2. Oxidation of dye precursors to form color bearing chromophores Chromophores, typically pdiaminesand p-aminophenols, are formed by the oxidizingaction of hydrogen peroxide in the presence of several color couplers.
2. Oxidation of dye precursors to form color bearing chromophores Chromophores, typically pdiaminesand p-aminophenols, are formed by the oxidizingaction of hydrogen peroxide in the presence of several color couplers.