SPECIFIC TERTIARY P-PHENYLENEDIAMINE, DYEING COMPOSITION CONTAINING SAME AND COLOURING PROCESS USING SAID COMPOSITION

摘要

the present invention is a compound of formula (i).(see formulae (i)and its salts is added.wherein r represents a linear or branched alkyl radical, c1 - c4).a radicallinear or branched alkoxy, and c1-c4; m represents an integer of 0.4; r1is a linear or branched alkyl radical, and radical c1-c4.hydroxyalkyle.linear and branched, c2 - c4 alkoxy radical (c1 - c4) alkyl, c2 - c4.linearbranched; r2 represents a hydrogen atom, an alkyl radical, linearbranched.in hydroxyalkyle c1-c4, a radical, linear or branched, c2 - c4; radicalthe alkoxy (c1c4) alkyl, linear or branched, c2 to c4, and n is a integer.between 2 and 6.it further to the dyeing composition comprisingcompounda method of colouring of keratin fibres, in particular human, within the gamein such a composition, and a device adapted to compartments.