Photographic processes and products

摘要

A multicolor diffusion transfer photographic system wherein development of an exposed multilayer photosensitive element is effected in the presence of an oligomer which is represented by the formula R1O(CH2CH2O)mR2 wherein R1 and R2 each independently may be -CH3 or -C2H5 and m is an integer of from 4 to 10.