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    • 12. 发明授权
    • Silver halide photographic light-sensitive element
    • 卤化银照相感光元件
    • US4334010A
    • 1982-06-08
    • US284164
    • 1981-07-17
    • Hiroyuki MifuneShoji IshiguroTadao ShishidoYoshiharu FuseyaTeruaki Tsujikawa
    • Hiroyuki MifuneShoji IshiguroTadao ShishidoYoshiharu FuseyaTeruaki Tsujikawa
    • C07C13/20C07D333/22C07D335/02G03C1/34
    • G03C1/34C07D333/22
    • A silver halide photographic light-sensitive element is described comprising a support having thereon at least one silver halide emulsion layer, wherein at least one compound represented by formula (I) is incorporated in the silver halide emulsion layer or in another hydrophilic colloid layer: ##STR1## wherein X represents a hydroxy group or a group represented by ##STR2## wherein R.sup.2 and R.sup.3 (which may be the same or different) each reprsents hydrogen, an alkyl group, or an aryl group; R.sup.1 represents a sulfur-containing saturated heterocyclic group or a group represented by -A-S-B, wherein A represents an alkylene group and B represents hydrogen, an alkyl group, or an aryl group; and Z represents an atomic group forming a 5-membered or 6-membered unsubstituted or substituted carbocyclic ring.In the silver halide photographic light-sensitive element, the so-called "latent image fading" phenomenon is prevented without accompanying degradation of other photograhic properties.
    • 描述了一种卤化银照相感光元件,其包括其上具有至少一个卤化银乳剂层的载体,其中至少一种由式(I)表示的化合物引入卤化银乳剂层或另一亲水胶体层中: 图像(I)其中X表示羟基或由其表示的基团,其中R2和R3(可以相同或不同)各自代表氢,烷基或芳基; R1表示含硫的饱和杂环基或由-A-S-B表示的基团,其中A表示亚烷基,B表示氢,烷基或芳基; Z表示形成5元或6元未取代或取代的碳环的原子团。 在卤化银摄影感光元件中,防止所谓的“潜像褪色”现象,而不伴随着其它光致变色性能的降低。
    • 13. 发明授权
    • Highly-sensitive high-contrast photographic materials
    • 高度敏感的高对比度感光材料
    • US4311781A
    • 1982-01-19
    • US165823
    • 1980-07-03
    • Hiroyuki MifuneShunji TakadaYoshitaka AkimuraNobuo Sakai
    • Hiroyuki MifuneShunji TakadaYoshitaka AkimuraNobuo Sakai
    • C07C67/00C07C241/00C07C243/28C07C243/38C07C253/00C07C255/57G03C1/06G03C1/08G03C1/10G03C1/28G03C5/30
    • C07C243/00C07C243/38G03C1/061G03C1/28Y10S430/15
    • A silver halide photographic material providing very high contrast and negative image photographic characteristics comprising a support having thereon at least one silver halide photographic emulsion layer containing substantially surface latent image type mono-dispersed silver halide grains and providing a negative image, at least one hydrophilic colloid layer of the photographic material containing a compound represented by the general formula (I)R.sup.1 NHNHCOR.sup.2 (I)whereinR.sup.1 represents an aryl group and R.sup.2 represents a hydrogen atom, a phenyl group, or an unsubstituted alkyl group having 1 to 3 carbon atoms;and a compound represented by the general formula (II) or (III) ##STR1## wherein R.sup.3, R.sup.4, R.sup.5 and R.sup.6, which may be the same or different, each represents a hydrogen atom, an alkyl group which may be substituted, an aryl group which may be substituted, an amino group which may be substituted, a hydroxyl group, an alkoxy group, an alkylthio group, a carbamoyl group which may be substituted, a halogen atom, a cyano group, a carboxyl group, an alkoxycarbonyl group, or a heterocyclic group; wherein R.sup.3 and R.sup.4 or R.sup.4 and R.sup.5 may combine and form a 5-membered or 6-membered ring and at least one of R.sup.3 and R.sup.5 represents a hydroxyl group and developing said photographic light-sensitive material with a developing solution containing a developing agent selected from the group consisting of a phenylenediamine compound and a combination of a 3-pyrazolidone compound with a hydroquinone compound.
    • 提供非常高的对比度和负影像照相特征的卤化银照相材料,包括其上具有至少一个含有基本上表面潜影型单分散卤化银颗粒并提供负像的卤化银照相乳剂层的载体,至少一种亲水胶体 含有通式(I)R1NHNHCOR2(I)表示的化合物的照相材料层,其中R1表示芳基,R2表示氢原子,苯基或未取代的碳原子数1〜3的烷基; 和由通式(II)或(III)表示的化合物,其中可以相同或不同的R 3,R 4,R 5和R 6各自表示氢原子, 可以被取代的烷基,可以被取代的芳基,可以被取代的氨基,羟基,烷氧基,烷硫基,可被取代的氨基甲酰基,卤素原子,氰基 基团,羧基,烷氧基羰基或杂环基; 其中R3和R4或R4和R5可以组合并形成5元或6元环,并且R 3和R 5中的至少一个表示羟基,并用含有显影剂的显影溶液显影所述照相感光材料 由苯二胺化合物和3-吡唑烷酮化合物与氢醌化合物的组合组成。
    • 18. 发明申请
    • Photothermographic material and image forming method
    • 光热成像材料和成像方法
    • US20060183063A1
    • 2006-08-17
    • US11335654
    • 2006-01-20
    • Yasuhiro YoshiokaHiroyuki Mifune
    • Yasuhiro YoshiokaHiroyuki Mifune
    • G03C1/00
    • G03C1/49818G03C1/49827G03C1/49854G03C5/17G03C2001/03558
    • A photothermographic material including, on at least one side of a support, an image forming layer including at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions, and a binder, wherein the photosensitive silver halide has an average silver iodide content of 40 mol % or higher, and the photothermographic material comprises a compound represented by the following formula (I) as the reducing agent: wherein R1, R2, R3, and R4 each independently represent a hydrogen atom or a substituent; R5 and R6 each independently represent an alkyl group, an aryl group, a heterocyclic group, an acyl group, or a sulfonyl group; and R7 represents R11—O—CO—, R12—CO—CO—, R13—NH—CO—, R14—SO2—, R15—W—C(R16)(R17)—, R19—SO2NHCO—, R20—CONHCO—, R21—SO2NHSO2—, R22—CONHSO2— or (M)1/nOSO2—. A photothermographic material, which exhibits low fog and excellent storage stability, and an image forming method are provided.
    • 一种光热成像材料,其包括至少一个支撑体的一侧,至少包含感光卤化银,非光敏有机银盐,银离子还原剂和粘合剂的成像层,其中感光卤化银 平均碘化银含量为40摩尔%以上,光热敏成像材料包含作为还原剂的下式(I)表示的化合物:其中R 1,R 2, R 3,R 3和R 4各自独立地表示氢原子或取代基; R 5和R 6各自独立地表示烷基,芳基,杂环基,酰基或磺酰基; R 7表示R 11 -O-CO-,R 12 -CO-CO-,R 13, -NH-CO-,R 14 -SO 2 - ,R 15 -WC(R 16)(R 16) R 17) - ,R 19 -SO 2 NHCO-,R 20 -CONHCO - ,R SUB > 21 NH 2 SO 2 - ,R 22 -CONHSO 2 - 或(M ) OSO 2。 提供了具有低雾度和优异的储存稳定性的光热敏成像材料和图像形成方法。
    • 19. 发明申请
    • Image forming method using photothermographic material
    • 使用光热成像材料的成像方法
    • US20060160035A1
    • 2006-07-20
    • US11327449
    • 2006-01-09
    • Yasuhiro YoshiokaHiroyuki Mifune
    • Yasuhiro YoshiokaHiroyuki Mifune
    • G03C5/16
    • G03C1/49827G03C1/0051G03C1/49818G03C1/49854G03C1/49881G03C7/32G03C2001/03558G03C2001/7425G03C2005/168
    • The invention provides an image forming method for forming an image using a photothermographic material having an image forming layer on both sides of a support, wherein the image forming layer contains at least a photosensitive silver halide, an organic silver salt, a reducing agent for silver ions represented by the following formula (I), a coupler, and a binder: wherein R1, R2, R3, and R4 each independently represent a hydrogen atom or a substituent; R5 and R6 each independently represent an alkyl group, an aryl group, a heterocyclic group, an acyl group, or a sulfonyl group; R7 represents R11—O—CO—, R12—CO—CO—, R13—NH—CO—, R14—SO2—, R15—W—C(R16)(R17)(R18)—, R19—SO2NHCO—, R20—CONHCO—, R21—SO2NHSO2—, R22—CONHSO2— or (M)1/nOSO2—; and M represents a cation having a valency of n. An image forming method using a photothermographic material which exhibits low fog and excellent storage stability is provided.
    • 本发明提供一种图像形成方法,其使用在载体的两侧具有图像形成层的光热敏成像材料形成图像,其中,图像形成层至少含有感光卤化银,有机银盐,银的还原剂 由下式(I)表示的离子,成色剂和粘合剂:其中R 1,R 2,R 3和R 4 各自独立地表示氢原子或取代基; R 5和R 6各自独立地表示烷基,芳基,杂环基,酰基或磺酰基; R 7表示R 11 -O-CO-,R 12 -CO-CO-,R 13 - NH-CO-,R 14 -SO 2 - ,R 15 -WC(R 16)(R 16) (R 18) - ,R 19 -SO 2 NHCO-,R 20, / SO 2 CO 2,-SO 2 CO 2,NH 2 SO 2 - ,R 22 -CONHSO - , - > 2 - 或(M)1 / n OSO 2 - ; 并且M表示具有n价的阳离子。 提供了使用光雾化材料的成像方法,其具有低雾度和优异的储存稳定性。