HYDROQUINONE ESTER BLOCKED COMPETING DEVELOPERS FOR COLOR TRANSFER ASSEMBLAGES

摘要

ABSTRACT OF THE DISCLOSUREHydroquinone esters are incorporated in photo-graphic elements for color diffusion transfer assemblagesand release a competing developer upon contact with aprocessing composition, The hydroquinone esters areemployed in a concentration sufficient, upon hydrolysis, toreduce substantially all the silver in the silver halideemulsion.