Process for the formation of direct positive images
    1.
    发明授权
    Process for the formation of direct positive images 失效
    形成直接正面图像的过程

    公开(公告)号:US4954427A

    公开(公告)日:1990-09-04

    申请号:US60790

    申请日:1987-06-12

    摘要: A process for the formation of direct positive images comprising (1) imagewise exposing to light, a light-sensitive material comprising a photographic emulsion layer containing unfogged internal latent image type silver halide particles on at least one support, and (2) developing the light-sensitive material in the presence of a nucleating agent and at least one nucleation accelerator of general formula (I):A--(Y).sub.n R].sub.m (I)wherein A represents a group which is adsorbed by a silver halide; Y represents a divalent linkage group consisting of atoms or atomic groups selected from the group consisting of a hydrogen atom, a carbon atom, a nitrogen atom, an oxygen atom, and a sulfur atom; R represents an organic group containing at least one of a thioether group, an amino group, an ammonium group, an ether group, and a heterocyclic group; n represents an integer of 0 or 1; and m represents an integer of 1 or 2 to form direct positive images.

    摘要翻译: 一种用于形成直接阳性图像的方法,包括(1)成像曝光,包含在至少一个载体上含有未雾化的内部潜像型卤化银颗粒的照相乳剂层的感光材料,和(2)显影光 在存在成核剂和至少一种通式(I)的成核促进剂的情况下:A-(Y)nR] m(I)其中A表示被卤化银吸附的基团; Y表示由选自氢原子,碳原子,氮原子,氧原子和硫原子的原子或原子团组成的二价连接基团; R表示含有硫醚基,氨基,铵基,醚基和杂环基中的至少一个的有机基团; n表示0或1的整数; m表示1或2的整数,形成直接正像。

    Method for forming direct positive image comprising developing with a
combination of a nucleating agent and a hydrazine derivative
    2.
    发明授权
    Method for forming direct positive image comprising developing with a combination of a nucleating agent and a hydrazine derivative 失效
    用于形成直接阳性图像的方法,其包括用成核剂和肼衍生物的组合显影

    公开(公告)号:US4880729A

    公开(公告)日:1989-11-14

    申请号:US91913

    申请日:1987-09-01

    CPC分类号: G03C1/48546

    摘要: A method for forming a direct positive image by the steps of (a) imagewise exposing a light-sensitive material including a support having thereon at least one photographic emulsion layer containing a nonprefogged silver halide capable of forming an internal latent image and (b) developing the exposed material in the presence of a nucleating agent containing a combination of at least one quaternary heterocyclic compound and at least one hydrazine compound. The resulting direct positive has sufficiently high maximum density and low minimum density, and satisfactory stability over time.

    摘要翻译: 一种用于通过以下步骤形成直接正像的方法:(a)使包含其上的支持体的感光材料成像曝光至少一个含有能够形成内部潜像的非反射卤化银的照相乳剂层和(b)显影剂 在含有至少一种四元杂环化合物和至少一种肼化合物的组合的成核剂存在下的暴露材料。 所得到的直接正极具有足够高的最大密度和低的最小密度,并且随着时间的推移令人满意的稳定性。

    Direct positive photographic materials and a method of forming direct
positive images
    3.
    发明授权
    Direct positive photographic materials and a method of forming direct positive images 失效
    直接的正性照相材料和形成直接正像的方法

    公开(公告)号:US4948712A

    公开(公告)日:1990-08-14

    申请号:US184552

    申请日:1988-06-07

    IPC分类号: G03C7/30

    摘要: The invention provides (1) direct positive photographic photosensitive materials in which at least one type of FR compound which releases fogging agent or development accelerator or a precursor thereof in accordance with the amount of silver developed when the silver halide is being developed is included in a direct positive photographic material comprising at least one layer of non-pre-fogged internal latent image type silver halide emulsion on a support, and (2) a method of forming direct positive images of which the distinguishing features are that in a method for the formation of direct positive images in which a direct positive photographic photosensitive material comprising at least one layer of non-pre-fogged internal latent image forming silver halide emulsion on a support is processed, after image exposure, in a surface developer, at least one type of FR compound which releases fogging agent or development accelerator or precursors thereof is included in the said photographic mateiral, and that the said photosensitive material is subjected to a fogging process and to a development process during and/or after the said fogging process.It is possible by means of this invention to obtain direct positive photographic materials which have excellent stability with respect to the passage of time and especially good stability with respect to the passage of time under conditions of high temperature and high humidity.Moreover, it is possible to obtain direct positive photographic materials and a method of forming direct positive images which have a high maximum image density and a high resolving power.Moreover, it is possible to obtain direct positive photographic materials and a method of forming direct positive images with which direct positive images which have a satisfactorily high color density can be obtained, even on processing in highly stable developers of low pH.

    Process for forming a direct positive image
    5.
    发明授权
    Process for forming a direct positive image 失效
    形成直接正像的过程

    公开(公告)号:US4835091A

    公开(公告)日:1989-05-30

    申请号:US65353

    申请日:1987-06-23

    IPC分类号: G03C1/485 G03C7/30 G03C7/407

    摘要: A process for forming a direct positive image which comprises image-wise exposing a light-sensitive material comprising a support having provided thereon at least one internal latent image type direct positive silver halide photographic emulsion layer, subjecting the selecting material to whole surface exposure before or during developing process, and then developing the resulting material in the presence of a quaternary salt type nucleating agent or a hydrazine type nucleating agent.The process is very high in the latitude for changes of expose amount, developing time, developing solution components, process temperature and the like and makes it possible to progress the development is a short time even in a low pH developing solution.

    摘要翻译: 一种用于形成直接正像的方法,该方法包括使包含具有至少一个内部潜像型直接正卤化银摄影乳剂层的支持体的感光材料成像曝光,使选择材料经受整个表面曝光之前或 在显影过程中,然后在季盐型成核剂或肼型成核剂的存在下显影所得材料。 该过程在曝光量,显影时间,显影液成分,加工温度等的变化的纬度上是非常高的,并且即使在低pH显影液中也可以进行短时间的发展。

    Silver halide photographic material comprising a specified nucleating
agent
    6.
    发明授权
    Silver halide photographic material comprising a specified nucleating agent 失效
    包含特定成核剂的卤化银照相材料

    公开(公告)号:US4877723A

    公开(公告)日:1989-10-31

    申请号:US117725

    申请日:1987-11-06

    IPC分类号: G03C1/06 G03C1/485

    CPC分类号: G03C1/48546 Y10S430/141

    摘要: A silver halide photographic material which comprises a support having provided thereon at least one photosensitive silver halide photographic emulsion layer, wherein the emulsion layer or at least one of the other hydrophilic colloid layers contains at least one of alkynyl-substituted heterocyclic quaternary ammonium salts represented by the formula: ##STR1## wherein Z represents a group of non-metallic atoms required to form a 5- to 6-membered heterocyclic ring, R.sup.1 represents an aliphatic group, R.sup.2, R.sup.3 and R.sup.4, which may be the same or different, each represents a hydrogen atom, an aliphatic group, or an aromatic group, at least one of R.sup.1, R.sup.2, R.sup.3, R.sup.4 and Z has at least one substituent having an alkynyl group, Y represents a counter ion for the charge balance, and n is a number required for charge balance.

    摘要翻译: 一种卤化银照相材料,其包括其上提供有至少一个光敏卤化银照相乳剂层的载体,其中所述乳剂层或其它亲水胶体层中的至少一个包含至少一种炔基取代的杂环季铵盐 式(I)其中Z表示形成5-至6-元杂环所需的一组非金属原子,R 1表示脂族基团,R 2,R 3和R 4可以相同或不同, 不同的是,各自表示氢原子,脂族基团或芳香族基团,R 1,R 2,R 3,R 4和Z中的至少一个具有至少一个具有炔基的取代基,Y表示电荷平衡的抗衡离子, n是电荷平衡所需的数字。

    Direct positive photographic light-sensitive material
    7.
    发明授权
    Direct positive photographic light-sensitive material 失效
    直接正拍摄感光材料

    公开(公告)号:US4981780A

    公开(公告)日:1991-01-01

    申请号:US278920

    申请日:1988-12-02

    CPC分类号: G03C1/09 G03C1/08 G03C1/48546

    摘要: A direct positive photographic light-sensitive material comprising: (1) a support, (2) at least one photographic emulsion layer containing internal latent image type silver halide grains not having been previously fogged, wherein the internal latent image type silver halide grains are silver bromide, silver chloride, silver iodobromide, silver chlorobromide or silver chloroiodobromide grains in which at least one metal selected from manganese, copper, zinc, cadmium, lead, bismuth, indium, thallium, zirconium, lanthanum, chromium, rhenium, and metals of group VIII of the Periodic Table is incorporated, and (3) at least one compound represented by the following formula (N-1): ##STR1## wherein Z.sup.1 represents a nonmetallic atomic group necessary to form a 5-membered or 6-membered heterocyclic ring to which an aromatic ring or a heterocyclic ring may further be condensed; R.sup.1 represents an aliphatic group; X represents .dbd.C-- or --N--; Q represents a nonmetallic atomic group necessary to form a 4-membered to 12-membered nonaromatic hydrocarbon ring or nonaromatic heterocyclic ring; at least one of R.sup.1, a substituent for Z.sup.1 and a substituent for Q includes an alkynyl group; Y represents a counter ion necessary for charge balance; and n represents a number necessary to balance a charge.

    Direct positive image forming method comprising developing with a
combination of nucleating agents
    8.
    发明授权
    Direct positive image forming method comprising developing with a combination of nucleating agents 失效
    直接正成像方法包括用成核剂的组合显影

    公开(公告)号:US4968592A

    公开(公告)日:1990-11-06

    申请号:US251423

    申请日:1988-09-30

    IPC分类号: G03C1/485 G03C7/30

    CPC分类号: G03C1/48546 Y10S430/141

    摘要: A direct positive image forming method comprising development processing an imagewise exposed photographic light-sensitive material comprising a support having thereon at least on photographic emulsion layer containing internal latent image type silver halide grains not having been previously fogged in the presence of a nucleating agent, wherein the nucleating agent comprises at least two kinds of nucleating agents and a ratio of nucleating rates thereof is at least 2.0.In accordance with the method of the present invention, images having both a low minimum density and an extremely high maximum density can be rapidly and stably obtained using a small amount of nucleating agents.

    摘要翻译: 一种直接正性图像形成方法,包括显影处理成像曝光的照相感光材料,其包含其上至少包含在成核剂存在下未被雾化的内部潜像型卤化银颗粒的照相乳剂层的载体,其中 成核剂包含至少两种成核剂,其成核速率的比例至少为2.0。 根据本发明的方法,可以使用少量的成核剂快速且稳定地获得具有低最小密度和极高的最大密度的图像。

    Radiation image storage panel and process for producing the same
    9.
    发明授权
    Radiation image storage panel and process for producing the same 失效
    辐射图像存储面板及其制造方法

    公开(公告)号:US06572986B2

    公开(公告)日:2003-06-03

    申请号:US09770221

    申请日:2001-01-29

    IPC分类号: H01J162

    摘要: A radiation image storage panel comprises at least a substrate and a phosphor layer overlaid upon the substrate. The phosphor layer contains a binder, a phosphor, and at least one kind of organic phosphorus compound represented by Formula (1): (R)nPO(OM)3−n  (1) in which R represents an alkyl group, an aryl group, or a heterocyclic group, which may be optionally substituted by a substituent; M represents a hydrogen atom, an alkali metal, or —N+(R1)4, where R1 represents an alkyl group having at most two carbon atoms; and n represents an integral number of 1 or 2. The radiation image storage panel exhibits enhanced dispersibility of phosphor particles and a high sensitivity and yields little noise.

    摘要翻译: 辐射图像存储面板至少包括衬底和覆盖在衬底上的磷光体层。 荧光体层含有粘合剂,荧光体和由式(1)表示的至少一种有机磷化合物:其中R表示烷基,芳基或杂环基,其可任选被 取代基; M表示氢原子,碱金属或-N +(R 1)4,其中R 1表示具有至多2个碳原子的烷基; andn表示1或2的整数。辐射图像存储面板表现出增强的荧光体颗粒的分散性和高灵敏度,并且产生很小的噪声。

    Method for forming a direct positive image
    10.
    发明授权
    Method for forming a direct positive image 失效
    形成直接正像的方法

    公开(公告)号:US4968596A

    公开(公告)日:1990-11-06

    申请号:US266605

    申请日:1988-11-02

    IPC分类号: G03C1/485

    CPC分类号: G03C1/48546 Y10S430/141

    摘要: A method for forming a direct positive image comprising the steps of:(a) imagewise exposing a photographic light-sensitive material composed of a support having thereon at least one unprefogged internal latent image type silver halide light-sensitive emulsion layer; and(b) developing the exposed photographic light-sensitive material to form a direct positive image in the presence of at least one nucleating agent represented by formula (N-I); ##STR1## wherein Z.sup.1 represents nonmetal atomic group necessary for forming a 5-membered or 6-membered heterocyclic ring, a 5-membered or 6-membered heterocyclic ring fused with an aromatic ring, or a 5-membered or 6-member heterocyclic ring fused with another heterocyclic ring; R.sup.1 represents an aliphatic group; X represents ##STR2## Q represents a nonmetallic atomic group necessary for forming a 4-membered to 12-membered nonaromatic hydrocarbon ring or a 4-membered to 12-membered nonaromatic heterocyclic ring; provided that at least one of R.sup.1, Z.sup.1 and Q is substituted with an alkynyl group; Y represents a counter ion required for charge balance; and n is a number required for charge balance; or Z.sup.1 contains a heterocyclic quaternary ammonium salt completed by said Z.sup.1 via a linkage group.

    摘要翻译: 一种用于形成直接正像的方法,包括以下步骤:(a)成像曝光由其上具有至少一个未反光内部潜像型卤化银感光乳剂层的支撑体组成的照相感光材料; 和(b)在存在由式(N-I)表示的至少一种成核剂的情况下,显影曝光的照相感光材料以形成直接正像; (NI)其中Z1表示形成5元或6元杂环所需的非金属原子团,与芳环稠合的5元或6元杂环,或5元或6元杂环, 与另一个杂环稠合的杂环; R1表示脂肪族基团; X表示形成4元〜12元非芳香烃环或4元〜12元非芳香族杂环所必需的非金属原子团; 条件是R1,Z1和Q中的至少一个被炔基取代; Y表示电荷平衡所需的抗衡离子; n是电荷平衡所需的数字; 或Z 1包含通过连接基团由所述Z1完成的杂环季铵盐。