| 发明名称 |
PROCESS FOR STABILIZING A PHOTOGRAPHIC MATERIAL CONTAINING A MAGENTA COUPLER |
| 摘要 |
<p>Photographic material containing magenta coupler is stabilized by incorporating a dibenzoxaphosphorin of the formula <IMAGE> into the emulsion layer containing the coupler or into an adjoining colloid layer. The yellowing on dark storage of such material is substantially reduced as a result. The symbols A and n are defined in claim 1.</p> |
| 申请公布号 |
EP0181289(B1) |
申请公布日期 |
1988.09.07 |
| 申请号 |
EP19850810503 |
申请日期 |
1985.11.01 |
| 申请人 |
CIBA-GEIGY AG |
发明人 |
TSCHOPP, PAUL;LEPPARD, DAVID G. |
| 分类号 |
G03C7/26;C07F9/6571;G03C7/38;G03C7/392;(IPC1-7):G03C7/26;C07F9/48 |
主分类号 |
G03C7/26 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
