| 发明名称 |
Dihydrazides |
| 摘要 |
This subject invention relates to novel dihydrazide compounds useful as dot-promoting agents in photographic image systems, methods for making them, and to photographic materials which comprise these compounds.
|
| 申请公布号 |
US5686222(A) |
申请公布日期 |
1997.11.11 |
| 申请号 |
US19960761437 |
申请日期 |
1996.12.06 |
| 申请人 |
ILFORD A.G. |
发明人 |
FRYBERG, MARIO;GOETTEL, OTTO;STAUNER, THOMAS |
| 分类号 |
C07C243/38;C07C323/37;C07D213/22;C07D213/68;C07D213/70;C07D235/08;C07D295/15;C07D521/00;G03C1/06;(IPC1-7):G03C1/295;G03C1/485 |
主分类号 |
C07C243/38 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
