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.
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
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