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1. 发明授权

US4497895A Method for preparing silver halide photographic emulsion 失效
标题翻译：制备卤化银照相乳剂的方法
公开(公告)号：US4497895A
公开(公告)日：1985-02-05
申请号：US403479
申请日：1982-07-30
申请人： Syoji Matsuzaka , Takeo Koitabashi , Yoshihiro Haga , Akio Suzuki , Hiroaki Shiozawa
发明人： Syoji Matsuzaka , Takeo Koitabashi , Yoshihiro Haga , Akio Suzuki , Hiroaki Shiozawa
IPC分类号： G03C1/005 , G03C1/015 , G03C1/02
CPC分类号： G03C1/015 , G03C2001/0357 , G03C2001/03594
摘要： There is disclosed a method for preparing a silver halide photographic emulsion by use of an ammoniacal silver nitrate solution in a double-jet manner, characterized in that the method comprises the step of maintaining the ratio between the maximum and minimum solubility of the silver halide in a silver halide photographic emulsion at 3 or less after 1/10 of the total amount of the solution containing silver halide has been used.The method according to the present invention provides a monodispersed silver halide photographic emulsion which has a high sensitivity, i.e., which comprises silver halide having a relatively large crystal size.
摘要翻译：公开了以双喷射方式使用硝酸银硝酸盐溶液制备卤化银照相乳剂的方法，其特征在于该方法包括将卤化银的最大和最小溶解度之间的比例保持在已经使用了含有卤化银溶液总量的1/10之后的3以下的卤化银照相乳剂。根据本发明的方法提供了具有高灵敏度的单分散卤化银照相乳剂，即包含具有较大晶体尺寸的卤化银。

2. 发明授权

US4444877A Light-sensitive silver halide emulsion 失效
标题翻译：感光卤化银乳剂
公开(公告)号：US4444877A
公开(公告)日：1984-04-24
申请号：US347258
申请日：1982-02-09
申请人： Takeo Koitabashi , Yoshihiro Haga , Syoji Matsuzaka
发明人： Takeo Koitabashi , Yoshihiro Haga , Syoji Matsuzaka
IPC分类号： G03C1/005 , G03C1/035 , G03C1/02
CPC分类号： G03C1/035 , G03C2001/03535 , G03C2001/0357
摘要： A light-sensitive silver halide emulsion is disclosed, which comprises cores composed of silver halide grains and shells covering the cores. The cores consist essentially of silver halide containing silver iodide, and the shells consist essentially of silver bromide, silver chloride or silver chlorobromide excluding silver iodide. The shells have a thickness of from 0.01 to 0.1.mu.. This light-sensitive silver halide emulsion has high sensitivity and superior covering power.
摘要翻译：公开了一种感光卤化银乳剂，其包含由卤化银颗粒和覆盖芯的壳形成的芯。核心基本上由含有碘化银的卤化银组成，壳体基本上由溴化银，氯化银或不含碘化银的氯溴化银组成。壳的厚度为0.01〜0.1μm。这种感光卤化银乳剂具有高灵敏度和优异的覆盖力。

3. 发明授权

US4680252A Silver halide light-sensitive photographic material for radiographic use 失效
标题翻译：用于放射照相使用的卤化银感光感光材料
公开(公告)号：US4680252A
公开(公告)日：1987-07-14
申请号：US757518
申请日：1985-07-19
申请人： Akio Suzuki , Takeo Koitabashi , Masatoshi Iwata , Hisashi Yamaguchi , Syoji Matsuzaka
发明人： Akio Suzuki , Takeo Koitabashi , Masatoshi Iwata , Hisashi Yamaguchi , Syoji Matsuzaka
IPC分类号： G03C5/17 , G03C1/00 , G03C5/16 , G03C1/02 , G03C1/06 , G03C1/76
CPC分类号： G03C5/16 , Y10S430/167 , Y10S430/168
摘要： A silver halide light-sensitive photographic material for radiographic use comprising a transparent support and a silver halide emulsion layer on both sides thereof such that the blue light transmission density difference between the support and the silver halide layer is .gtoreq.0.35 and .ltoreq.0.60.
摘要翻译：一种用于放射线照相用途的卤化银感光照相材料，包括两侧的透明载体和卤化银乳剂层，使得载体和卤化银层之间的蓝光透射密度差为≥0.35， 0.60。

4. 发明授权

US4514491A Photosensitive silver halide emulsion 失效
标题翻译：感光卤化银乳剂
公开(公告)号：US4514491A
公开(公告)日：1985-04-30
申请号：US374481
申请日：1982-05-03
申请人： Takeo Koitabashi , Syoji Matsuzaka , Yuji Hotta , Masatoshi Iwata
发明人： Takeo Koitabashi , Syoji Matsuzaka , Yuji Hotta , Masatoshi Iwata
IPC分类号： G03C1/005 , G03C1/035 , G03C1/02
CPC分类号： G03C1/035 , G03C2001/0357
摘要： A photosensitive silver halide emulsion comprising photosensitive silver halide grains which essentially consists of monodisperse globular-shaped grains. The grains may be prepared by adding a silver halide solvent to a silver halide emulsion containing monodisperse silver halide grains of regular crystal habit at a time between the complete formation of the monodisperse silver halide grains of regular crystal habit and before commencement of chemical sensitization.
摘要翻译：包含感光卤化银颗粒的感光卤化银乳剂，其基本上由单分散的球形颗粒组成。在完全形成规则晶体习惯的单分散卤化银颗粒之前和化学敏化开始之前，可以通过在含有规则晶体习惯的单分散卤化银晶粒的卤化银乳剂中加入卤化银溶剂来制备晶粒。

5. 发明授权

US4049456A Light-sensitive silver halide color photographic material 失效
标题翻译：感光卤化银彩色照相材料
公开(公告)号：US4049456A
公开(公告)日：1977-09-20
申请号：US674599
申请日：1976-04-07
申请人： Takeo Koitabashi , Hideo Akamatsu
发明人： Takeo Koitabashi , Hideo Akamatsu
IPC分类号： G03C7/26 , G03C1/28 , G03C1/14
CPC分类号： G03C1/28
摘要： A light-sensitive silver halide photographic material is disclosed which contains a support and a red-sensitive layer. The red-sensitive layer contains at least one sensitizing dye selected from a particular group of sensitizing dyes and at least one sensitizing dye selected from a second group of sensitizing dyes and at least one of a particular group of compounds.
摘要翻译：公开了含有载体和红色敏感层的感光卤化银照相材料。红色敏感层含有至少一种敏化染料，其选自特定的一组敏化染料和至少一种选自第二组致敏染料和至少一种特定化合物组的感光染料。

6. 发明授权

US4401754A Silver halide photographic emulsion 失效
标题翻译：卤化银照相乳剂
公开(公告)号：US4401754A
公开(公告)日：1983-08-30
申请号：US316566
申请日：1981-10-30
申请人： Akio Suzuki , Hiroaki Shiozawa , Takeo Koitabashi , Hideki Takiguchi
发明人： Akio Suzuki , Hiroaki Shiozawa , Takeo Koitabashi , Hideki Takiguchi
IPC分类号： G03C1/005 , G03C1/10 , G03C1/34 , G03C1/28
CPC分类号： G03C1/10 , G03C1/34 , Y10S430/141
摘要： A silver halide photographic emulsion characterized in that it comprises silver halide grains which are reduction-sensitized during the process of growing said grains and containing a compound of the formula ##STR1## wherein R.sub.1 and R.sub.2 are selected from the group consisting of a hydrogen atom, an alkyl group, an alkenyl group, an aryl group, an acyl group and a cycloalkyl group and R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are selected from the group consisting of a hydrogen atom, a halogen atom, a hydroxy group, an alkyl group, an alkenyl group, a cycloalkyl group, an aryl group, an alkoxy group, an acyl group, a carboxyl group, an aldehyde group, an amino group, a sulfo group, an alkylthio group, an acylamino group, an aryloxy group, an arylthio group, an alkylamino group, an alkoxycabonyl group and a sulfonamide group. The emulsion exhibits both high sensitivity and improved stability as compared with prior art compositions.
摘要翻译：一种卤化银照相乳剂，其特征在于其包含在生长所述颗粒的过程中还原致敏的卤化银颗粒，并含有下式的化合物其中R 1和R 2选自的氢原子，烷基，烯基，芳基，酰基和环烷基，R 3，R 4，R 5和R 6选自氢原子，卤素原子，羟基烷基，烯基，环烷基，芳基，烷氧基，酰基，羧基，醛基，氨基，磺基，烷硫基，酰氨基，芳氧基，芳硫基，烷基氨基，烷氧基羰基和磺酰胺基。与现有技术的组合物相比，乳液显示出高灵敏度和改善的稳定性。

7. 发明授权

US4350758A Photographic emulsion containing copper halide host crystals 失效
标题翻译：含有卤化铜主体晶体的摄影乳液
公开(公告)号：US4350758A
公开(公告)日：1982-09-21
申请号：US203513
申请日：1980-11-03
申请人： Takeo Koitabashi , Syozi Matsuzaka , Toshifumi Iijima , Tetsuya Harada
发明人： Takeo Koitabashi , Syozi Matsuzaka , Toshifumi Iijima , Tetsuya Harada
IPC分类号： G03C1/035 , G03C1/02
CPC分类号： G03C1/035 , G03C2001/03552
摘要： A photographic emulsion containing composite crystals of (a) silver halide and (b) copper halide or a solid solution crystal of copper halide and silver halide is found to be sufficiently photosensitive and developable. In such a photographic emulsion, the amount of silver used can significantly be decreased.
摘要翻译：发现含有（a）卤化银和（b）卤化铜或卤化铜和卤化银的固溶体晶体的复合晶体的照相乳液具有足够的光敏性和显影性。在这种照相乳剂中，可以显着降低所用的银量。

8. 发明授权

US4446228A Silver halide photographic material 失效
标题翻译：卤化银照相材料
公开(公告)号：US4446228A
公开(公告)日：1984-05-01
申请号：US372128
申请日：1982-04-27
申请人： Chika Honda , Masatoshi Iwata , Takeo Koitabashi
发明人： Chika Honda , Masatoshi Iwata , Takeo Koitabashi
IPC分类号： G03C1/005 , G03C1/035 , G03C1/02
CPC分类号： G03C1/035 , G03C2001/03564 , G03C2001/0357 , G03C2005/168 , Y10S430/167
摘要： A silver halide photographic material comprising a base having formed thereon a silver halide emulsion layer substantially made of two or more monodisperse emulsions having different average grain sizes in the range of from 0.2 to 3.0 .mu.m is disclosed. The grain size distribution curve of the silver halide grains in said emulsion layer has two or more peaks, and the distance between the highest peak and the second highest peak is at least 0.3 .mu.m.
摘要翻译：公开了一种卤化银照相材料，其包含在其上形成有基本上由两种或更多种不同平均粒度在0.2至3.0μm范围内的单分散乳液制成的卤化银乳剂层的基底。所述乳剂层中的卤化银颗粒的粒度分布曲线具有两个或多个峰，并且最高峰和第二高峰之间的距离为至少0.3μm。

9. 发明授权

US4349622A Photographic silver halide emulsion comprising epitaxial composite silver halide crystals, silver iodobromide emulsion and process for preparing the same 失效
标题翻译：包含外延复合卤化银晶体，碘溴化银乳剂及其制备方法的照相卤化银乳剂
公开(公告)号：US4349622A
公开(公告)日：1982-09-14
申请号：US154442
申请日：1980-05-29
申请人： Takeo Koitabashi , Syozi Matsuzaka , Tashifumi Iijima
发明人： Takeo Koitabashi , Syozi Matsuzaka , Tashifumi Iijima
IPC分类号： G03C1/035 , G03C1/02
CPC分类号： G03C1/035 , G03C2001/03552 , G05B2219/37405
摘要： There are provided a photographic silver halide emulsion which comprises composite silver halide crystals consisting essentially of multi-faceted silver iodobromide crystals containing 15-40 mole % of silver iodide and silver halide crystals containing not more than 10 mole % of silver iodide, said silver halide crystals being combined as epitaxial silver halide crystals with said multi-faceted silver iodobromide crystals, at least half of the facetes of said multi-faceted crystals being substantially free of said epitaxial crystals and the amount of said epitaxial crystals being limited to not more than 75 mole % based on the total silver halide forming said composite crystals, a silver halide emulsion comprising silver halide grains consisting essentially of silver iodobromide containing 15-40 mole % of silver iodide substantially homogeneously distributed therein, and a process for preparing the same.
摘要翻译：提供了一种照相卤化银乳剂，其包含复合卤化银晶体，其基本上由含有15-40摩尔％碘化银的多面银碘化银晶体和含有不大于10摩尔％碘化银的卤化银晶体组成，所述卤化银晶体作为外延卤化银晶体与所述多面银碘溴化物晶体组合，所述多面晶体的至少一半面几乎不含所述外延晶体，并且所述外延晶体的量被限制在不超过75 基于形成所述复合晶体的总卤化银的摩尔％，其中包含基本上由其中基本上均匀分布有15-40摩尔％的碘化银的基于碘化锂的卤化银颗粒的卤化银乳剂及其制备方法。

10. 发明授权

US4147547A Silver halide color photographic material 失效
标题翻译：卤化银彩色照相材料
公开(公告)号：US4147547A
公开(公告)日：1979-04-03
申请号：US868461
申请日：1978-01-10
申请人： Takeo Koitabashi , Noboru Fujimori , Shigemasa Itoh
发明人： Takeo Koitabashi , Noboru Fujimori , Shigemasa Itoh
IPC分类号： G03C1/29 , G03C1/34 , G03C1/76
CPC分类号： G03C1/29 , G03C1/34
摘要： A light-sensitive silver halide photographic material having improved anti-fogging properties is described.
摘要翻译：描述了具有改善的防雾性能的感光卤化银照相材料。

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