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    • 3. 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。
    • 4. 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。
    • 7. 发明授权
    • Development processing method
    • 开发处理方法
    • US5888708A
    • 1999-03-30
    • US014570
    • 1998-01-28
    • Kouta FukuiSenzo Sasaoka
    • Kouta FukuiSenzo Sasaoka
    • G03C5/29G03C1/035G03C1/06G03C1/12G03C5/30G03C5/305G03C5/31
    • G03C1/035G03C1/061G03C5/30
    • A development processing method comprising developing a silver halide photographic material with a developing solution, (i) wherein the silver halide photographic material comprises a support having thereon at least one light-sensitive silver halide emulsion layer and contains: (a) at least two kinds of light-sensitive silver halide emulsions which are each spectrally sensitized and have sensitivities different from each other with respect to a certain exposure wavelength; and (b) at least one hydrazine derivative in at least one of the silver halide emulsion layer and other hydrophilic colloidal layers, and (ii) 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 and (2) at least one auxiliary developing agent represented by the following general 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 a hydrogen atom or a substituent group; and R.sub.5 and R.sub.6, which may be the same or different, each represents an alkyl group, an aryl group, an aralkyl group or a heterocyclic group.
    • 一种显影处理方法,包括用显影液显影卤化银照相材料,(i)其中所述卤化银照相材料包含其上具有至少一种感光卤化银乳剂层的载体,并且包含:(a)至少两种 的感光卤化银乳剂,其各自的光谱增感和相对于一定的曝光波长具有彼此不同的灵敏度; 和(b)至少一种卤化银乳剂层和其它亲水性胶体层中的肼衍生物,和(ii)其中显影液基本上不含二羟基苯化合物,其pH为9.0〜10.5, 含有:(1)至少一种抗坏血酸显影剂和(2)由以下通式(I)表示的至少一种辅助显影剂:y相同或不同,各自表示氢原子或取代基; R 5和R 6可以相同或不同,表示烷基,芳基,芳烷基或杂环基。
    • 10. 发明授权
    • Method for developing silver halide photographic light-sensitive material
    • 卤化银摄影感光材料的开发方法
    • US5691108A
    • 1997-11-25
    • US736425
    • 1996-10-24
    • Mitsunori HiranoKouta Fukui
    • Mitsunori HiranoKouta Fukui
    • G03C5/26G03C1/06G03C1/295G03C5/29G03C5/30G03C5/305G03C5/31G03C5/315
    • G03C5/30G03C1/061G03C1/295G03C5/305G03C5/31
    • A process for developing a silver halide photographic light-sensitive material is disclosed, comprising processing, after exposure, a silver halide photographic light-sensitive material which comprises a support having thereon at least one light-sensitive silver halide emulsion layer, the emulsion layer or other hydrophilic colloid layer containing a hydrazine-base nucleating agent having an anionic group in the vicinity of the hydrazine group or a nonionic group of forming an intramolecular hydrogen bond with the hydrogen atom of the hydrazine, or containing at least one hydrazine nucleating agent selected from the compounds represented by formula (I), and a nucleating accelerator, with a developer having a pH of from 9.0 to 11.0 and containing: (1) from 0.2 to 0.75 mol/l of a dihydroxybenzene-base developing agent, (2) from 0.001 to 0.06 mol/l of a 1-phenyl-3-pyrazolidone-base or p-aminophenol-base auxiliary developing agent, (3) from 0.3 to 1.2 mol/l of free sulfite ions, and (4) a compound represented by formula (II); wherein the replenishing amount of the developer is 225 ml/m.sup.2 or less.
    • 公开了一种用于显影卤化银照相感光材料的方法,其包括在曝光后处理卤化银照相感光材料,其包括其上具有至少一种感光卤化银乳剂层的载体,乳剂层或 含有在肼基附近具有阴离子基团的肼基成核剂或与肼的氢原子形成分子内氢键的非离子基团的其它亲水胶体层,或含有至少一种选自以下的肼成核剂: 由式(I)表示的化合物和成核促进剂,其显影剂的pH为9.0〜11.0,含有:(1)0.2〜0.75mol / l的二羟基苯基显影剂,(2) 0.001〜0.06mol / l的1-苯基-3-吡唑烷酮碱或对氨基苯酚类辅助显影剂,(3)0.3〜1.2mol / l游离亚硫酸根离子,(4)a 由式(II)表示的化合物; 其中显影剂的补充量为225ml / m 2以下。