[EN] CATIONIC DICHROMOPHORIC COMPOUND CONTAINING TWO UNITS OF HYDRAZONE TYPE AND COMPRISING A CATIONIC LINKER ARM, DYE COMPOSITION COMPRISING AT LEAST ONE SUCH COMPOUND, METHOD FOR THE USE THEREOF AND USES<br/>[FR] COMPOSE DICHROMOPHORIQUE CATIONIQUE COMPORTANT DEUX MOTIFS DE TYPE HYDRAZONE ET A BRAS DE LIAISON CATIONIQUE, COMPOSITION TINCTORIALE COMPRENANT AU MOINS UN TEL COMPOSE, PROCEDE DE MISE EN OEVRE ET UTILISATIONS
申请人:OREAL
公开号:WO2007122340A1
公开(公告)日:2007-11-01
[EN] The present application relates to a novel family of cationic dichromophoric compounds containing two units of hydrazone type connected by a cationic linker arm, which can be used as a direct dye, and to a dye composition for dyeing keratin fibres, in particular human keratin fibres such as the hair, comprising at least one such compound in a suitable dyeing medium. The present application also relates to the dyeing method using this composition and to the uses thereof. [FR] La présente demande a pour objet une nouvelle famille de composés dichromophoriques cationiques comportant deux motifs de type hydrazone reliés par un bras de liaison cationique, utilisables en tant que colorant direct, une composition tinctoriale pour la teinture des fibres kératiniques, en particulier des fibres kératiniques humaines telles que les cheveux, comprenant dans un milieu de teinture approprié au moins un tel composé. La présente demande a aussi pour objet le procédé de teinture mettant en oeuvre cette composition et ses utilisations.
Polycationic monochromophoric hydrazone compounds, dye compositions comprising such polycationic compounds and dyeing process using them
申请人:David Herve
公开号:US20080263785A1
公开(公告)日:2008-10-30
The present disclosure relates to polycationic monochromophoric hydrazone compounds of following formula (I):
wherein W
1
is a heteroaromatic radical comprising 5 or 6 ring members, optionally condensed with an aromatic ring comprising 6 ring members, comprising a quaternized nitrogen atom and optionally another heteroatom which may or may not be identical to nitrogen; X, which may or may not be identical, is a nitrogen atom or a CR
2
group; Z is a cationic group comprising at least one quaternized nitrogen atom.
The present disclosure also relates to a composition for dyeing human keratin fibers comprising the polycationic compounds disclosed herein, and to a dyeing process using the composition of the present disclosure, and even further to multicompartment device.
Dicationic bis-hydrazone compound, dye composition comprising at least one such compound, implementation process therefor and uses thereof
申请人:David Herve
公开号:US20060096043A1
公开(公告)日:2006-05-11
The present disclosure relates to a novel family of dicationic bis-hydrazone compounds that may be used as direct dyes, and to a dye composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyeing medium, at least one such compound. Also disclosed are dyeing processes implementing this composition and uses thereof.