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公开(公告)号:US4078936A
公开(公告)日:1978-03-14
申请号:US685672
申请日:1976-05-12
CPC分类号: G03C7/30535 , G03C7/30541
摘要: The two-equivalent yellow coupler having the following formula has an extremely high reactivity, produces an image of high density in color development and causes little fogging and no ground coloration: ##STR1## wherein Coupl, R.sub.1 - R.sub.5 and A are as defined hereinafter.
摘要翻译: 具有下式的双当量黄色成色剂具有非常高的反应性,产生显色浓度高的图像,并且几乎不起雾和无着色:其中Coupl,R 1 -R 5和A如下文所定义。