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公开(公告)号：US4591548A
公开(公告)日：1986-05-27
申请号：US755266
申请日：1985-07-15
申请人： Ivano Delprato
发明人： Ivano Delprato
IPC分类号： C07C205/22 , C07C205/43 , C07D265/36 , G03C7/32 , G03C7/34 , G03C1/40
CPC分类号： G03C7/32 , C07C205/22 , C07C205/43 , C07D265/36
摘要： Cyan dye-forming 6-hydroxy-2H-1,4-benzoxazin-3-(4H)-one couplers, preferably cyan dye-forming couplers corresponding to the general formula: ##STR1## wherein R represents hydrogen or R'"--X--NH, R' represents hydrogen or a substituted or unsubstituted alkyl group, R" represents hydrogen or R.sup.iv --X--, X represents a member selected from the group consisting of --CO--, --SO.sub.2 --, --OCOCO--, --NHCO--, R'" and R.sup.iv represent a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group and Y and Z, the same or different, represent hydrogen, halogen and a substituted or unsubstituted alkyl or alkoxy group,are described for use in silver halide color photographic processes and elements.
摘要翻译： 形成青色染料的6-羟基-2H-1,4-苯并恶嗪-3-（4H） - 酮成色剂，优选对应于以下通式的青色染料形成成色剂：其中R表示氢或R“ X-NH，R'表示氢或取代或未取代的烷基，R“表示氢或Riv-X-，X表示选自-CO - ， - SO 2 - ， - OCOCO - ， - NHCO-，R“'和Riv表示取代或未取代的烷基或取代或未取代的芳基，Y和Z相同或不同，代表氢，卤素和取代或未取代的烷基或烷氧基，描述于 用于卤化银彩色摄影工艺和元素。
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公开(公告)号：US5290670A
公开(公告)日：1994-03-01
申请号：US911017
申请日：1992-07-09
申请人： Ivano Delprato , Stefano Mana , Antonio Luzzi
发明人： Ivano Delprato , Stefano Mana , Antonio Luzzi
CPC分类号： G03C1/832 , C09B23/0066 , Y10S430/145
摘要： An infrared sensitive silver halide photographic element which contains an infrared-absorbing dye represented by the following formula ##STR1## wherein: R.sub.1 and R.sub.2 each independently represents a sulfoalkyl or a sulfatoalkyl group,Q represents the atoms necessary to complete a 5- to 6- membered carbocyclic ring,Z.sub.3 represents the atoms necessary to complete a 5-membered N-containing aromatic ring,X.sup.- represents an anion,n is an integer of 1 or 2, provided that n is 1 when the dye forms an intramolecular salt, andZ.sub.1 and Z.sub.2 each independently represents the atoms necessary to complete a substituted or unsubstituted indole nucleus.
摘要翻译： 含有由下式（*化学结构*）表示的红外线吸收染料的红外线感光卤化银照相元件，其中：R1和R2各自独立地表示磺基烷基或硫酸烷基，Q表示完成5- 至6元碳环，Z 3表示完成5元含N芳族环所需的原子，X表示阴离子，n为1或2的整数，条件是当染料形成分子内时n为1 盐，Z1和Z2各自独立地表示完成取代或未取代的吲哚核所需的原子。
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公开(公告)号：US4672013A
公开(公告)日：1987-06-09
申请号：US856821
申请日：1986-04-28
申请人： Ivano Delprato
发明人： Ivano Delprato
IPC分类号： C07C205/22 , C07C205/43 , C07D265/36 , G03C7/32 , G03C7/34 , G03C1/40 , C07C103/20 , C07C103/34 , C07C143/74
CPC分类号： G03C7/32 , C07C205/22 , C07C205/43 , C07D265/36
摘要： Cyan dye-forming 6-hydroxy-2H-1,4-benzoxazin-3-(4H)-one couplers, preferably cyan dye-forming couplers corresponding to the general formula: ##STR1## wherein R represents hydrogen or R"'--X--NH, R' represents hydrogen or a substituted or unsubstituted alkyl group, R" represents hydrogen or R.sup.iv --X--, X represents a member selected from the group consisting of --CO--, --SO.sub.2 --, --OCOCO--, --NHCO--, R"' and R.sup.iv represent a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group and Y and Z, the same or different, represent hydrogen, halogen and a substituted or unsubstituted alkyl or alkoxy group,are described for use in silver halide color photographic processes and elements.
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4.发明授权
公开(公告)号：US6043011A
公开(公告)日：2000-03-28
申请号：US76155
申请日：1998-05-11
CPC分类号： G03C7/30541 , G03C7/3029
摘要： A multilayer silver halide color photographic element comprises a support having coated thereon a silver antihalation layer, an interlayer, at least two red-sensitive silver halide emulsion layers, at least two green-sensitive silver halide emulsion layers a yellow filter layer, and at least two blue-sensitive silver halide emulsion layers, wherein a silver halide emulsion layer or a nonsensitive layer adjacent thereto comprises a bleach accelerator releasing coupler of formulaA-(TIME).sub.n -S-X-Rwherein A represents a coupler residue releasing from (TIME).sub.n -S-X-R upon reaction with the oxidation product of a color developing agent; TIME represents a timing group releasing S-X-R with delay under developing conditions; n represents 0 or 1; X represents a divalent linking groups consisting of an alkylene group containing 1 to 8 carbon atoms; and R represents a group selected in the group consisting of a), b) and c): ##STR1## wherein R.sub.1 represents hydrogen or a monovalent chemical group, n represents 0 or 1, Z represents the atoms necessary to complete a 5- or 6-membered ring or a fused ring, and R.sub.2 and R.sub.4, equal or different, each represents hydrogen, an alkyl group, an aryl group, --SO.sub.2 R.sub.4 or --COR.sub.4, wherein R.sub.4 represents an alkyl group or an aryl group. The invention provides reduction in residual silver levels after processing, without deleteriously affecting sensitometric properties and color reproduction performance of the photographic element.
摘要翻译： 多层卤化银彩色照相元件包括其上涂有银防晕层，中间层，至少两个感红卤化银乳剂层，至少两个感绿卤化银乳剂层，黄色过滤层和至少 两个感蓝卤化银乳剂层，其中卤化银乳剂层或与其相邻的非敏感层包含式A-（TIME）nSX-R的漂白促进剂释放成色剂，其中A表示与（TIME）nSXR反应的成色剂残余物，与 彩色显影剂的氧化产物; TIME表示在开发条件下延迟释放S-X-R的定时组; n表示0或1; X表示由含有1至8个碳原子的亚烷基组成的二价连接基团; 并且R表示选自a），b）和c）中的基团：其中R 1表示氢或一价化学基团，n表示0或1，Z表示完成5-或6-元所需的原子 环或稠环，R 2和R 4相同或不同，各自表示氢，烷基，芳基，-SO 2 R 4或-COR 4，其中R 4表示烷基或芳基。 本发明提供了处理后残留银水平的降低，而不会有害地影响照相元件的感光性能和色彩再现性能。
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5.发明授权Light-sensitive photographic materials comprising tabular silver halide grains and azodicarbonamide derivatives 失效包含片状卤化银颗粒和偶氮二甲酰胺衍生物的感光照相材料
公开(公告)号：US5731141A
公开(公告)日：1998-03-24
申请号：US651068
申请日：1996-05-21
申请人： Isabella Cogliolo , Ivano Delprato , Luca Ceruti , Stefano Mana , Stefano Parodi
发明人： Isabella Cogliolo , Ivano Delprato , Luca Ceruti , Stefano Mana , Stefano Parodi
CPC分类号： G03C1/0051 , G03C1/10 , G03C1/34
摘要： The present invention describes a light-sensitive silver halide photographic material comprising a support and silver halide emulsion layer or layers, wherein at least one of said silver halide emulsion layers contains tabular silver halide grains having an average diameter to thickness ratio of at least 2:1 and at least one azodicarbonamide derivative.
摘要翻译： 本发明描述了一种感光卤化银照相材料，其包括载体和卤化银乳剂层，其中至少一种所述卤化银乳剂层含有平均直径与厚度比至少为2:1的片状卤化银颗粒， 1和至少一种偶氮二甲酰胺衍生物。
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公开(公告)号：US5543278A
公开(公告)日：1996-08-06
申请号：US643461
申请日：1991-01-18
申请人： Marco Bucci , Ivano Delprato , Giorgio Spazzapan
发明人： Marco Bucci , Ivano Delprato , Giorgio Spazzapan
CPC分类号： G03C1/346 , G03C1/28 , G03C7/3003 , G03C5/164 , Y10S430/145
摘要： An infrared sensitive silver halide photographic element is disclosed comprising a support and at least one silver halide emulsion layer spectrally sensitized to the infrared portion of the electromagnetic spectrum. In particular, an infrared sensitive color photographic element, capable of providing full color images without exposure to corresponding visible radiation, is disclosed, said element comprising at least three silver halide emulsion layers on a substrate, each associated with different photographic color image forming materials, such as color couplers capable of forming dyes of different colors upon reaction with an oxidized color photographic developer, diffusing dyes, bleachable dyes, or oxidized leuco dyes. The three emulsion layers are sensitized to three different portions of the electromagnetic spectrum with at least two layers sensitized to different regions of the infrared region of the electromagnetic spectrum. The infrared sensitive element is characterized in that at least one infrared sensitized emulsion layer is associated with a 1-aryl-5-mercaptotetrazole compound substituted in the aryl group by at least one electron-attracting group.The infrared sensitive photographic element has high sensitivity to infrared radiation and undergoes less change in sensitivity during storage.
摘要翻译： 公开了一种红外线敏感的卤化银照相元件，其包括对电磁光谱的红外部分进行光谱敏化的载体和至少一个卤化银乳剂层。 特别地，公开了能够提供全色图像而不暴露于相应的可见光辐射的红外敏感彩色照相材料，所述元件包括至少三个卤化银乳剂层，每个卤化银乳剂层与不同的照相彩色图像形成材料相关联， 例如能够与氧化的彩色照相显影剂反应形成不同颜色的染料的颜色成色剂，扩散染料，可漂白染料或氧化的无色染料。 三个乳剂层对电磁光谱的三个不同部分敏化，至少两层对电磁光谱的红外区域的不同区域敏感。 红外线敏感元件的特征在于，至少一个红外致敏乳剂层与通过至少一个吸电子基团在芳基中取代的1-芳基-5-巯基四唑化合物相关联。 红外线敏感的摄影元件对红外辐射具有高灵敏度，并且在储存期间的灵敏度变化较小。
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公开(公告)号：US5422236A
公开(公告)日：1995-06-06
申请号：US286280
申请日：1994-08-05
申请人： Ivano Delprato , Isabella Cogliolo
发明人： Ivano Delprato , Isabella Cogliolo
CPC分类号： C09B23/0083 , G03C1/22 , G03C1/26
摘要： The present invention refers to a silver halide photographic element containing a support having coated thereon at least a silver halide emulsion layer spectrally sensitized with a sensitizing dye according to the formula (I): ##STR1## wherein Z represents the atoms necessary to complete a 6-membered nitrogen-containing heterocyclic nucleus; at least 2 members of R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 --but not R.sub.1 and R.sub.2 together--represent an organic group carrying a water-solubilizing group in free acid form, in salt form or in latent form, and are same or different, the members of R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 that do not represent a said organic radical carrying a water-solubilizing group represent hydrogen, an alkyl group, an alkenyl group or an aryl group; and n is 0 or 1.The silver halide photographic material has the advantage to have a broad sensitivity in the red portion of the spectrum. It can be exposed to laser beam sources in the range of 600-700 nm.
摘要翻译： 本发明涉及一种含有载体的卤化银照相元件，其上至少涂覆有根据式（I）的增感染料光谱增感的卤化银乳剂层：其中Z表示完成6 含氮杂环核; R 1，R 2，R 3，R 4和R 5中的至少2个成员，而不是R 1和R 2一起代表具有盐形式或潜伏形式的游离酸形式的水溶性基团的有机基团，并且相同或不同 不表示带有水溶性基团的所述有机基团的R1，R2，R3，R4和R5的成员表示氢，烷基，烯基或芳基; 并且n为0或1.卤化银照相材料具有在光谱的红色部分具有宽的灵敏度的优点。 它可以暴露于600-700 nm范围内的激光束源。
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公开(公告)号：US5281515A
公开(公告)日：1994-01-25
申请号：US928321
申请日：1992-08-12
申请人： Ivano Delprato , Stefano Mana , Cristina Soncini
发明人： Ivano Delprato , Stefano Mana , Cristina Soncini
CPC分类号： G03C1/49854 , C09B23/102 , G03C1/102
摘要： The addition of simple merocyanine spectral sensitizing dyes to silver halide photothermographic emulsions improves the stability of the emulsion during storage before heat processing.
摘要翻译： 将简单的部花菁光谱增感染料加入到卤化银光热敏乳液中可以改善乳液在热处理前的储存过程中的稳定性。
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公开(公告)号：US5232826A
公开(公告)日：1993-08-03
申请号：US671460
申请日：1991-03-19
申请人： Marco Bucci , Ivano Delprato , Giorgio Spazzapan
发明人： Marco Bucci , Ivano Delprato , Giorgio Spazzapan
CPC分类号： G03C1/28 , G03C1/346 , G03C7/39276 , Y10S430/145
摘要： An infrared sensitive silver halide photographic element is disclosed comprising a support and at least one silver halide emulsion layer spectrally sensitized to the infrared portion of the electromagnetic spectrum. In particular, an infrared sensitive silver halide color photographic element, capable of providing full color images without exposure to corresponding visible radiation, is disclosed, said element comprising at least three silver halide emulsion layers on a substrate, each associated with different photographic color image forming materials, such as color couplers capable of forming dyes of different colors upon reaction with an oxidized color photographic developer, diffusing dyes, bleachable dyes, or oxidable leuco dyes. The three emulsion layers are sensitized to three different portions of the electromagnetic spectrum with at least one layer sensitized to radiation within the infrared region of the electromagnetic spectrum. The infrared sensitive element is characterized in that at least one infrared sensitized emulsion layer is associated with a 5-arylamino-1,2,3,4-thiatriazole compound wherein the aryl group has at least one electron-attracting group substituent. The infrared sensitive color photographic element having an effective amount of said compound therein has high sensitivity to infrared radiation and undergoes less change in sensitivity during storage.
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公开(公告)号：US5693846A
公开(公告)日：1997-12-02
申请号：US693838
申请日：1996-08-01
申请人： Ivano Delprato , Massimo Bertoldi
发明人： Ivano Delprato , Massimo Bertoldi
IPC分类号： C07C319/06 , C07C323/38 , C07C323/42 , C07C323/62 , C07D257/04 , G03C7/305 , C07C331/00
CPC分类号： C07D257/04 , C07C319/06 , C07C323/42 , C07C323/62 , G03C7/30552
摘要： A process for preparation of 4-mercapto-1-naphthol compounds which comprises the steps of: (i) obtaining a 4-heterocyclylthio-1-naphthol compound by reacting a 1-naphthol compound with a heterocyclylsulfur chloride or by reacting a 4-iodo-1-naphthol compound with an alkali metal or ammonium salt of a mercaptoheterocyclic compound, (ii) hydrolyzing the resulting 4-heterocyclylthio-1-naphthol compound in the presence of a base to form a reaction product, and (iii) acidifying said reaction product. The resulting compounds are useful as intermediates in the synthesis of bleach accelerator releasing couplers for use in silver halide color photographic materials.
摘要翻译： 一种制备4-巯基-1-萘酚化合物的方法，其包括以下步骤：（i）通过使1-萘酚化合物与杂环硫酰氯反应获得4-杂环硫基-1-萘酚化合物，或通过使4-碘代 -1-萘酚化合物与巯基杂环化合物的碱金属盐或铵盐反应，（ii）在碱的存在下水解所得4-杂环硫基-1-萘酚化合物以形成反应产物，和（iii）酸化所述反应 产品。 所得化合物可用作合成用于卤化银彩色照相材料的漂白促进剂释放成色剂的中间体。
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