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1.发明授权
公开(公告)号：US4997743A
公开(公告)日：1991-03-05
申请号：US463825
申请日：1990-01-08
申请人： Senzo Sasaoka , Nobuaki Inoue , Eiichi Okutsu
发明人： Senzo Sasaoka , Nobuaki Inoue , Eiichi Okutsu
摘要： Silver halide photographic material and method of forming an image using the same are disclosed. The material comprises one or more silver halide emulsion layers on a support, with a hydrazine derivative and a developing agent being incorporated in at least one of said emulsion layers. The image forming method comprises performing imagewise exposure of the above-described photographic material and developing said material with a developing solution that contains sulfite ions in a concentration of not less than 0.15 mole per liter and which has a pH within the range of from 9.5 to 12.3, and provides a supercontrasty negative image that has a very contrasty photographic characteristic of a gamma (.gamma.) of 10 or more and which is not highly susceptible to the occurrence of "black spots".
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2.发明授权
公开(公告)号：US4839259A
公开(公告)日：1989-06-13
申请号：US130482
申请日：1987-12-09
申请人： Senzo Sasaoka , Nobuaki Inoue , Eiichi Okutsu
发明人： Senzo Sasaoka , Nobuaki Inoue , Eiichi Okutsu
摘要： Silver halide photographic material and method of forming an image using the same are disclosed. The material comprises one or more silver halide emulsion layers on a support, with a hydrazine derivative and a developing agent being incorporated in at least one of said emulsion layers. The image forming method comprises performing imagewise exposure of the above-described photographic material and developing said material with a developing solution that contains sulfite ions in a concentration of not less than 0.15 mole per liter and which has a pH within the range of from 9.5 to 12.3, and provides a supercontrasty negative image that has a very contrasty photographic characteristic of a gamma (.gamma.) of 10 or more and which is not highly susceptible to the occurrence of "black spots".
摘要翻译： 公开了卤化银照相材料和使用其形成图像的方法。 该材料在载体上包含一个或多个卤化银乳剂层，其中肼衍生物和显影剂被引入至少一个所述乳剂层中。 图像形成方法包括进行上述照相材料的成像曝光并用含有亚硫酸根离子的显影液显影所述材料，所述显影液的浓度不低于0.15摩尔/升，其pH值在9.5〜 12.3，并且提供了具有10或更大的伽马（伽马）的非常对比度的照相特征并且对“黑点”的发生不高度敏感的超立体负像。
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公开(公告)号：US07179585B2
公开(公告)日：2007-02-20
申请号：US10768038
申请日：2004-02-02
CPC分类号： G03C1/49881 , G03C1/49818 , G03C1/49827 , G03C2007/3025 , G03C2200/09 , G03C2200/39 , G03C2200/60 , Y10S430/146
摘要： The present invention provides an image forming method using an image recording apparatus that includes a laser irradiating means for laser scanning of a photothermographic material that has a support and includes on at least one surface thereof a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent and a binder, and a conveying means for guiding the photothermographic material in a sub-scanning direction to a thermal development unit, wherein the reducing agent is a specific bisphenol compound. The invention also provides another image forming method including carrying out thermal development, with an interval time equal to or less than 12 seconds, of the photothermographic material.
摘要翻译： 本发明提供了一种使用图像记录装置的图像形成方法，该图像记录装置包括用于激光扫描具有支持物的光热敏成像材料的激光照射装置，并且在至少一个表面上包括光敏卤化银，非感光性有机银盐 ，还原剂和粘合剂，以及用于将光热敏成像材料沿副扫描方向引导到热显影单元的输送装置，其中还原剂是特定的双酚化合物。 本发明还提供另一种图像形成方法，其包括进行光热照相材料的间隔时间等于或小于12秒的热显影。
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公开(公告)号：US06994952B2
公开(公告)日：2006-02-07
申请号：US10391642
申请日：2003-03-20
申请人： Mitsuo Saitou , Satoshi Aiba , Sumito Yamada , Eiichi Okutsu
发明人： Mitsuo Saitou , Satoshi Aiba , Sumito Yamada , Eiichi Okutsu
CPC分类号： G03C1/035 , G03C1/015 , G03C1/49818 , G03C2001/03558 , G03C2001/03594 , G03C2200/01
摘要： A silver halide emulsion comprises at least a dispersion medium, water and a silver halide grain, wherein grains occupying from 40 to 100% of the total projected area of said gains have an AgI content of 85 to 100 mol %, a single kind of outer shape except for size and the equivalent-circle projected diameter of from 0.002 to 20 μm.
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公开(公告)号：US20050147931A1
公开(公告)日：2005-07-07
申请号：US11072514
申请日：2005-03-07
申请人： Seiichi Yamamoto , Eiichi Okutsu , Tomoyuki Ohzeki
发明人： Seiichi Yamamoto , Eiichi Okutsu , Tomoyuki Ohzeki
CPC分类号： G03C1/49845 , G03C1/04 , G03C1/49818 , G03C1/49854 , G03C1/49863 , G03C5/164 , G03C2001/03558 , G03C2001/03594
摘要： A process for manufacturing a photothermographic material comprising a support and an image forming layer on the support, containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for a silver ion, and a binder, comprising mixing the photosensitive silver halide with the non-photosensitive organic silver salt: said photosensitive silver halide having a silver iodide content of 40 mol % to 100 mol %, and an average particle size of 5 nm to 80 nm, and said photothermographic material further containing at least one compound selected from the group consisting of compounds represented by formulae (T1) and (T2); Wherein in formula (T1), R represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an aryl group, a halogen atom, an amino group, a nitro group, an alkoxycarbonyl group, a substituted or unsubstituted carboxyl group or salt thereof, or a sulfonic group or salt thereof, wherein in formula (T2), R represents an alkyl or alkenyl group having 20 or less carbon atoms, an aryl, alkaryl, or aralkyl group having 20 or less carbon atoms, an aliphatic or aromatic heterocyclic group containing 6 or less ring atoms, or a carbocyclic group containing 6 or less carbon atoms. A photothermographic material having high sensitivity and excellent preservation stability and excellent in light fastness of images is obtained.
摘要翻译： 一种光热敏成像材料的制造方法，该光热敏成像材料在载体上包含载体和图像形成层，至少含有感光卤化银，非感光性有机银盐，银离子还原剂和粘合剂，包括将 光敏卤化银与非感光性有机银盐：所述光敏卤化银具有碘化银含量为40mol％至100mol％，平均粒度为5nm至80nm，并且所述光热敏成像材料至少还含有 选自由式（T1）和（T2）表示的化合物组成的组中的一种化合物; 式（T1）中，R表示氢原子，碳原子数1〜4的烷基，芳基，卤素原子，氨基，硝基，烷氧基羰基，取代或未取代的羧基或 其盐或其磺酸基或其盐，其中在式（T2）中，R表示具有20个或更少碳原子的烷基或烯基，具有20个或更少碳原子的芳基，烷芳基或芳烷基，脂族或 含有6个以下环原子的芳香族杂环基或碳原子数为6以下的碳环。 获得具有高灵敏度和优异的保存稳定性和图像耐光性优异的光热敏成像材料。
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公开(公告)号：US5457009A
公开(公告)日：1995-10-10
申请号：US214305
申请日：1994-03-17
CPC分类号： G03C1/7614 , G03C1/346 , G03C5/31
摘要： A method of processing a photographic material having, in the backing layer, at least one mercapto pyrimidine compound of formula (I), with an automatic developing machine, where the amount of the replenisher of the developer per unit area of the material being processed is reduced. The processed materials have stable photographic properties and few silver stains. The mercapto pyrimidine has the following structure ##STR1## wherein R.sub.1 and R.sub.2 each represents a hydrogen atom, an alkyl group, an aryl group, an aralkyl group, a hydroxyl group, a mercapto group, a carboxyl group, a sulfo group, a phosphono group, a nitro group, a cyano group, a halogen atom, an alkoxycarbonyl group, an aryloxycarbonyl group, a carbamoyl group, a sulfamoyl group or an alkoxy group. The sum of the carbon atoms contained in R.sub.1 and R.sub.2 is from 2 to 20. R.sub.1 and R.sub.2 may be bonded to each other to form a ring structure.
摘要翻译： 一种处理在背衬层中具有至少一种式（I）的巯基嘧啶化合物的照相材料的方法，其具有自动显影机，其中待处理材料的每单位面积的显影剂的补充量为 减少 加工材料具有稳定的照相性能和少量的银色污渍。 巯基嘧啶具有以下结构，其中R 1和R 2各自表示氢原子，烷基，芳基，芳烷基，羟基，巯基，羧基，磺基 膦酰基，硝基，氰基，卤素原子，烷氧基羰基，芳氧基羰基，氨基甲酰基，氨磺酰基或烷氧基。 R 1和R 2中所含的碳原子的总和为2〜20个.R 1和R 2可以相互结合形成环结构。
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7.发明授权Method for processing silver halide photographic materials, and developer and silver halide photographic material used therein 失效用于处理银盐摄影材料的方法及其使用的开发商和银盐摄影材料
公开(公告)号：US5102779A
公开(公告)日：1992-04-07
申请号：US596272
申请日：1990-10-12
申请人： Tetsuro Kojima , Eiichi Okutsu , Kazunobu Katoh
发明人： Tetsuro Kojima , Eiichi Okutsu , Kazunobu Katoh
摘要： A method for processing silver halide photographic materials comprising the step of: processing imagewise exposed silver halide photographic material using a developer containing at least one compound represented by general formula (X): ##STR1## wherein R.sub.1 and R.sub.2 each represents a hydrogen atom, an alkyl group containing from 2 to 8 carbon atoms, an alkenyl group containing from 3 to 8 carbon atoms, or an aralkyl group containing from 7 to 12 carbon atoms; or R.sub.1 and R.sub.2 are combined to form a ring; R.sub.3, R.sub.4, R.sub.5, and R.sub.6 each represents a hydrogen atom, or an alkyl group containing from 1 to 4 carbon atoms: and n represents an integer from 3 to 20. A developer for processing silver halide photographic materials comprising at least one compound represented by general formula (X), described above. A silver halide photographic material comprising: at least one compound represented by general formula (X'): ##STR2## wherein R'.sub.1 and R'.sub.2 each represents a hydrogen atom, an alkyl group containing from 1 to 30 carbon atoms, an alkenyl group containing from 3 to 30 carbon atoms, or an aralkyl group containing from 7 to 30 carbon atoms; or R'.sub.1 and R'.sub.2 are combined to form a ring; R.sub.3, R.sub.4, R.sub.5, and R.sub.6 are the same as described above; and n' represents an integer from 2 to 50. A method for processing silver halide photographic materials comprising the step of: processing imagewise exposed silver halide photographic material comprising at least one compound represented by general formula (X'), described above.
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公开(公告)号：US5039591A
公开(公告)日：1991-08-13
申请号：US476908
申请日：1990-02-08
申请人： Eiichi Okutsu , Tetsuro Kojima
发明人： Eiichi Okutsu , Tetsuro Kojima
摘要： A method for processing an image-wise exposed silver halide photographic material is disclosed, which comprises developing said exposed silver halide photographic material in the presence of a hydrazine derivative, wherein the processing is effected with a water-soluble alkaline developing solution having a pH of 10.5 to 12.3 and containing the following components (1) to (3):(1) a dihydroxybenzene developing agent;(2) a sulfite preservative in an amount of 0.3 mol/l or more; and(3) a compound represented by formula (X) in an amount of from 0.005 to 0.30 mol/l: ##STR1## wherein R.sub.1 represents a hydroxylalkyl group having from 4 to 10 carbon atoms, and in a preferred embodiment, using as a developing agent a dihydroxybenzene developing agent and, as an auxiliary developing agent, a p-aminophenol developing agent, a 3-pyrazolidone developing agent or a mixture thereof.
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公开(公告)号：US4332878A
公开(公告)日：1982-06-01
申请号：US259277
申请日：1981-04-30
CPC分类号： G03C5/3021 , C07D231/56 , G03C1/043 , G03C1/10 , G03C1/42 , G03C5/3014 , Y10S430/16
摘要： A photographic image-forming method comprising imagewise exposing a silver halide photographic light-sensitive element containing a specific hydroquinone derivative in the silver halide emulsion layer of substantially the surface latent image type or at least one hydrophilic colloid layer thereof and then developing the exposed light-sensitive element in the presence of a specific hydrazine compound. The method forms a photographic image having markedly high negative gradation.
摘要翻译： 一种摄影图像形成方法，包括在基本上表面潜影型或其至少一个亲水胶体层的卤化银乳剂层中成像曝光含有特定氢醌衍生物的卤化银照相感光元件， 在特定肼化合物存在下的敏感元件。 该方法形成具有显着高的负梯度的摄影图像。
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公开(公告)号：US06787298B2
公开(公告)日：2004-09-07
申请号：US10262955
申请日：2002-10-03
IPC分类号： G03C100
CPC分类号： G03C1/49845 , G03C1/061 , G03C1/498 , G03C1/49881 , G03C2200/43 , G03C2200/58 , G03C2200/60 , Y10S430/156
摘要： Disclosed is a highly sensitive photothermographic material containing on a support a silver salt of an organic acid, a photosensitive silver halide, a reducing agent, a binder and, for example, a compound of which one-electron oxidized derivative produced by one electron oxidation of the compound is capable of releasing two or more electrons with a bond cleavage.
摘要翻译： 公开了一种高灵敏度的光热敏成像材料，其在载体上含有机酸的银盐，感光卤化银，还原剂，粘合剂和例如通过一电子氧化产生单电子氧化衍生物的化合物 该化合物能够释放具有键断裂的两个或多个电子。
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