申请人:KONICA CORPORATION
公开号:EP0240852A2
公开(公告)日:1987-10-14
A silver halide photographic light-sensitive material containing a 1H-pyrazolo[3,2-c]-s-triazole type magenata coupler is disclosed. The magenta coupler has an -SO₂- group and at least one group selected from the group consisting of a -COOM group and a -SO₃M group, M being a hydrogen atom or a cation, in its molecule. The photographic material is improved in color development performance and preservability of magenta images.
本发明公开了一种含有 1H-吡唑并[3,2-c]-s-三唑型品红耦合剂的卤化银感光材料。品红耦合剂分子中含有一个 -SO₂- 基团和至少一个选自 -COOM 基团和 -SO₃M 基团(M 为氢原子或阳离子)的基团。这种感光材料在显色性能和品红色图像的保存性方面都有所改进。