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    • 1. 发明授权
    • Photothermographic material and method for forming images
    • 光热成像材料和形成图像的方法
    • US07229753B2
    • 2007-06-12
    • US09809178
    • 2001-03-16
    • Toyohisa OyaKouta FukuiYasuhiro YoshiokaKazunobu Katoh
    • Toyohisa OyaKouta FukuiYasuhiro YoshiokaKazunobu Katoh
    • G03C1/498
    • G03C1/49827G03C1/061G03C1/49845Y10S430/166
    • A photothermographic material comprising at least (a) a photosensitive silver halide, (b) a reducible silver salt, (c) a reducing compound represented by the following general formula (1), and (d) a binder: Q1—NHNH—R1:   Formula (1) wherein, in the general formula (1), Q1 represents a 5- to 7-membered unsaturated ring bonding to NHNH—R1 at a carbon atom, and R1 represents a carbamoyl group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a sulfonyl group or a sulfamoyl group, provided that when R1 is propylcarbamoyl group, Q1 is not 2,3,5,6-tetrachloro-4-cyanophenyl group. According to the present invention, there is provided a novel photothermographic materials showing high sensitivity, high development speed and little fluctuation of performance due to heat development temperature variation.
    • 一种光热成像材料,其至少包含(a)光敏卤化银,(b)可还原的银盐,(c)由以下通式(1)表示的还原化合物和(d)粘合剂: -formulae description =“In-line Formulas”end =“lead”?> Q <1> -NHNH-R 1:式(1)<? 其中,在通式(1)中,Q 1表示与NHNH-R键合的5至7元不饱和环, SUP> 1,R 1表示氨基甲酰基,酰基,烷氧基羰基,芳氧基羰基,磺酰基或氨磺酰基,条件是当 R 1是丙基氨基甲酰基,Q 1不是2,3,5,6-四氯-4-氰基苯基。 根据本发明,提供了一种新型光热敏成像材料,其显示出高灵敏度,高显影速度,并且由于显影温度变化而导致性能波动小。
    • 3. 发明授权
    • Photothermographic material
    • 光热成像材料
    • US06645714B2
    • 2003-11-11
    • US09809318
    • 2001-03-16
    • Toyohisa OyaKazunobu Katoh
    • Toyohisa OyaKazunobu Katoh
    • G03C1498
    • G03C1/49827G03C1/061G03C1/49845Y10S430/166
    • A photothermographic material comprising at least (a) a photosensitive silver halide, (b) a reducible silver salt, (c) a reducing agent represented by the following formula (1), (d) a binder, and (e) a phenol compound represented by the following formula (2) on the same side of a support: wherein, in the formula (1), V1 to V8 each independently represent hydrogen atom or a substituent, L represents a bridging group consisting of —CH(V9)— or —S—, and V9 represents hydrogen atom or a substituent; wherein, in the formula (2), R1 and R2 each independently represent hydrogen atom or a substituent, X1 to X3 each independently represent hydrogen atom or a substituent, provided that the substituents represented by X1 to X3 do not represent hydroxy group, and when the substituents represented by X1 to X3 are bonded to the phenol ring via nitrogen atoms, X1 to X3 represent a nitrogen-containing heterocyclic group or a group represented as —NH—C(═O)—R4 where R4 represents a substituent having 8-40 carbon atoms, or the substituents represented by R1, R2 and X1 to X3 may be bound to each other to form a ring. There is provided a photothermographic material, in particular, for photographic art, more specifically, for scanners, image setters and so forth, that shows high sensitivity, high Dmax (maximum density) and low fog and can provide images suitable for photographic art.
    • 一种光热成像材料,其至少包含(a)光敏卤化银,(b)可还原银盐,(c)由下式(1)表示的还原剂,(d)粘合剂和(e)酚化合物 在式(1)中,V 1至V 8各自独立地表示氢原子或取代基,L表示由以下式(2)组成的桥连基团: -CH(V 9) - 或-S-,V 9表示氢原子或取代基;其中,在式(2)中,R 1和R 2各自独立地表示氢原子或 取代基X 1〜X 3各自独立地表示氢原子或取代基,条件是X 1〜X 3表示的取代基不表示羟基,当X < 1〜X 3通过氮原子与酚环结合,X 1〜X 3表示含氮杂环基或表示为-NH-C(= O)-R 4的基团 >其中R 4代表 表示具有8-40个碳原子的取代基,或者由R 1,R 2和X 1至X 3表示的取代基可以彼此结合形成环。 提供了一种光热照相材料,特别是用于照相艺术,更具体地,用于扫描器,图像设定器等,其显示出高灵敏度,高Dmax(最大密度)和低雾度并且可以提供适合于摄影艺术的图像。
    • 6. 发明授权
    • Photothermographic material and method for forming images
    • 光热成像材料和形成图像的方法
    • US06593069B2
    • 2003-07-15
    • US09809024
    • 2001-03-16
    • Toyohisa OyaKazunobu KatohShigeo Hirano
    • Toyohisa OyaKazunobu KatohShigeo Hirano
    • G03C134
    • G03C1/49845G03C1/49827G03C7/305Y10S430/166
    • A photothermographic material comprising at least (a) a photosensitive silver halide, (b) a reducible silver salt, (c) a reducing compound represented by the following formula (1) or (2), (d) a binder and (e) a coupler compound on the same side of a support: wherein, in the formula (1), V1 to V4 each independently represent hydrogen atom or a substituent, and V5 represents a substituted or unsubstituted alkyl group, aryl group or heterocyclic group: Q1—NHNH—V6  (2) wherein, in the formula (2), Q1 represents a 5- to 7-membered unsaturated ring bonding to NHNH—V6 at a carbon atom, and V6 represents a carbamoyl group, an acyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a sulfonyl group or a sulfamoyl group. The photothermographic material of the present invention shows good photographic properties including sensitivity, fog and so forth, and enables control of color tone of the photothermographic material in an arbitrary wavelength region even as a monosheet type photothermographic material.
    • 一种光热成像材料,其至少包含(a)感光卤化银,(b)可还原的银盐,(c)由下式(1)或(2)表示的还原化合物,(d)粘合剂和(e) 其中在式(1)中,V1至V4各自独立地表示氢原子或取代基,V5表示取代或未取代的烷基,芳基或杂环基:其中, 在式(2)中,Q1表示在碳原子上与NHNH-V6键合的5至7元不饱和环,V 6表示氨基甲酰基,酰基,烷氧基羰基,芳氧基羰基,磺酰基 或氨磺酰基。本发明的光热敏成像材料显示出良好的照相性质,包括灵敏度,雾度等,并且即使作为单片型光热敏成像材料也能够控制光热成像材料在任意波长区域中的色调。
    • 8. 发明申请
    • Photothermographic material
    • 光热成像材料
    • US20070134603A9
    • 2007-06-14
    • US10622668
    • 2003-07-21
    • Yasuhiro YoshiokaToyohisa Oya
    • Yasuhiro YoshiokaToyohisa Oya
    • G03C1/498
    • G03C1/49827G03C1/49818G03C1/49845G03C1/49881G03C7/30541G03C2007/3025G03C2200/52
    • The present invention provides a photothermographic material comprising a substrate, and a photosensitive silver halide, a non-photosensitive organic silver salt, reducing agents for thermal development and a binder which are provided on the substrate, wherein: the reducing agents for thermal development include a reducing agent which does not form a dye during thermal development and a reducing agent which forms a dye during thermal development; and the reducing agent which forms a dye has higher activity than that of the reducing agent which does not form a dye. It is preferable that the reducing agent which forms a dye at thermal development and has a specific chemical structure is contained in an amount of 40% by mol or less relative to a total amount of the reducing agents.
    • 本发明提供了一种光热敏成像材料,其包含基材,感光卤化银,非光敏有机银盐,用于热显影的还原剂和粘合剂,其设置在基材上,其中:用于热显影的还原剂包括 在热显影期间不形成染料的还原剂和在热显影期间形成染料的还原剂; 并且形成染料的还原剂比不形成染料的还原剂的活性高。 相对于还原剂的总量,优选以热显影形成染料的具有特定化学结构的还原剂的含量为40摩尔%以下。