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    • 9. 发明授权
    • Photographic silver halide element with protective layer
    • 具有保护层的摄影银色元件
    • US5085981A
    • 1992-02-04
    • US511250
    • 1990-04-19
    • Wolfgang HimmelmannPrem LalvaniHans-Theo BuschmannGunter Helling
    • Wolfgang HimmelmannPrem LalvaniHans-Theo BuschmannGunter Helling
    • G03C1/76G03C1/95
    • G03C1/7614G03C1/95Y10S430/151Y10S430/162
    • A photographic recording material comprising a support, at least one photosensitive silver halide emulsion layer, a protective layer on that side of the at least one silver halide emulsion layer remote from the support and, optionally a backing layer, the protective layer and/or the backing layer containing in combination (a) a polymeric compound (I) containing at least 0.2 mol-% recurring units corresponding to the following formula ##STR1## in which R.sup.1, R.sup.2 and R.sup.3 may be the same of different and represent hydrogen, alkyl or halogen,L is a chemical bond or a standard binding link andX is a reactive group,and (b) a finely divided crystalline SiO.sub.2 dispersion having an average particle diameter (number average) of from 0.7 to 1.2 .mu.m and containing less than 0.2% by volume particles larger than 4 .mu.m in size, are distinguished by good retouchability in combination with good mechanical properties.
    • 一种照相记录材料,包括载体,至少一种感光卤化银乳剂层,远离载体的至少一种卤化银乳剂层的该侧上的保护层,以及任选的背衬层,保护层和/或 背衬层(a)含有至少0.2mol-重复单元的聚合化合物(I),其对应于下式(IMAGE),其中R 1,R 2和R 3可以相同,表示氢,烷基或 卤素,L是化学键或标准结合连接,X是反应性基团,和(b)平均粒径(数均)为0.7-1.2μm并且含有小于0.2的细碎结晶SiO 2分散体 尺寸大于4μm的体积%的颗粒的特征在于良好的可修饰性以及良好的机械性能。
    • 10. 发明授权
    • Dye diffusion transfer process wherein proteolytic enzyme decomposes
light sensitive element
    • 染料扩散转移过程,其中蛋白水解酶分解光敏元素
    • US4548887A
    • 1985-10-22
    • US627557
    • 1984-07-03
    • Gunter HellingWolfgang Himmelmann
    • Gunter HellingWolfgang Himmelmann
    • G03C8/00G03C8/52G03C5/54G03C1/40G03C7/26
    • G03C8/52G03C8/00
    • Colored dye diffusion images are produced using a recording material containing, on a layer support (layer element 1), a first dye absorbent layer (layer element 2), a light-sensitive element containing silver halide emulsion layers and color-providing compounds (layer element 3) and optionally a second dye absorbent layer (layer element 4), in that order. An imagewise distribution of diffusible dyes is produced in the light-sensitive element in the course of development and transferred to the first dye absorbent layer.The light-sensitive element is then decomposed by a treatment which decomposes its layers, e.g. by means of a proteolytic enzyme, but leaves the first dye absorbent layer intact. The second dye absorbent layer optionally present, which has a lower mordanting capacity than the first dye absorbent layer and serves to prevent contamination of the developer bath with diffusible dyes, is also decomposed.
    • 使用在层载体(层元件1),第一染料吸收层(层元件2),含有卤化银乳剂层和着色赋予化合物(层)的感光元件的记录材料制造着色的染料扩散图像 元素3)和任选的第二染料吸收层(层元件4)。 在显影过程中在光敏元件中产生可扩散染料的成像分布,并转移到第一染料吸收层。 然后通过分解其层的处理来分解光敏元件,例如, 通过蛋白水解酶,但使第一染料吸收层完好无损。 任选存在的第二染料吸收层,其具有比第一染料吸收层更低的媒染能力并且用于防止用可扩散染料污染显影剂浴,也被分解。