Process for forming a direct positive image
    63.
    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 light-sensitive material containing a
compound capable of imagewise releasing a photographically useful group
during development
    64.
    发明授权
    Silver halide photographic light-sensitive material containing a compound capable of imagewise releasing a photographically useful group during development 失效
    含有能够在显影过程中成像释放摄影有用组的化合物的卤化银摄影感光材料

    公开(公告)号:US4770990A

    公开(公告)日:1988-09-13

    申请号:US852044

    申请日:1986-04-14

    摘要: A silver halide photographic material is disclosed. The material comprises a support and at least one silver halide emulsion layer formed thereon, in which said emulsion layer or other layer contains a compound represented by formula (I) ##STR1## wherein X represents an atomic group capable of releasing (Time).sub.t PUG by undergoing an oxidation-reduction reaction with CA.dbd.CR.sub.1 --CR.sub.2).sub.n C.sub.B ; C.sub.A and C.sub.B each represents a carbon atom; n represents an integer of 0, 1, 2, or 3; R.sub.1 and R.sub.2 each a hydrogen atom or a group substitutable for a hydrogen atom; EWG represents an electron withdrawing group having a Hammett's .sigma. para value greater than 0.3; --Time).sub.t PUG represents a group bonded to C.sub.B through an oxygen atom thereof; Time represents a timing group; t represents 0 or 1; and PUG represents a photographically useful group.

    摘要翻译: 公开了一种卤化银照相材料。 该材料包括载体和形成在其上的至少一个卤化银乳剂层,其中所述乳剂层或其它层含有由式(I)表示的化合物(I),其中X表示能够释放的原子团(时间 )tPUG通过与CA = CR1-CR2)nCB进行氧化还原反应; CA和CB各自表示碳原子; n表示0,1,2或3的整数; R1和R2各自为氢原子或可取代氢原子的基团; EWG表示具有大于0.3的哈米特σ值的吸电子基团; 时间)tPUG表示通过其氧原子与CB结合的基团; 时间表示时间组; t表示0或1; PUG代表摄影有用的组。

    Developing method
    66.
    发明授权
    Developing method 失效
    开发方法

    公开(公告)号:US4569904A

    公开(公告)日:1986-02-11

    申请号:US663924

    申请日:1984-10-23

    CPC分类号: G03C5/305 Y10S430/15

    摘要: A method for developing an exposed negative silver halide photographic light-sensitive material is described, in the presence of a hydrazind derivative, comprising treating the material with a developer containing at least components (a) a developing agent, (b) not less than 0.25 mol/liter of a sulfite, and (c) not less than 0.1 mol/liter of a compound having an acid dissociation constant of from 1.times.10.sup.-11 to 3.times.10.sup.-13, and having a pH value of from 10.5 to 12.3.

    摘要翻译: 在肼基衍生物的存在下,描述了曝光的负卤化银照相感光材料的显影方法,包括用至少包含组分(a)显影剂的显影剂处理该材料,(b)不少于0.25 摩尔/升的亚硫酸盐,和(c)不少于0.1摩尔/升的酸解离常数为1×10-11至3×10-13的化合物,其pH值为10.5至12.3。

    Silver halide photographic light-sensitive material
    68.
    发明授权
    Silver halide photographic light-sensitive material 失效
    卤化银照相感光材料

    公开(公告)号:US4518682A

    公开(公告)日:1985-05-21

    申请号:US532631

    申请日:1983-09-15

    摘要: A silver halide photographic light-sensitive material is disclosed. The material has improved sensitivity and granularity as well as an increased gradient. Further, the material can be processed by rapid processing methods. The material is comprised of a support having positioned thereon a light-sensitive silver halide emulsion layer and a compound represented by the general formula (I):A-B (I)wherein A is residue of a compound capable of undergoing a coupling reaction with an oxidized primary amine developer, the residue being derived by eliminating a hydrogen atom from an active position of the compound. B is a group capable of being released through a coupling reaction to exert a fogging effect.

    摘要翻译: 公开了一种卤化银照相感光材料。 该材料具有提高的灵敏度和粒度以及增加的梯度。 此外,材料可以通过快速加工方法加工。 该材料由其上定位有感光卤化银乳剂层的支持体和由通式(I)表示的化合物组成:AB(I)其中A是能够与氧化的(I)化合物进行偶联反应的化合物的残基 伯胺显影剂,残留物是通过从该化合物的活性位置除去氢原子得到的。 B是能够通过偶联反应释放以发挥起雾效果的基团。

    Silver halide color photographic materials with diffusible dye for
improving graininess
    69.
    发明授权
    Silver halide color photographic materials with diffusible dye for improving graininess 失效
    卤化银彩色照相材料,具有可扩散的染料,用于改善颗粒性

    公开(公告)号:US4489155A

    公开(公告)日:1984-12-18

    申请号:US511030

    申请日:1983-07-05

    摘要: In a silver halide color photographic material is disclosed. The material is comprised of a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, and a red-sensitive silver halide emulsion layer. The granularity of the material is improved by incorporating a non-diffusible coupler capable of forming a properly smearing diffusible dye by causing a reaction with the oxidation product of a color developing agent and a colorless competing compound capable of capturing the oxidation product of a color developing agent in at least one of the foregoing silver halide emulsion layers.

    摘要翻译: 在卤化银彩色照相材料中公开。 该材料包括感蓝卤化银乳剂层,感绿卤化银乳剂层和感红卤化银乳剂层。 通过引入能够形成适当涂抹的可扩散染料的非扩散性成色剂,通过引发与彩色显影剂的氧化产物和能够捕获显色剂的氧化产物的无色竞争化合物的反应来改善材料的粒度 在上述卤化银乳剂层中的至少一种。

    Method of treating direct positive silver halide sensitive material
    70.
    发明授权
    Method of treating direct positive silver halide sensitive material 失效
    直接卤化银感光材料的处理方法

    公开(公告)号:US4481285A

    公开(公告)日:1984-11-06

    申请号:US484811

    申请日:1983-04-14

    IPC分类号: G03C5/50 G03C1/485 G03C5/24

    CPC分类号: G03C1/48561 Y10S430/141

    摘要: A method of treating a direct positive silver halide sensitive material is disclosed. The material is comprised of a base having thereon a compound represented by the general formula (I), a sensitive silver halide photographic emulsion layer and a hydrophilic colloid layer. The exposed material is developed in the presence of the compound represented by the general formula (II) ##STR1## wherein R.sup.1 and R.sup.2 independently represent a hydrogen atom, an aliphatic residue, an aromatic residue or a heterocyclic residue, R.sup.3 represents a hydrogen atom or an aliphatic residue, R.sup.4 represents a hydrogen atom, an aliphatic residue or an aromatic residue, and X represents a divalent aromatic residue; ##STR2## wherein R.sup.1 and R.sup.2 represent each a hydrogen atom or an aliphatic residue, and R.sup.1 and R.sup.2 may form a ring by linking together, R.sup.3 represents a divalent aliphatic residue, X represents a single bond or a divalent heterocyclic ring containing nitrogen, oxygen or sulfur atoms, and M represents a hydrogen atom, an alkali metal, an alkaline earth metal, a quaternary ammonium salt, a quaternary phosphonium salt or an amidino group.The invention provides a process wherein the sharpness and edge effects of direct positive images are greatly improved. The results obtained with the process do not vary due to changes in the bromine ion concentration in the developing solution or the pH thereof.

    摘要翻译: 公开了一种处理直接正卤化银敏感材料的方法。 该材料由其上具有由通式(I)表示的化合物的底部,敏感的卤化银照相乳剂层和亲水胶体层组成。 暴露的材料在通式(II)表示的化合物的存在下显影,其中R1和R2独立地表示氢原子,脂族残基,芳族残基或杂环残基,R3表示 氢原子或脂肪族残基,R4表示氢原子,脂肪族残基或芳香族残基,X表示二价芳香族残基; (II)其中R 1和R 2各自表示氢原子或脂肪族残基,R 1和R 2可以通过连接在一起形成环,R 3表示二价脂肪族残基,X表示单键或含有 氮,氧或硫原子,M表示氢原子,碱金属,碱土金属,季铵盐,季鏻盐或脒基。 本发明提供一种方法,其中直接正像的清晰度和边缘效应大大提高。 用该方法获得的结果不会因显影液中溴离子浓度的变化或其pH而变化。