发明名称 |
Photographic material and process comprising a universal coupler |
摘要 |
<p>A photographic coupler (A) capable, upon oxidative coupling, of forming a dye that can be washed out of a photographic element containing the coupler upon processing, comprises, in the coupling position, a coupling-off group that comprises, in sequence, a releasable ballasted carbamate timing group and a releasable benzotriazole, triazole or tetrazole development inhibitor group. Such a coupler is useful in photographic silver halide materials and processes to provide improved images.</p> |
申请公布号 |
EP0520496(B1) |
申请公布日期 |
2000.08.09 |
申请号 |
EP19920110835 |
申请日期 |
1992.06.26 |
申请人 |
EASTMAN KODAK COMPANY |
发明人 |
SZAJEWSKI, RICHARD;POS IUSNY, JERROLD NEAL;STEELE, DAVID ARNOLD;CHEN, TEH-HSUAN;BURNS, PAUL ANDREW;LEONE, RONALD EDMUND;BEGLEY, WILLIAM JAMES |
分类号 |
G03C7/305;G03C7/34;(IPC1-7):G03C7/305 |
主分类号 |
G03C7/305 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|