| abstract |
NEW 2-HYDROXY-4-AMINOBENZENES, THEIR PREPARATION PROCESS AND HAIR COLORING PRODUCTS CONTAINING THESE COMPOUNDS. THESE NEW 2-HYDROXY-4-AMINOBENZENES RESPONDING TO THE GENERAL FORMULA: (CF DRAWING IN BOPI) IN WHICH R REPRESENTS A HYDROGEN ATOM, A METHYL GROUP OR A HYDROXY-ETHYL GROUP. THE HAIR COLORING PRODUCTS INCLUDE THESE COMPOUNDS AS A COPULATION SUBSTANCE TO COLOR THE HAIR WITH OXIDATION, IN COMBINATION WITH DEVELOPMENT SUBSTANCES KNOWN IN HAIR COLORING, AS WELL AS POSSIBLE OTHER KNOWN COPULATION SUBSTANCES. THE INVENTION ALSO INVOLVES A PROCESS FOR COLORING THE HAIR IN WHICH IS APPLIED TO THE HAIR, IN THE PRESENCE OF AN OXIDIZER, THE NEW 2-HYDROXY-4-AMINOBENZENES ACCORDING TO THE INVENTION, AS A SUBSTANCE OF COPULATION, AS WELL AS A COPULATION SUBSTANCE, AS WELL AS POSSIBLE OTHER ADDITIONAL KNOWN COPULATING SUBSTANCES, IN COMBINATION WITH AT LEAST ONE DEVELOPING SUBSTANCE KNOWN AS HAIR COLORING, AND THE HAIR IS COLORED IN A SELF KNOWN WAY. |