Mammography imaging method using high peak voltage and rhodium or tungsten anodes
    1.
    发明授权
    Mammography imaging method using high peak voltage and rhodium or tungsten anodes 失效
    使用高峰值电压和铑或钨阳极的乳房摄影成像方法

    公开(公告)号:US06887641B2

    公开(公告)日:2005-05-03

    申请号:US10299759

    申请日:2002-11-19

    摘要: A method of mammography imaging includes exposing a patient to a peak voltage greater than 29 kVp using X-radiation generating equipment comprising rhodium or tungsten anodes. The film used in this method comprises a cubic grain silver halide emulsion layer on one side of the support and a tabular grain silver halide emulsion layer on the other side. The cubic grain silver halide emulsion layer comprises a combination of first and second spectral sensitizing dyes that provides a combined maximum J-aggregate absorption on the cubic silver halide grains of from about 540 to about 560 nm. The first spectral sensitizing dye is an anionic benzimidazole-benzoxazole carbocyanine, the second spectral sensitizing dye is an anionic oxycarbocyanine. The cubic grain silver halide emulsion layer also includes a mixture of gelatin or a gelatin derivative and a second hydrophilic binder other than gelatin or a gelatin derivative. The cubic silver halide grains comprise from about 1 to about 20 mol % chloride and from about 0.25 to about 1.5 mol % iodide, both based on total silver in the cubic grain emulsion layer, which cubic silver halide grains have an average ECD of from about 0.65 to about 0.8 μm. Moreover, the cubic silver halide grains are doped with a hexacoordination complex compound within part or all of the innermost 95% of the grains. The film can be exposed to provide a black-and-white image having a d(γ)/d(log E) value greater than 5.

    摘要翻译: 乳房X线照相成像的方法包括使用包括铑或钨阳极的X射线发生设备将患者暴露于大于29kVp的峰值电压。 在该方法中使用的膜包括在载体的一侧上的立方晶粒卤化银乳剂层和另一侧上的片状卤化银乳剂层。 立方晶粒卤化银乳剂层包括第一和第二光谱增感染料的组合,其在约540至约560nm的立方体卤化银颗粒上提供组合的最大J-聚集体吸收。 第一种光谱增感染料是阴离子苯并咪唑 - 苯并恶唑碳菁,第二种光谱增感染料是一种阴离子型含氧花青。 立方晶粒卤化银乳剂层还包括明胶或明胶衍生物和明胶或明胶衍生物之外的第二亲水性粘合剂的混合物。 立方体卤化银颗粒包含约1至约20mol%的氯化物和约0.25至约1.5mol%的碘化物,均基于立方晶粒乳剂层中的总银,该立方体卤化银颗粒的平均ECD为约 0.65至约0.8μm。 此外,立方体卤化银颗粒在部分或全部最内95%的晶粒内掺杂六配位络合物。 可以暴露该膜以提供具有大于5的d(γ)/ d(log E)值的黑白图像。

    Photograhic silver halide material and process for preparing silver
images
    3.
    发明授权
    Photograhic silver halide material and process for preparing silver images 失效
    Photograhic卤化银材料和制备银图像的方法

    公开(公告)号:US6150083A

    公开(公告)日:2000-11-21

    申请号:US964973

    申请日:1997-11-05

    IPC分类号: C07D277/84 G03C1/06 G03C1/18

    CPC分类号: C07D277/84 G03C1/18 G03C1/061

    摘要: It was found that good sensitizing activity in the red spectral region and without residual stain can be obtained with dyes of the general formula (I) ##STR1## wherein R.sub.1 is an alkyl group having 1 to 6 carbon atoms or a heterocyclic ring, R.sub.2 and R.sub.3 are hydrogen, methyl, or methoxy, but at least one of the groups R.sub.2 and R.sub.3 is not hydrogen, R.sub.4 and R.sub.5 are alkyl groups having 1 to 6 carbon atoms that can be substituted with hydroxyl groups, and X.sup.- is an anion.The invention can be used for preparing silver images, for example, for reproduction in preprint operations for black and white or multicolor printing.

    摘要翻译: 发现通式(I)的染料,其中R1是具有1-6个碳原子的烷基或杂环,R2和R3是氢原子,可以获得红色光谱区域中没有残留染色的良好的敏化活性 ,甲基或甲氧基,但R 2和R 3中的至少一个不是氢,R 4和R 5是可以被羟基取代的具有1至6个碳原子的烷基,X是阴离子。 本发明可用于制备银图像,例如用于在用于黑白或多色打印的预打印操作中再现。

    Silver halide photographic material
    4.
    发明授权
    Silver halide photographic material 失效
    卤化银照相材料

    公开(公告)号:US6090537A

    公开(公告)日:2000-07-18

    申请号:US146530

    申请日:1998-09-03

    CPC分类号: G03C1/29 G03C1/18 G03C1/10

    摘要: A silver halide photographic material is described which contains at least one compound represented by the following formula (I) and at least one compound represented by the following formula (II): ##STR1## wherein R.sup.1 and R.sup.2 each represents an alkyl group; W represents a hydrogen atom, a methyl group or an ethyl group; V.sup.1, V.sup.2, V.sup.3 and V.sup.4 each represents a hydrogen atom, a fluorine atom, a chlorine atom, an alkoxyl group, a hydroxyl group or a carboxyl group; X.sup.1 represents a counter ion; and m represents a number of 0 or more necessary for neutralizing a charge in the molecule; ##STR2## wherein R.sup.3 and R.sup.4 each represents an alkyl group, and at least one of R.sup.3 and R.sup.4 represents a carboxyalkyl group or an alkanesulfonylcarbamoylalkyl group; Z represents a hydrogen atom, a methyl group or an ethyl group; Y represents an aryl group or a heterocyclic group; V.sup.5 and V.sup.6 each represents a hydrogen atom, a halogen atom, an alkoxyl group, a hydroxyl group or a carboxyl group; X.sup.2 represents a counter ion; and n represents a number of 0 or more necessary for neutralizing a charge in the molecule.

    摘要翻译: 描述了含有至少一种由下式(I)表示的化合物和至少一种由下式(II)表示的化合物的卤化银照相材料:其中R1和R2各自表示烷基; W表示氢原子,甲基或乙基; V1,V2,V3和V4各自表示氢原子,氟原子,氯原子,烷氧基,羟基或羧基; X1表示抗衡离子; m表示中和分子中的电荷所需的0以上的数; 其中R 3和R 4各自表示烷基,R 3和R 4中的至少一个表示羧基烷基或烷磺酰基氨基甲酰基烷基; Z表示氢原子,甲基或乙基; Y表示芳基或杂环基; V5和V6各自表示氢原子,卤素原子,烷氧基,羟基或羧基; X2表示抗衡离子; n表示中和分子中的电荷所需的0以上的数。

    Photographic element containing antifogging cycanine dyes
    6.
    发明授权
    Photographic element containing antifogging cycanine dyes 失效
    含有防晕循环染料的摄影元件

    公开(公告)号:US5958666A

    公开(公告)日:1999-09-28

    申请号:US926857

    申请日:1997-09-10

    摘要: A photographic element comprises at least one light-sensitive layer comprising a silver halide emulsion, wherein the silver halide content is less than or equal to 30% silver chloride, and a dye of formula (I) or formula (II): ##STR1## wherein the substituents are as defined in the specification. ##STR2## wherein the substituents are as defined in the specification.

    摘要翻译: 照相元件包括至少一个包含卤化银乳剂的感光层,其中卤化银含量小于或等于30%氯化银,和式(I)或式(II)的染料:其中取代基 如说明书中所定义。 其中取代基如说明书中所定义。

    Process for the preparation of novel stabilized phosphorus ylides
    9.
    发明授权
    Process for the preparation of novel stabilized phosphorus ylides 失效
    制备新型稳定化磷内鎓盐的方法

    公开(公告)号:US5856558A

    公开(公告)日:1999-01-05

    申请号:US912799

    申请日:1997-08-18

    CPC分类号: C07F9/60 C07F9/5352 G03C1/10

    摘要: The present invention relates to novel stabilized phosphorous ylides and processes for their preparation. More particularly, the present invention relates to a process for substituting the carbonyl oxygen of 2-formyl- or 2-oxoalkylidenetriphenyl-phosphoranes (OATP) by other stabilizing groups to form novel compounds having an increased tendency to form complexes or compounds which absorb in the visible region of the spectrum.The compounds according to the present invention areCompounds of the formula (1)Ph.sub.3 .dbd.CH--C(R).dbd.Nu (1)wherein R is hydrogen, a C.sub.1 -C.sub.5 -alkyl, C.sub.1 -C.sub.3 -fluoroalkyl or perfluoroalkyl radical, an unfluorinated or fluorinated C.sub.6 -C.sub.14 -aryl radical or a group OCH.sub.3 ; andNu is S, Se, C(CN).sub.2, NH, PhN, PhNHN, ##STR1## or a radical of the formulae (a), (b), (c), (d) or (e) ##STR2## wherein Z is C(CH.sub.3).sub.2, S or N(CH.sub.3) and n=1 or 2 (provided that the combinations R.dbd.Ar, SAlk or OAlk and Nu.dbd.NPh, and the combinations R.dbd.H, Alk or aryl and Nu.dbd.S are excluded) are disclosed, as well as methods for making them.

    摘要翻译: 本发明涉及新的稳定磷叶内鎓及其制备方法。 更具体地说,本发明涉及用其它稳定基团取代2-甲酰基或2-氧代亚烷基三亚膦基(OATP)的羰基氧的方法,形成具有增加倾向于形成复合物或化合物的化合物的新型化合物 可见光谱区域。 根据本发明的化合物是式(1)的化合物,Ph 3 = CH-C(R)= Nu(1)其中R是氢,C 1 -C 5 - 烷基,C 1 -C 3 - 氟烷基或全氟烷基, 未氟化或氟化的C 6 -C 14 - 芳基或基团OCH 3; 和Nu是S,Se,C(CN)2,NH,PhN,PhNHN,IMA或者式(a),(b),(c),(d)或(e) (a)(b)(c)(d)和n = 1或2(条件是组合R = Ar,SAlk或OAlk和Nu = NPh,组合R = H ,Alk或芳基和Nu = S被排除),以及制备它们的方法。