PHOTOGRAPHIC MATERIAL HANDLABLE UNDER WHITE LIGHT

摘要

WHITE LIGHT HANDLEABLEPHOTOGRAPHIC MATERIALSAbstract of the DisclosureMany photographic materials must be handledunder special lighting conditions in order to preventexposure of the material. The use of large concentrationsof bleachable light absorbing layers over the photosensitiveemulsion tends to leave an undesirable residual stain.The inclusion of a specific class of low intensity recipro-city failure inducers to silver halide emulsions enablesthe emulsions and their photographic articles to be safelyhandled under white light conditions.