发明授权
- 专利标题: Process for photographic development processing
- 专利标题(中): 摄影发展处理过程
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申请号: US306139申请日: 1989-02-06
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公开(公告)号: US4985348A公开(公告)日: 1991-01-15
- 发明人: Mitsunori Hirano , Masato Hirano , Morio Yagihara , Hisashi Okada
- 申请人: Mitsunori Hirano , Masato Hirano , Morio Yagihara , Hisashi Okada
- 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: JPX63-24123 19880204
- 主分类号: G03C5/26
- IPC分类号: G03C5/26 ; C07D285/12 ; C07D285/135 ; G03C5/305
摘要:
A process for development-processing a black-and-white silver halide light-sensitive material is disclosed, which comprises using a developer containing at least one compound represented by formulae (I) and (II): ##STR1## wherein R.sub.1 and R.sub.2 each represents hydrogen atom, an alkyl group or an aryl group;M represents hydrogen atom, an alkali metal atom, an alkaline earth metal atom, a quaternary ammonium salt, a quaternary phosphonium salt, an amidino group or a group capable of being converted to hydrogen or an alkali metal atom under alkaline conditions;n represents an integer of 1 or more; andZ.sup..crclbar. represents an anion.
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