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    • 1. 发明公开
    • Silver halide color photographic light-sensitive elements having improved image quality
    • 西班牙语黑社会主义者传播者Bildqualität
    • EP1055967A1
    • 2000-11-29
    • EP99110137.9
    • 1999-05-25
    • Tulalip Consultoria Comercial Sociedade Unipessoal S.A.
    • Avidano, MauroBiavasco, RaffaellaBrignone, DiegoRocca, GiuseppeTavella, Luisa
    • G03C7/30G03C7/305
    • G03C7/3003G03C7/3022G03C7/3029G03C7/30558G03C7/30594G03C2001/03535G03C2001/03558G03C2007/3037Y10S430/158
    • The present invention relates to a light-sensitive silver halide color multilayer photographic material which comprises a support base having coated thereon at least three red-sensitive emulsion layers having different sensitivity, at least three green-sensitive emulsion layers having different sensitivity, and at least two yellow-sensitive emulsion layers having different sensitivity, wherein

      (a) a core-shell silver halide emulsion having an average silver iodide content lower than 10% mol is present in at least one of the lowest sensitive red-, green-and yellow layers,
      (b) a yellow dye forming malonodiamide DIR coupler having in the coupling position thereof a 4,7-dihalogen-2-benzotriazolyl group is present in both the medium sensitive red- and green-sensitive layers, and
      (c) a yellow dye forming DIR coupler having a 1,2,4-triazolyl group attached to the coupling position, such 1,2,4-triazolyl group comprising a hydrolizable alkoxy-or aryloxy-carbonyl group attached to a benzytlthio substituent on the 1,2,4-triazolyl group is present in at least one of the highest sensitive red- and green-sensitive layers.
    • 本发明涉及一种感光卤化银彩色多层感光材料,其包括其上涂覆有至少三种具有不同灵敏度的感红乳剂层的支撑基质,至少三种具有不同灵敏度的感绿乳剂层,至少 两个具有不同灵敏度的黄敏感乳剂层,其中(a)平均碘化银含量低于10%摩尔的核 - 壳卤化银乳剂存在于至少一种最低敏感的红,绿和黄层中 ,(b)具有4,7-二卤代-2-苯并三唑基的偶联位置的黄色染料形成丙二酰胺DIR成色剂存在于中敏感红和绿敏感层中,和(c)黄色染料 形成具有连接到偶联位置的1,2,4-三唑基的DIR成色剂,所述1,2,4-三唑基包含连接到苄硫基的可水解烷氧基 - 或芳氧基 - 羰基 至少一个最敏感的红色和绿色敏感层中存在1,2,4-三唑基上的取代基。