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    • 2. 发明授权
    • Development processing method
    • 开发处理方法
    • US5972580A
    • 1999-10-26
    • US976342
    • 1997-11-21
    • Kouta FukuiKohzaburoh Yamada
    • Kouta FukuiKohzaburoh Yamada
    • G03C5/29G03C1/06G03C1/295G03C5/30G03C5/305G03C5/31
    • G03C1/061G03C5/30
    • A development processing method comprises: exposing a silver halide light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion layer; and developing said exposed light-sensitive material with a developing solution, wherein at least one of said silver halide emulsion layer and other hydrophilic colloidal layers contains at least one hydrazine derivative, and wherein said developing solution is substantially free from a dihydroxybenzene compound, has a pH of from 9.0 to 10.5, and contains (1) at least one ascorbic acid derivative developing agent, (2) at least one aminophenol auxiliary developing agent and (3) a specific mercaptopyrimidine compound. The processing method provides a high-contrast image required in the field of graphic arts using a developing solution having no problem with respect to the ecosystem and working environment, without causing silver stain even at a low replenishment rate.
    • 显影处理方法包括:将包含其上具有至少一个感光卤化银乳剂层的载体的卤化银感光材料曝光; 并用显影液显影所述曝光的感光材料,其中所述卤化银乳剂层和其它亲水性胶体层中的至少一种含有至少一种肼衍生物,并且其中所述显影液基本上不含二羟基苯化合物,具有 pH为9.0〜10.5,含有(1)至少一种抗坏血酸衍生物显影剂,(2)至少一种氨基苯酚辅助显影剂和(3)特定巯基嘧啶化合物。 处理方法提供了使用相对于生态系统和工作环境没有问题的显影方案在图形领域中所需的高对比度图像,即使在低补充速率下也不引起银染。
    • 4. 发明授权
    • Development processing method
    • 开发处理方法
    • US5976758A
    • 1999-11-02
    • US995146
    • 1997-12-19
    • Kouta FukuiSenzo SasaokaKohzaburoh Yamada
    • Kouta FukuiSenzo SasaokaKohzaburoh Yamada
    • G03C5/29G03C1/06G03C1/295G03C5/30G03C5/305G03C5/31
    • G03C5/305G03C1/061G03C5/30G03C5/31
    • A development processing method which comprises the steps of: imagewise exposing a silver halide photographic light-sensitive material; and developing the exposed photographic material with a developing solution, wherein the silver halide photographic material comprises a support having thereon at least one light-sensitive silver halide emulsion layer, at least one of the silver halide emulsion layer and other hydrophilic colloidal layers containing at least one hydrazine derivative; and wherein the developing solution is substantially free from a dihydroxybenzene compound, has a pH of from 9.0 to 10.5 and contains (1) at least one ascorbic acid developing agent, (2) at least one 1-phenyl-3-pyrazolidone auxiliary developing agent and (3) a compound represented by the following formula (I): ##STR1## wherein R.sub.1 to R.sub.4 may be the same or different and each represents a hydrogen atom, a halogen atom or a substituent group bonded to the ring in formula (I) by a carbon atom, a nitrogen atom, an oxygen atom, a sulfur atom or a phosphorus atom, with the proviso that neither R.sub.1 nor R.sub.3 represents a hydroxyl group and that at least one of R.sub.1 to R.sub.4 is an --SM group, wherein M represents a hydrogen, atom, an alkali metal atom or an ammonium group.
    • 一种显影处理方法,包括以下步骤:将卤化银照相感光材料成像曝光; 并用显影液显影所述曝光的照相材料,其中所述卤化银照相材料包括其上具有至少一个感光卤化银乳剂层的载体,所述卤化银乳剂层和至少含有至少一种 一种肼衍生物; 并且其中所述显影液基本上不含二羟基苯化合物,其pH为9.0〜10.5,并含有(1)至少一种抗坏血酸显影剂,(2)至少一种1-苯基-3-吡唑烷酮辅助显影剂 和(3)由下式(I)表示的化合物:其中R 1至R 4可以相同或不同,并且各自表示通过式(I)中与环结合的氢原子,卤素原子或取代基, 碳原子,氮原子,氧原子,硫原子或磷原子,条件是R1和R3都不表示羟基,并且R1至R4中的至少一个为-SM基团,其中M表示 氢原子,碱金属原子或铵基。
    • 7. 发明授权
    • Photothermographic material and image forming method
    • 光热成像材料和成像方法
    • US07132229B2
    • 2006-11-07
    • US11179766
    • 2005-07-13
    • Kouta Fukui
    • Kouta Fukui
    • G03C1/00
    • G03C1/49845G03C2200/33Y10S430/165
    • A photothermographic material having an image forming layer containing at least a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent, and a binder, and a non-photosensitive layer on at least one side of a support, in which the binder is a hydrophilic binder, the non-photosensitive layer contains gelatin or a gelatin derivative, the reducing agent is a compound represented by the following formula (R), and at least one compound represented by the following formula (I) or (II) is contained: (wherein in formula (R), R11 and R11′ each independently represent an alkyl group and at least one of R11 and R11′ is a secondary or tertiary alkyl group); (wherein in the formula (I), Q represents an atomic group necessary for forming a 5 or 6-membered imide ring); and (wherein in the formula (II), R5 independently represents a hydrogen atom or a substituent, r represents 0, 1, 2, 3 or 4, and X represents O, S, Se or N(R6)). A photothermographic material that is excellent in coated surface state and has high image quality, and an image forming method are provided.
    • 一种具有至少含有感光卤化银,非感光性有机银盐,还原剂和粘合剂的图像形成层和在支撑体的至少一侧上的非感光层的光热敏成像材料,其中, 粘合剂是亲水性粘合剂,非感光层含有明胶或明胶衍生物,还原剂为下式(R)表示的化合物,和至少一种下式(I)或(II)表示的化合物, 含有:(式中,R 11,R 11和R 11'各自独立地表示烷基,R 11〜 >和R 11'是仲或叔烷基); (式(I)中,Q表示形成5或6元酰亚胺环所必需的原子团); 式(II)中,R 5独立地表示氢原子或取代基,r表示0,1,2,3或4,X表示O,S,Se或N (R 6))。 提供了具有优异的涂布表面状态并且具有高图像质量的光热敏成像材料和图像形成方法。
    • 8. 发明申请
    • Black-and-white photothermographic material
    • 黑白光热照相材料
    • US20050202356A1
    • 2005-09-15
    • US11072531
    • 2005-03-07
    • Kouta Fukui
    • Kouta Fukui
    • G03C1/498G03C1/00G03C1/76
    • G03C1/49809G03C1/49863
    • The invention provids a black-and-white photothermographic material comprising a support and an image-forming layer containing a photosensitive silver halide, a non-photosensitive organic silver salt, a reducing agent for silver ions, and a binder on one side of the support, wherein a hydrophilic binder constitutes 50 mass % or more of the binder. The non-photosensitive organic silver salt contains at least one kind selected from the group consisting of a silver salt of a nitrogen-containing heterocyclic compound and a silver salt of a mercapto compound. The photothermographic material comprises a fluorine compound having a fluorinated alkyl group with at least 2 carbon atoms and at most 12 fluorine atoms.
    • 本发明提供一种黑白光热敏成像材料,其包括载体和含有感光卤化银,非感光性有机银盐,银离子还原剂和载体一侧的粘合剂的图像形成层 其中亲水性粘合剂构成粘合剂的50质量%以上。 非感光性有机银盐含有选自含氮杂环化合物的银盐和巯基化合物的银盐中的至少一种。 光热成像材料包括具有至少2个碳原子和至多12个氟原子的氟化烷基的氟化合物。