AGENT FOR DYEING FIBRES COMPRISING AN INDOLINE/INDOLIUM DERIVATIVE

摘要

The invention relates to an agent for dyeing fibres, obtained by mixing two components. The invention is characterised in that the one component (component A2) comprises at least one carbonyl compound and the other component (component A1) comprises at least one indoline derivative of formula (I), or one 3H-indolium derivative of formula (Ia) and a multi-component kit for dyeing and subsequent decolourising of fibres, comprising both said agent, for dyeing the fibre and an agent for the reductive removal of the coloration.