KERATIN FIBRE DYE COMPOSITION CONTAINING PYRAZOLO-PYRIMIDINEOXO COMPOUNDS, USE THEREOF AS DYE COUPLERS, AND DYEING METHODS

The present invention relates to a composition for dyeing keratin fibres, in particular human hair, containing, in a medium which is suitable for dyeing:as coupler, at least one compound of formulaor one of the addition salts with an acid, withR1 denotes, in particular, hydrogen, alkyl, aryl, a hete...

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Bibliographic Details
Main Authors VIDAL, LAURENT, MALLE, GERARD
Format Patent
LanguageEnglish
French
German
Published 07.01.1999
Edition6
Subjects
HAIRDRESSING OR SHAVING EQUIPMENT
HAND OR TRAVELLING ARTICLES
HUMAN NECESSITIES
HYGIENE
MANICURING OR OTHER COSMETIC TREATMENT
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
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Summary:The present invention relates to a composition for dyeing keratin fibres, in particular human hair, containing, in a medium which is suitable for dyeing:as coupler, at least one compound of formulaor one of the addition salts with an acid, withR1 denotes, in particular, hydrogen, alkyl, aryl, a heterocycle, halogen,R2 denotes, in particular, hydrogen, halogen, alkoxy, aryloxy, acyloxy, arylthio, alkylthio,R3 has the same meanings as those for R1,Za and Zb, which are different, denote C=O or CR4, with R4 having the same meanings as R1;and at least one oxidation base.
Bibliography:Application Number: EP19970915538