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    • 6. 发明申请
    • Color photographic element comprising a common chromogenic coupler
    • 彩色照相元件包括共同的显色成色剂
    • US20020009677A1
    • 2002-01-24
    • US09871310
    • 2001-05-31
    • Richard P. SzajewskiLyn M. Irving
    • G03C001/42G03C001/46G03C005/29G03C001/498
    • G03C8/408G03C1/42G03C1/498G03C5/261G03C7/30G03C7/3005G03C7/30511G03C7/30541G03C7/407G03C2200/21Y10S430/156Y10S430/16
    • A light sensitive silver halide color photographic element having a common chromogenic coupler and a distinct developer associated with each color forming layer unit is disclosed. In a first embodiment, the light sensitive silver halide color photographic element has a red light sensitive silver halide layer unit and a first blocked coupling developer, a green light sensitive silver halide layer unit and a second blocked coupling developer and a blue light sensitive silver halide layer unit having a third blocked coupling developer and wherein each layer unit has the same chromogenic coupler. In a second embodiment, the light sensitive silver halide color photographic element has a red light sensitive silver halide layer unit and a first blocked coupling developer, a green light sensitive silver halide layer unit and a second blocked coupling developer and a blue light sensitive silver halide layer unit having a third blocked coupling developer. By means of the present invention, light sensitive color photothermographic elements can form yellow, magenta and cyan dye records of consistent density forming ability and consistent stability in all three color records.
    • 公开了具有共同显色成色剂的感光卤化银彩色照相元件和与每种颜色形成层单元相关联的不同显影剂。 在第一实施例中,感光卤化银彩色照相元件具有红色感光卤化银单元和第一阻挡耦合显影剂,绿色感光卤化银层单元和第二阻挡耦合显影剂和蓝色感光卤化银 层单元具有第三阻塞耦合显影剂,并且其中每个层单元具有相同的显色成色剂。 在第二实施例中,感光卤化银彩色照相元件具有红色感光卤化银层单元和第一阻挡耦合显影剂,绿色感光卤化银层单元和第二阻挡耦合显影剂和蓝色感光卤化银 层单元具有第三阻塞耦合显影剂。 通过本发明,光敏彩色光热敏成像元件可以形成一致的密度形成能力和在所有三种颜色记录中一致的稳定性的黄色,品红色和青色染料记录。
    • 8. 发明申请
    • Black-and-white developing compositions and methods of use
    • 黑白显影组合物和使用方法
    • US20020168597A1
    • 2002-11-14
    • US10125713
    • 2002-04-18
    • Alan S. FittermanJoan F. Rachel
    • G03C005/30
    • G03C5/305G03C1/34G03C5/16G03C5/266G03C2200/21G03C2200/42
    • A concentrated black-and-white photographic developing composition has improved stability, is compatible with the environment and provides desired sensitometric properties with a combination of particular antifoggants. These antifoggants include a mercapto-substituted tetrazole and a benzimidazole that has one or more electron withdrawing groups. This concentrated composition can be used as a first nullpartnull and mixed, upon dilution, with a diluted second nullpartnull that is a concentrated composition of a gelatin hardening agent. When mixed together, the two diluted concentrates form a working strength developing composition that can be used to provide black-and-white images in various photographic silver halide materials, and particularly in radiographic films.
    • 浓缩的黑白照相显影组合物具有改善的稳定性,与环境相容并且提供特定防灰雾剂的组合所需的感光特性。 这些防雾剂包括巯基取代的四唑和具有一个或多个吸电子基团的苯并咪唑。 该浓缩组合物可以用作第一“部分”,并在稀释后用作为明胶硬化剂的浓缩组合物的稀释的第二“份”混合。 当混合在一起时,两种稀释​​的浓缩物形成可用于在各种照相卤化银材料中,特别是在放射照相胶片中提供黑白图像的加工强度显影组合物。