公开(公告)号：US5238807A

公开(公告)日：1993-08-24

申请号：US702576

申请日：1991-05-20

申请人： Hirotomo Sasaki ,  Tetsuro Kojima ,  Hiroyuki Mifune ,  Mikio Ihama

发明人： Hirotomo Sasaki ,  Tetsuro Kojima ,  Hiroyuki Mifune ,  Mikio Ihama

IPC分类号： G03C1/08 ,  C07C391/00 ,  C07D213/40 ,  C07D233/28 ,  C07D295/215 ,  G03C1/005 ,  G03C1/09

CPC分类号： C07D295/215 ,  C07C391/00 ,  C07D213/40 ,  C07D233/28 ,  G03C1/0051 ,  G03C1/09

摘要： A silver halide photographic material low in fogging generation and high in sensitivity comprising a silver halide emulsion selenium sensitized with at least one compound selected from the group consisting of compounds represented by general formulae (I) and (III): ##STR1## wherein each of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represents an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an aryl group, a heterocyclic group, an acyl group, a carboxyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group or a sulfamoyl group, provided that a tetramethylselenourea is excluded; ##STR2## wherein each of R.sub.8, R.sub.9, R.sub.10 and R.sub.11 represents a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aralkyl group, an aryl group, a heterocyclic group, an acyl group, a carboxyl group, a formyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group or a sulfamoyl group, provided that at least one pair of R.sub.8 and R.sub.9, R.sub.9 and R.sub.10, R.sub.10 and R.sub.11, and R.sub.11 and R.sub.8 combine to form a ring.

公开(公告)号：US4845023A

公开(公告)日：1989-07-04

申请号：US73127

申请日：1987-08-19

申请人： Hiroyuki Mifune

发明人： Hiroyuki Mifune

IPC分类号： G03C1/025 ,  G03C1/09

CPC分类号： G03C1/025 ,  G03C1/08 ,  G03C1/09 ,  G03C2200/04 ,  G03C5/267 ,  Y10S430/136

摘要： A silver halide photographic light-sensitive material comprising at least one layer of a silver halide emulsion on a support is improved in shelf stability by treating a chemically sensitized silver halide emulsion with an ion-exchange resin or a porous absorbent to remove residue of the chemical sensitizer during and/or after chemical sensitization.

摘要翻译： 通过用离子交换树脂或多孔吸收剂处理化学增感的卤化银乳剂以除去化学品的残留物，在载体上包含至少一层卤化银乳剂的卤化银摄影感光材料得到改进， 化学敏化期间和/或之后的敏化剂。

公开(公告)号：US4783398A

公开(公告)日：1988-11-08

申请号：US64974

申请日：1987-06-22

申请人： Shunji Takada ,  Hiroyuki Mifune ,  Tadashi Ikeda

发明人： Shunji Takada ,  Hiroyuki Mifune ,  Tadashi Ikeda

IPC分类号： G03C1/035 ,  G03C1/005 ,  G03C1/015 ,  G03C1/07 ,  G03C1/16 ,  G03C1/18 ,  G03C1/20 ,  G03C1/22 ,  G03C1/26 ,  G03C1/775 ,  G03C1/02 ,  G03C1/08 ,  G03C7/26 ,  G03C7/32

CPC分类号： G03C1/0053 ,  G03C1/07 ,  G03C1/16 ,  G03C1/18 ,  G03C1/20 ,  G03C1/22 ,  G03C1/26 ,  G03C1/775 ,  G03C2001/0055 ,  G03C2001/03511 ,  G03C2001/03523 ,  G03C2001/03535 ,  G03C2200/52

摘要： A photographic silver halide emulsion is disclosed, comprising high silver chloride content tabular grains wherein at least 50 mol % of the silver halide is silver chloride and at least 50%, based on the total projected area of emulsion grains, are tabular grains having a ratio of diameter corresponding to a circle of the projected area to thickness of from 2/1 to 10/1.

摘要翻译： 公开了一种照相卤化银乳剂，其包含高氯化银含量的片状颗粒，其中至少50mol％的卤化银是氯化银和至少50％，基于乳剂颗粒的总投影面积，是具有比例的片状颗粒 的直径对应于投影面积的圆的厚度为2/1至10/1。

公开(公告)号：US4521508A

公开(公告)日：1985-06-04

申请号：US549515

申请日：1983-11-07

申请人： Tadao Sugimoto ,  Hideo Ikeda ,  Hiroyuki Mifune ,  Koki Nakamura

发明人： Tadao Sugimoto ,  Hideo Ikeda ,  Hiroyuki Mifune ,  Koki Nakamura

IPC分类号： G03C1/06 ,  G03C1/005 ,  G03C1/09 ,  G03C1/28

CPC分类号： G03C1/09 ,  Y10S430/141 ,  Y10S430/15

摘要： A silver halide photographic light-sensitive material is disclosed. The material is comprised of a support base having thereon a silver halide emulsion layer and a protective layer. The material contains a photosensitive silver halide emulsion and inside fogged silver halide emulsion as well as a disulfide compound. The disulfide compound is a compound represented by the general formula (I):A--S--S--B (I)wherein A and B independently represent an alkyl group, an aralkyl group, an aryl group, a heterocyclic group or ##STR1## wherein R represents an alkyl group, an aryl group, an aralkyl group, a heterocyclic group or an amino group. The material can form images having high contrast and a high maximum density. Further, the material has high sensitivity to light and can be developed at a low temperature in a reduced amount of time.

摘要翻译： 公开了一种卤化银照相感光材料。 该材料由其上具有卤化银乳剂层和保护层的支撑基底组成。 该材料含有光敏卤化银乳剂和雾化的卤化银乳剂以及二硫化物。 二硫化物是由通式（I）表示的化合物：ASSB（I）其中A和B独立地表示烷基，芳烷基，芳基，杂环基或其中R表示烷基 芳基，芳烷基，杂环基或氨基。 该材料可以形成具有高对比度和高最大密度的图像。 此外，该材料对光具有高灵敏度，并且可以在较短的时间内在低温下显影。

公开(公告)号：US4520099A

公开(公告)日：1985-05-28

申请号：US528928

申请日：1983-09-02

申请人： Yoshitaka Akimura ,  Hiroyuki Mifune ,  Koki Nakamura

发明人： Yoshitaka Akimura ,  Hiroyuki Mifune ,  Koki Nakamura

IPC分类号： G03C1/34

CPC分类号： G03C1/34

摘要： A silver halide photographic light-sensitive material is disclosed. The material is comprised of a support having positioned thereon a silver halide emulsion layer and a compound represented by the general formula (I): ##STR1## wherein R is a halogen atom or an alkyl group and n is 1, 2 or 3 and when n is 2 or 3 each R may be the same or different. Utilization of the compound represented by the general formula (I) aids in the elimination of the generation of fog without creating undesirable influences on the photographic properties of the material.

摘要翻译： 公开了一种卤化银照相感光材料。 该材料由其上放置有卤化银乳剂层和由通式（I）表示的化合物的载体组成：其中R为卤素原子或烷基，n为1,2或 3，当n为2或3时，R可以相同或不同。 由通式（I）表示的化合物的利用有助于消除雾的产生，而不会对材料的照相性质产生不期望的影响。

公开(公告)号：US4452882A

公开(公告)日：1984-06-05

申请号：US489907

申请日：1983-04-29

申请人： Yoshitaka Akimura ,  Eiichi Okutsu ,  Shigenori Moriuchi ,  Naomi Saeki ,  Taiji Hashimura ,  Hiroyuki Mifune

发明人： Yoshitaka Akimura ,  Eiichi Okutsu ,  Shigenori Moriuchi ,  Naomi Saeki ,  Taiji Hashimura ,  Hiroyuki Mifune

IPC分类号： G03C5/29 ,  G03C1/043 ,  G03C1/06 ,  G03C1/36 ,  G03C5/30

CPC分类号： G03C1/043 ,  Y10S430/15

摘要： A silver halide photographic light-sensitive material and a developing process used in connection with that material are disclosed. The material is comprised of a support having thereon a silver halide emulsion layer containing a silver halide emulsion in which at least 80 mole % of the whole silver halide is composed of silver chloride, the mean grain size thereof is less than 0.4 .mu.m, and which contains more than 1.times.10.sup.-6 mole of a water-soluble rhodium salt per mole of silver at an optional period before finishing the first ripening in the production step for the silver halide emulsion. The material also contains 1.times.10.sup.-5 to 1.times.10.sup.-2 mole of polyalkylene oxide having a molecular weight of at least 600 or a derivative thereof per mole of silver. The process involves imagewise exposing the material and processing it in a developer containing 0.05 to 0.5 mole/liter of a dihydroxybenzene series developing agent, 0 to 0.05 g/liter of an auxiliary developing agent, at least 0.25 mole/liter of a free sulfite ion, at least 20 mg/liter of 5- or 6-nitroindazole, and an alkali of an amount sufficient for keeping the pH of the developer higher than 10.5. The material and processing are capable of providing good letter image quality in a short developing time.

摘要翻译： 公开了卤化银照相感光材料和与该材料结合使用的显影方法。 该材料由其上含有卤化银乳剂层的载体组成，其中至少80％（摩尔）的卤化银全部由氯化银组成，其平均粒径小于0.4μm， 其在完成在卤化银乳剂的制备步骤中的第一次熟化之前的任选时间内每摩尔银含有大于1×10 -6摩尔的水溶性铑盐。 该材料还含有1×10-5至1×10-2摩尔的分子量至少为600的聚环氧烷或其每摩尔银的衍生物。 该方法包括成像曝光材料并在包含0.05至0.5摩尔/升二羟基苯系列显影剂，0至0.05克/升辅助显影剂，至少0.25摩尔/升游离亚硫酸根离子 ，至少20mg / l的5-或6-硝基吲唑，以及足以使显影剂的pH保持在10.5以上的量的碱。 材料和加工能够在短时间内提供良好的信函图像质量。

公开(公告)号：US4323643A

公开(公告)日：1982-04-06

申请号：US204666

申请日：1980-11-06

申请人： Hiroyuki Mifune ,  Shigeo Hirano ,  Yoshitaka Akimura

发明人： Hiroyuki Mifune ,  Shigeo Hirano ,  Yoshitaka Akimura

IPC分类号： C07C67/00 ,  C07C239/00 ,  C07C275/40 ,  G03C1/06 ,  G03C5/24 ,  G03C1/02

CPC分类号： G03C1/061 ,  Y10S430/15

摘要： A silver halide photographic light-sensitive material is described, comprising at least one silver halide photographic emulsion layer, wherein at least one layer contains a compound represented by formula (I) ##STR1## wherein R.sup.1 and R.sup.2 each represents hydrogen, an aliphatic group, an aromatic group, or a heterocyclic group;R.sup.3 represents hydrogen or an aliphatic group, andX represents a divalent aromatic group.The light-sensitive material provides high-contrast negative images and good dot image quality.

摘要翻译： 描述了卤化银照相感光材料，其包含至少一种卤化银照相乳剂层，其中至少一层含有由式（I）表示的化合物（I），其中R 1和R 2各自表示氢， 脂族基，芳基或杂环基; R3表示氢或脂族基，X表示二价芳基。 感光材料提供高对比度负图像和良好的点图像质量。

公开(公告)号：US4272614A

公开(公告)日：1981-06-09

申请号：US105689

申请日：1979-12-20

申请人： Hiroyuki Mifune ,  Shigeo Hirano

发明人： Hiroyuki Mifune ,  Shigeo Hirano

IPC分类号： C07D233/88 ,  C07D277/12 ,  C07D277/18 ,  C07D277/54 ,  C07D277/82 ,  G03C1/043 ,  G03C1/06 ,  G03C1/09

CPC分类号： G03C1/043 ,  C07D277/54 ,  C07D277/82 ,  G03C1/061 ,  G03C1/09 ,  Y10S430/15

摘要： A silver halide photographic light-sensitive material having at least one silver halide photographic emulsion layer comprising substantially surface latent image type silver halide grains, and containing in said photographic emulsion layer or at least one of other hydrophilic colloid layers a compound represented by the following general formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom, an aliphatic group which may be substituted or an aromatic group which may be substituted; Ar represents a divalent aromatic group which may be substituted; Y represents a divalent linking group; n represents 0 or 1; R.sup.2 represents a hydrogen atom, an aliphatic group which may be substituted or an aromatic group which may be substituted; and Z represents a nonmetallic atomic group necessary to form a 5-membered or 6-membered heterocyclic ring together with the ##STR2## linkage.

摘要翻译： 一种卤化银摄影感光材料，其具有至少一个卤化银照相乳剂层，其包含基本上表面的潜像型卤化银颗粒，并且在所述照相乳剂层或至少一种其它亲水胶体层中含有下列通式 式（I）：其中R 1表示氢原子，可被取代的脂肪族基团或可被取代的芳香族基团的化合物（I） Ar表示可以被取代的二价芳基; Y表示二价连接基团; n表示0或1; R2表示氢原子，可以被取代的脂肪族基团或可以被取代的芳香族基团; Z表示与键形成5元或6元杂环所必需的非金属原子团。

公开(公告)号：US4241164A

公开(公告)日：1980-12-23

申请号：US949480

申请日：1978-10-10

申请人： Hiroyuki Mifune ,  Shunji Takada ,  Yoshitaka Akimura ,  Nobuo Sakai

发明人： Hiroyuki Mifune ,  Shunji Takada ,  Yoshitaka Akimura ,  Nobuo Sakai

IPC分类号： C07C67/00 ,  C07C241/00 ,  C07C243/28 ,  C07C243/38 ,  C07C253/00 ,  C07C255/57 ,  G03C1/06 ,  G03C1/08 ,  G03C1/10 ,  G03C1/28 ,  G03C5/30

CPC分类号： C07C243/00 ,  C07C243/38 ,  G03C1/061 ,  G03C1/28 ,  Y10S430/15

摘要： A silver halide photographic material providing very high contrast and negative image photographic characteristics comprising a support having thereon at least one silver halide photographic emulsion layer containing substantially surface latent image type mono-dispersed silver halide grains and providing a negative image, at least one hydrophilic colloid layer of the photographic material containing a compound represented by the general formula (I)R.sup.1 NHNHCOR.sup.2 (I)wherein R.sup.1 represents an aryl group and R.sup.2 represents a hydrogen atom, a phenyl group, or an unsubstituted alkyl group having 1 to 3 carbon atoms; and a compound represented by the general formula (II) or (III) ##STR1## wherein R.sup.3, R.sup.4, R.sup.5 and R.sup.6, which may be the same or different, each represents a hydrogen atom, an alkyl group which may be substituted, an aryl group which may be substituted, an amino group which may be substituted, a hydroxyl group, an alkoxy group, an alkylthio group, a carbamoyl group which may be substituted, a halogen atom, a cyano group, a carboxyl group, an alkoxycarbonyl group, or a heterocyclic group; wherein R.sup.3 and R.sup.4 or R.sup.4 and R.sup.5 may combine and form a 5-membered or 6-membered ring and at least one of R.sup.3 and R.sup.5 represents a hydroxyl group.

摘要翻译： 提供非常高的对比度和负影像照相特征的卤化银照相材料，包括其上具有至少一个含有基本上表面潜影型单分散卤化银颗粒并提供负像的卤化银照相乳剂层的载体，至少一种亲水胶体 含有通式（I）R1NHNHCOR2（I）表示的化合物的照相材料层，其中R1表示芳基，R2表示氢原子，苯基或未取代的碳原子数1〜3的烷基; 和由通式（II）或（III）表示的化合物，其中可以相同或不同的R 3，R 4，R 5和R 6各自表示氢原子， 可以被取代的烷基，可以被取代的芳基，可以被取代的氨基，羟基，烷氧基，烷硫基，可被取代的氨基甲酰基，卤素原子，氰基 基团，羧基，烷氧基羰基或杂环基; 其中R3和R4或R4和R5可以组合并形成5元或6元环，并且R 3和R 5中的至少一个表示羟基。