COMPOSITION TINCTORIALE POUR FIBRES KERATINIQUES A BASE DE 2-NITROMETAPHENYLENEDIAMINES, PROCEDE DE PREPARATION DE CES COMPOSES ET NOUVELLES 2-NITRO-METAPHENYLENEDIAMINES UTILISEES

• Main Author: ALEX JUNINO, GERARD LANG, NICOLE JEHANNO ET JEAN-JACQUES VANDENBOSCHE
• Format: Patent
• Language: French
• Published: 01.12.1989
• Edition: 4
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; ADHESIVES; APPARATUS THEREFOR; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM; DYEING OR PRINTING TEXTILES; DYES; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; GENERAL METHODS OF ORGANIC CHEMISTRY; HUMAN NECESSITIES; HYGIENE; LAKES; LAUNDERING; MEDICAL OR VETERINARY SCIENCE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; ORGANIC CHEMISTRY; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; PAINTS; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; POLISHES; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS; TEXTILES; THEIR RELEVANT APPARATUS; TRANSPORTING; TREATMENT OF TEXTILES OR THE LIKE

A dye composition for keratinous fibres comprising a solvent and at least one dye which is a compound of formula: (I) in which R1 and R2 are each, independently of each other, hydrogen, an alkyl group, a mono- or polyhydroxylated alkyl group, an alkyl group substituted by an alkoxy or hydroxyalkoxy group, or an aminoalkyl group, the amino group of which is optionally substituted with one or two alkyl or hydroxyalkyl groups, and it being possible for the nitrogen atom also to form part of a heterocyclic ring, all the abovementioned alkyl groups or moieties containing from 1 to 6 carbon atoms, or, of the compound of formula (I) contains an amino group which can be salified, a cosmetically acceptable salt thereof.