Silver halide emulsion containing colored magenta coupler for photography
    4.
    发明授权
    Silver halide emulsion containing colored magenta coupler for photography 失效
    含有彩色品红色成色剂的卤化银乳剂用于摄影

    公开(公告)号:US4070191A

    公开(公告)日:1978-01-24

    申请号:US455121

    申请日:1974-03-27

    CPC分类号: G03C7/3335 C09B29/366

    摘要: A coloured magenta coupler for photography is disclosed which is represented by the following general formula: ##STR1## wherein R is substituted phenyl, R.sub.1 and R.sub.2 individually stand for hydrogen, halogen, hydroxyl, alkyl, alkoxy or acylamino, with the proviso that one of R.sub.1 and R.sub.2 is hydroxyl but that both are not hydroxyl simultaneously, R.sub.3 is hydrogen, halogen, alkyl, nitro or acylamino and R.sub.4 stands for hydrogen, halogen or a monovalent organic residue.

    摘要翻译: 公开了用于摄影的着色品红色成色剂,其由以下通式表示:其中R是取代的苯基,R 1和R 2各自代表氢,卤素,羟基,烷基,烷氧基或酰氨基,条件是 R 1和R 2是羟基,但同时不是羟基,R 3是氢,卤素,烷基,硝基或酰基氨基,R 4代表氢,卤素或一价有机残基。