专利检索 ap:("NOBUO YAMAMOTO" OR "TADAO HATANO" OR "ISAO SHIMAMURA" OR "HARUHIKO IWANO") AND inv:"IWANO HARUHIKO" 第 1 页

1.

发明授权
Imagewise exposed gelatino silver halide emulsion treated with pyruvic aldehyde hardener 失效
标题翻译：用PYRUVIC ALDEHYDE HARDENER处理曝光的GELATINO SILVER HALIDE乳液

公开(公告)号：US3695883A

公开(公告)日：1972-10-03

申请号：US3695883D

申请日：1970-08-27

申请人： NOBUO YAMAMOTO , TADAO HATANO , ISAO SHIMAMURA , HARUHIKO IWANO

发明人： YAMAMOTO NOBUO , HATANO TADAO , SHIMAMURA ISAO , IWANO HARUHIKO

IPC分类号： G03C5/26 , G03C5/38 , G03C5/30

CPC分类号： G03C5/38 , G03C5/268

摘要： A PROCESS FOR THE HARDENING TREATMENT OF A SILVER HALIDE PHOTOGRAPHIC MATERIAL COMPRISING TREATING THE SILVER HALIDE PHOTOGRAPHIC MATERIAL WITH PYRUVIC ALDEHYDE DURING A PHOTOGRAPHIC PROCESSING STEP IS DISCLOSED.