Patent ID: 6228129
Filing Date: 2001-05-08
Classification: A61K,A61Q

Abstract:
A ready-to-use composition for the oxidation dyeing of keratin fibers comprising:at least one oxidation base,at least one cationic direct dye,at least one enzyme chosen from 2-electron oxidoreductases, andat least one donor for said at least one enzyme,wherein said at least one cationic direct dye is chosen froma) compounds of formula (V) below: ##STR26##in which:D is chosen from a nitrogen atom and a --CH group,R.sub.19 and R.sub.20, which may be identical or different, are chosen from a hydrogen atom; C.sub.1 -C.sub.4 alkyl radicals; and a 4'-aminophenyl radical; or form, with a carbon atom of the benzene ring of formula (V), a heterocycle,R.sub.21 and R'.sub.21, which may be identical or different, are chosen from a hydrogen atom, halogen atoms, a cyano group, C.sub.1 -C.sub.4 alkoxy radicals and acetyloxy radicals,X.sup.- is chosen from anions,A is a group chosen from structures A1 to A19 below: ##STR27## ##STR28##in which:R.sub.22 is chosen from C.sub.1 -C.sub.4 alkyl radicals which can be substituted with a hydroxyl radical, andR.sub.23 is chosen from C.sub.1 -C.sub.4 alkoxy radicalsb) compounds of formula (VI) below: ##STR29##in which:R.sub.24 is chosen from a hydrogen atom and C.sub.1 -C.sub.4 alkyl radicals,R.sub.25 is chosen from a hydrogen atom, alkyl radicals, and a 4'-aminophenyl radical or forms, with R.sub.24, a heterocycle,R.sub.26 and R.sub.27, which may be identical or different, are chosen from a hydrogen atom, halogen atoms, C.sub.1 -C.sub.4 alkyl radicals, C.sub.1 -C.sub.4 alkoxy radicals and a --CN radical,X.sup.- is chosen from anions,B is a group chosen from structures B1 to B9 below: ##STR30##in which:R.sub.28 is chosen from C.sub.1 -C.sub.4 alkyl radicals,R.sub.29 and R.sub.30, which may be identical or different, are chosen from a hydrogen atom and C.sub.1 -C.sub.4 alkyl radicals;c) compounds of formulae (VII) and (VII') below: ##STR31##in which:R.sub.31 is chosen from a hydrogen atom, C.sub.1 -C.sub.4 alkoxy radicals, halogen atoms and an amino radical,R.sub.32 is chosen from a hydrogen atom and C.sub.1 -C.sub.4 alkyl radicals or forms, with a carbon atom of the benzene ring, a heterocycle which is optionally oxygenated or substituted with at least one C.sub.1 -C.sub.4 alkyl radical,R.sub.33 is chosen from a hydrogen atom and halogen atoms,R.sub.34 and R.sub.35, which may be identical or different, are chosen from a hydrogen atom and C.sub.1 -C.sub.4 alkyl radicals,D.sub.1 and D.sub.2, which may be identical or different, are chosen from a nitrogen atom and a --CH group,m=0 or 1,wherein, when R.sub.31 is an unsubstituted amino group, D.sub.1 and D.sub.2 are both a --CH group and m=0,X.sup.- is chosen from anions,E is a group chosen from structures E1 to E8 below: ##STR32##in which:R.sub.36 is chosen from C.sub.1 -C.sub.4 alkyl radicals; andwhen m=0 and when D.sub.1 is a nitrogen atom, E can also be chosen from a group of structure E9 below: ##STR33##in which:R.sub.36 is chosen from C.sub.1 -C.sub.4 alkyl radicals, andd) the compound of formula (V43) below: ##STR34##