发明授权
US5633390A Silver halide photographic material containing pyrazolone-pentamethine
oxonol dye
失效
含有吡唑啉酮 - 五甲氧基氧杂菁染料的卤化银照相材料
- 专利标题: Silver halide photographic material containing pyrazolone-pentamethine oxonol dye
- 专利标题(中): 含有吡唑啉酮 - 五甲氧基氧杂菁染料的卤化银照相材料
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申请号: US679907申请日: 1996-07-15
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公开(公告)号: US5633390A公开(公告)日: 1997-05-27
- 发明人: Tetsuo Nakamura , Shigeru Ohno , Kiyoshi Kawai
- 申请人: Tetsuo Nakamura , Shigeru Ohno , Kiyoshi Kawai
- 申请人地址: JPX Kanagawa
- 专利权人: Fuji Photo Film Co., Ltd.
- 当前专利权人: Fuji Photo Film Co., Ltd.
- 当前专利权人地址: JPX Kanagawa
- 优先权: JPX6-214314 19940817
- 主分类号: C09B23/08
- IPC分类号: C09B23/08 ; G03C1/83 ; C07D231/24
摘要:
The pyrazolone-pentamethine oxonol compound represented by the formula (Ib): ##STR1## in which A.sup.3 is methyl, ethyl or sulfoethyl; each of Q.sub.6 and Q.sub.7 independently is hydrogen, methyl, ethyl or sulfoethyl; M.sup.5 is sodium or potassium; and M.sup.6 is hydrogen, sodium or potassium.