发明授权
- 专利标题: Direct positive photographic material
- 专利标题(中): 直接正面摄影材料
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申请号: US101693申请日: 1987-09-28
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公开(公告)号: US4880727A公开(公告)日: 1989-11-14
- 发明人: Noriyuki Inoue , Tatsuo Heki
- 申请人: Noriyuki Inoue , Tatsuo Heki
- 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: JPX61-226292 19860926; JPX61-226295 19860926
- 主分类号: G03C1/485
- IPC分类号: G03C1/485
摘要:
A direct positive photographic material comprising a support having provided thereon one or more hydrophilic colloid containing layers, wherein at least one of said hydrophilic colloid containing layers is an internal latent image type silver halide emulsion which has not been previously fogged and at least one of said emulsion layer or other hydrophilic colloid containing layer contains a colloidal metal or a colloidal water-insoluble metallic sulfide, selenide or telluride, and a method for forming a direct positive from the direct positive photographic material in which a light-sensitive material contains at least two layers containing colloidal silver.
公开/授权文献
- USD430038S Bottle for water dispenser 公开/授权日:2000-08-29
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