发明授权
US4121934A Silver halide photographic light-sensitive material 失效
卤化银照相感光材料

Silver halide photographic light-sensitive material
摘要:
A photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer containing a coupling compound which forms a colorless compound with oxidized developer, said coupling compound having the formula ##STR1## wherein R, X and Y are defined in the specification.
信息查询
0/0