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(A1) 申请公布日期 1992.12.30
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 主分类号 G03C7/305
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