公开(公告)号：US5139921A

公开(公告)日：1992-08-18

申请号：US653480

申请日：1991-02-12

申请人： Yoshihiro Takagi ,  Hisashi Okada ,  Morio Yagihara

发明人： Yoshihiro Takagi ,  Hisashi Okada ,  Morio Yagihara

IPC分类号： G03C1/06

CPC分类号： G03C1/061 ,  G03C2001/108

摘要： A process of forming super high contrast negative photographic materials in a developer having a pH of from 9.6 to 11.0 wherein the photographic material contains a hydrazine compound and a nucleation accelerator. The nucleation accelerator is represented by formula (Ia):Y[(A.sub.1).sub.p A.sub.2 --B].sub.m (Ia)wherein Y represents a group adsorbing onto silver halide; A.sub.1 represents a divalent linkage group composed of an atom or an atomic group selected from hydrogen, carbon, nitrogen, oxygen, and sulfur and selected from ##STR1## with a straight chain or branched alkylene group wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9 and R.sub.10 each represents hydrogen, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkenyl group or a substituted or unsubstituted aralkyl group; A.sub.2 represents a divalent linkage group selected from a straight chain or branched alkylene group, a straight chain or branched alkenylene group, a straight chain or branched aralkylene group or a straight chain or branched arylene group; B represents a substituted or unsubstituted amino group, an ammonium group, or a nitrogen-containing heterocyclic ring; m represents the integer 1, 2, or 3; and p represents 0 or the integer 1.

摘要翻译： 在具有9.6至11.0的pH的显影剂中形成超高对比度负型照相材料的方法，其中照相材料含有肼化合物和成核促进剂。 成核促进剂由式（Ia）表示：Y [（A1）pA2-B] m（Ia）其中Y表示吸附在卤化银上的基团; A1表示由选自氢，碳，氮，氧和硫的原子或原子团组成的二价连接基团，并且选自具有直链或支链的 其中R1，R2，R3，R4，R5，R6，R7，R8，R9和R10各自表示氢，取代或未取代的烷基，取代或未取代的芳基，取代或未取代的烯基或取代或未取代的烯基 未取代的芳烷基; A2表示选自直链或支链亚烷基，直链或支链亚烯基，直链或支链亚芳基或直链或支链亚芳基的二价连接基团; B表示取代或未取代的氨基，铵基或含氮杂环; m表示整数1,2或3; p表示0或整数1。

公开(公告)号：US4851321A

公开(公告)日：1989-07-25

申请号：US117724

申请日：1987-11-06

申请人： Yoshihiro Takagi ,  Hisashi Okada ,  Morio Yagihara ,  Kazunobu Katoh

发明人： Yoshihiro Takagi ,  Hisashi Okada ,  Morio Yagihara ,  Kazunobu Katoh

IPC分类号： G03C1/06

CPC分类号： G03C1/061 ,  G03C1/36 ,  G03C2001/094 ,  G03C5/16 ,  Y10S430/15

摘要： A superhigh contrast negative type silver halide photographic material comprising a support having provided thereon at least one silver halide emulsion layer, the emulsion layer or at least one other hydrophilic colloid layer containing at least one hydrazine derivative and at least one compound of formula (I):Y[(X).sub.n A-B].sub.m (I)wherein Y represents a group capable of adsorbing to silver halide; X represents a divalent linking group comprising an atom or atoms selected from a hydrogen atom, a carbon atom, a nitrogen atom, an oxygen atom and a sulfur atom or an atomic group comprised of the atoms; A represents a divalent linking group; B represents a substituted or unsubstituted amino group, an ammonium group or a nitrogen-containing heterocyclic group; m represents 1, 2 or 3; and n represents 0 or 1. The photographic material may contain an organic desensitizer and a water-soluble rhodium salt, and the material has a low sensitivity and can be handled in a bright room.

摘要翻译： 一种超高对比度负型卤化银照相材料，包括其上提供有至少一个卤化银乳剂层的支撑体，所述乳剂层或至少一种含有至少一种肼衍生物和至少一种式（I）化合物的其它亲水胶体层， ：Y [（X）nA-B] m（I）其中Y表示能够吸收卤化银的基团; X表示包含选自氢原子，碳原子，氮原子，氧原子和硫原子的原子或原子或由原子构成的原子团的二价连接基团; A表示二价连接基团; B表示取代或未取代的氨基，铵基或含氮杂环基; m表示1,2或3; 并且n表示0或1.照相材料可以含有有机脱敏剂和水溶性铑盐，并且该材料具有低灵敏度并且可以在明亮的房间中处理。

公开(公告)号：US4956263A

公开(公告)日：1990-09-11

申请号：US238796

申请日：1988-08-31

申请人： Kunio Ishigaki ,  Kazunobu Katoh ,  Nobuaki Inoue ,  Hisashi Okada ,  Toshinao Ukai ,  Morio Yagihara ,  Yoshihiro Takagi ,  Masakazu Yoneyama

发明人： Kunio Ishigaki ,  Kazunobu Katoh ,  Nobuaki Inoue ,  Hisashi Okada ,  Toshinao Ukai ,  Morio Yagihara ,  Yoshihiro Takagi ,  Masakazu Yoneyama

IPC分类号： G03C1/06 ,  G03C1/83

CPC分类号： G03C1/061 ,  G03C1/83 ,  Y10S430/156

摘要： A silver halide photographic material capable of providing very high contrast image and having improved safelight safety is described, which comprises a support having thereon at least one silver halide emulsion layer, and containing in the silver halide emulsion layer or another hydrophilic colloid layer (i) a compound represented by formula (I) ##STR1## wherein PWR represents a group capable of releasing ##STR2## upon being reduced; Time represents a group capable of releasing LA after being released from PWR, t is 0 or 1; and LA represents a group having an absorption maximum in the wavelength region longer than 310 nm, (ii) a hydrazine derivative, and (iii) at least one compound represented by formulae (IX) and (X) ##STR3## wherein R.sup.91, R.sup.92, R.sup.93, and R.sup.94, which may be the same or different, each represents hydrogen, an alkyl group, an aryl group, an amino group, a hydroxyl group, an alkoxy group, an alkylthio group, a carbamoyl group, a halogen atom, a cyano group, a carboxyl group, an alkoxycarbonyl group or a heterocyclic group and R.sup.91 and R.sup.92 or R.sup.92 and R.sup.93 may be linked to form a 5- or 6-membered ring; provided that at least one of R.sup.91 and R.sup.93 represents a hydroxyl group.

公开(公告)号：US5217855A

公开(公告)日：1993-06-08

申请号：US735558

申请日：1991-07-25

申请人： Hisashi Okada ,  Morio Yagihara ,  Shigeru Nakamura

发明人： Hisashi Okada ,  Morio Yagihara ,  Shigeru Nakamura

IPC分类号： G03C1/035 ,  G03C5/29 ,  G03C7/42

CPC分类号： G03C7/42

摘要： A photographic processing composition containing at one compoud represented by formula (I) ##STR1## wherein R.sub.1 represents a hydrogen atom, an aliphatic group, or an aromatic group, L.sub.1 and L.sub.2 each represents a divalent bonding group including an alkylene group and/or an arylene group; X represents a ##STR2## group (wherein R.sub.a, R.sub.b and R.sub.c each represents a hydrogen atom, an aliphatic group or an aromatic group, and R.sub.d represents an aliphatic group or an aromatic group); and Y represents a carboxy group, a hydroxy group, a phosphono group, a sulfo group or a salt thereof. The processing composition does not produce precipitate or sludge even when contaminated by metallic ions. A processing method using the processing composition is also disclosed.

摘要翻译： 含有式（I）表示的一种化合物（I）的摄影处理组合物，其中R1表示氢原子，脂族基团或芳香族基团，L1和L2各自表示包括亚烷基和 /或亚芳基; X表示基团（其中，Ra，Rb和Rc各自表示氢原子，脂肪族基团或芳香族基团，Rd表示脂肪族基团或芳香族基团）。 Y表示羧基，羟基，膦酰基，磺基或其盐。 即使被金属离子污染，处理组合物也不会产生沉淀或污泥。 还公开了使用该处理组合物的处理方法。

公开(公告)号：US5601964A

公开(公告)日：1997-02-11

申请号：US219404

申请日：1994-03-28

申请人： Morio Yagihara ,  Hisashi Okada

发明人： Morio Yagihara ,  Hisashi Okada

IPC分类号： G03C1/06 ,  G03C1/485

CPC分类号： G03C1/061

摘要： A silver halide photographic material is disclosed, which comprises a support and at least one light-sensitive silver halide emulsion layer formed thereon, said emulsion layer containing at least one nucleating agent represented by formula (I) ##STR1## wherein A.sub.1 and A.sub.2 both represent a hydrogen atom, or one of A.sub.1 and A.sub.2 represents a hydrogen atom and the other represents a sulfinic acid residue or an acyl group; R.sub.1 represents an aliphatic group, an aromatic group, or a heterocyclic group; R.sub.2 represents a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, or an amino group; G represents a carbonyl group, a sulfonyl group, a sulfoxy group, a phosphoryl group, or an iminomethylene group; and Y represents a phenylene group or a naphthylene group; the sum of the total carbon atoms of said R.sub.1, R.sub.2, and Y being at least 13. The nucleating agent provides very high contrast images when used in a negative working silver halide emulsion.

摘要翻译： 公开了一种卤化银照相材料，其包括载体和形成在其上的至少一种感光卤化银乳剂层，所述乳剂层含有至少一种由式（I）表示的成核剂，其中A1和 A2均表示氢原子，或者A1和A2中的一个表示氢原子，另一个表示亚磺酸残基或酰基; R1表示脂肪族基团，芳香族基团或杂环基团; R2表示氢原子，烷基，芳基，烷氧基，芳氧基或氨基; G表示羰基，磺酰基，亚砜氧基，磷酰基或亚氨基亚甲基; Y表示亚苯基或亚萘基; 所述R1，R2和Y的总碳原子总数为至少13.当在负性卤化银乳剂中使用时，成核剂提供非常高的对比度图像。

公开(公告)号：US4977062A

公开(公告)日：1990-12-11

申请号：US178391

申请日：1988-04-06

申请人： Morio Yagihara ,  Hisashi Okada ,  Kazunobu Katoh ,  Nobuaki Inoue

发明人： Morio Yagihara ,  Hisashi Okada ,  Kazunobu Katoh ,  Nobuaki Inoue

IPC分类号： G03C1/06

CPC分类号： G03C1/061

摘要： An ultra-high contrast negative type silver halide photographic material comprising:(1) at least one silver halide emulsion layer on a support;(2) at least one compound selected from among hydrazine derivatives which can be represented by formula (I) below, which is included in said emulsion layer or in another hydrophilic colloid layer, ##STR1## wherein A.sub.1 and A.sub.2 both represent hydrogen atoms or one represents a hydrogen atom and the other represents a sulfinic acid residual group or an acyl group, R.sub.1 represents an aliphatic group, an aromatic group or a heterocyclic group, R.sub.2 represents a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, or an amino group, G.sub.1 represents a carbonyl group, a sulfonyl group, a sulfoxy group, a phosphoryl group or an N-substituted or unsubstituted iminomethylene group, and at least one of R.sub.1 and R.sub.2 has a group which promotes adsorption on silver halide; and(3) at least one compound selected from among the hydrazine derivatives which can be represented by the formula (II) below, which is included in the said emulsion layer or in another hydrophilic colloid layer, ##STR2## wherein A.sub.3 and A.sub.4 both represent hydrogen atoms or one represents a hydrogen atom and the other represents a sulfinic acid residual group or an acyl group, R.sub.3 represents an aliphatic group, an aromatic group or a heterocyclic group, R.sub.4 represents a hydrogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group or an amino group, G.sub.2 represents a carbonyl group, a sulfonyl group, a sulfoxy group, a phosphoryl group, or an iminomethylene group, and the total number of carbon atoms in R.sub.3 and R.sub.4 is at least 13.

公开(公告)号：US4971888A

公开(公告)日：1990-11-20

申请号：US349170

申请日：1989-05-09

申请人： Hisashi Okada ,  Morio Yagihara ,  Kazunobu Katoh

发明人： Hisashi Okada ,  Morio Yagihara ,  Kazunobu Katoh

IPC分类号： C07C271/28 ,  C07C275/36 ,  C07C275/40 ,  C07C275/42 ,  C07C311/08 ,  C07C311/24 ,  C07C311/47 ,  C07C311/49 ,  C07C323/60 ,  C07C333/08 ,  C07D209/48 ,  C07D213/77 ,  C07D213/82 ,  C07D251/20 ,  G03C1/06 ,  G03C1/485

CPC分类号： C07D209/48 ,  C07C271/28 ,  C07C275/36 ,  C07C275/40 ,  C07C275/42 ,  C07C311/08 ,  C07C311/24 ,  C07C311/47 ,  C07C311/49 ,  C07C323/60 ,  C07C333/08 ,  C07D213/77 ,  C07D213/82 ,  C07D251/20 ,  G03C1/061

摘要： A silver halide photographic material is disclosed, comprising a support having thereon at least one of silver halide photographic emulsion layers and other hydrophilic colloidal layers, wherein said at least one of photographic emulsion layers and other hydrophobic colloidal layers contains a compound represented by formula (I) ##STR1## wherein at least one of A.sub.1 and A.sub.2 represents a hydrogen atom and other represents a hydrogen atom, a sulfinic residual group or ##STR2## wherein R.sub.0 represents an alkyl group, an alkenyl group, an aryl grup, an alkoxy group or an aryloxy group, and l.sub.1 represents an integer of 1 or 2; G represents ##STR3## wherein m.sub.1 represents an integer of 1 or 2, a sulfonyl group, a sulfoxy group ##STR4## wherein R.sub.1 represents an alkoxy grup or an aryloxy group, a thiocarbonyl grup or an iminomethylene group; X represents an aliphatic group, an aromatic group or a heterocyclic group, substituted by the group represented by formula (a): ##STR5## wherein Y represents a hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group; L represents ##STR6## wherein R.sub.a ' represents a hydrogen atom, an aliphatic group or an aromatic group; R.sub.a represents a hydrogen atom, an aliphatic group or an aromatic group; and R represents a group represented by formula (b): ##STR7## wherein R.sub.b.sup.1 to R.sub.b.sup.4 may be the same or different and each represents a hydrogen atom, an aliphatic group or an atomatic group; B represents a suitable atomic group for forming a 5- or 6-membered ring; Z represents a group capable of making a nucleophilic attach on G to separate the --G--R portion from the other portion of the formula; m.sub.b represents an integer of 0 or 1; n.sub.b represents an integer of 1 when Z is a hydroxy group, or n.sub.b represents an integer of 0 or 1 when Z represents a group other than a hydroxy group; and (m.sub.b +n.sub.b) represents an integer of 1 or 2.

公开(公告)号：US4965169A

公开(公告)日：1990-10-23

申请号：US268126

申请日：1988-11-07

申请人： Mitsunori Hirano ,  Masato Hirano ,  Morio Yagihara ,  Hisashi Okada

发明人： Mitsunori Hirano ,  Masato Hirano ,  Morio Yagihara ,  Hisashi Okada

IPC分类号： G03C1/33 ,  G03C1/06 ,  G03C5/305

CPC分类号： G03C5/305

摘要： A method for forming a high contrast negative image comprising the steps of:(a) imagewise exposing a silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, said emulsion layer or other hydrophilic colloid layer containing at least one hydrazine derivative; and(b) developing said exposed silver halide photographic material in an developer solution containing:(1) a dihydroxybenzene developing agent;(2) at least one auxiliary developing agent selected from a 1-phenyl-3-pyrazolidone auxiliary developing agent and a p-aminophenol auxiliary developing agent;(3) at least 0.3 mol per liter of a sulfite; and(4) at least one compound represented by formula (I): ##STR1## wherein Y represents a group capable of adsorbing to silver halide; A represents a divalent linking group; B represents an amino group, an ammonium group or a nitrogen containing heterocyclic group; m is 1, 2 or 3; and n is 0 or 1; to form a high contrast negative image.

摘要翻译： 一种用于形成高对比度负影像的方法，包括以下步骤：（a）将含有至少一个感光卤化银乳剂层的支持体的卤化银照相材料成像曝光，所述乳剂层或其它亲水胶体层含有 至少一种肼衍生物; 和（b）在显影剂溶液中显影所述曝光的卤化银照相材料，所述显影剂溶液含有：（1）二羟基苯显影剂; （2）至少一种辅助显影剂，其选自1-苯基-3-吡唑烷酮辅助显影剂和对氨基苯酚辅助显影剂; （3）至少0.3摩尔/升亚硫酸盐; 和（4）至少一种由式（I）表示的化合物：其中Y表示可以吸附到卤化银上的基团; A表示二价连接基团; B表示氨基，铵基或含氮杂环基; m为1,2或3; 并且n为0或1; 以形成高对比度负像。

公开(公告)号：US5447821A

公开(公告)日：1995-09-05

申请号：US368731

申请日：1995-01-04

申请人： Hisashi Okada ,  Morio Yagihara ,  Katsumi Hayashi

发明人： Hisashi Okada ,  Morio Yagihara ,  Katsumi Hayashi

IPC分类号： C09K3/00 ,  G03C5/29 ,  G03C5/42 ,  G03C5/44

CPC分类号： G03C5/42 ,  G03C5/44

摘要： A reducer containing a ferric chelate compound of an amino compound and further containing an reduction accelerator and/or a complex-forming agent and a dye. ##STR1## wherein A.sub.41, A.sub.42 and A.sub.43 each individually represents a carboxyl group, a phosphono group, a sulfo group or a hydroxyl group; L.sub.41 and L.sub.42 each individually represents a divalent coupling group containing an aliphatic group, an aromatic group, a heterocyclic group or combinations thereof; R.sub.41 represents a substituent; and a represents 0, 1, 2, 3 or 4. The reducer is superior in the rate of reduction, reducibility and reduction working properties and so stable that no precipitate will separate out with time. Also disclosed is a silver image reducing method wherein a silver image formed by exposing and developing a silver halide photosensitive material is reduced in the presence of the above-described reducer. The reducer and the reducing method are suitable for application to high-contrast photosensitive materials.

摘要翻译： 含有氨基化合物的铁螯合物并还含有还原促进剂和/或络合物形成剂和染料的还原剂。 其中A41，A42和A43各自独立地表示羧基，膦酰基，磺基或羟基; L41和L42各自独立地表示含有脂族基团，芳族基团，杂环基团或其组合的二价偶联基团; R41表示取代基; a代表0,1,2,3或4.还原剂在还原性，还原性和还原性能方面优异，稳定性好，不会随时间分离析出物。 还公开了一种银图像还原方法，其中在上述还原剂的存在下，通过曝光和显影卤化银感光材料形成的银图像被还原。 还原剂和还原方法适用于高对比度感光材料。

公开(公告)号：US5352567A

公开(公告)日：1994-10-04

申请号：US948318

申请日：1992-09-22

申请人： Hisashi Okada ,  Tadashi Inaba ,  Morio Yagihara

发明人： Hisashi Okada ,  Tadashi Inaba ,  Morio Yagihara

IPC分类号： G03C7/42

CPC分类号： G03C7/42

摘要： A novel method for processing a silver halide color photographic material which comprises color developing an imagewise exposed silver halide color photographic material and then processing the material with a having a bleaching ability containing at least one bleaching agent a ferric complex of a compound represented by at least one of formula (I) and formula (II): ##STR1## wherein W.sup.1 represents an alkylene group containing 3 or less carbon atoms in total; L.sup.1, L.sup.2, L.sup.3 and L.sup.4 each represents an alkylene or arylene group; and M.sub.1 to M.sub.6 each represents a hydrogen atom or a cation; ##STR2## wherein W.sup.2 represents an alkylene group having 2 to 8 carbon atoms, an arylene group having 6 to 10 carbon atoms, cyclohexane group, ##STR3## (in which W.sup.21 and W.sup.22 each represents an alkylene group, and m represents an integer of 1 to 3, and A represents a hydrogen atom, hydrocarbon group, --L.sub.A --COOM, --L.sub.A --PO.sub.3 M.sub.2, --L.sub.A --OH or --L.sub.A --SO.sub.3 M (L.sub.A represents an alkylene group having 1 to 8 carbon atoms or an arylene group having 6 to 10 carbon atoms, and M represents a hydrogen atom or a cation such as an alkali metal or ammonium)), or a combination of theseof; L.sup.5, L.sup.6, L.sup.7 and L.sup.8 each represents an alkylene group; and M.sub.7, M.sub.8, M.sub.9, M.sub.10 and M.sub.11 each represents a hydrogen atom or a cation.

摘要翻译： 一种用于处理卤化银彩色照相材料的新颖方法，其包括彩色显影成像曝光的卤化银彩色照相材料，然后用含有至少一种漂白剂的漂白能力处理该材料，该化合物至少表示化合物 式（I）和式（II）之一：其中W1表示总共含有3个或更少碳原子的亚烷基; L1，L2，L3和L4各自表示亚烷基或亚芳基; M1〜M6各自表示氢原子或阳离子; 其中，W 2表示碳原子数2〜8的亚烷基，碳原子数6〜10的亚芳基，环己烷基，（其中W 21和W 22各自表示亚烷基，m表示 1〜3的整数，A表示氢原子，烃基，-LA-COOM，-LA-PO3M2，-LA-OH或-LA-SO3M（LA表示碳原子数1〜8的亚烷基或 具有6〜10个碳原子的亚芳基，M表示氢原子或阳离子如碱金属或铵））或它们的组合; L5，L6，L7和L8各自表示亚烷基; M7，M8，M9，M10和M11各自表示氢原子或阳离子。