one dye selected from the compounds of formulae (2); (3) and (4); wherein D is the radical of a diazo component of the formula (2a); (2b); (2c); (2d); (2f); (2g) or (2h). The invention also relates to the dyeing methods for dyeing keratinous fibers comprising such dyeing composition.

Abstract: The invention relates to hair dyeing composition comprising (a) a dye of formula (1); (b) a least one dye selected from the compounds of formulae (2) and (3), wherein D is the radical of a diazo component of the formula (2a) and (c) a quaternary ammonium salt selected from (c1) quaternary ammonium salts of the formula (4); (c2) imidazolium salts of the formula (5) and (c3) quaternary diammonium salts of the formula (6). The invention also relates to the dyeing methods for dyeing keratinous fibers comprising such dyeing composition.

Abstract: Disclosed are cationic polymeric dye with a hue value of h=210° to 330° comprising: a) a polymer backbone, b) a residue of an organic dye, and c) optionally colorless organic groups, wherein (b) and (c) are covalently bound to the polymer backbone (a), and wherein the cationic charges can independently be part of the dye or the colorless organic groups. The dyes are distinguished by their depth of shade and their good fastness properties to washing, such as, for example, fastness to light, shampooing and rubbing.

Abstract: Disclosed are polymeric dyes of formula (1a), (1b), or (1c); wherein A and B, independently from each other represent a polymer backbone; X1 and X2 independently from each other are a linkage group selected from —S—, —S—S—, —N—, —N?—, —N(R5)—, —S(O)—, —SO2—, —(CH2CH2—O)1-5—, —(CH2CH2CH2—O)1-5—, —C(O)—, —C(O)O—, —OCO—, (formula II) —CON(R1)—, —C(NR1R2)2—, —(R1)NC(O)—, —C(S)R1—; which may be interrupted and/or terminated at one or both ends by one or more than one —C1C30alkylene- or —C2-C12alkenylene-; or an optionally substituted, saturated or unsaturated, fused or non-fused aromatic or nonaromatic (heterocyclic) bivalent radical optionally comprising at least one heteroatom; a saturated or unsaturated, fused or non-fused aromatic or nonaromatic bivalent radical comprising at least one heteroatom, which is optionally substituted by C1-C30alkyl, C1-C30alkoxy, C2-C12alkenyl, C5-C10aryl, C5-C10cycloalkyl, C1-C10alkyl(C5-C10arylene), hydroxy or halogen; R1 and R2 independently from each other are hydrogen; unsubst

Abstract: Hair dyeing composition comprising (a) a dye of formula (1) (b) at least one dye selected from the compounds of formulae (2) (3) (4) wherein D is the radical of a diazo component of the formula (2a) (2b) (2c) (2d) K is the radical of a coupling component selected from aniline derivatives; phenol derivatives; naphthalene derivative; X is —CH? —O—; —S—; or —N(R7)—; R1, R2, R3 end R4 independently from each other are hydrogen; or C1-C4alkyl; R5 and R6 independently from each other are hydrogen; C1-C4alkyl; or C1-C4alkoxy; R7 and R9 independently from each other are unsubstituted or OH—, C1-C4alkoxy-, halogen-, amino-, C1-C4-mono or -dialkylamino-substituted C1-C4alkyl; or phenyl; R8 is hydrogen; C1-C4alkyl; Cl; or nitro; R10 is hydrogen; C1-C4alkyl; Cl; nitro; amino; or C1-C4mono- or C1-C4dialkylamino; R11 is hydrogen; C1-C4alkyl; or CN; R12 is unsubstituted or OH— or CN-substituted C1-C4alkyl; R13 is hydrogen; or C1-C4alkyl; R14 and R15 independently from each other are hydrogen; C1-C4alkyl; or C1-C4alkoxy; or

Abstract: Disclosed is a hair dyeing composition comprising (a) a dye of formula (1); (b) at least one dye selected from the compounds of formulae (2); wherein D is the radical of a diazo component of the formula (2a); K is the radical of a coupling component selected from aniline derivatives; phenol derivatives; and a radical of a heterocyclic coupling component; X is O—; —S—; or N(R8)—; Y is CH?; —CR15?; or N?; R1, R2, R3 and R4 independently from each other are hydrogen; or C1-C4alkyl; R5 and R6 independently from each other are hydrogen; C1-C4alkyl; or C1-C4alkoxy; R7 and R9 independently from each other are unsubstituted or OH—, C1-C4alkoxy-, halogen-, amino-, C1-C4-mono or -dialkylamino-substituted C1-C4alkyl; R8 is hydrogen; or C1-C4alkyl; R10 is hydrogen; C1-C4alkyl; or CN; R11 is unsubstituted or OH- or CN-substituted C1-C4alkyl; R12 is hydrogen; or C1-C4alkyl; R13 and R14 independently from each other are hydrogen; C1-C4alkyl; or C1-C4alkoxy; or R13 and R14 together with the nitrogen and carbon atoms joining

Abstract: Disclosed are olymeric dye of formula (1a), (1b), (1c), A and B, independently from each other represent a polymer backbone; X1 and X2 independently from each other are a linkage group selected from —C1-C30alkylene- or —C2-C12alkenylene-, which is interrupted and/or terminated at one or both ends by one or more than one —S—, —N—, —N?—, —N(R5)—, —S(O)—, —SO2—, —(CH2CH2—O)1-5—, —(CH2CH2CH2—O)1-5—, —C(O)—, —C(O)O—, —OCO—, (II), —CON(R1)—, —C(NR1R2)2—, —(R1)NC(O)—, —C(S)R1—; or an optionally substituted, saturated or unsaturated, fused or non-fused aromatic or nonaromatic (heterocyclic) bivalent radical optionally comprising at least one heteroatom; a saturated or unsaturated, fused or non-fused aromatic or nonaromatic bivalent radical comprising at least one heteroatom, which is optionally substituted by C1-C30alkyl, C1-C30alkoxy, C2-C12alkenyl, C5-C10aryl, C5-C10cycloalkyl, C1-C10alkyl(C5-C10arylene), hydroxy or halogen; R1 and R2 independently from each other are hydrogen; unsubstituted or substituted, straigh

Abstract: A highly crosslinked polysiloxane dye comprising at least 10 Si atoms, including at least one moiety of the formula (I) whose open Si-bonds each are linked to an oxygen atom and open O-bond is linked to a silicon atom in the rest of the polysiloxane, and wherein T is a direct bond or an organic spacer group such as C1-C18alkylene, C2-C12alkenylene, C5-C10cycloalkylene, C5-C10arylene, —C5-C10arylene-(C1-C10alkylene)- each of which may be end-capped towards the linkage to Dye by CO, COO, NR1, CONR1, NR1CONR1, CS, CSS, CSNR1, NR1CSNR1, O, S, SO, SO2, C5-C10cycloalkylene, C5-C10arylene; or T is C3-C18alkylene interrupted, and optionally end-capped towards the linkage to Dye, by CO, COO, NR1, CONR1, NR1CONR1, CS, CSS, CSNR1, NR1CSNR1, O, S, SO, —SO2—, C5-C10cycloalkylene, C5-C10arylene; or is CO; (CH2CH2—O)1-5; COO; N(R1); CON(R1); O; S; SO; SO2; R1 is hydrogen; unsubstituted or substituted, straight-chain or branched, monocyclic or polycyclic, interrupted or uninterrupted C1-C14alkyl; C2-C14alkenyl; C6-C10aryl; C

Abstract: Disclosed are dyes of formula wherein D is the radical of anthraquinone, acridine, azo, azomethine, hydrazomethine, benzodifuranone, coumarine, diketopyrrolopyrrol, dioxaxine, diphenylmethane, formazane, indigoid, indophenol, naphtalimide, naphthaquinone, nitroaryl, merocyanine, methine, oxazine, perinone, perylene, pyrenequinone, phtalocyanine, phenazine, quinoneimine, quinacridone, quinophtalone, stilbene, styryl, triphenylmethane, xanthene, thiazine dye and thioxanthene dye; and Q is defined herein.

Abstract: Disclosed are mixtures of sulfide dyes and dyeing compositions comprising mixtures of sulfide dyes. The dye mixtures are useful for the dyeing of organic materials, such as keratin fibers, preferably human hair.

Abstract: Disclosed are composition and method for dyeing keratin-containing fibers comprising or utilizing styryl sulfide dyes of formula (1), their salts, isomers, hydrates and other solvates, wherein R1, R?1, R2, R?2, R3, R?3, W1, W?1, W2, W?2, W3, W?3, W4, W?4, Q, Q?, Y1 and Y2 are defined in claims and disclosure.

Abstract: Disclosed are oligomeric cationic azo dyes of formula (1), their salts, isomers, hydrates and other solvates, wherein n, R1, R2, X, Y? and Z+ are defined in claims and disclosure. Furthermore, the present invention relates to novel cationic oligomeric azo dyes of formula (1), compositions, thereof, especially comprising other dyes, and to application for hair dyeing.

Abstract: Disclosed are thiol dyes of formula (1) wherein L1 is hydrogen; C1-C12alkyl; or phenyl-C1-C4alkyl; X is C1-C12alkylene, C2-C12alkenylene, C5-C10cycloalkylene, C5-C10arylene, or C5-C10arylene-C1-C10alkylene, which may by interrupted by —O—, —NH—, —S—, —CO—, o-SO2—; Y is the residue of an organic dye Z is a group of formula (1b) or —C?N; wherein A is O; S; or N-L2; B is L3; —OL3; —NL3L4; or —SL3; and L2, L3 and L4, independently from other are hydrogen; C1-C12alkyl; C5-C12aryl-C1-C12alkyl. The compounds are useful for the dyeing of organic materials, such as keratin fibers, preferably human hair.