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：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：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.

公开(公告)号：US4717648A

公开(公告)日：1988-01-05

申请号：US827138

申请日：1986-02-07

申请人： Shinji Ueda ,  Junya Nakajima ,  Tadao Shishido ,  Sadanobu Shuto

发明人： Shinji Ueda ,  Junya Nakajima ,  Tadao Shishido ,  Sadanobu Shuto

IPC分类号： G03C5/305 ,  G03C7/16 ,  G03C5/24 ,  G03C5/50

CPC分类号： G03C5/305

摘要： A process for processing a silver halide color reversal photographic light-sensitive material is disclosed, which comprises developing an imagewise exposed silver halide color reversal photographic light-sensitive material with a black-and-white developer containing at least one compound selected from the compounds of Group A, at least one compound selected from the compounds of Group B, and preferably further at least one compound selected from the compounds of Group C, whereinGroup A consists of organic heterocyclic compounds represented by formulae (A-I), (A-II), (A-III), and (A-IV) ##STR1## Group B consists of benzoimidazole, indazole, benzotriazole, benzooxazole and benzothiazole compounds, not containing a thiol group, a thioether bond, a thioketone group, or a disulfide bond.Group C consists of compounds represented by formulae (C-I) and (C-II). ##STR2## wherein the symbols are as defined in the appended claims.

摘要翻译： 公开了一种处理卤化银彩色反转照相感光材料的方法，其包括用含有至少一种选自以下化合物的黑白显影剂显影成像曝光的卤化银彩色反转照相感光材料： A组，选自B组化合物的至少一种化合物，优选至少一种选自C组化合物的化合物，其中A组由式（AI），（A-II）表示的有机杂环化合物组成， （A-III）和（A-IV）组合物（A-IV）（A-IV）（A-IV） ，苯并三唑，苯并恶唑和苯并噻唑化合物，不含硫醇基，硫醚键，硫酮基或二硫键。 C组由式（C-I）和（C-II）表示的化合物组成。 （C-I）（C-II）其中符号如所附权利要求中所定义。

公开(公告)号：US6048673A

公开(公告)日：2000-04-11

申请号：US26500

申请日：1998-02-19

申请人： Masayuki Kuramitsu ,  Sadanobu Shuto ,  Shigeru Kuwashima ,  Makoto Yamada

发明人： Masayuki Kuramitsu ,  Sadanobu Shuto ,  Shigeru Kuwashima ,  Makoto Yamada

IPC分类号： G03C7/30 ,  G03C1/46

CPC分类号： G03C7/3041 ,  G03C7/3029 ,  G03C1/10 ,  G03C1/485 ,  G03C5/50 ,  G03C7/3022

摘要： The present invention relates to a color reversal photographic light-sensitive material, and particularly to a color reversal photographic light-sensitive material improved in skin color (flesh color) reproduction. More specifically, it relates to a color reversal photographic light-sensitive material that is excellent in tone reproduction of gray and skin colors, and that also exhibits a preferable chroma (colorfulness or saturation) with respect to skin colors of different tints.

摘要翻译： 本发明涉及一种彩色反转照相感光材料，特别涉及一种改善肤色（肉色）再现性的彩色反转照相感光材料。 更具体地说，本发明涉及一种在灰色和肤色的色调再现性优异的彩色反转照相感光材料中，并且相对于不同着色的肤色也表现出优选的色度（色度或饱和度）。

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：US4608334A

公开(公告)日：1986-08-26

申请号：US775941

申请日：1985-09-12

申请人： Sadanobu Shuto ,  Munehisa Fujita ,  Kazunori Hasebe

发明人： Sadanobu Shuto ,  Munehisa Fujita ,  Kazunori Hasebe

IPC分类号： G03C7/20 ,  G03C7/30 ,  G03C7/32 ,  G03C1/46 ,  G03C1/08

CPC分类号： G03C7/3022 ,  G03C2007/3024 ,  G03C2007/3034 ,  G03C2200/19 ,  G03C2200/35 ,  G03C5/50

摘要： A silver halide color light-sensitive material having improved graininess is described, comprising a support having provided thereon at least two emulsion layers that are sensitive to the same color light but have different sensitivities, wherein a light-insensitive intermediate layer comprising gelatin is provided between any two of said emulsion layers that are adjacent to each other and the higher sensitivity emulsion layer of said two layers has a smaller silver/coupler molar ratio than that of the lower sensitivity emulsion layer of said two emulsion layers.

摘要翻译： 描述了具有改善的颗粒度的卤化银彩色感光材料，其包括其上设置有至少两个对相同颜色的光敏感但具有不同灵敏度的乳剂层的载体，其中包含明胶的不透光中间层设置在 彼此相邻的任何两个所述乳剂层和所述两层的较高灵敏度乳剂层具有比所述两个乳剂层的较低灵敏度乳剂层的银/偶合剂摩尔比更小的银/偶合剂摩尔比。