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    Photographic elements containing scavengers for oxidized developing agent
    71.
    发明授权
    Photographic elements containing scavengers for oxidized developing agent 失效
    含有氧化显影剂清除剂的摄影元素

    公开(公告)号：US5629140A

    公开(公告)日：1997-05-13

    申请号：US373131

    申请日：1995-01-17

    申请人： John W. Harder ,  John V. Nelson ,  Stephen P. Singer

    发明人： John W. Harder ,  John V. Nelson ,  Stephen P. Singer

    IPC分类号： C07C311/16 ,  G03C1/34 ,  G03C7/30 ,  G03C7/384 ,  G03C7/392 ,  G03C1/43

    CPC分类号： C07C311/16 ,  G03C7/3012 ,  G03C7/39236 ,  G03C7/384

    摘要： An improved photographic element comprises a support bearing at least one silver halide emulsion layer having associated therewith a hydrazide compound that functions as a scavenger for oxidized developing agent. The hydrazide compound includes an electron-withdrawing and aqueous-solubilizing group on an aromatic ring linked to the carbonyl of the hydrazide group and a ballasting group on an aromatic ring linked to a nitrogen atom of the hydrazide group. Preferably, the hydrazide compound is incorporated in a photographic element which comprises a four-equivalent 5-pyrazolone magenta-dye-forming coupler.

    摘要翻译： 一种改进的照相元件包含一种载体，该载体带有至少一个卤化银乳剂层，其中具有用作氧化显影剂的清除剂的酰肼化合物。 酰肼化合物包括在与酰肼基团的羰基连接的芳环上的吸电子和水溶性基团，以及与酰肼基团的氮原子连接的芳族环上的压载基团。 优选地，将酰肼化合物引入包含四当量5-吡唑啉酮品红色染料形成成色剂的照相元件中。

    Color photographic materials including magenta coupler, inhibitor-releasing coupler and carbonamide compound, and methods
    73.
    发明授权
    Color photographic materials including magenta coupler, inhibitor-releasing coupler and carbonamide compound, and methods 失效
    包括品红成色剂，抑制剂释放成色剂和碳酰胺化合物的彩色照相材料及方法

    公开(公告)号：US5462848A

    公开(公告)日：1995-10-31

    申请号：US74908

    申请日：1993-06-10

    申请人： Paul B. Merkel ,  Stephen P. Singer

    发明人： Paul B. Merkel ,  Stephen P. Singer

    IPC分类号： G03C7/305 ,  G03C7/32 ,  G03C7/384 ,  G03C7/388 ,  G03C7/392 ,  G03C1/08 ,  G03C7/26

    CPC分类号： G03C7/3885 ,  G03C7/3225 ,  Y10S430/158

    摘要： Color photographic materials comprise a support bearing a silver halide emulsion and a coupler composition. The coupler composition comprises a two-equivalent pyrazolone magenta dye-forming coupler, a ballasted carbonamide compound, and a developer inhibitor-releasing coupler. The carbonamide compound reduces continued coupling of the pyrazolone magenta dye-forming coupler during the bleach step in a color photographic process without altering the advantageous properties provided by the combination of the two-equivalent pyrazolone magenta dye-forming coupler and the developer inhibitor-releasing coupler.

    摘要翻译： 彩色照相材料包括带有卤化银乳剂和成色剂组合物的载体。 成色剂组合物包含双等价的吡唑啉酮品红色染料形成成色剂，压载的碳酰胺化合物和显影剂抑制剂释放成色剂。 碳酰胺化合物在彩色照相法中在漂白步骤期间减少吡唑啉酮品红色染料形成成色剂的持续偶联，而不改变由双等价的吡唑啉酮品红色染料形成成色剂和显影剂抑制剂释放成色剂的组合提供的有利特性 。

    Photographic element employing hue correction couplers
    74.
    发明授权
    Photographic element employing hue correction couplers 失效
    采用色相校正耦合器的照相元件

    公开(公告)号：US5447831A

    公开(公告)日：1995-09-05

    申请号：US139238

    申请日：1993-10-19

    申请人： Stephen P. Singer ,  Jared B. Mooberry

    发明人： Stephen P. Singer ,  Jared B. Mooberry

    IPC分类号： G03C7/00 ,  G03C7/20 ,  G03C7/26 ,  G03C7/30 ,  G03C7/32 ,  G03C7/333 ,  G03C7/36 ,  G03C7/38 ,  G03C7/384 ,  G03C1/46

    CPC分类号： G03C7/3225 ,  G03C7/3041 ,  G03C7/36 ,  G03C7/3825 ,  G03C7/384

    摘要： The invention provides a silver halide color negative photographic element comprising a red sensitive silver halide emulsion layer containing a coupler which reacts with oxidized color developer to form a cyan dye, a blue sensitive silver halide emulsion layer containing a coupler which reacts with oxidized color developer to form a yellow dye, and a green sensitive silver halide emulsion layer containing a coupler which upon reaction with oxidized color developer forms a magenta image dye, the element additionally comprising a hue correction coupler associated with a green sensitive layer which coupler reacts with oxidized developer to form a magenta dye having a peak absorption between 565-600 nm so that the element has a D580/D550 ratio which is greater than that exhibited by the element absent the hue correction coupler. The invention also provides a process for forming an image in the element described.

    摘要翻译： 本发明提供一种卤化银彩色负型照相材料，其包含红色感光卤化银乳剂层，其含有与氧化显色剂反应形成青色染料的成色剂，含有与氧化显色剂反应的成色剂的蓝色感光卤化银乳剂层 形成黄色染料和含有成色剂的绿色感光卤化银乳剂层，其与氧化的彩色显影剂反应形成品红色图像染料，该元件还包含与绿色敏感层相关联的色调校正耦合剂，该成色剂与氧化的显影剂反应 形成峰值吸收在565-600nm之间的品红色染料，使得该元件的D580 / D550比率大于不存在色调校正耦合器的元件所显示的值。 本发明还提供了一种在所描述的元件中形成图像的方法。

    Use of heterocyclic nitrogen addenda to reduce continued coupling of magenta dye-forming couplers
    75.
    发明授权
    Use of heterocyclic nitrogen addenda to reduce continued coupling of magenta dye-forming couplers 失效
    使用杂环氮附加物以减少品红染料形成成色剂的持续偶联

    公开(公告)号：US5441851A

    公开(公告)日：1995-08-15

    申请号：US797660

    申请日：1991-11-25

    申请人： Stephen P. Singer ,  Paul B. Merkel

    发明人： Stephen P. Singer ,  Paul B. Merkel

    IPC分类号： G03C7/384 ,  G03C7/30 ,  G03C7/392 ,  G03C7/407

    CPC分类号： G03C7/3012 ,  G03C7/3924

    摘要： A photographic element with a support and a silver halide emulsion layer includes a two-equivalent pyrazolone magenta dye-forming coupler and a heterocyclic nitrogen addendum which is a protic imidazole or a pyridine. The heterocylic nitrogen compound reduces continued coupling of two-equivalent magenta dye-forming couplers after removal from a developer solution, obviating the need for a stop bath after the development stage.

    摘要翻译： 具有载体和卤化银乳剂层的照相元件包括双等价的吡唑啉酮品红色染料形成成色剂和作为质子咪唑或吡啶的杂环氮杂贵金属。 杂环氮化合物在从显影剂溶液中除去之后减少了二等量的品红色染料形成成色剂的持续偶联，从而避免了在显影阶段之后需要停止浴。

    Photographic element and process comprising a dye releasing group
    79.
    发明授权
    Photographic element and process comprising a dye releasing group 失效
    摄影元件和包含染料释放基团的方法

    公开(公告)号：US4840884A

    公开(公告)日：1989-06-20

    申请号：US109371

    申请日：1987-10-19

    申请人： Jared B. Mooberry ,  Stephen P. Singer

    发明人： Jared B. Mooberry ,  Stephen P. Singer

    IPC分类号： G03C7/32 ,  G03C7/305

    CPC分类号： G03C7/30547 ,  Y10S430/159

    摘要： A new photographic coupler comprises a coupling-off group bonded to the coupler at the coupling position represented by the formula:--L--NR.sup.1 --DYEwherein L is a linking group; NR.sup.1 is a substituted nitrogen atom bonded to DYE that together with NR.sup.1 is a releasable dye comprising an electrically neutral chromophore. Such a coupler enables dye hue stabilization without mordanting the dye formed. Such a new coupler is useful in a photographic silver halide element and process to provide increased dye density, higher contrast dye images, and lower pH sensitivity upon processing.