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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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2.发明授权Silver halide photographic elements containing 2-equivalent 5-pyrazolone magenta couplers 失效含有2-当量5-吡唑啉酮品红色成色剂的卤化银照相元件
公开(公告)号：US5663040A
公开(公告)日：1997-09-02
申请号：US605573
申请日：1996-02-22
CPC分类号： G03C7/30529
摘要： Silver halide photographic element comprising a support and at least one silver halide emulsion layer having therein a 2-equivalent 5-pyrazolone magenta coupler represented by the formula: ##STR1## wherein a represents an integer from 0 to 3,b represents an integer from 0 to 2,R.sub.1 and R.sub.2 are each individually hydrogen, alkyl, alkoxy, halogen, aryl, aryloxy, acylamino, sulfonamido, sulfamoyl, carbamoyl, arylsulfonyl, aryloxycarbonyl, alkoxycarbonyl, alkoxysulfonyl, aryloxysulfonyl, alkylureido, arylureido, nitro, cyano, hydroxyl or carboxy group,R.sub.3 is halogen atom, alkyl or aryl group,X is a direct link or a linking group,Ball is a ballasting group which renders a group to which is attached non-diffusible in photographic coatings, andthe sum of the sigma values of R.sub.1, R.sub.3 and X-Ball is less than 1.3.
摘要翻译： 卤化银照相元件包括载体和至少一个卤化银乳剂层，其中具有由下式表示的2-当量的5-吡唑啉酮品红成色剂：其中a表示0至3的整数，b表示0的整数 至2，R 1和R 2各自独立地为氢，烷基，烷氧基，卤素，芳基，芳氧基，酰氨基，亚磺酰氨基，氨磺酰基，氨基甲酰基，芳基磺酰基，芳氧基羰基，烷氧基羰基，烷氧基磺酰基，芳氧基磺酰基，烷基脲基，芳基脲基，硝基，氰基，羟基或羧基 基团，R 3是卤素原子，烷基或芳基，X是直链或连接基团，Ball是使得在照相涂层中不扩散的组附加的压载组，并且σ R1，R3和X-Ball小于1.3。
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3.发明授权
公开(公告)号：US5441858A
公开(公告)日：1995-08-15
申请号：US302224
申请日：1994-09-06
CPC分类号： G03C1/26 , C09B23/0066 , G03C1/127 , Y10S430/145
摘要： Silver halide photographic element comprising a support and at least one silver halide emulsion layer, characterised in that said silver halide emulsion layer is spectrally sensitized to infrared radiation with a tricarbocyanine dye having the formula: ##STR1## wherein, Z.sub.1 and Z.sub.2 each independently represents the atoms necessary to complete a thiazole nucleus or an oxazole nucleus,Z.sub.3 represents the atoms necessary to complete a 5-membered N-containing aromatic ring, Q represents the atoms necessary to complete a 5- or 6-membered carbocyclic ring, R.sub.1 and R.sub.2 each independently represents an alkyl group, X.sup.- represents an anion, and n represents an integer of 1 to 2, provided that n is 1 when the dye forms an intramolecular salt.
摘要翻译： 卤化银照相元件包括载体和至少一种卤化银乳剂层，其特征在于所述卤化银乳剂层用具有下式的三羰花青染料对红外辐射进行光谱增感，其中Z1和Z2各自独立地表示 完成噻唑核或恶唑核所需的原子，Z 3表示完成5元含N芳香环所必需的原子，Q表示完成5元或6元碳环所需的原子，R1和R2各自 独立地表示烷基，X-表示阴离子，n表示1〜2的整数，条件是当染料形成分子内盐时n为1。
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公开(公告)号：US5658718A
公开(公告)日：1997-08-19
申请号：US577979
申请日：1995-12-22
CPC分类号： G03C7/39292 , G03C7/3335
摘要： Multilayer silver halide color photographic element comprising a support having thereon at least a blue sensitive silver halide emulsion layer containing a yellow dye-forming coupler, at least a green-sensitive silver halide emulsion layer containing a magenta dye-forming coupler, and at least a red-sensitive silver halide emulsion layer containing a cyan dye-forming coupler, said red-sensitive layer containing a non-diffusible, cyan dye-forming magenta masking coupler.
摘要翻译： 多层卤化银彩色照相元件包括其上至少包含形成黄色染料成色剂的至少蓝色感光卤化银乳剂层的载体，至少含有形成品红染料的成色剂的感绿卤化银乳剂层，和至少一种 含有青色染料形成成色剂的感红卤化银乳剂层，所述红色敏感层含有不可扩散的青色染料形成品红色掩蔽成色剂。
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5.发明授权
公开(公告)号：US5821042A
公开(公告)日：1998-10-13
申请号：US862118
申请日：1997-05-22
IPC分类号： G03C7/00 , G03C1/43 , G03C1/76 , G03C1/825 , G03C7/30 , G03C7/305 , G03C7/34 , G03C7/392 , G03C5/44 , G03C1/183
CPC分类号： G03C7/30541 , G03C7/3029 , G03C7/39236
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 the interlayer provided between the silver antihalation layer and the red-sensitive silver halide emulsion layer closest to the support contains a bleach accelerator releasing compound, and the silver antihalation layer contains a water-soluble organic thiol. The invention provides reduction in residual silver levels and backside turbidity after processing, without deleteriously affecting sensitometric properties 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，其中设置在银防晕层和最靠近载体的感红卤化银乳剂层之间的中间层含有漂白促进剂释放化合物，银防晕层含有水溶性有机硫醇 。 本发明提供了处理后残留银水平和背面浊度的降低，而不会有害地影响照相元件的感光特性。
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6.发明授权Silver halide color photographic light-sensitive elements having improved image quality 失效卤化银彩色照相感光元件具有改善的图像质量
公开(公告)号：US5736307A
公开(公告)日：1998-04-07
申请号：US629302
申请日：1996-04-08
申请人： Massimo Bertoldi , Antonio Poggi , Enzo Coraluppi
发明人： Massimo Bertoldi , Antonio Poggi , Enzo Coraluppi
CPC分类号： G03C7/30535 , G03C7/30558 , G03C7/30594 , Y10S430/158
摘要： Silver halide photographic element comprising a support having coated thereon red-, green- and blue-sensitive silver halide emulsion layers comprising, respectively, cyan, magenta and yellow dye-forming couplers, wherein at least one silver halide emulsion layer comprises a yellow dye-forming DIR coupler having a 1,2,4-triazolyl group attached to the coupling position, said 1,2,4-triazolyl group comprising a hydrolyzable alkoxy- or aryloxy-carbonyl group attached to a benzylthio substituent on the 1,2,4-triazolyl group. Preferably, the yellow dye-forming DIR coupler is represented by the formula ##STR1## wherein R.sub.1 represents an alkyl group, an aryl group or --NHR.sub.5, wherein R.sub.5 represents an alkyl group or an aryl group, R.sub.2 represents an alkyl group or an aryl group, TIME represents a timing group, n is 0 or 1, R.sub.3 represents an alkyl group or a phenyl group, and R.sub.4 represents hydrogen atom or an alkyl group.
摘要翻译： 卤化银照相元件包括其上涂覆有红，绿和蓝感红卤化银乳剂层的载体，分别包含青色，品红色和黄色染料形成成色剂，其中至少一种卤化银乳剂层包含黄色染料 - 形成具有连接到偶联位置上的1,2,4-三唑基的DIR成色剂，所述1,2,4-三唑基包括连接到1,2,4-三唑基上的苄硫基取代基上的可水解的烷氧基 - 或芳氧基 - 羰基 三唑基。 优选地，形成黄色染料的DIR成色剂由下式表示：其中R 1表示烷基，芳基或-NHR 5，其中R 5表示烷基或芳基，R 2表示烷基或芳基 基团，TIME表示时基基团，n为0或1，R3表示烷基或苯基，R4表示氢原子或烷基。
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公开(公告)号：US5658717A
公开(公告)日：1997-08-19
申请号：US577747
申请日：1995-12-22
CPC分类号： G03C7/39292
摘要： Multilayer silver halide color photographic element comprising a support having thereon at least a blue sensitive silver halide emulsion layer containing a yellow dye-forming coupler, at least a green-sensitive silver halide emulsion layer containing a magenta dye-forming coupler, and at least a red-sensitive silver halide emulsion layer containing a cyan dye-forming coupler, said red-sensitive layer or a gelatin interlayer adjacent said red-sensitive layer containing a non-diffusible, non-coupling magenta colored azo dye.
摘要翻译： 多层卤化银彩色照相元件包括其上至少包含形成黄色染料成色剂的至少蓝色感光卤化银乳剂层的载体，至少含有形成品红染料的成色剂的感绿卤化银乳剂层，和至少一种 含有青色染料成色剂的感红卤化银乳剂层，所述红色敏感层或邻近所述红色敏感层的明胶中间层含有不可扩散的非偶联品红色偶氮染料。
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公开(公告)号：US5496692A
公开(公告)日：1996-03-05
申请号：US339484
申请日：1994-11-14
申请人： Massimo Bertoldi , Vinicio Busatto
发明人： Massimo Bertoldi , Vinicio Busatto
CPC分类号： G03C7/3225 , G03C7/30535
摘要： Silver halide color photographic light-sensitive material which comprises a support having thereon at least one silver halide emulsion layer containing a) an alkoxybenzoylacetanilide DIR coupler having bonded to the coupling active position a group which provides a compound having a development inhibiting property when the group is released from the coupler active position upon the color development reaction, wherein said group is a 4,7-dihalogen-2-benzotriazolyl group and b) an alkoxybenzoylacetanilide yellow dye forming coupler having a 3-hydantoinyl leaving group bonded to the coupling active position to provide, upon exposure and development, color images of improved image sensitivity.
摘要翻译： 卤化银彩色照相感光材料，其包括其上具有至少一个卤化银乳剂层的载体，所述卤化银乳剂层含有a）与偶联活性位置键合的烷氧基苯甲酰基乙酰苯胺DIR成色剂，当该基团为组合时，提供具有显影抑制性质的化合物 在显影反应中从成色剂活性位置释放，其中所述基团是4,7-二卤代-2-苯并三唑基，和b）具有3-联乙烯基离去基团的烷氧基苯甲酰基乙酰替苯胺黄色染料形成成色剂，其结合到偶联活性位置至 在曝光和显影时提供改进的图像敏感度的彩色图像。
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公开(公告)号：US5149620A
公开(公告)日：1992-09-22
申请号：US559619
申请日：1990-07-30
申请人： Sahron M. Simpson , John R. Boon , Marco Bucci , Massimo Bertoldi , Cristina Soncini , Kumars Sakizadeh
发明人： Sahron M. Simpson , John R. Boon , Marco Bucci , Massimo Bertoldi , Cristina Soncini , Kumars Sakizadeh
IPC分类号： C07D249/12 , G03C1/498
CPC分类号： C07D249/12 , G03C1/49845
摘要： The addition of certain 5-mercapto-1,2,4-triazoles to silver halide photothermographic emulsions improves the post-processing image stability of those emulsions.
摘要翻译： 将某些5-巯基-1,2,4-三唑加入到卤化银光热乳液中可改善这些乳液的后处理图像稳定性。
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公开(公告)号：US5681693A
公开(公告)日：1997-10-28
申请号：US928283
申请日：1992-08-12
申请人： Massimo Bertoldi , Stefano Mana , Cristina Soncini
发明人： Massimo Bertoldi , Stefano Mana , Cristina Soncini
CPC分类号： G03C1/49845 , G03C1/346 , G03C8/408
摘要： The addition of 3-substituted-5-mercapto-1H-tetrazoles to silver halide photothermographic emulsions improves the post-processing stability of the emulsion.
摘要翻译： 向卤化银光热敏乳液中加入3-取代-5-巯基-1H-四唑提高了乳液的后处理稳定性。
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