公开(公告)号：US4851321A

公开(公告)日：1989-07-25

申请号：US117724

申请日：1987-11-06

Applicant: Yoshihiro Takagi ,  Hisashi Okada ,  Morio Yagihara ,  Kazunobu Katoh

Inventor： Yoshihiro Takagi ,  Hisashi Okada ,  Morio Yagihara ,  Kazunobu Katoh

IPC: G03C1/06

CPC classification number: G03C1/061 ,  G03C1/36 ,  G03C2001/094 ,  G03C5/16 ,  Y10S430/15

Abstract: 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.

Abstract translation: 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：US4734354A

公开(公告)日：1988-03-29

申请号：US885398

申请日：1986-07-18

Applicant: Yoshihiro Takagi

Inventor： Yoshihiro Takagi

IPC: G03C7/00 ,  G03C8/28 ,  G03C8/36 ,  G03C8/48 ,  G03C5/54

CPC classification number: G03C8/365 ,  G03C8/28 ,  Y10S430/134

Abstract: An image-receiving material for a silver salt diffusion transfer process is described, comprising a support having provided thereon an image-receiving layer containing physical development nuclei, wherein the image-receiving layer contains gelatin, a water-soluble fluorescent brightening agent, and a water-soluble vinyl polymer, wherein the weight ratio of the water-soluble fluorescent brightening agent to the gelatin ranges from about 0.02/1 to about 0.5/1 and the weight ratio of the water-soluble vinyl polymer to the water-soluble fluorescent brightening agent ranges from about 0.1/1 to 5/1.

Abstract translation: 描述了一种用于银盐扩散转移方法的图像接收材料，其包括在其上设置有包含物理显影核的图像接收层的载体，其中图像接收层含有明胶，水溶性荧光增白剂和 水溶性乙烯基聚合物，其中水溶性荧光增白剂与明胶的重量比为约0.02 / 1至约0.5 / 1，水溶性乙烯基聚合物与水溶性荧光增白剂的重量比为 试剂的范围为约0.1 / 1至5/1。

公开(公告)号：US4481285A

公开(公告)日：1984-11-06

申请号：US484811

申请日：1983-04-14

Applicant: Yoshihiro Takagi ,  Shigeo Hirano ,  Tadao Sugimoto

Inventor： Yoshihiro Takagi ,  Shigeo Hirano ,  Tadao Sugimoto

IPC: G03C5/50 ,  G03C1/485 ,  G03C5/24

CPC classification number: G03C1/48561 ,  Y10S430/141

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US4447522A

公开(公告)日：1984-05-08

申请号：US486174

申请日：1983-04-18

Applicant: Shigeo Hirano ,  Yoshihiro Takagi

Inventor： Shigeo Hirano ,  Yoshihiro Takagi

IPC: C07C335/32 ,  C07D277/36 ,  C07D277/72 ,  C07D285/12 ,  C07D285/125 ,  C07D295/21 ,  G03C1/06 ,  G03C1/09 ,  G03C1/43 ,  G03C5/24 ,  G03C1/02

CPC classification number: C07D285/125 ,  C07C335/32 ,  C07D277/36 ,  C07D277/72 ,  C07D295/21 ,  G03C1/061 ,  G03C1/09 ,  G03C1/43 ,  Y10S430/15

Abstract: A method of forming a photographic image which comprises development processing with an alkaline activator solution a silver halide photographic light-sensitive material comprising a support having thereon at least one surface latent image type silver halide emulsion layer, and containing in at least one layer selected from the silver halide emulsion layer and another hydrophilic colloid layer(1) a developing agents;(2) an acylhydrazine compound represented by formula (I):R.sup.1 NHNHCOR.sup.2 (I)wherein R.sup.1 represents an unsubstituted or substituted aryl group or alkyl group; and R.sup.2 represents a hydrogen atom, or an unsubstituted or substituted aryl group or alkyl group; and(3) at least one compound represented by formula (II): ##STR1## wherein each of W.sup.1 and W.sup.2 can represent a hydrogen atom or an aliphatic group or W.sup.1 and W.sup.2 are bonded each other to form a ring; W.sup.3 represents a divalent aliphatic group; Q.sup.1 represents a simple bond or a divalent heterocyclic group containing a nitrogen atom, an oxygen atom, or a sulfur atom; and M represents a hydrogen atom, an alkali metal atom, an alkaline earth metal atom, a quarternary ammonium salt, a quarternary phosphonium salt, or an amidino group, or an inorganic acid salt or an organic acid salt thereof.According to the activator type developing method, a dot image having good dot quality and screen range can be obtained.

Abstract translation: 一种形成摄影图像的方法，其包括用碱性活化剂溶液显影处理的卤化银照相感光材料，其包含其上具有至少一个表面潜影型卤化银乳剂层的载体，并且含有至少一层选自 卤化银乳剂层和另一亲水胶体层（1）显影剂; （2）由式（I）表示的酰肼化合物：R1NHNHCOR2（I）其中R1表示未取代或取代的芳基或烷基; R2表示氢原子，或未取代或取代的芳基或烷基; 和（3）由式（II）表示的至少一种化合物：其中W1和W2各自可以表示氢原子或脂族基团，或者W1和W2彼此键合形成环; W3表示二价脂族基团; Q1表示简单键或含有氮原子，氧原子或硫原子的二价杂环基; M表示氢原子，碱金属原子，碱土金属原子，季铵盐，季铵盐或脒基，或无机酸盐或其有机酸盐。 根据活化剂型显影方法，可以获得具有良好的点质量和屏幕范围的点图像。

公开(公告)号：US4429036A

公开(公告)日：1984-01-31

申请号：US480650

申请日：1983-03-31

Applicant: Shigeo Hirano ,  Yoshihiro Takagi

Inventor： Shigeo Hirano ,  Yoshihiro Takagi

IPC: C07C335/32 ,  C07D277/36 ,  C07D277/72 ,  C07D285/12 ,  C07D285/125 ,  C07D295/21 ,  G03C1/06 ,  G03C1/09 ,  G03C1/43 ,  G03C5/24 ,  G03F7/06

CPC classification number: C07D285/125 ,  C07C335/32 ,  C07D277/36 ,  C07D277/72 ,  C07D295/21 ,  G03C1/061 ,  G03C1/09 ,  G03C1/43 ,  Y10S430/15

Abstract: A method of forming a photographic image which comprises development processing with an alkaline aqueous activator solution a silver halide photographic light-sensitive material comprising a support having thereon at least one surface latent image type silver halide emulsion layer, and containing in at least one layer selected from a silver halide emulsion layer and another hydrophilic colloid-layer (1) a hydroquinone series developing agent and (2) an acylhydrazine compound represented by formula (I):R.sup.1 NHNHCOR.sup.2 (I)wherein R.sup.1 represents an unsubstituted or substituted aryl group or alkyl group; and R.sup.2 represents a hydrogen atom, or an unsubstituted or substituted aryl group or alkyl group,wherein the aqueous activator solution or a prebath thereof contains at least one compound represented by formula (II): ##STR1## wherein each of W.sup.1, W.sup.2, W.sup.3, and W.sup.11 can represent a hydrogen atom, an unsubstituted or substituted alkyl group, alkenyl group, or alkynyl group, an acyl group, or a sulfonyl group, and W.sup.1 and W.sup.2, or W.sup.3 and W.sup.11, can be bonded to each other to form a ring; Q.sup.1 represents --CH.sub.2 CH.sub.2 -- or --CH.sub.2 CH.sub.2 CH.sub.2 --; and n represents an integer of 1 to 4.According to this activator type developing method, an image having good quality can be constantly obtained irrespective of the stirring conditions of the processing solution.

Abstract translation: 一种形成摄影图像的方法，其包括用碱性水活化剂溶液进行显影处理，卤化银照相感光材料，其包含其上具有至少一个表面潜像型卤化银乳剂层的载体，并且在至少一层中选择 由卤化银乳剂层和另一亲水胶体层（1），氢醌系列显影剂和（2）由式（I）表示的酰肼化合物：R1NHNHCOR2（I）其中R1表示未取代或取代的芳基或烷基 ; 并且R 2表示氢原子或未取代或取代的芳基或烷基，其中活化剂水溶液或其前体含有至少一种由式（II）表示的化合物：其中W1， W2，W3和W11可以表示氢原子，未取代或取代的烷基，烯基或炔基，酰基或磺酰基，W1和W2或W3和W11可以相互键合 另外形成戒指; Q1表示-CH2CH2-或-CH2CH2CH2-; 并且n表示1〜4的整数。根据该活化剂型显影方法，无论处理溶液的搅拌条件如何，都可以恒定地获得质量好的图像。