发明授权
- 专利标题: Photographic image-forming method
- 专利标题(中): 摄影成像方法
-
申请号: US259277申请日: 1981-04-30
-
公开(公告)号: US4332878A公开(公告)日: 1982-06-01
- 发明人: Yoshitaka Akimura , Shigeo Hirano , Hiroyuki Mifune , Eiichi Okutsu
- 申请人: Yoshitaka Akimura , Shigeo Hirano , Hiroyuki Mifune , Eiichi Okutsu
- 申请人地址: JPX Minami-ashigara
- 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 Minami-ashigara
- 优先权: JPX55-57269 19800430
- 主分类号: G03C5/29
- IPC分类号: G03C5/29 ; C07D231/56 ; G03C1/043 ; G03C1/06 ; G03C1/10 ; G03C1/42 ; G03C5/30
摘要:
A photographic image-forming method comprising imagewise exposing a silver halide photographic light-sensitive element containing a specific hydroquinone derivative in the silver halide emulsion layer of substantially the surface latent image type or at least one hydrophilic colloid layer thereof and then developing the exposed light-sensitive element in the presence of a specific hydrazine compound. The method forms a photographic image having markedly high negative gradation.
公开/授权文献
- US6130771A Radiation valve and valve array 公开/授权日:2000-10-10
信息查询
IPC分类: