Silver halide photographic light sensitive material

Details Silver halide photographic light sensitive material Silver halide photographic light sensitive material

G - Physics

03

C

96/114

G03C 7/26 (2006.01) G03C 7/28 (2006.01)

Patent

CA 1313791

ABSTRACT A silver halide photographic light sensitive material, which contains at least one magenta dye image forming coupler expressed by the following general formula [I], at least one piperazine or homopiperazine compound expressed by the follow- ing general formula [XIIIa], at least one compound selected from a coumarane or a chroman compounds expressed by general formula [XIIIa] and hydoxyindane compounds expressed by [XIIIb], below, is described as being stable to light and moisture, and featuring an excellent color reproducibility. General formula [I] Image General formula [XII] Image General formula [XIIIa] Image General formula [XIIIb] Image The effect of the invention is further improved by addi- tionally employing a metallic compound wherein an optical quenching rate of singlet oxygen is more than 3 x 107M-1.sec-1.

536747

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