-
公开(公告)号:US4204869A
公开(公告)日:1980-05-27
申请号:US897945
申请日:1978-04-04
CPC分类号: G03C8/28
摘要: Silver-precipitating nuclei are prepared by partially oxidizing a stannous salt reducing agent and then reducing a noble metal salt or complex with said reducing agent.
摘要翻译: 通过部分氧化亚锡盐还原剂然后与所述还原剂还原贵金属盐或络合物来制备银沉淀核。
-
公开(公告)号:US4279983A
公开(公告)日:1981-07-21
申请号:US143439
申请日:1980-04-24
申请人: Ruth C. Bilofsky , Mara O. Nestle
发明人: Ruth C. Bilofsky , Mara O. Nestle
CPC分类号: G03C8/243 , C07C323/00 , C07F1/005
摘要: A novel photographic film unit, preferably a diffusion transfer film unit adapted to provide silver images of enhanced image stability which comprises photosensitive silver halide, silver precipitating nuclei and a stabilizing compound consisting of a noble metal complexed with a ligand, said ligand being adapted to hydrolyze in aqueous alkali to provide a diffusible complex of said noble metal.
摘要翻译: 一种新颖的摄影胶片单元,优选扩散转移膜单元,其适于提供增强的图像稳定性的银图像,其包括感光卤化银,银沉淀核和由与配体络合的贵金属组成的稳定化合物,所述配体适于水解 在碱水溶液中以提供所述贵金属的扩散络合物。
-