Silver halide emulsion
    22.
    发明申请
    Silver halide emulsion 失效
    卤化银乳剂

    公开(公告)号:US20030064334A1

    公开(公告)日:2003-04-03

    申请号:US10146922

    申请日:2002-05-17

    发明人: Yoichi Hosoya

    IPC分类号: G03C001/035

    摘要: A silver halide emulsion containing a dispersion medium and silver halide grains, wherein the silver halide grains have a variation coefficient of projected area diameters of 30% or less and 50% or more of the total projected area of the silver halide grains is occupied by silver halide grains satisfying the following requirements (a), (b), (c) and (d): (a) a hexagonal tabular silver halide grain having a smooth (111) face as a principal plane; (b) the silver iodide content is 7 mol % or more; (c) the projected area diameter is 3 nullm or more; and (d) the aspect ratio is 8 or more.

    摘要翻译: 含有分散介质和卤化银颗粒的卤化银乳剂,其中卤化银颗粒具有30%以下的投影面积直径的变异系数和卤化银颗粒的总投影面积的50%以上被银占据 满足以下要求(a),(b),(c)和(d)的卤化物颗粒:(a)具有平滑(111)面作为主平面的六角形片状卤化银颗粒; (b)碘化银含量为7摩尔%以上; (c)投影面积直径为3mum以上; 和(d)长宽比为8以上。

    Diffusion transfer photographic product
    24.
    发明授权
    Diffusion transfer photographic product 失效
    扩散转印摄影产品

    公开(公告)号:US06403279B1

    公开(公告)日:2002-06-11

    申请号:US09705168

    申请日:2000-11-02

    申请人: Masaru Iwagaki

    发明人: Masaru Iwagaki

    IPC分类号: G03C806

    摘要: A diffusion transfer photographic product is disclosed, comprising a photosensitive element, an image receiving element and a container having a processing composition, wherein the photosensitive element comprises a support having thereon at least a silver halide emulsion layer containing a silver halide emulsion comprising silver halide grains and at least 50% of total grain projected area is accounted for by silver halide regular crystal grains containing 5 mol % or less chloride and 0.5 mol % or more iodide and exhibiting a proportion of a (100) face per grain of not less than 50%, a variation coefficient of the proportion of a (100) face among grains being not more than 20%.

    摘要翻译: 公开了一种扩散转印照相产品,其包括感光元件,图像接收元件和具有处理组合物的容器,其中感光元件包括其上至少含有卤化银乳剂层的载体,其含有卤化银颗粒 并且总颗粒投影面积的至少50%由含有5摩尔%以下的氯化物和0.5摩尔%以上的碘化物的卤化银规则晶粒占比,并且每粒子的(100)面的比例不小于50 %,(100)面的比例的变动系数在20%以下。

    Low silver halide radiographic film for dental care
    25.
    发明授权
    Low silver halide radiographic film for dental care 有权
    用于牙科护理的低卤化银射线照相胶片

    公开(公告)号:US06291153B1

    公开(公告)日:2001-09-18

    申请号:US09604032

    申请日:2000-06-27

    IPC分类号: G03C1035

    摘要: A direct radiographic film is usefull for dental care. The film contains lower than normal amounts of silver 30-45 mg/dm2) and gelatino-vehicle 15-30 mg/dm2) in each silver halide emulsion unit but retains the ability to provide desired sensitometric results. The film comprises predominantly non-spectrally sensitized silver bromide tabular grains.

    摘要翻译: 直接放射照相胶片可用于牙科保健。 在每个卤化银乳剂单元中,该膜含有低于正常量的银30-45mg / dm 2)和明胶载体15-30mg / dm 2),但保留提供所需感光度结果的能力。 该膜主要包含非光谱增感的溴化银片状颗粒。

    Silver halide emulsion
    26.
    发明授权
    Silver halide emulsion 失效
    卤化银乳剂

    公开(公告)号:US06245498B1

    公开(公告)日:2001-06-12

    申请号:US09391127

    申请日:1999-09-07

    IPC分类号: G03C1035

    摘要: A silver halide emulsion is disclosed, comprising tabular grains having an aspect ratio of 5 or more, the tabular grains further having dislocation lines of 30 or more per a grain, in a fringe portion of the grain and the tabular grains each containing silver iodide, the content of which gradually and continuously varies in the direction of from the grain center to the edge.

    摘要翻译: 公开了一种卤化银乳剂,其包括纵横比为5以上的片状颗粒,在晶粒的边缘部分中每片颗粒上的位错线为30以上的片状颗粒和各自含有碘化银的片状颗粒, 其含量在从谷物中心到边缘的方向上逐渐且连续地变化。

    Silver halide color photographic light-sensitive elements having improved image quality
    27.
    发明授权
    Silver halide color photographic light-sensitive elements having improved image quality 失效
    卤化银彩色照相感光元件具有改善的图像质量

    公开(公告)号:US06242168B1

    公开(公告)日:2001-06-05

    申请号:US09576528

    申请日:2000-05-23

    IPC分类号: G03C146

    摘要: The present invention relates to a light-sensitive silver halide color multilayer photographic material which comprises a support base having coated thereon at least three red-sensitive emulsion layers having different sensitivity, at least three green-sensitive emulsion layers having different sensitivity, and at least two yellow-sensitive emulsion layers having different sensitivity, wherein (a) a core-shell silver halide emulsion having an average silver iodide content lower than 10% mol is present in at least one of the lowest sensitive red-, green- and yellow layers, (b) a yellow dye forming malonodiamide DIR coupler having in the coupling position thereof a 4,7-dihalogen-2-benzotriazolyl group is present in both the medium sensitive red- and green-sensitive layers, and (c) a yellow dye forming DIR coupler having a 1,2,4-triazolyl group attached to the coupling position, such 1,2,4-triazolyl group comprising a hydrolizable alkoxy- or aryloxy-carbonyl group attached to a benzytlthio substituent on the 1,2,4-triazolyl group is present in at least one of the highest sensitive red- and green-sensitive layers.

    摘要翻译: 本发明涉及一种感光卤化银彩色多层照相材料,其包括其上涂覆有至少三种具有不同灵敏度的感红乳剂层的支持基质,至少三种具有不同灵敏度的感绿乳剂层,至少 两个具有不同灵敏度的黄敏感乳剂层,其中(a)平均碘化银含量低于10%摩尔的核 - 壳卤化银乳剂存在于至少一个最低敏感的红,绿和黄层中 ,(b)具有4,7-二卤代-2-苯并三唑基的偶联位置的黄色染料形成丙二酰胺DIR成色剂存在于中敏感红和绿敏感层中,和(c)黄色染料 形成具有连接到偶联位置上的1,2,4-三唑基的DIR成色剂,所述1,2,4-三唑基包含连接到苯甲硫基的可水解烷氧基 - 或芳氧基 - 羰基 1,2,4-三唑基中的取代基存在于最敏感的红敏感层和绿敏感层中的至少一个中。

    Element for industrial radiography
    28.
    发明授权
    Element for industrial radiography 失效
    工业射线照相元件

    公开(公告)号:US5965337A

    公开(公告)日:1999-10-12

    申请号:US7150

    申请日:1998-01-15

    摘要: A system for industrial radiography is disclosed comprised of (1) an industrial radiographic element comprised of a support covered on each of its major faces with a tabular grain emulsion layer in which at least 50 percent of total grain projected area is accounted for by silver bromide tabular grains having an average aspect ratio of at least 2 and a volume greater than 0.03 .mu.m.sup.3 and (2) disposed on opposite sides of the radiographic element, two intensifying screens designed to emit electrons when exposed to X or gamma rays with an energy greater than or equal to 10 kV. A speed improvement is realized upon exposure and processing.

    摘要翻译: 公开了一种用于工业射线照相的系统,其包括:(1)工业放射线照相元件,其由在其每个主面上覆盖的支撑体与片状颗粒乳剂层组成,其中至少50%的总颗粒投影面积由溴化银 具有至少2的平均纵横比和大于0.03μm的体积的片状颗粒和(2)设置在放射线照相元件的相对侧上的两个增强屏幕,被设计成当暴露于具有更大能量的X或γ射线时发射电子 大于或等于10kV。 通过曝光和处理实现速度提升。

    Preparation of tabular emulsion grains rich in chloride
    30.
    发明授权
    Preparation of tabular emulsion grains rich in chloride 失效
    制备富含氯化物的片状乳液颗粒

    公开(公告)号:US5601969A

    公开(公告)日:1997-02-11

    申请号:US774188

    申请日:1991-10-10

    申请人: Ann L. Verbeeck

    发明人: Ann L. Verbeeck

    摘要: A method for the preparation of silver halide tabular emulsion grains, containing at least 75 % chloride, wherein at least 50 % of the total projected area of all the grains is provided by the tabular grains, and wherein the tabular grains exhibit an average aspect ratio of at least 5:1, an average thickness not greater than 0.5 micron and an average diameter of at least 0.6 micron. The method comprisespreparing a dispersion medium containing a gelatino-peptizer, and a compound ##STR1## wherein Z represents the atoms necessary to form a fused on aromatic carbocyclic or heterocyclic, unsubstituted or substituted ring, e.g., substituted with alkyl, alkenyl, aryl, alkoxy, hydroxy, mercapto, carboxy, amino or halogen, R is hydrogen or a substituent as defined for ring Z; n is 1 or 0, and Q represents carbon in which case n=1, or Q represents nitrogen, in which latter case n =0; in a concentration ranging from 10.sup.-4 to 10.sup.-2 molar. The pH of the medium is adjusted to between 5.0 and 9.0 and to a pCl between 1.0 and 2.0 by means of a chloride ions providing salt;performing a silver halide precipitation comprising at least one double jet step by introducing in the dispersion medium at least one solution containing chloride ions and at least one solution containing silver ions in such a way that pCl is maintained between 1.0 and 2.0, pH is maintained between 5.0 and 9.0 and the concentration of compound (Ia) or (Ib) is maintained between 10.sup.-4 molar and 10.sup.-2 molar; andremoving excess of soluble salts by a wash technique performed at a pH value comprised between 4.0 and 9.0.

    摘要翻译: 一种制备含有至少75%氯化物的卤化银片状乳液颗粒的方法,其中所有颗粒的总投影面积的至少50%由片状颗粒提供,并且其中片状颗粒呈平均长宽比 至少5:1,平均厚度不大于0.5微米,平均直径至少为0.6微米。 该方法包括制备含有明胶胶溶剂的分散介质和形成稠合在芳族碳环或杂环的未取代或取代的环上所需的化合物(Ia),例如,被烷基,烯基,芳基,烷氧基, 羟基,巯基,羧基,氨基或卤素,R是氢或根据Z定义的取代基; n为1或0,Q为碳,其中n = 1,或Q为氮,后者为n = 0; 浓度范围为10-4至10-2摩尔。 通过提供盐的氯离子将介质的pH调节至5.0至9.0,并将pCl调节至1.0至2.0; 通过在分散介质中引入至少一种含有氯离子的溶液和至少一种含有银离子的溶液,使pCl保持在1.0和2.0之间,使pH保持在 5.0和9.0,化合物(Ia)或(Ib)的浓度保持在10-4摩尔和10-2摩尔之间; 并通过在4.0至9.0之间的pH值下进行的洗涤技术除去过量的可溶性盐。