| Patent application number | Description | Published |
|---|
| 20080196175 | Particular Dissymmetrical Cationic Polyazo Compounds, Compositions Comprising Them as Direct Dye, Process For Dyeing Keratin Fibres and Device Therefor - The present invention concerns a new dissymmetrical cationic polyazo compounds of formula (I) Dye1-L-Dye2. The present invention also relates to dye compositions comprising such compounds as direct dye in a medium that is suitable for dyeing keratin fibres, and also to a process for dyeing keratin fibres using this composition and a multi-compartment device. The present invention provides direct dyes with which strong and varied shades that are resistant to external attacking factors such as bad weather and shampooing, for which there is no observation of any problem of change in colour over time. | 08-21-2008 |
| 20090049621 | USE FOR THE DYEING WITH LIGHTENING EFFECT OF KERATIN SUBSTANCES OF A COMPOSITION COMPRISING A FLUORESCENT CYANINE DYE - The present invention relates to the use, for the dyeing with lightening effect of human keratin substances, and in particular of human keratin fibres such as the hair, of a composition comprising at least one fluorescent cyanine dye. The present invention allows human keratin substances to be both dyed and at the same time lightened without detriment to said substances. The fluorescent dyes employed in the context of the invention also have high tinctorial affinity for keratin substances and good properties of resistance towards external agents, and especially towards shampoos. | 02-26-2009 |
| 20090062517 | Dissymmetrical Diazo Compounds Containing Having at Least One 2-imidazolium Unit and a Cationic or Non-cationic Linker, Compositions Comprising Them, Method of Coloring, and Device - The present disclosure relates to dissymmetrical cationic diazo compounds having at least one 2-imidazolium unit and a cationic or non-cationic linker. The disclosure further relates to dyeing compositions comprising such compounds as a direct dye in a medium appropriate for the dyeing of keratin fibers, and also to a method of coloring keratin fibers that employs this composition, and to a device having a plurality of compartments. | 03-05-2009 |
| 20090089939 | INDOLE-DERIVED STYRYL DYE COMPRISING AN ALKYLENE LINKER, A DYE COMPOSITION COMPRISING THIS DYE, AND A PROCESS FOR LIGHTENING KERATIN MATERIALS USING THIS DYE - The disclosure relates to the dyeing of keratin materials using indole-derived styryl dyes comprising an alkylene linker. | 04-09-2009 |
| 20090126125 | STYRYL TETRAHYDROQUINOLINIUM THIOL/DISULFIDE DYE COMPOUND AND METHOD FOR LIGHTENING KERATIN MATERIALS USING THE SAME - The present disclosure relates to the dyeing of keratin materials using thiol/disulfide styryl tetrahydroquinolinium fluorescent dyes. | 05-21-2009 |
| 20090172897 | STYRYL THIOL/DISULFIDE COMPOUND WITH A HYDROXY(CYCLO)ALKYLAMINO UNIT, PROCESS FOR LIGHTENING KERATIN MATERIALS USING SAME - The disclosure relates to the dyeing of keratin materials using styryl hydroxy(cyclo)alkylamino thiol/disulfide fluorescent dyes. Disclosed herein is a dye composition comprising a styryl hydroxy(cyclo)alkylamino thiol/disulfide fluorescent dye and a dyeing process with, for example, a lightening effect on keratin materials such as hair, using said composition. Disclosed herein are novel thiol/disulfide fluorescent dyes and the uses thereof in lightening keratin materials. This composition makes it possible to obtain a lightening effect which can be resistant and visible on dark keratin fibers. | 07-09-2009 |
| 20090211038 | HEMICYANIN STYRYL THIOL/DISULFIDE DYE, COMPOSITION COMPRISING HEMICYANIN STYRYL THIOL/DISULFIDE DYE, AND METHOD FOR LIGHTENING KERATIN MATERIALS USING HEMICYANIN STYRYL THIOL/DISULFIDE DYE - The present disclosure relates to a novel dye composition for the dyeing and/or lightening of keratin materials, such dye comprising a hemicyanin styryl chromophore thiol or disulfide dye of formula (I) or (II): | 08-27-2009 |
| 20090300856 | SPECIFIC MONOCATIONIC MONOCHROMOPHORIC COMPOUNDS OF HYDRAZONE TYPE COMPRISING A 2-, 4-PYRIDINIUM OR 2-, 4-QUINOLINIUM UNIT, SYNTHESIS THEREOF, DYE COMPOSITIONS CONTAINING THEM, AND METHOD FOR DYEING KERATIN FIBRES - One subject of the present invention is monocationic monochromophoric compounds of formula (I) and/or (II) below: | 12-10-2009 |
| 20090313769 | METHOD OF DYEING AND LIGHTENING KERATIN MATERIALS IN THE PRESENCE OF A REDUCING AGENT COMPRISING A FLUORESCENT DISULPHIDE DYE - The invention relates to a dyeing composition comprising a fluorescent disulphide dye and to a method of dyeing keratin materials, with a lightening effect, that employs said composition. It likewise relates to new fluorescent disulphide dyes and to their uses in the lightening of keratin materials. | 12-24-2009 |
| 20090320216 | Fluorescent entity, dyeing composition containing at least one fluorescent entity, and method for lightening keratin materials using said at least one fluorescent entity - The invention relates to the dyeing of keratin materials using napthylimide thiol/disulphide thiol fluorescent dyes, and to a dyeing process which has a lightening effect on keratin materials, in particular keratin fibres, especially human keratin fibres such as the hair, using said composition. It similarly relates to novel thiol/disulphide fluorescent dyes and to uses thereof in lightening keratin materials. | 12-31-2009 |
| 20100031453 | COMPOSITION FOR DYEING KERATIN FIBRES, COMPRISING A CATIONIC DIAZO DIRECT DYE CONTAINING A 2-IMIDAZOLIUM UNIT - The present invention relates to a composition for dyeing keratin fibres, comprising at least one cationic diazo direct dye chosen from the compounds of formula (I) or (II) below, the mesomeric forms thereof, and also the acid-addition salts thereof and solvates thereof. The invention allows the production of colorations that are resistant to the various attacking factors to which the hair may be subjected, especially to shampooing. The invention also makes it possible to obtain blue or violet colorations, especially sparingly chromatic blue colorations, which lead to fundamental and/or natural shades. Moreover, the direct dyes used in the context of the invention are light-stable and stable under standard lightening dyeing conditions, in particular in the presence of an oxidizing agent and/or of ammonia. | 02-11-2010 |
| 20100263139 | AZO QUINOLINIUM COMPOUNDS COMPRISING A DISULPHIDE/THIOL UNIT, COMPOSITIONS CONTAINING SAME, PROCESS FOR DYEING KERATIN FIBRES AND DEVICE - The present invention relates to thiol/disulphide azo quinolinium compounds for dyeing keratin fibres. The invention relates to a dye composition comprising a particular thiol/disulphide azo quinolinium chromophore-containing thiol or disulphide dye, and to a process for dyeing keratin fibres such as the hair, using said composition. It similarly relates to novel particular thiol/disulphide azo quinolinium chromophore-containing dyes and to the uses thereof in dyeing keratin fibres. The dyeing process according to the invention makes it possible to dye keratin fibres without damaging them, in a manner which is particularly persistent with respect to shampooing operations and common attacks. Moreover, the novel dyes according to the invention extend the colour range to violets and blues. This process also makes it possible to dye bleached keratin fibres in a strong and chromatic manner. | 10-21-2010 |
| 20100287714 | DYE COMPOSITION CONTAINING A THIOL/DISULPHIDE FLUORESCENT DYE COMPRISING AMINO GROUPS AND COMPRISING AN INTERNAL CATIONIC CHARGE, PROCESS FOR LIGHTENING KERATIN MATERIALS USING THIS DYE - The invention relates to a dye composition comprising a thiol/disulphide fluorescent dye comprising amino groups, and to a dyeing process which has a lightening effect on keratin materials, in particular keratin fibres, especially human keratin fibres such as the hair, using said composition. It similarly relates to novel thiol/disulphide fluorescent dyes and to uses thereof in lightening keratin materials. | 11-18-2010 |
| 20110011417 | DYE COMPOSITION CONTAINING A THIOL/DISULPHIDE FLUORESCENT DYE COMPRISING A HETEROCYCLE,AND COMPRISING AN INTERNAL CATIONIC CHARGE, PROCESS FOR LIGHTENING KERATIN MATERIALS USING THIS DYE - The invention relates to a dyeing composition containing a thiol/disulphide fluorescent colorant comprising a heterocycle, and to a method for colouring keratin materials, especially keratin fibres, particularly human keratin fibres such as hair, with a lightening effect, using said composition. The invention also relates to novel thiol/disulphide fluorescent colorants and the uses thereof for lightening keratin materials. Said composition produces a lightening effect which is especially tenacious and visible on dark keratin fibres. | 01-20-2011 |
