发明名称 Cyan dye forming coupler for photographic use.
摘要 <p>A novel cyan dye-forming coupler suitable for color photographic materials is disclosed. The coupler forms a cyan dye images excellent in resistivities to heat and moisture and fastness to light. The coupler has the following a chemical structure of Formula 1; &lt;CHEM&gt; wherein X represents a group a group or atom, except hydrogen atom, capable of being split off upon reaction with the oxidized product of a color developing agent; R1, R2 and Y individually represent a hydrogen atom or a substituent; n is an integer of zero to 4, provided that the R2s may be the same with or different from each other when n is 2, 3 or 4.</p>
申请公布号 EP0329036(A2) 申请公布日期 1989.08.23
申请号 EP19890102349 申请日期 1989.02.10
申请人 KONICA CORPORATION 发明人 TACHIBANA, KIMIE;KANEKO, YUTAKA
分类号 C07D487/04;G03C7/305;G03C7/38 主分类号 C07D487/04
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