会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 3. 发明授权
    • Silver halide color photographic element having improved bleachability
    • 具有改善的漂白性的卤化银彩色照相元件
    • US6043011A
    • 2000-03-28
    • US76155
    • 1998-05-11
    • Isabella CoglioloPaolo BerettaIvano DelpratoSergio Massirio
    • Isabella CoglioloPaolo BerettaIvano DelpratoSergio Massirio
    • G03C7/30G03C7/305G03C7/42G03C1/43G03C7/32G03C7/34
    • G03C7/30541G03C7/3029
    • 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.
    • 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。
    • 5. 发明授权
    • Light-sensitive silver halide photographic elements containing yellow
filter dyes
    • 含有黄色滤光染料的感光卤化银照相元件
    • US6045985A
    • 2000-04-04
    • US198818
    • 1998-11-23
    • Piero CavalleriSergio Massirio
    • Piero CavalleriSergio Massirio
    • G03B7/18G03C1/83G03C7/30G03C1/46
    • G03C1/832G03C7/3029G03C7/3041
    • Photographic elements are disclosed having on a support a silver halide emulsion layer sensitive to radiation other than blue light in addition to its intrinsic sensitivity to blue region, and a yellow filter layer between the silver halide emulsion layers and the source of exposure, the yellow filter layer containing a yellow filter dye represented by the structural formula: ##STR1## wherein: R is hydrogen, alkyl group or aryl group;R.sub.1 is aryl group or heterocyclic group;X is O or N--R.sub.2 where R.sub.2 is hydrogen or alkyl group;Y is N--R.sub.3 where R.sub.3 is hydrogen or alkyl group;n is 0 or 1;Z is hydrogen, alkyl group or aryl group;W is hydrogen, or W and Z, taken together, represent the atoms necessary to form an aryl group.In particular, multilayer color photographic elements are disclosed having thereon a support base, in order from the support, red-, green-, and blue-sensitive silver halide emulsion layers respectively associated with non-diffusing cyan, magenta and yellow dye-forming couplers, wherein a yellow filter layer containing the yellow filter dyes of the above structural formula is positioned below the blue-sensitive layer(s) and above the green-sensitive layer(s) and the red-sensitive layer(s).The photographic elements herein disclosed provide yellow filter layers which have the required spectral absorption characteristics, are easily bleached during photographic processing steps, and do not suffer from stain problems after processing and incubative aging.
    • 公开了在支持体上具有除蓝色光之外的辐射敏感的卤化银乳剂层的照相元件以及其对蓝色区域的固有敏感性,以及在卤化银乳剂层和曝光源之间的黄色滤光层,黄色滤光片 该层包含由下列结构式表示的黄色滤光染料:其中:R是氢,烷基或芳基; R1是芳基或杂环基; X是O或N-R 2,其中R 2是氢或烷基; Y是N-R3,其中R3是氢或烷基; n为0或1; Z是氢,烷基或芳基; W是氢,或W和Z一起表示形成芳基所需的原子。 特别地,公开了其上具有支撑基底的多层彩色照相材料,其依次是分别与不扩散青色,品红色和黄色染料形成成色剂相关联的载体,红,绿和蓝敏感的卤化银乳剂层 其中含有上述结构式的黄色滤光染料的黄色滤光层位于蓝色感光层之下并且位于感光层和红色敏感层之上。 本文公开的照相元件提供具有所需光谱吸收特性的黄色滤光层,在照相处理步骤期间容易漂白,并且在处理和温育老化之后不会出现染色问题。
    • 7. 发明授权
    • Hardened silver halide photographic elements
    • 硬化卤化银照相元件
    • US5529892A
    • 1996-06-25
    • US554072
    • 1995-11-06
    • Sergio MassirioGiovanni GiustoDomenico Marinelli
    • Sergio MassirioGiovanni GiustoDomenico Marinelli
    • G03C1/047G03C1/30G03C1/74G03C1/76
    • G03C1/30G03C1/74G03C1/7614Y10S430/162
    • Light-sensitive silver halide photographic element comprising a support bearing at least a light-sensitive silver halide emulsion layer and at least a protective layer being further away from the support than every silver halide emulsion layer, said protective layer containing a gelatin having a viscosity lower than 20 milliPascal per seconds in 10 weight % aqueous solution at 40.degree. C., said gelatin being hardened with a carbamoyl pyridinium salt compound having the following formula: ##STR1## wherein R.sub.1 and R.sub.2, which may be the same or different, each represents an alkyl group, an aryl group or an aralkyl group, or R.sub.1 and R.sub.2, together, constitute the atoms required to form a heterocyclic ring with the nitrogen atom to which they are bonded,R.sub.3 represents hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a carbamoyl group, or a ureido group, andR.sub.4 represents an alkylene group or a single chemical bond between the pyridinium nucleus and the --SO.sub.3 -- group.
    • 感光卤化银照相元件包括至少具有感光卤化银乳剂层的支撑体和至少一保护层,比保护层比每个卤化银乳剂层更远离支撑体,所述保护层含有粘度较低的明胶 在40℃下在10重量%水溶液中每秒20毫帕斯卡每秒,所述明胶用具有下式的氨基甲酰吡啶盐化合物硬化:其中R1和R2可以相同或不同,各自表示 烷基,芳基或芳烷基,或R 1和R 2一起构成与其键合的氮原子形成杂环所需的原子,R 3表示氢原子,卤素原子,烷基 ,烷氧基,氨基甲酰基或脲基,R4表示吡啶鎓核和-SO 3 - 基团之间的亚烷基或单个化学键。