Abstract: The invention relates to novel bis-para-phenylenediamine derivatives containing a pyrrolidyl group substituted with a cationic radical, to dye compositions containing them and to the process of dyeing keratin fibres using these compositions. The present invention makes it possible to obtain a chromatic, powerful, sparingly selective and colourfast coloration of keratin fibres.

Abstract: The disclosure provides para-phenylenediamine compounds, dye compositions comprising the para-phenylenediamines, and processes for dyeing keratin fibers using the compositions.

Abstract: The invention relates to triazacyclononane derivatives substituted on at least one of the nitrogen atoms with a substituted or unsubstituted 4?-aminophenyl group, and also to the use thereof as oxidation bases for dyeing keratin fibres and in particular human keratin fibres such as the hair. The invention also relates to a composition for dyeing keratin fibres, and in particular human keratin fibres such as the hair, comprising at least one triazacyclononane derivative substituted on at least one of the nitrogen atoms with a 4?-aminophenyl group, as oxidation base, and also to the dyeing process using this composition. The present invention makes it possible in particular to obtain strong, sparingly selective and fast coloration of keratin fibres.

Abstract: The subject of the invention is a composition for the oxidation dyeing of keratinous fibres, in particular human hair, comprising an oxidation base of the para-phenylenediamine type, substituted with a diazacycloheptane radical. The invention also relates to the method for dyeing fibres using this composition, and the novel compounds of the type mentioned above.

Abstract: The subject of the invention is a composition for the oxidation dyeing of keratinous fibers, and in particular human keratinous fibers such as hair, comprising, as oxidation base, a 1-(4-aminophenyl)pyrrolidine substituted at the 2- and 4-positions. The subject of the invention is also the method for the oxidation dyeing of keratinous fibers using these compositions.

Abstract: The disclosure relates to novel para-phenylenediamine derivatives containing a cyclic diaza group, substituted with a cationic radical, as well as to the dye compositions comprising them, and to the method of dyeing keratin fibers using these compositions. Tthe present invention may make it possible to obtain a chromatic, strong, relatively unselective and fast coloration on keratin fibers.

Abstract: The present disclosure relates to a novel a para-phenylenediamine derivative substituted with a pyrrolidinyl group of formula (I) and the addition salts thereof. The present disclosure also relates to a dyeing composition for keratin fibers comprising the paraphenylene derivative as at least one oxidation base, and to a process for dyeing keratin fibers and a multi-compartment kit using the claimed dye composition. Such a composition makes it possible to obtain a chromatic, powerful, unselective and fast coloration of keratin fibers.

Abstract: In one embodiment, the disclosure relates to a composition for dyeing keratin fibres, for example, human keratin fibres such as the hair, comprising at least one para-phenylenediamine derivative substituted with a diazacyclohexane or diazacycloheptane ring, the nitrogen in position 4 of which is a quaternary ammonium. The present disclosure may make it possible, for example, to obtain at least one of chromatic, strong, relatively unselective, fast coloration of keratin fibres.

Abstract: Novel pyrrolidinyl-substituted para-phenylenediamine derivatives comprising a cationic radical, the dye compositions comprising them and the process for dyeing keratin fibers using these compositions, making it possible to obtain a chromatic, powerful, unselective and fast coloration of keratin fibers.

Abstract: The invention relates to novel bis-para-phenylenediamine derivatives containing a pyrrolidyl group substituted with a cationic radical, to dye compositions containing them and to the process of dyeing keratin fibres using these compositions.

Abstract: The subject of the invention is a composition for the oxidation dyeing of keratinous fibers, and in particular human keratinous fibers such as hair, comprising, as oxidation base, a 1-(4-aminophenyl)-pyrrolidine substituted at the 2-position.

Abstract: The subject of the invention is a composition for the oxidation dyeing of keratinous fibers, and in particular human keratinous fibers such as hair, comprising, as oxidation base, a 1-(4-aminophenyl)-pyrrolidine substituted at least at the 2- and 3-positions.

Abstract: The subject of the invention is a composition for the oxidation dyeing of keratinous fibers, and in particular human keratinous fibers such as hair, comprising, as oxidation base, a 1-(4-aminophenyl)pyrrolidine substituted at the 2- and 4-positions.

Abstract: The invention relates to novel pyrrolidyl-substituted para-phenylenediamine derivatives, to dye compositions containing them and to the process for dyeing keratin fibers using these compositions.

Abstract: The subject of the invention is a composition for the oxidation dyeing of keratinous fibers, and in particular human keratinous fibers such as hair, comprising, as oxidation base, a 1-(4-aminophenyl)-pyrrolidine substituted at the 3- and 4-positions.

Abstract: The subject of the invention is a composition for the oxidation dyeing of keratinous fibers, and in particular human keratinous fibers such as hair, comprising, as oxidation base, a 1-(4-aminophenyl)pyrrolidine substituted at the 2- and 5-positions.

Abstract: Disclosed herein are: a composition for dyeing keratin fibers, for example, human keratin fibres such as hair, comprising at least one para-phenylenediamine derivative comprising a pyrrolidyl group substituted with a silyl radical; a process for dyeing keratin fibers using this composition; and novel para-phenylenediamine derivatives comprising a pyrrolidyl group substituted with a silyl, radical.

Abstract: Novel pyrrolidinyl-substituted para-phenylenediamine derivatives comprising a cationic radical, the dye compositions comprising them and the process for dyeing keratin fibers using these compositions, making it possible to obtain a chromatic, powerful, unselective and fast coloration of keratin fibers.

Abstract: The invention concerns novel dyeing compositions for keratinous fibers comprising at least a paraphenylenediamine derivative with pyrrolidinyl group as oxidation base, a dyeing method and a dyeing kit using said composition.