Patent application number | Description | Published |
20100115711 | COMPOSITION FOR THE DYEING OF KERATIN FIBERS COMPRISING AT LEAST ONE 3-AMINO-PYRAZOLOPYRIDINE DERIVATIVE - Disclosed herein is a composition for the dyeing of keratin fibers, for example, human keratin fibers such as the hair, comprising at least one 3-amino pyrazolo-[1,5-a]-pyridine derivative or one of its addition salts and a method employing this derivative. The composition of the present disclosure makes it possible to obtain coloration in various shades that is powerful, chromatic, and aesthetic, with low selectivity and with good resistance to various aggressive factors to which the hair may be subjected, such as shampoos, the light, sweat and permanent shaping. | 05-13-2010 |
20110041261 | AZOMETHINE DIRECT DYES OR REDUCED PRECURSORS OF THESE DYES OBTAINED FROM 2-CHLORO-3-AMINO-6-METHYLPHENOL, AND HAIR DYEING METHOD STARTING FROM THESE DYES AND PRECURSORS - The invention relates to the dyeing of keratinous fibres using azomethine direct dyes of formula (I) or reduced precursors of azomethine direct dyes of formula (II) obtained from 2-chloro-3-amino-6-methylphenol. A subject-matter of the invention is a dyeing composition comprising at least one chlorinated azomethine direct dye or one reduced precursor of a chlorinated azomethine direct dye, a method for dyeing keratinous fibres which employs the said composition and their uses in the dyeing of keratinous fibres. This composition makes it possible to obtain a particularly stable and consistent colouring. | 02-24-2011 |
20110041262 | AZOMETHINE DIRECT DYES OR REDUCED PRECURSORS OF AZOMETHINE DIRECT DYES OBTAINED FROM 2-ALKYLRESORCINOLS, AND HAIR DYEING PROCESS USING THESE DYES OR PRECURSORS - The invention relates to the dyeing of keratin fibres using azomethine direct dyes or reduced precursors of azomethine direct dyes of formula (I) and (II) obtained from 2-amino-3-hydroxypyridine. The invention relates to a dye composition comprising at least one azomethine direct dye or a reduced precursor of an azomethine direct dye, to a process for dyeing keratin fibres, using the said composition, and to their uses in the dyeing of keratin fibres. This composition allows a particularly stable and fast coloration to be obtained. | 02-24-2011 |
20110041263 | AZOMETHINE DIRECT DYES OR REDUCED PRECURSORS OF AZOMETHINE DIRECT DYES OBTAINED FROM 2-ALKYLRESORCINOLS, AND HAIR DYEING PROCESS USING THESE DYES OR PRECURSORS - The invention relates to the dyeing of keratin fibres using azomethine direct dyes or precursors of azomethine dyes obtained from 2-alkylresorcinols. The invention relates to a dye composition comprising at least one azomethine direct dye or pre-cursor of an azomethine direct dye, to a process for dyeing keratin fibres, using the said composition, and to their uses in the dyeing of keratin fibres. This composition allows a particularly stable and fast coloration to be obtained. | 02-24-2011 |
20130139846 | COMPOSITION FOR DYEING KERATIN FIBERS, INCLUDING AT LEAST ONE ORTHO-DIPHENOL DERIVATIVE, ONE PARTICULAR METAL DERIVATIVE, AND ONE ALKALINIZING AGENT - A subject-matter of the invention is a composition comprising a) at least one ortho-diphenol derivative, b) at least one specific metal derivative and c) at least one basifying agent, a method for dyeing keratinous fibres by treatment of the said fibres using the ingredients a), b) et c) and the use thereof for dyeing keratinous fibres. | 06-06-2013 |
20130152314 | COMPOSITION COMPRISING AT LEAST ONE 2-PYRROLIDONE FUNCTIONALIZED WITH AN ESTER OR AMIDE RADICAL, AND AT LEAST ONE PIGMENT OR DIRECT DYE, FOR DYEING KERATIN MATERIALS - The invention relates to a composition for dyeing keratin materials, and in particular human keratin fibres such as the hair, comprising at least one 2-pyrrolidone functionalized in the 4 position with an ester or amide radical, and at least one hydrophobic direct dye or a pigment; a dyeing process using this composition. Similarly, the invention relates to the use of the said pyrrolidone combined with a direct dye or a pigment for dyeing keratin materials, and especially to the use of the said pyrrolidone for improving the colour uptake onto the fibres of direct dyes that are sparingly soluble or insoluble in aqueous-alcoholic supports. The invention also relates to novel pyrrolidone derivatives. The present invention makes it possible in particular to obtain direct dyeing on keratin materials that is fast, resistant to washing, chromatic and powerful. | 06-20-2013 |
20130167307 | COMPOSITION COMPRISING AT LEAST ONE 2-PYRROLIDONE FUNCTIONALIZED IN THE 4 POSITION WITH A CARBOXYLIC ACID OR AMIDE, AND AT LEAST ONE DIRECT DYE OR A PIGMENT FOR DYEING KERATIN FIBRES - The invention relates to a composition for dyeing keratin fibres, and in particular human keratin fibres such as the hair, comprising at least one 2-pyrrolidone functionalized in the 4 position with a carboxylic acid or amide radical, and at least one hydrophobic direct dye or a pigment; a dyeing process using this composition. Similarly, the invention relates to the use of the said pyrrolidone combined with a direct dye or a pigment for dyeing keratin fibres, and especially to the use of the said pyrrolidone for improving the colour uptake onto the fibres of direct dyes that are sparingly soluble or insoluble in aqueous-alcoholic supports. The invention also relates to novel pyrrolidone derivatives. The present invention makes it possible in particular to obtain direct dyeing on keratin fibres that is fast, resistant to washing, chromatic and powerful. | 07-04-2013 |
20130219633 | COMPOSITION COMPRISING AT LEAST ONE 1,8-DIHYDROXYNAPHTHALENE DERIVATIVE AND AT LEAST ONE BASIFYING AGENT DIFFERENT FROM AQUEOUS AMMONIA, PROCESS FOR DYEING KERATIN FIBRES USING THE COMPOSITION - The subject of the invention is a composition for dyeing keratin fibres, comprising at least one 1,8-dihydroxynaphthalene derivative and at least one basifying agent other than aqueous ammonia; the use of the composition for hair dyeing and also the use of the composition in a dyeing process for keratin fibres. The composition according to the invention makes it possible to dye keratin fibres under mild oxidizing conditions even without using an oxidation base and an aromatic amine, while at the same time covering a broad colour range with 1,8-dihydroxynaphthalene derivatives. The observed dyeing under oxidizing conditions operates under mild conditions of oxidation and/or basifying agent, in particular in the air, and does not produce any unpleasant odour. | 08-29-2013 |
20140360523 | PARTICULAR QUINONE DIRECT DYES, DYE COMPOSITION COMPRISING AT LEAST ONE SUCH DYE, IMPLEMENTATION PROCESS THEREFOR AND USE THEREOF - The present invention relates to quinone direct dyes of formula (I) below, organic or mineral acid or base salts thereof, tautomeric forms, optical isomers or geometrical isomers thereof and/or solvates thereof: and also to the use thereof for dyeing keratin fibres, in particular human keratin fibres such as the hair. The invention also relates to a composition for dyeing keratin fibres, comprising such direct dyes in a suitable dyeing medium. Similarly, a subject of the present invention is a process for dyeing keratin fibres, using the said dye composition. | 12-11-2014 |
20150027483 | TRI-AROMATIC AZOMETHINE DIRECT DYES COMPRISING AT LEAST ONE UNIT DERIVED FROM RESORCINOL, DYEING COMPOSITION, METHOD AND USE - The present invention relates to azomethine-type direct dyes with a tri-aromatic unit having the following formula (I): and their use for colouring keratin fibres, particularly human keratin fibres such as the hair. The invention also relates to a composition for dyeing keratin fibres comprising, in a suitable medium for dyeing, such direct dyes. Another subject of the present invention is a method for dyeing keratin fibres using said dyeing composition. Finally the present invention also relates to precursors for these direct dyes. | 01-29-2015 |
Patent application number | Description | Published |
20100115711 | COMPOSITION FOR THE DYEING OF KERATIN FIBERS COMPRISING AT LEAST ONE 3-AMINO-PYRAZOLOPYRIDINE DERIVATIVE - Disclosed herein is a composition for the dyeing of keratin fibers, for example, human keratin fibers such as the hair, comprising at least one 3-amino pyrazolo-[1,5-a]-pyridine derivative or one of its addition salts and a method employing this derivative. The composition of the present disclosure makes it possible to obtain coloration in various shades that is powerful, chromatic, and aesthetic, with low selectivity and with good resistance to various aggressive factors to which the hair may be subjected, such as shampoos, the light, sweat and permanent shaping. | 05-13-2010 |
20110041261 | AZOMETHINE DIRECT DYES OR REDUCED PRECURSORS OF THESE DYES OBTAINED FROM 2-CHLORO-3-AMINO-6-METHYLPHENOL, AND HAIR DYEING METHOD STARTING FROM THESE DYES AND PRECURSORS - The invention relates to the dyeing of keratinous fibres using azomethine direct dyes of formula (I) or reduced precursors of azomethine direct dyes of formula (II) obtained from 2-chloro-3-amino-6-methylphenol. A subject-matter of the invention is a dyeing composition comprising at least one chlorinated azomethine direct dye or one reduced precursor of a chlorinated azomethine direct dye, a method for dyeing keratinous fibres which employs the said composition and their uses in the dyeing of keratinous fibres. This composition makes it possible to obtain a particularly stable and consistent colouring. | 02-24-2011 |
20110041262 | AZOMETHINE DIRECT DYES OR REDUCED PRECURSORS OF AZOMETHINE DIRECT DYES OBTAINED FROM 2-ALKYLRESORCINOLS, AND HAIR DYEING PROCESS USING THESE DYES OR PRECURSORS - The invention relates to the dyeing of keratin fibres using azomethine direct dyes or reduced precursors of azomethine direct dyes of formula (I) and (II) obtained from 2-amino-3-hydroxypyridine. The invention relates to a dye composition comprising at least one azomethine direct dye or a reduced precursor of an azomethine direct dye, to a process for dyeing keratin fibres, using the said composition, and to their uses in the dyeing of keratin fibres. This composition allows a particularly stable and fast coloration to be obtained. | 02-24-2011 |
20110041263 | AZOMETHINE DIRECT DYES OR REDUCED PRECURSORS OF AZOMETHINE DIRECT DYES OBTAINED FROM 2-ALKYLRESORCINOLS, AND HAIR DYEING PROCESS USING THESE DYES OR PRECURSORS - The invention relates to the dyeing of keratin fibres using azomethine direct dyes or precursors of azomethine dyes obtained from 2-alkylresorcinols. The invention relates to a dye composition comprising at least one azomethine direct dye or pre-cursor of an azomethine direct dye, to a process for dyeing keratin fibres, using the said composition, and to their uses in the dyeing of keratin fibres. This composition allows a particularly stable and fast coloration to be obtained. | 02-24-2011 |
20130139846 | COMPOSITION FOR DYEING KERATIN FIBERS, INCLUDING AT LEAST ONE ORTHO-DIPHENOL DERIVATIVE, ONE PARTICULAR METAL DERIVATIVE, AND ONE ALKALINIZING AGENT - A subject-matter of the invention is a composition comprising a) at least one ortho-diphenol derivative, b) at least one specific metal derivative and c) at least one basifying agent, a method for dyeing keratinous fibres by treatment of the said fibres using the ingredients a), b) et c) and the use thereof for dyeing keratinous fibres. | 06-06-2013 |
20130152314 | COMPOSITION COMPRISING AT LEAST ONE 2-PYRROLIDONE FUNCTIONALIZED WITH AN ESTER OR AMIDE RADICAL, AND AT LEAST ONE PIGMENT OR DIRECT DYE, FOR DYEING KERATIN MATERIALS - The invention relates to a composition for dyeing keratin materials, and in particular human keratin fibres such as the hair, comprising at least one 2-pyrrolidone functionalized in the 4 position with an ester or amide radical, and at least one hydrophobic direct dye or a pigment; a dyeing process using this composition. Similarly, the invention relates to the use of the said pyrrolidone combined with a direct dye or a pigment for dyeing keratin materials, and especially to the use of the said pyrrolidone for improving the colour uptake onto the fibres of direct dyes that are sparingly soluble or insoluble in aqueous-alcoholic supports. The invention also relates to novel pyrrolidone derivatives. The present invention makes it possible in particular to obtain direct dyeing on keratin materials that is fast, resistant to washing, chromatic and powerful. | 06-20-2013 |
20130167307 | COMPOSITION COMPRISING AT LEAST ONE 2-PYRROLIDONE FUNCTIONALIZED IN THE 4 POSITION WITH A CARBOXYLIC ACID OR AMIDE, AND AT LEAST ONE DIRECT DYE OR A PIGMENT FOR DYEING KERATIN FIBRES - The invention relates to a composition for dyeing keratin fibres, and in particular human keratin fibres such as the hair, comprising at least one 2-pyrrolidone functionalized in the 4 position with a carboxylic acid or amide radical, and at least one hydrophobic direct dye or a pigment; a dyeing process using this composition. Similarly, the invention relates to the use of the said pyrrolidone combined with a direct dye or a pigment for dyeing keratin fibres, and especially to the use of the said pyrrolidone for improving the colour uptake onto the fibres of direct dyes that are sparingly soluble or insoluble in aqueous-alcoholic supports. The invention also relates to novel pyrrolidone derivatives. The present invention makes it possible in particular to obtain direct dyeing on keratin fibres that is fast, resistant to washing, chromatic and powerful. | 07-04-2013 |