发明授权
- 专利标题: Silver salt diffusion transfer material sensitized for blue light
- 专利标题(中): 银盐扩散转移材料对蓝光敏感
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申请号: US09562945申请日: 2000-05-03
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公开(公告)号: US06261733B1公开(公告)日: 2001-07-17
- 发明人: Paul Coppens , Ludo Vervloet , Paul Callant
- 申请人: Paul Coppens , Ludo Vervloet , Paul Callant
- 优先权: EP99201522 19990510
- 主分类号: G03C806
- IPC分类号: G03C806
摘要:
According to the present invention, there is provided a silver salt diffusion transfer material, comprising on a hydrophilic surface of a support in the order given (i) an image receiving layer containing physical development nuclei, (ii) a photosensitive layer containing a silver halide emulsion being in water permeable relationship with said image receiving layer and (iii) a top layer containing gelatin, said silver halide emulsion being spectrally sensitized with a dye with a sensitizing maximum between 380 and 430 nm, characterized in that said top layer comprises a compound I and/or a compound II
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