Method for manufacturing silver halide emulsion
    1.
    发明授权
    Method for manufacturing silver halide emulsion 失效
    卤化银乳剂的制造方法

    公开(公告)号:US4828972A

    公开(公告)日:1989-05-09

    申请号:US113397

    申请日:1987-10-26

    IPC分类号: G03C1/08 G03C1/015 G03C1/12

    摘要: A method for manufacturing a silver halide emulsion comprising the steps of forming silver halide grains in the presence of a hydrophilic colloid, physical ripening, desalting, and chemical ripening, wherein a photographic spectral sensitizing dye is added to the emulsion after adding at least 85% by weight of a soluble silver salt solution but before the desalting step is described.

    摘要翻译: 一种制备卤化银乳剂的方法,包括在亲水胶体,物理成熟,脱盐和化学成熟的存在下形成卤化银颗粒的步骤,其中将照相光谱增感染料加入乳液中,加入至少85% 的可溶性银盐溶液,但在脱盐步骤之前描述。

    Silver halide color photographic material
    2.
    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:US4886738A

    公开(公告)日:1989-12-12

    申请号:US104130

    申请日:1987-10-05

    摘要: A silver halide color photographic material comprising a support having thereon at least one silver halide photographic emulsion layer and at least one layer containing colloidal silver, wherein said colloidal silver-containing layer comprises at least one compound selected from compounds of general formula (I) and (II) below, and at least one photosensitive or non-photosensitive layer selected from a silver halide photosensitive layer positioned farthest from said support and any layers positioned between said farthest photosensitive layer and said support comprises a silver halide emulsion containing internally-fogged or surface-fogged silver halide grains: ##STR1## wherein the substituent groups on general formula (I) and (II) are as defined in the specification.

    摘要翻译: 一种卤化银彩色照相材料,包括其上具有至少一个卤化银照相乳剂层和至少一层含胶体银的载体,其中所述胶体含银层包含至少一种选自通式(I)和 (II),以及选自位于最远离所述载体的卤化银感光层和位于所述最远的感光层和所述载体之间的任何层的至少一个感光或非感光层包括含有内部雾化或表面的卤化银乳剂 - 卤化银颗粒:其中通式(I)和(II)中的取代基如说明书中所定义。

    Direct positive photosensitive material
    3.
    发明授权
    Direct positive photosensitive material 失效
    直接阳性感光材料

    公开(公告)号:US5104784A

    公开(公告)日:1992-04-14

    申请号:US509828

    申请日:1990-04-17

    IPC分类号: G03C1/06 G03C1/485

    CPC分类号: G03C1/48538

    摘要: A novel direct positive photosensitive material is provided comprising a support having therein at least one photographic emulsion layer containing internal latent image type silver halide grains not having been previously fogged, wherein the photographic emulsion layer comprises:(1) at least one of compounds represented by the general formulae [I], [II] and [III]; and(2) at least one of compounds represented by the general formulae [IV], [V] and [VI]:R--SO.sub.2 S--M [I]R--SO.sub.2 S--R.sup.1 [II]R--SO.sub.2 S--Lm--S.O.sub.2 S--R.sup.2 [III]wherein R, R.sup.1 and R.sup.2 may be the same or different and each represents an aliphatic group, aromatic group or heterocyclic group; M represents a cation; L represents a divalent connecting group; and m represents an integer 0 or 1;M'.sub.2 SO.sub.3 [IV]M'HSO.sub.3 [V]M'.sub.2 S.sub.2 O.sub.5 [VI]wherein M' represents a hydrogen atom or cation.

    Process for preparing an internal latent image silver halide emulsion
    4.
    发明授权
    Process for preparing an internal latent image silver halide emulsion 失效
    制备内部图像银膜乳液的方法

    公开(公告)号:US5081009A

    公开(公告)日:1992-01-14

    申请号:US559452

    申请日:1990-07-25

    IPC分类号: G03C1/035 G03C1/485

    CPC分类号: G03C1/035 G03C1/48538

    摘要: A direct positive photosensitive material composed of a support having thereon at least one photosensitive emulsion layer comprising non-prefogged internal latent image silver halide grains and at least one compound represented by formulae (I), (II), (III) or (IV): ##STR1## wherein M.sub.1 represents hydrogen, a cation or a protective group capable of being cleaved by an alkali; and Z represents an atomic group necessary for forming a 5-membered or 6-membered substituted or unsubstituted ring selected from a heterocyclic ring and a condensed heterocyclic ring; ##STR2## wherein Z.sub.1 represents an alkyl group containing from 1 to 18 carbon atoms, an aryl group containing from 6 to 18 carbon atoms or a heterocyclic group; Y.sub.1 and Y.sub.2, which may be the same or different, each represents an atomic group necessary for forming an aromatic ring containing from 6 to 18 carbon atoms or a heterocyclic ring; M represents a metal atom or an organic cation; and n is an integer of 2 to 10.

    Silver halide color reversal light-sensitive material

    公开(公告)号:US4720451A

    公开(公告)日:1988-01-19

    申请号:US777143

    申请日:1985-09-18

    CPC分类号: G03C7/39208

    摘要: A silver halide color reversal light-sensitive material comprising a support having thereon at least one red-sensitive emulsion layer, at least one green-sensitive emulsion layer and at least one blue-sensitive emulsion layer, at least one layer of said light-sensitive material comprising (1) an emulsion containing tabular silver halide grains having a diameter/thickness ratio of at least of about 4 and (2) at least one compound represented by the following general formulae (I) to (IV), said tabular silver halide grains being present in amount of at least about 50% of the total projected area of silver halide grains present in the same layer: ##STR1## wherein M.sub.1 represents a hydrogen atom, a cation or a group cleavable in alkaline conditions, and Z represents an atomic group as defined in the specification; ##STR2## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, each represents an alkyl group, an aryl group or an aralkyl group as defined in the specification, X.sup..crclbar. represents an anion, and n is 1 or is 0 when the compound forms an inner salt; ##STR3## wherein R.sub.5 represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group, V represents O, S, Se or NR.sub.6 wherein R.sub.6 represents an alkyl group, an aralkyl group, an alkenyl group, an aryl group or a heterocyclic group, which may be the same or different from R.sub.5, and Q.sub.1 represents an atomic group as defined in the specification; and ##STR4## wherein Y and Z, which may be the same or different, each represents a methine group, a substituted methine group or a nitrogen atom, Q.sub.2 represents an atomic group as defined in the specification, and M.sub.2 represents a hydrogen atom or a cation selected from an alkali metal cation and an ammonium ion.

    Silver halide color photographic light-sensitive material containing a
yellow filter layer
    6.
    发明授权
    Silver halide color photographic light-sensitive material containing a yellow filter layer 失效
    含有黄色滤光层的卤化银彩色照相感光材料

    公开(公告)号:US5081008A

    公开(公告)日:1992-01-14

    申请号:US403880

    申请日:1989-09-07

    申请人: Naoyasu Deguchi

    发明人: Naoyasu Deguchi

    摘要: In a silver halide color photographic light-sensitive material which includes at least one layer of each of red-, green-, and blue-sensitive silver halide emulsion layers and a yellow filter layer containing yellow colloidal silver on a support, an average grain size of at least one of the light-sensitive silver halide emulsions is 0.4 .mu.m or less, a maximum absorption peak of yellow colloidal silver in the yellow filter layer appears at 430 to 450 nm, and 1/4 absorption of the maximum absorption at the longer wavelength side occurs within the range of 500 to 560 nm. This photographic light-sensitive material can reduce a fog by the yellow filter layer without degrading other photographic properties.

    摘要翻译: 在卤化银彩色照相感光材料中,其中包含至少一层红色,绿色和蓝色感光卤化银乳剂层和在载体上含有黄色胶体银的黄色滤光层,平均晶粒尺寸 的至少一种感光卤化银乳剂为0.4μm以下,黄色滤光层中的黄色胶体银的最大吸收峰出现在430〜450nm,在 较长波长侧发生在500〜560nm的范围内。 这种照相感光材料可以减少黄色滤光层的灰雾,而不降低其他照相性能。

    Silver halide color reversal photographic material
    7.
    发明授权
    Silver halide color reversal photographic material 失效
    卤化银颜色反转照相材料

    公开(公告)号:US4788132A

    公开(公告)日:1988-11-29

    申请号:US884169

    申请日:1986-07-10

    IPC分类号: G03C7/26 G03C7/392 G03C5/50

    CPC分类号: G03C7/39276

    摘要: A silver halide color reversal photographic material is disclosed which comprises a support and at least one blue-sensitive silver halide emulsion layer, at least one green-sensitive silver halide emulsion layer and at least one red-sensitive silver halide emulsion layer on the support, which material is characterized in that at least one light-sensitive silver halide emulsion layer or at least one layer adjacent thereto contains at least one of the compounds represented by the following general formulae (I), (II), (III) and (IV): ##STR1## All the symbols used are as defined in the Specification.

    摘要翻译: 公开了一种卤化银彩色反转照相材料,其包含载体和至少一种蓝敏感卤化银乳剂层,载体上至少一种感绿卤化银乳剂层和至少一种感红卤化银乳剂层, 该材料的特征在于至少一种感光卤化银乳剂层或与其相邻的至少一层含有由以下通式(I),(II),(III)和(IV)表示的至少一种化合物 通用型(Ⅰ)通用型(II)通用型(II)通用型(III)通用型(III)通用型(IV)使用的所有符号均在规范中定义。

    Silver halide photographic material
    8.
    发明授权
    Silver halide photographic material 失效
    卤化银照相材料

    公开(公告)号:US4740454A

    公开(公告)日:1988-04-26

    申请号:US886490

    申请日:1986-07-17

    CPC分类号: G03C1/09 G03C7/39276

    摘要: A silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer containing tabular silver halide grains which have a diameter not less than 5 times the thickness thereof and account for at least 50% of the total projected area of the silver halide grains present in the silver halide emulsion layer and the silver halide photographic material also contains at least one compound represented by following general formulae (I), (II), (III) and (IV): ##STR1## wherein R represents a straight chain, branched chain or cyclic alkylene group, a straight chain or branched chain alkenylene group, a straight chain or branched chain aralkylene group or an arylene group; R.sub.1 represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted aralkyl group or a substituted or unsubstituted aryl group; Z represents a hydrogen atom or a polar substituent; X represents a hydrogen atom, a cation necessary for neutralizing the molecule or a precursor; and n represents 0 or 1.The silver halide photographic material has improved image sharpness not only at high spatial frequencies but also at low spatial frequencies.

    摘要翻译: 一种卤化银照相材料,包括其上具有至少一种含有片状卤化银颗粒的感光卤化银乳剂层的载体,所述片状卤化银颗粒的直径不小于其厚度的5倍,并且占总投影面积的至少50% 存在于卤化银乳剂层和卤化银照相材料中的卤化银颗粒还含有至少一种由以下通式(I),(II),(III)和(IV)表示的化合物: (III)其中R表示直链,支链或环状亚烷基,直链或支链亚烯基,直链或支链亚芳基或 亚芳基; R1表示取代或未取代的烷基,取代或未取代的烯基,取代或未取代的芳烷基或取代或未取代的芳基; Z表示氢原子或极性取代基; X表示氢原子,中和该分子或前体所必需的阳离子; 并且n表示0或1.卤化银照相材料不仅在高空间频率下而且在低空间频率下具有改善的图像清晰度。

    Silver halide color reversal photographic maerial having silver halide
emulsions with different grain diameters
    9.
    发明授权
    Silver halide color reversal photographic maerial having silver halide emulsions with different grain diameters 失效
    具有不同晶粒直径的卤化银乳剂的卤化银彩色反转照相材料

    公开(公告)号:US5213942A

    公开(公告)日:1993-05-25

    申请号:US715740

    申请日:1991-06-18

    IPC分类号: G03C1/035 G03C7/30

    摘要: The present invention relates to a silver halide color reversal photographic material comprising photosensitive silver halide photographic layers in which the average silver chloride content of the photosensitive silver halide emulsions is less than 7.0 mol %, at least one emulsion layer of the photographic layers consists of two or more emulsions having different average grain diameters, and the emulsion layer and/or the adjacent intermediate layer contains at least one compound that can release a photographically useful agent by redox reaction with the oxidation product of a developing agent. The silver halide color reversal photographic material of the present invention has a color-reversed image improved in graininess and sensitivity.

    摘要翻译: 本发明涉及一种包含光敏卤化银照相层的卤化银彩色反转照相材料,其中感光卤化银乳剂的平均氯化银含量小于7.0mol%,照相层的至少一层乳剂层由两份 或更多的具有不同平均粒径的乳液,乳剂层和/或相邻的中间层含有至少一种可通过与显影剂的氧化产物的氧化还原反应释放照相用的试剂的化合物。 本发明的卤化银彩色反转照相材料具有改善了粒度和灵敏度的颜色反转图像。

    Direct positive image forming method comprising developing with a
combination of nucleating agents
    10.
    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。