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    • 74. 发明公开
    • Silver halide color photographic light-sensitive material
    • 卤化银彩色摄影感光材料
    • EP0115303A3
    • 1986-06-25
    • EP84100555
    • 1984-01-19
    • FUJI PHOTO FILM CO., LTD.
    • Arakawa, JunWatanabe, Toshiyuki
    • G03C07/32G03C07/26
    • G03C7/3225G03C7/32
    • A silver halide color photographic light-sensitive material is disclosed. The material is comprised of a support base having thereon a silver halide emulsion layer and two distinct types of couplers. One coupler is a diffusing dye-forming coupler which can form a dye capable of having moderate diffusibility in an emulsion layer through coupling with an oxidation product of a color developing agent. The other coupler is a high reaction rate coupler which can form a dye of the same color as that of the diffusing dye-forming coupler and that, has a coupling speed higher than that of the diffusing dye-forming coupler by a factor of 1.3 to 15. By utilizing the two types of couplers in combination with each other the resulting material can provide images with improved graininess over the entire density region of the dye image.
    • 公开了一种卤化银彩色摄影感光材料。 该材料由其上具有卤化银乳剂层和两种不同类型的成色剂的载体基材组成。 一种偶合剂是一种形成扩散染料的成色剂,它可以通过与彩色显影剂的氧化产物偶合而在乳剂层中形成能够具有适度扩散性的染料。 另一种成色剂是一种高反应速率的成色剂,它可以形成与扩散成色成色剂相同颜色的染料,并且其偶联速度比形成扩散成色剂的成色剂高1.3至 通过将两种类型的成色剂彼此组合使用,所得到的材料可以在染料图像的整个密度区域上提供具有改善的颗粒度的图像。