公开(公告)号：US4828972A

公开(公告)日：1989-05-09

申请号：US113397

申请日：1987-10-26

申请人： Mikio Ihama ,  Sadanobu Shuto ,  Tadaaki Tani ,  Naoyasu Deguchi

发明人： Mikio Ihama ,  Sadanobu Shuto ,  Tadaaki Tani ,  Naoyasu Deguchi

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

CPC分类号： G03C1/015 ,  G03C1/12 ,  G03C2200/06

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。

公开(公告)号：US5104784A

公开(公告)日：1992-04-14

申请号：US509828

申请日：1990-04-17

申请人： Sadanobu Shuto ,  Naoyasu Deguchi

发明人： Sadanobu Shuto ,  Naoyasu Deguchi

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.

公开(公告)号：US5081009A

公开(公告)日：1992-01-14

申请号：US559452

申请日：1990-07-25

申请人： Hatsumi Tanemura ,  Sadanobu Shuto ,  Noriyuki Inoue ,  Naoyasu Deguchi

发明人： Hatsumi Tanemura ,  Sadanobu Shuto ,  Noriyuki Inoue ,  Naoyasu Deguchi

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.

公开(公告)号：US4886738A

公开(公告)日：1989-12-12

申请号：US104130

申请日：1987-10-05

申请人： Naoyasu Deguchi ,  Sadao Kamei ,  Kensuke Goda ,  Sadanobu Shuto ,  Yasuhiro Hayashi

发明人： Naoyasu Deguchi ,  Sadao Kamei ,  Kensuke Goda ,  Sadanobu Shuto ,  Yasuhiro Hayashi

IPC分类号： G03C1/035 ,  G03C1/06 ,  G03C1/09 ,  G03C1/46 ,  G03C7/00 ,  G03C7/26 ,  G03C7/30 ,  G03C7/392

CPC分类号： G03C7/30 ,  G03C1/09 ,  G03C7/3003 ,  G03C7/3924

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。

公开(公告)号：US4720451A

公开(公告)日：1988-01-19

申请号：US777143

申请日：1985-09-18

申请人： Sadanobu Shuto ,  Naoyasu Deguchi

发明人： Sadanobu Shuto ,  Naoyasu Deguchi

IPC分类号： G03C7/26 ,  G03C7/392 ,  G03C7/30 ,  G03C5/50

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.

公开(公告)号：US5691125A

公开(公告)日：1997-11-25

申请号：US665897

申请日：1996-06-19

申请人： Takefumi Hara ,  Kazuyoshi Yamakawa ,  Sadanobu Shuto ,  Mitsuru Yamamoto ,  Makoto Suzuki ,  Yasuhiro Shimada ,  Katsuro Nagaoka ,  Satoshi Nagaoka ,  Yoshihiko Shibahara ,  Hideo Ikeda

发明人： Takefumi Hara ,  Kazuyoshi Yamakawa ,  Sadanobu Shuto ,  Mitsuru Yamamoto ,  Makoto Suzuki ,  Yasuhiro Shimada ,  Katsuro Nagaoka ,  Satoshi Nagaoka ,  Yoshihiko Shibahara ,  Hideo Ikeda

IPC分类号： G03C1/015 ,  G03C1/035 ,  G03C1/14 ,  G03C1/16 ,  G03C1/18 ,  G03C1/20 ,  G03C7/30 ,  G03C7/305 ,  G03C7/38 ,  G03C1/46

CPC分类号： G03C7/3041 ,  G03C1/14 ,  G03C7/30511 ,  G03C7/382 ,  G03C1/16 ,  G03C1/18 ,  G03C1/20

摘要： There is disclosed a silver halide color photographic material having a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, a blue-sensitive silver halide emulsion layer, which comprises a cyan dye-forming coupler represented by formula (I) and (a) a monodisperse silver halide emulsion, (b) non-photosensitive silver halide emulsion wherein the inside or the surface of grains is fogged, (c) a colloidal silver, (d) negative-type interval latent image-type silver halide grains chemically sensitized to a defined depth from the surface, (e) a sensitizing dye containing a sulfonamide group, (f) three separated layers of high, medium, and low sensitivities, (g) two separated layers each having different content of iodine, (h) grains each having a defined spectral sensitivity distribution and a DIR-hydroquinone, or (i) a DIR-hydroquinone: formula (I) ##STR1## wherein R.sup.1 represents a hydrogen atom or a substituent, R.sup.2 represents a substituent, X represents a hydrogen atom or a group capable of being released upon a coupling reaction of the coupler represented by formula (I) with the oxidized product of a color-developing agent, and Z.sup.1 represents a group of nonmetallic atoms required for forming a nitrogen-containing 6-membered heterocyclic ring, which contains at least one group capable of being dissociated.

摘要翻译： 公开了具有感红卤化银乳剂层，感绿卤化银乳剂层，感蓝卤化银乳剂层的卤化银彩色照相材料，其包含由式（I）表示的青色染料形成成色剂 ）和（a）单分散卤化银乳剂，（b）非感光卤化银乳剂，其中颗粒的内部或表面起雾，（c）胶态银，（d）负型间隔潜像型银 （e）含有磺酰胺基团的敏化染料，（f）三种高，中，低灵敏度的分离层，（g）两个分开的层，每层具有不同的碘含量 ，（h）各自具有限定的光谱灵敏度分布的颗粒和DIR-氢醌，或（i）DIR-氢醌：式（I）其中R 1表示氢原子或取代基，R 2表示取代基，X 代表 氢原子或能够由式（I）表示的成色剂与显色剂的氧化物偶联反应后释放的基团，Z1表示形成含氮6的所需非金属原子团 含有至少一个能够解离的基团。

公开(公告)号：US5460929A

公开(公告)日：1995-10-24

申请号：US45776

申请日：1993-04-14

申请人： Satoshi Nagaoka ,  Kazuyoshi Yamakawa ,  Mitsuru Yamamoto ,  Makoto Suzuki ,  Yasuhiro Shimada ,  Katsuro Nagaoka ,  Hideo Ikeda ,  Takefumi Hara ,  Sadanobu Shuto

发明人： Satoshi Nagaoka ,  Kazuyoshi Yamakawa ,  Mitsuru Yamamoto ,  Makoto Suzuki ,  Yasuhiro Shimada ,  Katsuro Nagaoka ,  Hideo Ikeda ,  Takefumi Hara ,  Sadanobu Shuto

IPC分类号： G03C1/14 ,  G03C7/30 ,  G03C7/305 ,  G03C7/38 ,  G03C1/46

CPC分类号： G03C7/30511 ,  G03C1/14 ,  G03C7/3041 ,  G03C7/3825

摘要： There is disclosed a silver halide color photographic material having a red-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer, a blue-sensitive silver halide emulsion layer, which comprises a cyan dye-forming coupler represented by formula (Ia) and (a) a sensitizing dye containing a sulfonamide group, (b) negative-type internal latent image-type silver halide grains chemically sensitized to a defined depth from the surface, (c) grains each having a defined spectral sensitivity distribution and a DIR-hydroquinone, (d) a monodisperse silver halide emulsion, (e) non-photosensitive silver halide emulsion wherein the inside or the surface of grains is fogged, (f) a colloidal silver, or (g) a DIR-hydroquinone: ##STR1## wherein Za represents --NH-- or --CH(R.sub.3)--, Zb and Zc each represent --C(R.sub.4).dbd. or --N.dbd., R.sub.1, R.sub.2, and R.sub.3 each represent an electron-attracting group wherein the Hammett substituent constant .sigma..sub.p value is 0.20 or more, provided that the sum of the .sigma..sub.p value of R.sub.1 and the .sigma..sub.p value of R.sub.2 is 0.65 or more, R.sub.4 represents a hydrogen atom or a substituent, if there are two groups R.sub.4 in the formula, they may be the same or different, and X represents a hydrogen atom or a group capable of being released upon a coupling reaction with the oxidized product of an aromatic primary amine color-developing agent, provided that R.sub.1, R.sub.2, R.sub.3, R.sub.4, or X may be a divalent group to form a homopolymer or a copolymer by bonding with a dimer or higher polymer or polymer chain.

摘要翻译： 公开了具有感红卤化银乳剂层，感绿卤化银乳剂层，感蓝卤化银乳剂层的卤化银彩色照相材料，其包含由式（Ia）表示的形成青色染料的成色剂 ）和（a）含有磺酰胺基团的增感染料，（b）从表面定义的深度化学敏化的负型内部潜像型卤化银颗粒，（c）各自具有确定的光谱灵敏度分布的颗粒和 DIR-氢醌，（d）单分散卤化银乳剂，（e）非光敏卤化银乳剂，其中颗粒的内部或表面起雾，（f）胶体银，或（g）DIR-氢醌:NH - 或-CH（R3） - ，Zb和Zc各自表示-C（R4）=或-N =，R1，R2和R3各自表示吸电子基团，其中哈米特取代基常数σp值为0.20以上 ，条件是R1的sigma p值和sigm的总和 R2的ap值为0.65以上，R4表示氢原子或取代基，如果式中有两个基团R 4，它们可以相同或不同，X表示氢原子或能够被释放的基团 与芳族伯胺显色剂的氧化产物的偶联反应，条件是R1，R2，R3，R4或X可以是二价基团，以通过与二聚体或更高级聚合物的键合形成均聚物或共聚物，或 聚合物链。

公开(公告)号：US5310638A

公开(公告)日：1994-05-10

申请号：US783113

申请日：1991-10-25

申请人： Sadanobu Shuto ,  Takashi Ozawa

发明人： Sadanobu Shuto ,  Takashi Ozawa

IPC分类号： G03C7/30 ,  G03C7/305 ,  G03C1/46

CPC分类号： G03C7/3022 ,  G03C7/30511 ,  Y10S430/158

摘要： A silver halide color photographic material comprises a support, a blue sensitive layer, a green sensitive layer and a red sensitive layer. The total silver content of the photographic material is not more than 1.0 g/m.sup.2. The photographic material further contains a compound represented by the formula (1a) or (1b): ##STR1## in which R.sup.12 is an aliphatic group, an aromatic group or a heterocyclic group; M is --CO--, --SO.sub.2 --, --N(R.sup.15)CO--, --OCO-- or --N(R.sup.15)SO.sub.2 --; each of R.sup.14, R.sup.15 and R.sup.24 independently is hydrogen, an alkyl group or an aryl group; L is a divalent linking group necessary for forming a 5, 6 or 7-membered ring; each of R.sup.11, R.sup.13 and R.sup.21 independently is hydrogen or a substituent group of the hydroquinone nucleus; Time is a group which is released from the oxidation product of the hydroquinone nucleus to further release X; X is a development inhibitor; and t is 0 or 1. M preferably is --SO.sub.2 --, --N(R.sup.15)CO--, --OCO-- or --N(R.sup.15)SO.sub.2 --.

摘要翻译： 卤化银彩色照相材料包括载体，感蓝敏感层，感绿层和红色敏感层。 照相材料的总银含量不超过1.0g / m 2。 照相材料还含有式（1a）或（1b）表示的化合物：其中R 12是脂族基团，芳族基团或杂环基团; M是-CO - ， - SO 2 - ， - N（R 15）CO - ， - OCO-或-N（R 15）SO 2 - ; R 14，R 15和R 24各自独立地为氢，烷基或芳基; L是形成5,6或7-元环所必需的二价连接基团; R11，R13和R21各自独立地为氢或氢醌核的取代基; 时间是从氢醌核的氧化产物释放出来进一步释放X的基团; X是开发抑制剂; 并且t为0或1.M优选为-SO 2 - ， - N（R 15）CO - ， - OCO-或-N（R 15）SO 2 - 。

公开(公告)号：US5266448A

公开(公告)日：1993-11-30

申请号：US858658

申请日：1992-03-27

申请人： Sadanobu Shuto ,  Takatoshi Ishikawa

发明人： Sadanobu Shuto ,  Takatoshi Ishikawa

IPC分类号： G03C5/30 ,  G03C5/50 ,  G03C7/30 ,  G03C7/46

CPC分类号： G03C5/50 ,  G03C7/3022 ,  Y10S430/141

摘要： A method for color reversal processing of an imagewise exposed silver halide color photographic material comprising first developing in a black-and-white developing bath, next color developing in a color developing bath, and then desilvering in a bath having a bleaching ability. The black-and-white developing bath has a bromide concentration in the range of 0.025 to 0.1 mol/l and is used for the black-and-white development. Furthermore, in a preferred embodiment, the photographic material comprises at least one silver halide emulsion layer containing a silver halide emulsion comprising silver halide grains having an average grain size of 0.3 .mu.m or less. In accordance with the invention, the maximum densities of the developed color images are increased without lowering of the sensitivity and contrast.

摘要翻译： 一种成像曝光的卤化银彩色照相材料的颜色反转处理方法，包括首先在黑白显影浴中显影，接着在彩色显影浴中显色，然后在具有漂白能力的浴中脱溶剂。 黑白显影浴的溴化物浓度范围为0.025〜0.1mol / l，用于黑白显影。 此外，在优选实施方案中，照相材料包含至少一种含有卤化银乳剂的卤化银乳剂层，该卤化银乳剂包含平均粒度为0.3μm或更小的卤化银颗粒。 根据本发明，显影的彩色图像的最大密度在不降低灵敏度和对比度的情况下增加。

公开(公告)号：US5110719A

公开(公告)日：1992-05-05

申请号：US611373

申请日：1990-11-13

申请人： Sadanobu Shuto ,  Hatsumi Tanemura ,  Shigeo Hirano

发明人： Sadanobu Shuto ,  Hatsumi Tanemura ,  Shigeo Hirano

IPC分类号： G03C1/485

CPC分类号： G03C1/48538 ,  Y10S430/141

摘要： A process for preparing a direct positive photosensitive material comprising providing on a support at least one silver halide light-sensitive emulsion layer containing the combination of (a) non-prefogged internal latent image silver halide grains; (b) a binder; (c) at least one compound represented by formulae (I), (II), or (III); and at least one compound represented by formula (IV):R--SO.sub.2 S--M (I)R--SO.sub.2 S--R.sup.1 (II)R--SO.sub.2 S--L.sub.m --S.O.sub.2 S--R.sup.2 (III)wherein R, R.sup.1 and R.sup.2 each represents a substituted or unsubstituted aliphatic group, a substituted or unsubstituted aromatic group or a substituted or unsubstituted heterocyclic group; M represents a cation; L represents a divalent linking group; and m is 0 or 1; andR.sup.3 --SO.sub.2 --M.sup.1 (IV)wherein R.sup.3 represents an aliphatic group, an aromatic group or a heterocyclic group; and M.sup.1 represents a cation. The material provides a direct positive image with high Dmax, low Dmin and high contrast.