发明名称 |
Silver halide color photographic material containing pyrazole-substituted couplers |
摘要 |
Disclosed is a silver halide color photographic material having at least one silver halide emulsion layer on a support, in which at least one layer constituting the material contains a coupler of formula (I): <IMAGE> (I) where R1 represents an electron-attracting substituent having a Taft's substituent constant sigma * value of +0.52 or more; R2 represents a branched alkyl group; and X represents a pyrazolyl group. The material has excellent heat stability, sensitivity, gradation and color image fastness, and it also has excellent color forming capacity and absorption characteristics.
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申请公布号 |
US5500334(A) |
申请公布日期 |
1996.03.19 |
申请号 |
US19920941179 |
申请日期 |
1992.09.04 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
MIZUKAWA, YUKI;NARUSE, HIDEAKI;WATANABE, TOSHIYUKI;SATO, TADAHISA |
分类号 |
G03C7/38;G03C7/305;(IPC1-7):G03C7/38 |
主分类号 |
G03C7/38 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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