发明名称 Photographic material and process comprising wash-out naphtholic coupler
摘要 A photographic naphtholic coupler comprising a ballast free naphtholic coupler moiety containing a -CONH2 group in the 2-position and a ballasted coupling-off group in the 4-position enables good wash out of dye formed upon oxidative coupling from a photographic material during processing of such a photographic material. Such a naphtholic coupler is useful in photographic silver halide materials and processes.
申请公布号 US5234800(A) 申请公布日期 1993.08.10
申请号 US19910733554 申请日期 1991.07.22
申请人 EASTMAN KODAK COMPANY 发明人 BEGLEY, WILLIAM J.;CHEN, TEH-HSUAN;LING, HANS G.
分类号 G03C7/305 主分类号 G03C7/305
代理机构 代理人
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