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16 条记录 (耗时 0.021 秒)

    Diffusion transfer material and process
    11.
    发明授权
    Diffusion transfer material and process 失效
    扩散转移材料和工艺

    公开(公告)号：US4450223A

    公开(公告)日：1984-05-22

    申请号：US466316

    申请日：1983-02-14

    申请人： Raphael K. Van Poucke ,  Christian C. Van de Sande ,  Andree Verhecken

    发明人： Raphael K. Van Poucke ,  Christian C. Van de Sande ,  Andree Verhecken

    IPC分类号： G03C8/22 ,  C09B29/01 ,  C09B29/095 ,  C09B29/28 ,  C09B29/50 ,  G03C8/10 ,  G03C1/40 ,  G03C1/10 ,  G03C1/48 ,  G03C5/54

    CPC分类号： G03C8/10 ,  C09B29/0003 ,  C09B29/095 ,  C09B29/28 ,  C09B29/366 ,  Y10S430/156 ,  Y10S430/158 ,  Y10S430/159 ,  Y10S430/161

    摘要： A photographic silver halide material comprising a compound which is capable of being reduced by a silver halide developing agent at a rate slower than that of image-wise developable silver halide and in reduced state is capable of releasing a photographically useful group, characterized in that said compound corresponds to the following formula: ##STR1## wherein: R.sup.10 and R.sup.20 (same or different)(1) represent an alkyl group, a cycloalkyl group, an alkenyl group, a cycloalkenyl group or an aralkyl group including said groups in substituted form,(2) represent an aryl group including a substituted aryl group, or(3) represent a heterocyclic ring residue including such residue in substituted form, orR.sup.10 and R.sup.20 are ringclosed, either R.sup.10 or R.sup.20 containing a ballasting group conferring diffusion resistance to the compound in hydrophilic colloid media when penetrated by an aqueous alkaline liquid;L.sup.1 and L.sup.2 (same or different) represent a ##STR2## --SO.sub.2 --; --NHCO--; --NHSO.sub.2 --; ##STR3## --O--SO.sub.2 -- or ##STR4## group; p and q (same or different) represent an integer 0 or 1;Z represents an atom or an atom group which is electronegative with respect to carbon, andPUG represents together with Z a releasable photographically useful group.

    摘要翻译： 包含能够以比成像显影性卤化银慢的还原状态的卤化银显影剂还原的化合物的照相卤化银材料能够释放照相用的基团，其特征在于所述 化合物对应于下式：其中：R 10和R 20（相同或不同）（1）表示烷基，环烷基，烯基，环烯基或包含取代基的芳烷基， （2）表示包含取代芳基的芳基，或（3）代表包含取代形式的残基的杂环残基，或R 10和R 20被封闭，R10或R20含有赋予化合物扩散阻力的压载基团 在亲水胶体介质中浸入碱性水溶液; L1和L2（相同或不同）表示-SO 2 - ; -NHCO-; -NHSO 2; -O-SO2-或组; p和q（相同或不同）表示整数0或1; Z表示相对于碳具有电负性的原子或原子团，PUG与Z一起表示可剥离的照相用的基团。

    Photographic element incorporating redox compounds for use in a dye diffusion transfer process
    14.
    发明授权
    Photographic element incorporating redox compounds for use in a dye diffusion transfer process 失效
    掺入用于染料扩散转移过程的氧化还原化合物的摄影元件

    公开(公告)号：US4871654A

    公开(公告)日：1989-10-03

    申请号：US180082

    申请日：1988-04-11

    申请人： Luc J. Vanmaele ,  Christian C. Van de Sande

    发明人： Luc J. Vanmaele ,  Christian C. Van de Sande

    IPC分类号： G03C7/305 ,  G03C8/10

    CPC分类号： G03C8/10 ,  G03C7/30541 ,  Y10S430/156

    摘要： Photographic silver halide emulsion element for dye image production comprising a support carrying at least one alkali-permeable silver halide hydrophilic colloid emulsion layer incorporating in operative association therewith a dye-releasing compound capable of releasing a diffusible dye moiety from a carrier moiety by a redox reaction, said compound corresponding to the general formula: ##STR1## wherein CAR is an organic carrier moiety capable of undergoing a redox reaction, L is a group cleavable or releasable from the carrier moiety by a redox reaction taking place in alkaline condiitons as a function of the development of a silver halide emulsion layer incorporating such compound, G is a bridging group, each of L.sup.1 and L.sup.2 is a linking member, PUG.sup.1 is a dye (precursor) group, PUG.sup.2 is a dye (precursor) group, an UV-absorber group, or a singlet oxygen scavenger group.

    摘要翻译： 用于染料图像生产的照相卤化银乳剂元件，其包含载体，该载体携带至少一种碱可透过的卤化银亲水胶体乳剂层，其与可操作地结合使用能够通过氧化还原反应从载体部分释放可扩散染料部分的染料释放化合物 所述化合物对应于以下通式：其中CAR是能够进行氧化还原反应的有机载体部分，L是通过在碱性条件下发生的氧化还原反应而与载体部分可切割或释放的基团，作为 开发包含这种化合物的卤化银乳剂层，G是桥连基团，L1和L2各自是连接构件，PUG1是染料（前体）基团，PUG2是染料（前体）基团，UV吸收剂 组或单重除氧剂组。