Multilayer color photographic element
    61.
    发明授权
    Multilayer color photographic element 失效
    多层彩色摄影元件

    公开(公告)号:US5853968A

    公开(公告)日:1998-12-29

    申请号:US753648

    申请日:1996-11-27

    摘要: The invention provides a color negative photographic element comprising a transparent support bearing at least two light sensitive silver halide emulsion layers sensitive to blue light, at least two such layers sensitive to green light, and at least two such layers sensitive to red light, wherein at least one of the red sensitive emulsion layers is spectrally sensitized with both a particular first carbocyanine dye (I) which contains both a thiazole and an oxazole ring and a particular second carbocyanine dye (II) which contains two thiazole rings. The element of the invention is advantageous in allowing an increased efficiency of silver removal during the bleaching step of the development process.

    摘要翻译: 本发明提供了一种彩色底片照相材料,它包括一种透明支撑体,该透明支撑体带有至少两个对蓝光敏感的感光卤化银乳剂层,至少两个这样对绿色光敏感的层,以及至少两个这样对红光敏感的层, 红色感光乳剂层中的至少一种用含有噻唑和恶唑环的特定的第一碳代花青染料(I)和含有两个噻唑环的特定的第二碳菁染料(II)进行光谱增感。 本发明的元件有利于在显影过程的漂白步骤期间提高银的去除效率。

    High-contrast silver halide photographic material and photographic image
forming system using the same
    62.
    发明授权
    High-contrast silver halide photographic material and photographic image forming system using the same 失效
    高对比度卤化银照相材料和使用其的摄影图像形成系统

    公开(公告)号:US5853945A

    公开(公告)日:1998-12-29

    申请号:US867419

    申请日:1997-06-02

    摘要: A silver halide photographic material for mammography comprising a support having on one side thereof at least two light-sensitive emulsion layers different in sensitivity, in which the uppermost emulsion layer is less sensitive than the lower emulsion layer, the total silver content of all light-sensitive emulsion layers is from 2.0 to 5.5 g/m.sup.2, and the silver halide light-sensitive material exhibits an average contrast of from 3.6 to 4.8 and a sensitivity of from 0.03 to 0.07 lux.sec. when developed as specified; and an X-ray photographic image forming system for mammography comprising (A) a single-sided silver halide light-sensitive material and (B) an X-ray intensifying screen having a layer substantially comprising a Gd.sub.2 O.sub.2 S:Tb fluorescence substance, in which the screen has an emission luminance of 150 to 250 and a contrast transfer function of from 0.40 to 1.00 at a spatial frequency of 5 line pairs/mm, the silver halide light-sensitive material has an average contrast of 3.6 to 4.8, and the X-ray photographic image forming system has a system sensitivity of 5.5 to 10 mR.

    摘要翻译: 一种用于乳房X线照相术的卤化银照相材料,包括一个支撑体,其一侧上具有不同灵敏度的至少两个感光乳剂层,其中最上层乳剂层比下乳剂层敏感性低, 敏感乳剂层为2.0〜5.5g / m 2,卤化银感光材料的平均对比度为3.6〜4.8,灵敏度为0.03〜0.07lux.sec。 按规定开发; 和用于乳房摄影的X射线摄影图像形成系统,包括(A)单面卤化银感光材料和(B)具有基本上包含Gd 2 O 2 S:Tb荧光物质的层的X射线增强屏,其中 屏幕的发光亮度为150〜250,对比度传递函数为0.40〜1.00,空间频率为5线对/ mm,卤化银感光材料的平均对比度为3.6〜4.8, ray摄影成像系统的系统灵敏度为5.5〜10mR。

    Method of hardener-free processing of a forehardened silver halide
photographic material
    63.
    发明授权
    Method of hardener-free processing of a forehardened silver halide photographic material 失效
    未硬化卤化银照相材料的无硬化处理方法

    公开(公告)号:US5795704A

    公开(公告)日:1998-08-18

    申请号:US752521

    申请日:1996-11-20

    摘要: A method is disclosed of hardener-free processing a forehardened silver halide photographic material comprising a film support and on one or both sides thereof at least one silver halide emulsion layer characterized in that (1) each silver halide emulsion layer comprises spectrally sensitized cubic silver chloride or silver bromochloride grains having not more than 25 mole % of bromide in a total amount of coated silver expressed as the equivalent amount of silver nitrate in the range of from 2.5 to 4 g/m.sup.2 ; (2) the forehardened material has a water absorption of less than 4 grams per gram of gelatin, wherein said water absorption has been determined by making the difference by weight of the material when dry and when having been dipped in demineralized water of 25.degree. C. during 3 minutes followed by squeezing off the superficial water; (3) hardener-free processing includes development with a developing solution comprising thiocyanate ions in amounts from 10.sup.-3 up to 10.sup.-2 molar.

    摘要翻译: 公开了一种无硬化处理包含薄膜载体的预硬化卤化银照相材料的方法,其一面或两面上至少有一个卤化银乳剂层,其特征在于:(1)每个卤化银乳剂层包含光谱增感的立方氯化银 或溴化银的银含量不超过25摩尔%的溴化银,其总量为以2.5至4克/米2的硝酸银表示; (2)预硬化材料每克明胶的吸水量小于4克,其中所述吸水性是通过在干燥时使材料的重量差异和当浸入25℃的软化水中时确定的 在3分钟内,然后挤压出浅水; (3)无固化剂处理包括用含有10-3至10-2摩尔的硫氰酸根离子的显影溶液进行显影。

    Silver halide color photographic material
    65.
    发明授权
    Silver halide color photographic material 失效
    卤化银彩色照相材料

    公开(公告)号:US5538838A

    公开(公告)日:1996-07-23

    申请号:US351527

    申请日:1994-12-07

    摘要: The present invention provides a silver halide color photographic material having an excellent color reproducibility and preservability. A novel silver halide color photographic material comprising a support having providing thereon at least one blue-sensitive silver halide emulsion layer containing a yellow color coupler, at least one green-sensitive silver halide emulsion layer containing a magenta color coupler, at least one red-sensitive silver halide emulsion layer containing a cyan color coupler, and at least one silver halide emulsion layer which provides said at least one red-sensitive silver halide emulsion layer with an interlayer effect is described, wherein said at least one silver halide emulsion layer which provides an interlayer effect is spectrally sensitized with a sensitizing dye represented by the following formula (I) and comprises a development inhibitor-releasing compound represented by the following formula (II): ##STR1##

    摘要翻译: 本发明提供了具有优异色彩再现性和保存性的卤化银彩色照相材料。 一种新颖的卤化银彩色照相材料,其包括在其上提供至少一种含有黄色成色剂的感蓝卤化银乳剂层的支持体,至少一种含有品红色成色剂的感绿卤化银乳剂层,至少一种红 - 描述了含有青色成色剂的敏感卤化银乳剂层和至少一种提供所述至少一种感红卤化银乳剂层具有层间效应的卤化银乳剂层,其中所述至少一种卤化银乳剂层提供 层间效应用下述式(I)表示的增感染料进行光谱增感,并含有由下式(II)表示的显影抑制剂释放化合物:

    Silver halide emulsions spectrally sensitized in the presence of low
N-alkyl pyridinium ions
    66.
    发明授权
    Silver halide emulsions spectrally sensitized in the presence of low N-alkyl pyridinium ions 失效
    卤化银乳剂在低N-烷基吡啶鎓离子存在下光谱增感

    公开(公告)号:US5536634A

    公开(公告)日:1996-07-16

    申请号:US316002

    申请日:1994-09-30

    申请人: Sang H. Kim

    发明人: Sang H. Kim

    IPC分类号: G03C1/18 G03C1/29

    CPC分类号: G03C1/18

    摘要: The invention provides a method of forming a spectrally sensitized emulsion comprising providing a silver bromoiodide emulsion, adding sensitizing dye ##STR1## X.sup.+ is a cation other than N-alkyl pyridinium, adding an N-alkyl pyridinium salt, and completing the heat cycle for sensitization.

    摘要翻译: 本发明提供一种形成光谱增感乳液的方法,包括提供溴碘化银乳剂,加入增感染料,加入N-烷基吡啶鎓盐,并完成致敏的热循环。

    Silver halide photographic material
    67.
    发明授权
    Silver halide photographic material 失效
    卤化银照相材料

    公开(公告)号:US5523203A

    公开(公告)日:1996-06-04

    申请号:US205064

    申请日:1994-03-03

    申请人: Junji Nishigaki

    发明人: Junji Nishigaki

    IPC分类号: G03C1/09 G03C1/29

    CPC分类号: G03C1/29

    摘要: A silver halide photographic material spectral-sensitized with a combination of compounds represented by the following formulas (I), (II) and (III) or (IV): ##STR1## wherein R.sub.11, R.sub.12, R.sub.21, R.sub.22, R.sub.31, R.sub.32, R.sub.41 and R.sub.42 each represents an alkyl group; R.sub.33 represents a hydrogen atom, an alkyl group or an aryl group; Z.sub.11 and Z.sub.21 each represents an atomic group necessary for forming a benzene ring; Z.sub.12 represents an atomic group necessary for forming a benzthiazole or benzoselenazole nucleus; Z.sub.22 represents an atomic group necessary for forming a benzoxazole or naphthoxazole nucleus; Z.sub.31, Z.sub.32 and Z.sub.41 each represents an atomic group necessary for forming a five-membered or six-membered nitrogen-containing heterocyclic ring; X.sub.11, X.sub.21 and X.sub.31 each represents a charge-neutralizing counter ion; and m, n and p each represents 0 or 1.

    摘要翻译: 用下述式(I),(II)和(III)或(IV)表示的化合物的组合进行光谱增感的卤化银照相材料:(I)(II) III)其中R11,R12,R21,R22,R31,R32,R41和R42各自表示烷基; R33表示氢原子,烷基或芳基; Z11和Z21各自表示形成苯环所需的原子团; Z12表示形成苯并噻唑或苯并硒唑核所需的原子团; Z22表示形成苯并恶唑或萘恶唑核所需的原子团; Z31,Z32和Z41各自表示形成五元或六元含氮杂环所必需的原子团; X11,X21和X31各自表示电荷中和反离子; m,n和p各自表示0或1。

    Spectrally sensitized photographic recording material
    68.
    发明授权
    Spectrally sensitized photographic recording material 失效
    光谱敏化摄影材料

    公开(公告)号:US5472839A

    公开(公告)日:1995-12-05

    申请号:US263829

    申请日:1994-06-22

    申请人: Michael Missfeldt

    发明人: Michael Missfeldt

    CPC分类号: C09B23/06 G03C1/18 G03C1/29

    摘要: A photographic recording material having a photosensitive silver halide emulsion layer which is spectrally sensitized with a sensitizing dye of one of the formulae I and II ##STR1## in which R.sup.1, R.sup.2 denote sulfoalkyl;R.sup.3 denotes alkyl;R.sup.4 denotes H, F, Cl, --CN, alkoxycarbonyl, carbamoyl;R.sup.5 denotes Cl, --CN;M.sup..sym. denotes a counter ion (cation) which is optionally necessary to balance the charge exhibits a high degree of sensitivity which is stable under warm, humid conditions.

    摘要翻译: 一种具有感光卤化银乳剂层的照相记录材料,其用式I和II(I)之一的增感染料进行光谱增感,其中R 1,R 2表示磺基烷基; R3表示烷基; R 4表示H,F,Cl,-CN,烷氧基羰基,氨基甲酰基; R5表示Cl,-CN; M(+)表示抗衡离子(阳离子),其任选地必须平衡电荷表现出在温暖,潮湿条件下稳定的高灵敏度。

    Methine compound and silver halide photographic material comprising the
same
    69.
    发明授权
    Methine compound and silver halide photographic material comprising the same 失效
    包含它的甲基化合物和卤化银照相材料

    公开(公告)号:US5439789A

    公开(公告)日:1995-08-08

    申请号:US240462

    申请日:1994-05-10

    CPC分类号: C09B23/02 G03C1/14 G03C1/29

    摘要: A silver halide photographic material is disclosed which comprises at least one of methine compounds represented by the following formula (I) ##STR1## wherein R.sub.1 represents a substituted or unsubstituted alkyl group; V.sub.1, V.sub.2, V.sub.3, V.sub.4, V.sub.5, V.sub.6 and V.sub.7 are the same or different and each represents a hydrogen atom or a substituent; X.sub.1 represents a halogen atom; L.sub.1, L.sub.2 and L.sub.3 are the same or different and each represents a substituted or unsubstituted methine group; E represents an auxochrome; n represents a number of 0 or more; M.sub.1 represents an ion for neutralizing charge; and m.sub.1 represents a number of 0 or more necessary for neutralizing the molecular charge.

    摘要翻译: 公开了卤化银照相材料,其包含由下式(I)表示的次甲基化合物中的至少一种:其中R 1表示取代或未取代的烷基; V1,V2,V3,V4,V5,V6和V7相同或不同,各自表示氢原子或取代基; X1表示卤原子; L1,L2和L3相同或不同,各自表示取代或未取代的次甲基; E表示辅助色素; n表示0以上的数; M1表示用于中和电荷的离子; m1表示中和分子电荷所需的0以上的数。

    Silver halide photographic material
    70.
    发明授权
    Silver halide photographic material 失效
    卤化银照相材料

    公开(公告)号:US5296345A

    公开(公告)日:1994-03-22

    申请号:US933184

    申请日:1992-08-21

    摘要: A silver halide photographic material is descloosed, comprising a support having thereon at least one silver halide emulsion layer, wherein the silver halide emulsion layer contains at least 1.times.10.sup.-4 mol of a compound represented by formula (I) per mol of silver halide and from 1.times.10.sup.-3 to 1.times.10.sup.-1 mol of compound represented by formula (II) per mol of the compound of formula (I) and the iodine content of the silver halide emulsion is 1 mol % or less: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, Z.sub.1, Z.sub.2, Z.sub.3, Z.sub.4, X.sup..crclbar. and n are defined in the specification. The photographic material is highly sensitive, can be processed rapidly, and does not fatigue the developer, yet it contains only a small percentage of iodine, if any. The photographic material is useful in photographic films including X-ray films.

    摘要翻译: 卤化银照相材料被除去,其中包含至少一个卤化银乳剂层的载体,其中卤化银乳剂层含有至少1×10 -4摩尔式(I)表示的化合物/摩尔卤化银 和每摩尔式(I)化合物的1×10 -3至1×10 -1摩尔的由式(II)表示的化合物,卤化银乳剂的碘含量为1摩尔%以下:(* 化学结构*)(I)(*化学结构*)(II)其中R1,R2,R3,R4,R5,R6,R7,Z1,Z2,Z3,Z4,X(负极)和n定义在 规范。 照相材料高度敏感,可快速加工,不会使显影剂疲劳,但只含少量碘。 照相材料可用于包括X射线胶片的摄影胶片。