发明授权
US4675276A Silver halide photographic material 失效
卤化银照相材料

Silver halide photographic material
摘要:
A silver halide photographic material containing a mesoionic 1,2,4-triazolium-3-thiolate compound in at least one hydrophilic colloidal layer of the silver halide photographic material gives photographic images having stable and excellent quality without being accompanied by the increased formation of fog and increased changes of sensitivity and gradation upon high temperature processing.
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