Procedure of argentine blanking of color in photographic layers (Machine-translation by Google Translate, not legally binding)

摘要

Silver color bleaching process on photographic faces, characterized in that the layers contain, in fine distribution, at least one azo pigment of the formula (1) A-N- = N-b-nh-acyl Wherein a and b mean benzene radicals and the acylamino group is in position for the azipic group (Machine-translation by Google Translate, not legally binding)