Abstract: The present invention has for an object agents for coloring keratin fibers and containing at least one indolylthiazoliumazo dye of general formula (I)

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: The present invention has for an object agents for coloring keratin fibers and containing at least one indolylthiazoliumazo dye of general formula (I)

Abstract: The present invention has for an object agents for the simultaneous brightening and dyeing of keratin fibers—particularly hair—characterized in that they contain a) at least one oxidant and (b) at least one indolylthiazoliumazo dye of formula (I) and that, (c) they have a basic pH

Abstract: The object of the present invention is a ready-to-use agent for coloring keratin fibers containing (i) at least one heterocyclic hydrazone derivative of formula (I), (ii) at least one CH-active compound of formulas (II) to (IX) and (iii) at least one oxidant, a multicomponent kit and a method for coloring keratin fibers by use of said agent.

Abstract: The object of the present patent application is an agent for coloring keratin fibers based on oxidative dyes and which contains as developer at least one heterocyclic hydrazone derivative of formula (I) (with X?S or O) and as oxidant at least one persulfate salt, further objects being a multicomponent kit and a method for coloring keratin fibers by use of said agent

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: The present invention has for an object agents for the simultaneous brightening and dyeing of keratin fibers—particularly hair—characterized in that they contain a) at least one oxidant and (b) at least one indolylthiazoliumazo dye of formula (1) and that, (c) they have a basic pH

Abstract: The object of the present invention is a ready-to-use agent for coloring keratin fibers containing (i) at least one heterocyclic hydrazone derivative of formula (I), (ii) at least one aromatic enamine of formula (IIa) or an acid addition compound thereof (IIb) and (iii) at least one oxidant, a multicomponent kit and a method for coloring keratin fibers by use of said agent

Abstract: The object of the present invention is a ready-to-use agent for coloring keratin fibers containing (i) at least one heterocyclic hydrazone derivative of formula (I), (ii) at least one CH-active compound of formulas (II) to (IX) and (iii) at least one oxidant, a multicomponent kit and a method for coloring keratin fibers by use of said agent.

Abstract: 4-Aminophenol derivative of the general formula (I) or physiologically compatible, water-soluble salt thereof, and agent comprising these compounds for the oxidative dyeing of keratin fibers.

Abstract: The object of the present invention is a ready-to-use agent for coloring keratin fibers containing (i) at least one heterocyclic hydrazone derivative of formula (I), (ii) at least one aromatic enamine of formula (IIa) or an acid addition compound thereof (IIb) and (iii) at least one oxidant, a multicomponent kit and a method for coloring keratin fibers by use of said agent.

Abstract: 1,3-Diaminophenol derivatives of the general formula (I) or the physiologically compatible, water-soluble salts thereof, and composition for the oxidative dyeing of keratin fibers comprising these compounds.

Abstract: The object of the present patent application are new 2-amino-5-aminomethyl-phenol derivatives of general formula (I) and colorants for oxidative dyeing of keratin fibers, particularly human hair, containing at least one 2-amino-5-aminomethyl-phenol derivative of formula (I) as dye component; wherein R1 denotes a five-membered or a six-membered heterocyclic ring, substituted or unsubstituted, or a physiologically tolerated, water-soluble salt thereof, and wherein R1 is not an unsubstituted 3-pyridinyl ring.

Abstract: Pro-dyes of direct dyes having an enzymatically-labile functionality, e.g. glutaramide derivatives of direct dyes of formula (I) or their physiologically acceptable salts, are described, as well as compositions for dyeing keratinous fibers containing these pro-dyes, as well as compositions for dyeing keratinous fibers containing a combination of at least one pro-dye and at least one enzyme capable of cleaving the glutaramide functionality in the pro-dye. A method for dyeing keratinous fibers with the aforementioned dyeing compositions is also described.

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 invention relates to an agent for colouring fibres (A). Said agent is produced by mixing two constituents (A1) and (A2), and is characterised in that the constituent (A1) contains at least one quinonimine derivative of formula (I), and the constituent (A2) contains at least one compound from the group consisting of aromatic amines and phenols. The invention also relates to a method for colouring keratin fibres using the inventive agent.

Abstract: The present patent application has for an object colorants for dyeing keratin fibers, particularly human hair, and containing 2-amino-5-ethylphenol or a physiologically compatible, water-soluble salt thereof

Abstract: Pro-dyes of direct dyes having an enzymatically-labile functionality, e.g.

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 1