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    • 42. 发明授权
    • Silver halide photographic material
    • 卤化银照相材料
    • US5604088A
    • 1997-02-18
    • US504543
    • 1995-07-20
    • Masahiro AsamiKen Kawata
    • Masahiro AsamiKen Kawata
    • G03C1/035G03C1/047G03C1/12G03C1/28G03L1/20
    • C09B23/0066C09B23/0075G03C1/035G03C1/047G03C1/127G03C1/28
    • A silver halide color photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer, wherein the silver halide emulsion layer contains a silver halide emulsion sensitized by a methine dye represented by following formula (I) and the total content of calcium in the photographic constituting layers on the support is not more than 10 mg/m.sup.2 ; ##STR1## wherein Q represents a non-metallic atomic group necessary for forming a 5-membered or 6-membered ring; R.sub.1 to R.sub.11 each represents a hydrogen atom or a substituent, however, at least one of R.sub.1 to R.sub.3 represents a group containing an aromatic group and R.sub.4 and R.sub.5 are not a hydrogen atom; L.sub.1 to L.sub.3 each represents a methine group; n represents an integer of from 0 to 6; M represents a counter ion neutralizing an electrostatic charge; and m represents 0 or 1;The material provides an excellent stability showing less deviation of the performance at the production thereof and provides an excellent processing stability and less depositions in processing liquids and thus forms less streaks even in continuous processing.
    • 一种卤化银彩色照相材料,其包括其上具有至少一个感光卤化银乳剂层的载体,其中所述卤化银乳剂层含有由下式(I)表示的次甲基染料敏化的卤化银乳剂, 载体上的照相构成层中的钙不大于10mg / m 2; (I)其中Q表示形成5元或6元环所必需的非金属原子团; R 1〜R 11各自表示氢原子或取代基,但R 1〜R 3中的至少一个表示含有芳基的基团,且R 4,R 5不是氢原子。 L1〜L3各自表示次甲基; n表示0〜6的整数, M表示中和静电电荷的抗衡离子; m表示0或1; 该材料提供优异的稳定性,其在生产时的性能偏差较小,并且在加工液体中提供优异的加工稳定性和较少的沉积,因此即使在连续加工中也形成较少的条纹。
    • 45. 发明授权
    • Heat-developable color light-sensitive material
    • 可热显色的感光材料
    • US5017454A
    • 1991-05-21
    • US394983
    • 1989-08-17
    • Takeshi NakamineKen KawataToshiki Taguchi
    • Takeshi NakamineKen KawataToshiki Taguchi
    • G03C8/08G03C1/498G03C8/40
    • G03C1/49827
    • A heat-developable color light sensitive material comprising a support having thereon at least a light-sensitive silver halide, a binder, a non-diffusible compound capable of releasing a diffusible dye upon reduction, an electron donor compound and an electron transfer agent, said electron transfer agent being represented by formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, each represents hydrogen, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group; R.sub.5 represents a halogen atom, a hydroxyl group, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted alkoxy group; R.sub.6, R.sub.7, R.sub.8 and R.sub.9, which may be the same or different, each represents hydrogen, a halogen atom, a hydroxyl group, a carboxyl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted acyl group, a substituted or unsubstituted alkoxycarbonyl group, a substituted or unsubstituted acyloxy group, a substituted or unsubstituted carbamoyl group, a substituted or unsubstituted acylamino group, a substituted or unsubstituted sulfamoyl group, a substituted or unsubstituted sulfonamido group, a substituted or unsubstituted urethane group, a substituted or unsubstituted ureido group. The heat-developable color light-sensitive material provides an image having a superior S/N ratio and improved preservability over time.
    • 一种可热显色的感光材料,其包括其上具有至少一种感光卤化银,粘合剂,还原后能够释放可扩散染料的不扩散化合物,电子给体化合物和电子转移剂的支持体,所述 电子转移剂由式(I)表示:其中R 1,R 2,R 3和R 4可以相同或不同,各自表示氢,取代或未取代的烷基或取代或未取代的烷基 芳基; R5表示卤素原子,羟基,取代或未取代的烷基或取代或未取代的烷氧基; R 6,R 7,R 8和R 9可以相同或不同,各自表示氢,卤素原子,羟基,羧基,取代或未取代的烷基,取代或未取代的芳基,取代或未取代的 烷氧基,取代或未取代的氨基,取代或未取代的酰基,取代或未取代的烷氧基羰基,取代或未取代的酰氧基,取代或未取代的氨基甲酰基,取代或未取代的酰氨基,取代或未取代的氨磺酰 取代或未取代的亚磺酰氨基,取代或未取代的氨基甲酸酯基,取代或未取代的脲基。 可热显色的感光材料提供具有优异的S / N比和随时间改进的保存性的图像。
    • 47. 发明授权
    • Heat developable light-sensitive material
    • 热可显影的感光材料
    • US4619888A
    • 1986-10-28
    • US769297
    • 1985-08-26
    • Ken KawataYoshiharu YabukiKouzou SatoHiroyuki Hirai
    • Ken KawataYoshiharu YabukiKouzou SatoHiroyuki Hirai
    • G03C8/40C07C279/04C07D303/48G03C1/06G03C1/498G03C7/00G03C1/02
    • G03C1/49845C07C279/04C07D303/48Y10S430/156
    • A heat developable light-sensitive material comprising a support and a heat developable light-sensitive layer formed thereon can produce images of high density and less fog in a short period of time and has excellent aging stability. The light-sensitive material contains as a base precursor at least one compound selected from the group consisting of compounds represented by formula [I]: ##STR1## wherein R.sup.1 and R.sup.2 individually represent hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, aryl, aralkyl, heterocyclic group, or --CO.sub.2 M wherein M represents hydrogen, alkali metal or H.Bx, and R.sup.1 and R.sup.2 can be joined together to form a ring; R.sup.3 represents hydrogen atom, alkyl, cycloalkyl, alkenyl, alkynyl, aralkyl, aryl, or heterocyclic group; x is equal to 1 when B represents a monoacidic base and equal to 1/2 when B represents a diacidic base; and C* represents an asymmetric carbon atom.
    • 包括支撑体和形成在其上的可热显影的感光层的可热显影的感光材料可以在短时间内产生高密度和较少雾的图像,并且具有优异的老化稳定性。 感光材料含有至少一种选自由式[I]表示的化合物的化合物作为碱性前体:其中R 1和R 2各自表示氢,烷基,环烷基,烯基,炔基, 芳基,芳烷基,杂环基或-CO 2 M,其中M表示氢,碱金属或H.Bx,并且R 1和R 2可以连接在一起形成环; R3表示氢原子,烷基,环烷基,烯基,炔基,芳烷基,芳基或杂环基; 当B表示一酸基时x等于1,当B表示二酸碱时,x等于1/2; C *表示不对称碳原子。