公开(公告)号：US5108872A

公开(公告)日：1992-04-28

申请号：US614601

申请日：1990-11-15

申请人： Nobuaki Inoue ,  Morio Yagihara ,  Naomi Saeki

发明人： Nobuaki Inoue ,  Morio Yagihara ,  Naomi Saeki

IPC分类号： G03C1/005 ,  G03C1/035 ,  G03C1/06 ,  G03C5/16 ,  G03C5/29

CPC分类号： G03C5/164 ,  G03C1/005 ,  G03C1/035 ,  G03C5/29 ,  G03C2001/03517 ,  G03C2001/0357 ,  Y10S430/145

摘要： A silver halide photographic material comprising a support having thereon at least one light-sensitive layer comprising a silver halide emulsion sensitized by an infrared sensitization dye, wherein the silver halide in the silver halide emulsion contains at least 90 mol % of silver chloride and is constituted by monodisperse grains having a coefficient of variation of not more than 20%; and an image formation method using the above-described silver halide photographic photosensitive material, comprising the steps of imagewise exposing the photographic material and developing the said material in a developing solution containing at least 0.15 mol/l of sulfurous acid ions and a compound having a silver halide-adsorption accelerating group.

摘要翻译： 一种卤化银照相材料，其包括其上具有至少一个感光层的载体，所述感光层包含由红外线增感染料敏化的卤化银乳剂，其中卤化银乳剂中的卤化银含有至少90mol％的氯化银， 通过具有不大于20％的变异系数的单分散颗粒; 以及使用上述卤化银照相感光材料的图像形成方法，包括以下步骤：成像曝光所述照相材料并在含有至少0.15mol / l亚硫酸离子的显影溶液中显影所述材料，以及具有 卤化银吸附加速组。

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：US4737442A

公开(公告)日：1988-04-12

申请号：US853815

申请日：1986-04-18

申请人： Morio Yagihara ,  Tetunori Matusita ,  Nobuaki Inoue

发明人： Morio Yagihara ,  Tetunori Matusita ,  Nobuaki Inoue

IPC分类号： G03C7/26 ,  G03C1/06 ,  G03C1/43 ,  G03C5/305 ,  G03C1/10 ,  G03C1/33

CPC分类号： G03C1/061 ,  Y10S430/15 ,  Y10S430/158

摘要： A silver halide photographic material for use in the field of graphic arts and a process for forming a high-contrast negative image using the same, wherein the silver halide emulsion layer or another layer of the silver halide photographic material provided on the support contains at least one compound represented by the formula (I) and at least one blocked development restrainer compound represented by the formula (II): ##STR1##

摘要翻译： 用于图形领域的卤化银照相材料和使用其形成高对比度负像的方法，其中，所述卤化银乳剂层或设置在载体上的卤化银照相材料的另一层至少含有 一种由式（I）表示的化合物和至少一种由式（II）表示的封端显影抑制剂化合物：（I）CAD。 （二）

公开(公告)号：US4920029A

公开(公告)日：1990-04-24

申请号：US235805

申请日：1988-08-23

申请人： Nobuaki Inoue ,  Senzo Sasaoka ,  Yoshio Inagaki ,  Tetsuro Kojima ,  Morio Yagihara

发明人： Nobuaki Inoue ,  Senzo Sasaoka ,  Yoshio Inagaki ,  Tetsuro Kojima ,  Morio Yagihara

IPC分类号： G03C5/29 ,  G03C1/06

CPC分类号： G03C1/061 ,  Y10S430/15

摘要： A negative type silver halide photographic material and a process for forming a super high contrast negative image using said material are described. This photographic material comprises a support having provided thereon at least one silver halide emulsion layer which has a substantial influence upon image density and at least one light-insensitive hydrophilic colloid layer, wherein a hydrophilic colloid layer other than said silver halide emulsion layer contains a hydrazine derivative in a non-diffusing condition. With this photographic material, a super high contrast negative image can be obtained without decreasing sensitivity and gamma by the use of a developer containing not less than 0.15 mol/liter of sulfite ions and having a pH of from 10.5 to 12.3.

摘要翻译： 描述负型卤化银照相材料和使用所述材料形成超高对比度负像的方法。 该照相材料包括其上设置有至少一个卤化银乳剂层的载体，其对图像密度具有实质影响，并且至少一个不透光的亲水胶体层，其中除了所述卤化银乳剂层之外的亲水胶体层含有肼 衍生物在非扩散条件下。 利用该照相材料，可以通过使用含有不低于0.15mol / l亚硫酸根离子并且pH为10.5〜12.3的显影剂，而不降低灵敏度和γ而获得超高对比度负像。

公开(公告)号：US4914003A

公开(公告)日：1990-04-03

申请号：US291391

申请日：1988-12-27

申请人： Morio Yagihara ,  Nobuaki Inoue

发明人： Morio Yagihara ,  Nobuaki Inoue

IPC分类号： G03C1/06 ,  G03C5/30

CPC分类号： G03C1/061 ,  Y10S430/15

摘要： A novel silver halide photographic material is provided comprising at least one light-sensitive silver halide emulsion layer provided on a support and containing at least one hydrazine compound and at least one amine compound of the general formula (I) in said emulsion layer or at least one of other constituting layers, provided that said hydrazine compound and said amine compound can be present in the same or different layers: ##STR1## wherein R.sup.2 and R.sup.3, which can be the same or different, each represents a substituted or unsubstituted alkyl group or R.sup.2 and R.sup.3 may be linked to each other to form a ring; R.sup.4 represents a substituted or unsubstituted alkyl, aryl or heterocyclic group; A represents a divalent linkage group; X represents --CONR.sup.5 --, --OCONR.sup.5 --, --NR.sup.5 CONR.sup.5 --, --NR.sup.5 COO--, --COO--, --OCO--, --CO--, --NR.sup.5 CO--, --SO.sub.2 NR.sup.5 --, --NR.sup.5 SO.sub.2 --, --SO.sub.2 --, --S-- or --O-- group (in which R.sup.5 represents a hydrogen atom or a lower alkyl group having 1 to 5 carbon atoms); and n represents an integer of 0 or 1, with the proviso that the total number of carbon atoms contained in R.sup.2, R.sup.3, R.sup.4 and A is 20 or more. Furthermore, a novel method for forming a superhigh contrast negative image is provided which comprises imagewise exposing a silver halide photographic material comprising at least one silver halide emulsion layer provided on a support and containing at least one hydrazine compound and at least one amine compound of the general formula (I) in said emulsion layer of at least one of other constituting layers to light provided that said hydrazine compound and said amine compound can be present in the same or different layers, and then developing the silver halide photographic material thus exposed with a developing solution having a pH value of 10.5 to 12.0 and containing 0.15 mol/liter or more of sulfite ions.

摘要翻译： 提供了一种新颖的卤化银照相材料，其包括至少一种感光卤化银乳剂层，其设置在载体上并且在所述乳剂层中至少包含至少一种肼化合物和至少一种通式（I）的胺化合物 所述肼化合物和所述胺化合物可以以相同或不同的层存在：其中R 2和R 3可以相同或不同，各自表示取代或未取代的 烷基或R 2和R 3可以彼此连接形成环; R 4表示取代或未取代的烷基，芳基或杂环基; A表示二价连接基团; X代表-CON​​R5-，-OCONR5-，-NR5CONR5-，-NR5COO-，-COO-，-OCO-，-CO-，-NR5CO-，-SO2NR5-，-NR5SO2-，-SO2 - ， - S-或 -O-基（其中，R5表示氢原子或碳原子数1〜5的低级烷基）。 并且n表示0或1的整数，条件是R2，R3，R4和A中所含的碳原子总数为20以上。 此外，提供了一种用于形成超高对比度负像的新方法，其包括成像曝光卤化银照相材料，所述卤化银照相材料包含至少一个提供在载体上的卤化银乳剂层，并含有至少一种肼化合物和至少一种 所述乳液层中的至少一种其它构成层的通式（I）为光，条件是所述肼化合物和所述胺化合物可以以相同或不同的层存在，然后将由此暴露于其中的卤化银照相材料显影 显影液的pH值为10.5〜12.0，含有0.15mol / l以上的亚硫酸根离子。

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：US5187042A

公开(公告)日：1993-02-16

申请号：US515882

申请日：1990-04-27

申请人： Kazunobu Katoh ,  Hisashi Okamura ,  Hisashi Okada ,  Nobuaki Inoue ,  Toshiro Takahashi ,  Morio Yagihara ,  Tetsuo Yamaguchi

发明人： Kazunobu Katoh ,  Hisashi Okamura ,  Hisashi Okada ,  Nobuaki Inoue ,  Toshiro Takahashi ,  Morio Yagihara ,  Tetsuo Yamaguchi

IPC分类号： G03C1/06 ,  G03C1/09 ,  G03C7/305

CPC分类号： G03C7/30511 ,  G03C1/061 ,  G03C1/09 ,  Y10S430/158

摘要： A silver halide photographic material comprising a support having thereon at least one sensitive silver halide emulsion layer, wherein said emulsion layer comprises a monodisperse emulsion and said emulsion layer or other hydrophilic colloid layer contains at least one hydrazine derivative and at least one redox compound capable of releasing a development inhibitor when oxidized.

摘要翻译： 一种卤化银照相材料，包括其上具有至少一个敏感卤化银乳剂层的载体，其中所述乳剂层包含单分散乳液，所述乳剂层或其它亲水胶体层含有至少一种肼衍生物和至少一种能够 当氧化时释放显影抑制剂。

公开(公告)号：US4978603A

公开(公告)日：1990-12-18

申请号：US284080

申请日：1988-12-14

申请人： Nobuaki Inoue ,  Morio Yagihara ,  Yoshihiro Takagi

发明人： Nobuaki Inoue ,  Morio Yagihara ,  Yoshihiro Takagi

IPC分类号： G03C1/06 ,  G03C5/30

CPC分类号： G03C1/061 ,  G03C5/30 ,  G03C2001/03594 ,  G03C2001/094 ,  G03C2200/33 ,  G03C2200/40 ,  Y10S430/149 ,  Y10S430/15

摘要： An image-forming process which comprises after imagewise exposing a silver halide photographic material having at least one silver halide emulsion layer composed of silver halide grains containing at least 1.times.10.sup.-6 mol of a rhodium salt per mol of silver and having a mean grain size of not larger than 0.15 .mu.m with a developer meeting the following conditions (a) to (d);(a) the developer substantially contains dihydroxybenzene only as the developing agent,(b) the developer contains at least 0.18 mol/liter of a free sulfite,(c) pH thereof is at least 10.5, and(d) the developer contains at least 20 mg/liter of a compound represented by formula (I): ##STR1## wherein X.sub.1 represents a hydrogen atom or a nitro group and X.sub.2 and X.sub.3 each represents a hydrogen atom or an alkyl group having from 1 to 4 carbon atoms.

摘要翻译： 一种图像形成方法，其包括在将具有至少一个卤化银乳剂层的卤化银照相材料成像曝光之后，所述卤化银乳剂层由每摩尔银含有至少1×10-6摩尔铑盐的卤化银颗粒组成，平均粒度为 开发商满足以下条件（a）至（d）不大于0.15亩; （a）显影剂基本上仅含有二羟基苯作为显影剂，（b）显色剂含有至少0.18mol /升的游离亚硫酸盐，（c）其pH值至少为10.5，（d）显色剂至少含有 20mg /升由式（I）表示的化合物：其中X 1表示氢原子或硝基，X 2和X 3各自表示氢原子或具有1至4个碳原子的烷基 。

公开(公告)号：US4914002A

公开(公告)日：1990-04-03

申请号：US267469

申请日：1988-11-04

申请人： Nobuaki Inoue ,  Hisashi Okada ,  Shigeo Hirano ,  Kimitaka Kameoka ,  Tetsuo Yoshida ,  Morio Yagihara

发明人： Nobuaki Inoue ,  Hisashi Okada ,  Shigeo Hirano ,  Kimitaka Kameoka ,  Tetsuo Yoshida ,  Morio Yagihara

IPC分类号： G03C1/06 ,  G03C1/16

CPC分类号： G03C1/061 ,  G03C1/16

摘要： A silver halide negative photographic material comprising a support having thereon at least one silver halide emulsion layer, at least one hydrophilic colloidal layer thereof containing (1) a hydrazine derivative, (2) a compound substantially having no absorption maximum in the visible light region represented by formula (I): ##STR1## wherein Z.sup.11, Z.sup.12, R.sup.11, R.sup.12 X and n are as defined in the specification, and (3) at least one compound represented by formula (II) or (III): ##STR2## wherein R.sub.1, R.sub.2, R.sub.3 and Q are as defined in the specification; and ##STR3## wherein R.sub.21, R.sub.22, R.sub.23, and R.sub.24, are as defined in the specification. The photographic material can be processed with a stable developer to provide an ultra-high contrast image without reduction in sensitivity, gamma or maximum density or the appearance of black pepper. The photographic material is excellent in pressure properties and anti-blocking properties.

摘要翻译： 一种卤化银负型照相材料，其包含其上具有至少一个卤化银乳剂层的载体，至少一种亲水性胶体层，其含有（1）肼衍生物，（2）在可见光区域中基本上不具有最大吸收的化合物 通式（I）：其中Z11，Z12，R11，R12X和n如说明书中所定义，其中（I）至少一种由式（II）或（III）表示的化合物： （II）其中R1，R2，R3和Q如说明书中所定义; 和（III）其中R 21，R 22，R 23和R 24如说明书中所定义。 可以用稳定的显影剂处理照相材料以提供超高对比度图像，而不降低灵敏度，γ或最大密度或黑胡椒的外观。 照相材料的压力特性和防粘连性优异。

公开(公告)号：US4820625A

公开(公告)日：1989-04-11

申请号：US98660

申请日：1987-09-21

申请人： Naomi Saeki ,  Nobuaki Inoue ,  Toshinao Ukai ,  Yuji Mihara

发明人： Naomi Saeki ,  Nobuaki Inoue ,  Toshinao Ukai ,  Yuji Mihara

IPC分类号： G03C1/06 ,  G03C1/485

CPC分类号： G03C1/48523 ,  Y10S430/141

摘要： A direct positive silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer comprising a prefogged direct-positive silver halide emulsion, preferably one having a chloride content of at least 70 mol%, said emulsion layer or a hydrophilic colloid layer adjacent to said emulsion layer containing at least one compound represented by the following general formula (I) and, optionally, a specified organic desensitizer, ##STR1## wherein Z.sub.1 represents a group of nonmetallic atoms necessary to complete a nitrogen-containing hetero ring; T represents an alkyl group, a cycloalkyl group, an alkenyl group, a halogen atom, a cyano group, a trifluoromethyl group, an alkoxy group, an aryloxy group, a hydroxy group, an alkoxycarbonyl group, a carboxyl group, a carbamoyl group, a sulfamoyl group, an aryl group, an acylamino group, a sulfonamido group, a sulfo group, or a benzo-condensed ring, each of which is or is not substituted; q represents 1, 2, or 3; and r represents 0, 1 or 2.

摘要翻译： 一种直接正性卤化银照相材料，其包括其上具有至少一个卤化银乳剂层的载体，所述卤化银乳剂层包含预成型的直接正性卤化银乳剂，优选氯化物含量为至少70mol％的卤化银乳剂层，所述乳剂层或亲水胶体层 邻近所述乳剂层，其含有至少一种由以下通式（I）表示的化合物和任选的特定的有机脱敏剂，其中Z1表示完成含氮杂原子所必需的一组非金属原子 环; T表示烷基，环烷基，烯基，卤素原子，氰基，三氟甲基，烷氧基，芳氧基，羟基，烷氧基羰基，羧基，氨基甲酰基， 各自为或不被取代的氨磺酰基，芳基，酰氨基，亚磺酰氨基，磺基或苯并稠合环; q表示1,2或3; r表示0,1或2。