Invention Grant
US5354650A Photographic elements containing release compounds 失效
含有释放化合物的摄影元素

Photographic elements containing release compounds
Abstract:
Photographic elements are described which contain a release compound that during photographic processing provides an imagewise distribution of a photographically inert compound which can react with a uniform distribution of a second compound contained in the element to form a photographically active compound.
Information query
Patent Agency Ranking
0/0