초록 ▼

A composition for dyeing keratinous fibers includes, in a suitable dyeing medium, at least one oxidation dye precursor and at least one coupler of formula (I) [Figure] (I) wherein R is hydrogen, C1-C4 lower alkyl, C1-C6 monohydroxyalkyl, C2-C6 polyhydroxyalkyl, or alkylcarbonyl where the alkyl group

A composition for dyeing keratinous fibers includes, in a suitable dyeing medium, at least one oxidation dye precursor and at least one coupler of formula (I) [Figure] (I) wherein R is hydrogen, C1-C4 lower alkyl, C1-C6 monohydroxyalkyl, C2-C6 polyhydroxyalkyl, or alkylcarbonyl where the alkyl groups have one to four carbon atoms, or the acid addition salts thereof. Also disclosed is a method of dyeing hair using the disclosed composition, certain novel meta-aminophenols and the use of the latter as couplers.

대표청구항 ▼

A composition for dyeing keratinous fibers comprising, in a medium suitable for dyeing said fibers, at least one oxidation dye precursor selected from the group consisting of a para-aminophenol, a para type heterocyclic precursor, a bis(phenylene)alkylenediamine and a para-phenylenediamine of formul

A composition for dyeing keratinous fibers comprising, in a medium suitable for dyeing said fibers, at least one oxidation dye precursor selected from the group consisting of a para-aminophenol, a para type heterocyclic precursor, a bis(phenylene)alkylenediamine and a para-phenylenediamine of formula (III): [Figure] (III) wherein R1, R2 and R3, each independently, represent hydrogen, halogen, alkyl having 1-4 carbon atoms, alkoxy having 1-4 carbon atoms, carboxyl, sulfo, or C1-C4 hydroxyalkyl, R4 and R5, each independently, represent hydrogen, alkyl, hydroxyalkyl, alkoxyalkyl, carbamylalkyl, mesylaminoalkyl, acetylaminoalkyl, ureidoalkyl, carbalkoxyaminoalkyl, sulfoalkyl, piperidinoalkyl, morpholinoalkyl or morpholinoalkoxy wherein the said alkyl or alkoxy groups contain 1 to 4 carbon atoms, phenyl and phenyl substituted at the para position with an amino group, or alternatively, R4 and R5, together with the nitrogen atom to which they are linked, form a piperidino or morpholino heterocycle, with the proviso that R1 or R3 represents hydrogen when R4 and R5 do not represent hydrogen, or a salt thereof, at least one coupler of formula: [Figure] (I) wherein R represents hydrogen, C1-C4 alkyl, C1-C6 monohydroxyalkyl, C2-C6 polyhydroxyalkyl, or alkylcarbonyl wherein the alkyl moiety contains from 1-4 carbon atoms, or an addition salt with an acid.