| 发明名称 |
Azlactone based photographic reagents. |
| 摘要 |
<p>Novel compounds derived from azlactones act as precursors for photographically active groups. The active groups are released at an appropriate time in the use of photographic and photothermographic systems.</p> |
| 申请公布号 |
EP0473457(A2) |
申请公布日期 |
1992.03.04 |
| 申请号 |
EP19910307991 |
申请日期 |
1991.08.30 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
KREPSKI, LARRY R.;SIMPSON, SHARON M. |
| 分类号 |
C07D231/08;C07D235/06;C07D235/08;C07D237/32;C07D249/10;C07D249/12;C07D249/18;C07D257/04;G03C1/498;G03C7/305;(IPC1-7):C07D249/18 |
主分类号 |
C07D231/08 |
| 代理机构 |
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代理人 |
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| 地址 |
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