发明授权
US5380638A Cyan dye-forming coupler and a silver halide color photographic material
containing the same
失效
青色染料成色剂和含有它们的卤化银彩色感光材料
- 专利标题: Cyan dye-forming coupler and a silver halide color photographic material containing the same
- 专利标题(中): 青色染料成色剂和含有它们的卤化银彩色感光材料
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申请号: US956105申请日: 1992-10-02
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公开(公告)号: US5380638A公开(公告)日: 1995-01-10
- 发明人: Hiroo Takizawa , Hideotoshi Kobayashi , Hideki Naito
- 申请人: Hiroo Takizawa , Hideotoshi Kobayashi , Hideki Naito
- 申请人地址: JPX Kanagawa
- 专利权人: Fuji Photo Film Co., Ltd.
- 当前专利权人: Fuji Photo Film Co., Ltd.
- 当前专利权人地址: JPX Kanagawa
- 优先权: JPX3-287226 19911008
- 主分类号: G03C7/34
- IPC分类号: G03C7/34
摘要:
There is disclosed a cyan dye-forming coupler represented by the following formula (I) and a silver halide color photographic material containing the same: formula (I) ##STR1## wherein R represents a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or an aryl group having 6 to 20 carbon atoms, Y represents a group capable of substitution onto a benzene ring, Z represents a group capable of substitution onto a naphthalene ring, X represents a hydrogen atom or a coupling-off group, m is an integer of 0 to 4, and n is an integer of 0 to 4.
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