发明名称 Photographic material and process comprising a bicyclic pyrazolo coupler.
摘要 <p>Novel bicyclic pyrazolo couplers containing a ballast group of formula (I): &lt;CHEM&gt; are useful in photographic materials and processes. The couplers exhibit increased coupling activity, and provide formation of dyes having improved maximum magenta image dye density, contrast, and development speed when employed in color photographic materials and processes.</p>
申请公布号 EP0602748(A1) 申请公布日期 1994.06.22
申请号 EP19930203527 申请日期 1993.12.15
申请人 EASTMAN KODAK COMPANY 发明人 TANG, PING WAH;COWAN, STANLEY W.
分类号 G03C7/38;C07D487/04;(IPC1-7):G03C7/38 主分类号 G03C7/38
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