发明授权
US3947274A Silver halide photographic material containing an isourea derivative as antifoggant 失效
含有异氰脲酸衍生物的卤化银照相材料

Silver halide photographic material containing an isourea derivative as
antifoggant
摘要:
A photographic light-sensitive material comprising a support having thereon at least one silver halide photographic emulsion layer with at least one of the layers of the photographic light-sensitive material containing a compound represented by the following general formula (I) or (II) ##EQU1## wherein R.sub.1, R.sub.2, and R.sub.3 each represents a hydrogen atom, an alkyl group, an aryl group or a heterocyclic ring residue, and R.sub.2 and R.sub.3 can combine to form an alkylene group; R.sub.4 represents those groups other than a hydrogen atom as described for R.sub.1, R.sub.2 and R.sub.3 ; and R.sub.5 represents an alkylene group of a polyoxyalkylene group having at least 4 carbon atoms, or the organic acid salt or mineral acid salt thereof.
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