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    • 3. 发明授权
    • Color photographic recording material having elevated sensitivity and
improved color reproduction
    • 具有提高的灵敏度和改善的颜色再现的彩色照相记录材料
    • US5856076A
    • 1999-01-05
    • US841073
    • 1997-04-29
    • Joerg SiegelHans-Ulrich BorstPeter BellRalf BuscherJohannes Willsau
    • Joerg SiegelHans-Ulrich BorstPeter BellRalf BuscherJohannes Willsau
    • G03C7/00G03C1/18G03C7/20G03C7/30G03C1/08G03C7/18
    • G03C7/3041
    • A color photographic recording material having a film support and, arranged thereon, at least one red-sensitive silver halide emulsion layer containing a cyan coupler, at least one green-sensitive silver halide emulsion layer containing a magenta coupler, at least one blue-sensitive silver halide emulsion layer containing a yellow coupler and optionally further non-photosensitive layers contains, in addition to conventional sensitizing dyes, in at least one of the red-sensitive silver halide emulsion layers thereof and in at least one of the green-sensitive emulsion layers thereof at least one cyanine dye in each layer having an absorption maximum in a methanolic solution in the range from 515 to 550 nm, wherein the absorption maxima of the additional cyanine dye in the red-sensitive silver halide emulsion layer and of the additional cyanine dye in the green-sensitive layer, in each case measured in a methanolic solution, are no more than 10 nm and preferably no more than 5 nm apart. In a preferred embodiment, the additional cyanine dye in the red-sensitive silver halide emulsion layer is identical to the additional cyanine dye in the green-sensitive silver halide emulsion layer. The recording material exhibits improved sensitivity and improved color reproduction.
    • 一种彩色照相记录材料,具有膜载体,并且在其上布置有至少一种含有青色成色剂的感红卤化银乳剂层,至少一种含有品红色成色剂的感绿卤化银乳剂层,至少一种蓝色敏感性 含有黄色成色剂的卤化银乳剂层和任选的其它非感光层除常规增感染料外还含有至少一种感红卤化银乳剂层和至少一种感绿乳剂层 其中每层中至少有一种花青染料在515至550nm范围内的甲醇溶液中具有吸收最大值,其中感红卤化银乳剂层中额外的花青染料的吸收最大值和额外的花青染料 在绿色敏感层中,在每种情况下在甲醇溶液中测量,不超过10nm,优选不超过5nm。 在优选的实施方案中,感红卤化银乳剂层中的另外的花青染料与感绿卤化银乳剂层中的另外的花青染料相同。 记录材料具有改进的灵敏度和改善的色彩再现性。
    • 4. 发明授权
    • Color photographic silver halide material
    • 彩色照相卤化银材料
    • US5679504A
    • 1997-10-21
    • US567913
    • 1995-12-06
    • Ralf BuscherPeter BellJohannes WillsauHans-Ulrich Borst
    • Ralf BuscherPeter BellJohannes WillsauHans-Ulrich Borst
    • G03C7/30G03C1/46
    • G03C7/3029G03C7/3022
    • A color photographic silver halide material which contains as photosensitive layers on a support at least one red-sensitive silver halide emulsion layer containing at least one cyan coupler, at least one green-sensitive silver halide emulsion layer containing at least one magenta coupler and at least one blue-sensitive silver halide emulsion layer containing at least one yellow coupler, in which, above a photosensitive layer (seen from the support outwards), at least one further layer is provided which contains a colorless compound or combination of colorless compounds, which under processing conditions after exposure gives rise to a uniform, slight color density of a predetermined color and predetermined density over the entire surface, allows correction of the print densities without sensitivity being reduced.
    • 一种彩色照相卤化银材料,其在载体上含有至少一种含有至少一种青色成色剂的至少一种感红卤化银乳剂层,至少含有至少一种品红色偶联剂的至少一种感绿卤化银乳剂层, 一个含有至少一个黄色成色剂的蓝色感光卤化银乳剂层,其中在感光层上方(从外部向外看),提供至少一个另外的层,其含有无色化合物或无色化合物的组合, 曝光后的处理条件在整个表面上产生预定颜色和预定浓度的均匀,轻微的颜色浓度,允许校正打印密度,而不会降低灵敏度。
    • 6. 发明授权
    • Color photographic recording material
    • 彩色摄影材料
    • US5830628A
    • 1998-11-03
    • US677524
    • 1996-07-10
    • Hans-Ulrich BorstDetlef BrenneckeRalf BuscherJohannes WillsauPeter Bell
    • Hans-Ulrich BorstDetlef BrenneckeRalf BuscherJohannes WillsauPeter Bell
    • G03C7/30G03C1/46
    • G03C7/30G03C7/3003G03C7/3029
    • A colour photographic silver halide material with at least two blue-sensitive, yellow-coupling silver halide emulsion layers of differing photographic sensitivity, at least two green-sensitive, magenta-coupling silver halide emulsions layers of differing photographic sensitivity and at least two red-sensitive, cyan-coupling silver halide emulsion layers of differing photographic sensitivity, at least one interlayer Z-1 below the lowermost red-sensitive silver halide emulsion layer and/or at least one interlayer Z-2 below the lowermost green-sensitive silver halide emulsion layer, in which material a coupler is additionally used in at least one silver halide emulsion layer, which coupler couples to yield a colour which is not complementary to the spectral sensitisation of the layer concerned, and Z-1 and/or Z-2 contain a silver halide emulsion which has tabular grains with an aspect ratio of >2, an average diameter of a sphere of equal volume of .gtoreq.0.3 .mu.m and a diameter of a circle of equal projected surface area of the tabular grains of .gtoreq.0.3 .mu.m, is distinguished by improved sensitivity and an improved sensitivity/grain ratio.
    • 具有不同照相感光度的至少两种蓝色敏感的黄色偶合卤化银乳剂层的彩色照相卤化银材料,具有不同照相感光度的至少两种感绿,品红色偶合的卤化银乳剂层和至少两种红 - 具有不同照相感光度的敏感的青色偶联卤化银乳剂层,在最下面的感红卤化银乳剂层下方的至少一层中间层Z-1和/或最低感绿卤化银乳剂下方的至少一层中间层Z-2 层,其中在至少一个卤化银乳剂层中另外使用成色剂,该成色剂耦合以产生与所涉及的层的光谱增感不互补的颜色,并且Z-1和/或Z-2含有 一种卤化银乳剂,其具有长宽比> 2的平片状颗粒,等体积的球体的平均直径>0.3μm,直径为 > / =0.3μm的片状颗粒的相等投影表面积的区别在于提高的灵敏度和改善的灵敏度/颗粒比。
    • 8. 发明授权
    • Colour photographic recording material
    • 彩色摄影材料
    • US5922524A
    • 1999-07-13
    • US794098
    • 1997-02-03
    • Ralf BuscherPeter BellHans-Ulrich BorstJorg SiegelJohannes WillsauHeinrich Odenwalder
    • Ralf BuscherPeter BellHans-Ulrich BorstJorg SiegelJohannes WillsauHeinrich Odenwalder
    • G03C7/00G03C7/30G03C7/305G03C7/32G03C1/08G03C7/26
    • G03C7/3029Y10S430/156
    • A colour photographic recording material having camera sensitivity, possessing on a transparent support at least one silver halide emulsion layer unit which is sensitive to part of the visible spectrum and consists of at least the following constituent layers:a) a spectrally sensitised silver halide emulsion layer containing an effective quantity of a FAR coupler (coupler, which during coupling releases groups producing fogging nuclei) and optionally a colour coupler, the latter during the colour development process coupling with a dye of which the colour is complementary to the spectral sensitisation of layer a), andb) a fine-grained silver halide emulsion layer having low light-sensitivity, of which the silver halide grains are not spectrally sensitised, being a layer adjacent to layer a),with layer b) containing a colour coupler which during the colour development process couples with a dye of which the colour is complementary to the spectral sensitisation of layer a) and the molar quantity of colour couplers in layer b) being greater than in layer a), is distinguished by improved graininess at higher sensitivity.
    • 具有相机灵敏度的彩色照相记录材料,在透明支撑体上具有对可见光谱的一部分敏感并由至少以下构成层组成的至少一个卤化银乳剂层单元:a)光谱增感的卤化银乳剂层 包含有效量的FAR耦合器(耦合器,其在耦合释放期间产生起雾核)和任选的颜色耦合器,后者在显色过程中与其颜色与层a的光谱增感互补的染料 )和b)具有低光敏感性的细粒度卤化银乳剂层,其中卤化银颗粒不受光谱敏化,是与层a)相邻的层,其中层b)包含颜色耦合器,其在 色彩发展过程与色素互补的染料与a)和mol的光谱增感相互补充 在b)中大于a)层中的成色剂的数量的特征在于在更高的灵敏度下改善的颗粒度。