发明授权
- 专利标题: Silver halide photographic materials containing novel nucleating agent
- 专利标题(中): 含有新型核化剂的银色摄影材料
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申请号: US665686申请日: 1991-03-07
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公开(公告)号: US5221593A公开(公告)日: 1993-06-22
- 发明人: Akira Onodera , Yasushi Usagawa
- 申请人: Akira Onodera , Yasushi Usagawa
- 申请人地址: JPX Tokyo
- 专利权人: Konica Corporation
- 当前专利权人: Konica Corporation
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX2-59026 19900309
- 主分类号: C07C323/60
- IPC分类号: C07C323/60 ; C07D211/46 ; C07D211/58 ; C07D213/77 ; C07D307/66 ; C07D333/36 ; C07D453/02 ; G03C1/06 ; G03C1/485
摘要:
The improved silver halide photographic material contains a novel nucleating compound that is useful either as a contrast increasing agent in light-sensitive material for use in photochemical processes or as a foggant in direct positive light-sensitive materials.
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