Oxidation dyeing composition for keratinous fibers containing a paraphenylenediamine derivative and dyeing method using same
AssigneeL'oreal
InventorsMarie-Pascale Audousset, Jean Cotteret
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Abstract
A composition for the oxidation dyeing of keratinous fibers such as hair, comprises at least one para-phenylenediamine derivative as oxidation base, in combination with at least one coupler of meta-aminophenol or meta-diphenol type, and the dyeing process employing this composition.
Claims37
A composition for the oxidation dyeing of keratinous fibres, wherein said composition comprises, in a medium appropriate for dyeing:
- at least one oxidation base chosen from para-phenylenediamines of formula (I) and acid addition salts thereof:
- in which:
- R1 is chosen from a hydrogen atom, mesyl radicals, carbamoyl radicals, and acetyl radicals,
- n is an integer ranging from 1 to 4;
- and
- at least one coupler chosen from compounds of formula (II) and acid addition salts thereof:
- in which:
- R2 is chosen from a hydroxyl radical and NHR4 groups where R4 is chosen from a hydrogen atom, C1-C4 alkyl radicals, C1-C4 monohydroxyalkyl radicals, and C2-C4 polyhydroxyalkyl radicals,
- R3 is chosen from a hydrogen atom, C1-C4 alkyl radicals, C1-C4 alkoxy radicals and halogen atoms, wherein said halogen atoms are chosen from chlorine, bromine and fluorine;
- it being understood that, when n=2, when R1 represents a mesyl radical, when R3 represents a methyl radical in the 6 position and when R2 represents an NHR4 group, then R4 is other than a hydrogen atom.
A method for dyeing keratinous fibres, comprising the steps of contacting said fibres for a time sufficient to achieve color development, with a dye composition comprising, in a medium appropriate for dyeing:
- at least one oxidation base chosen from para-phenylenediamines of formula (I) and acid addition salts thereof:
- in which:
- R1 is chosen from a hydrogen atom, mesyl radicals, carbamoyl radicals, and acetyl radicals,
- n is an integer ranging from 1 to 4;
- and
- at least one coupler chosen from compounds of formula (II) and acid addition salts thereof;
- in which:
- R2 is chosen from a hydroxyl radical and NHR4 groups where R4 is chosen from a hydrogen atom, C1-C4 alkyl radicals, C1-C4 monohydroxyalkyl radicals, and C2-C4 polyhydroxyalkyl radicals,
- R3 is chosen from a hydrogen atom, C1-C4 alkyl radicals, C1-C4 alkoxy radicals and halogen atoms, wherein said halogen atoms are chosen from chlorine, bromine and fluorine;
- it being understood that, when n=2, when R1 represents a mesyl radical, when R3 represents a methyl radical in the 6 position and when R2 represents an NHR4 group, then R4 is other than a hydrogen atom.
A multi-compartment dyeing device or kit for dyeing keratin fibers, comprising at least two compartments, wherein
- a first compartment contains a dyeing composition, in a medium appropriate for dyeing, comprising:
- at least one oxidation base chosen from para-phenylenediamines of formula (I) and acid addition salts thereof:
- in which:
- R1 is chosen from a hydrogen atom, mesyl radicals, carbamoyl radicals, and acetyl radicals,
- n is an integer ranging from 1 to 4;
- and
- at least one coupler chosen from compounds of formula (II) and acid addition salts thereof:
- in which:
- R2 is chosen from a hydroxyl radical and NHR4 groups where R4 is chosen from a hydrogen atom, C1-C4 alkyl radicals, C1-C4 monohydroxyalkyl radicals, and C2-C4 polyhydroxyalkyl radicals,
- R3 is chosen from a hydrogen atom, C1-C4 alkyl radicals, C1-C4 alkoxy radicals and halogen atoms, wherein said halogen atoms are chosen from chlorine, bromine and fluorine;
- it being understood that, when n=2, when R1 represents a mesyl radical, when R3 represents a methyl radical in the 6 position and when R2 represents an NHR4 group, then R4 is other than a hydrogen atom;
- and
- a second compartment contains an oxidizing composition.
Dependencies are inferred from the claim text.