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    • 1. 发明授权
    • Photothermographic material
    • 光热成像材料
    • US06485898B2
    • 2002-11-26
    • US09754371
    • 2001-01-05
    • Yasuhiro YoshiokaKouta FukuiMakoto Suzuki
    • Yasuhiro YoshiokaKouta FukuiMakoto Suzuki
    • G03C1498
    • G03C1/49827G03C1/49845
    • A photothermographic material comprising a defined amount of a compound represented by the following general formula as a reducing agent is disclosed. In the following general formula, R1 and R1′ each independently represent an alkyl group, at least one of which is a secondary or tertiary alkyl group; R2 and R2′ each independently represent hydrogen atom or a group that can be a substituent on benzene ring; L represents —S— group or a —CH(R3)— group where R3 represents hydrogen atom or an alkyl group; and X and X′ each independently represent hydrogen atom or a group that can be a substituent on benzene ring. The photothermographic material is characterized by providing sufficient image density by heat development, and showing good silver color tone and little change with time after the development.
    • 公开了一种含有限定量的由以下通式表示的化合物作为还原剂的光热敏成像材料。 在下列通式中,R 1和R 1'各自独立地表示烷基,其中至少一个是仲或叔烷基; R2和R2'各自独立地表示氢原子或可以是苯环上的取代基的基团; L表示-S-基或-CH(R3) - 基,其中R3表示氢原子或烷基; X和X'各自独立地表示氢原子或可以作为苯环上的取代基的基团。 光热照相材料的特征在于通过热显影提供足够的图像密度,并且在显影后显示出良好的银色调和随时间的变化。
    • 5. 发明授权
    • Silver halide color photographic material
    • 卤化银彩色照相材料
    • US5348847A
    • 1994-09-20
    • US982445
    • 1992-11-27
    • Makoto SuzukiOsamu TakahashiYasuhiro ShimadaKoushin MatsuokaYasuhiro Yoshioka
    • Makoto SuzukiOsamu TakahashiYasuhiro ShimadaKoushin MatsuokaYasuhiro Yoshioka
    • C07D487/04C09B55/00G03C7/38
    • C07D487/04C09B55/009G03C7/383
    • Disclosed is a silver halide color photographic material comprising a support having thereon at least one layer containing one or more cyan couplers of formula (I): ##STR1## wherein R.sub.11 represents a branched or cyclic alkyl group, a branched or cyclic alkoxy group, a substituted aryl group, or a substituted aryloxy group; R.sub.21 represents a substituent which may optionally be substituted. R.sub.12 represents an aliphatic group, an aryl group, a heterocyclic group, an alkoxy group, an aryloxy group, an alkylamino group, an anilino group, a heterocyclic-oxy group, or a heterocyclic-amino group; R.sub.22 and R.sub.32 each represents a substituent; r.sub.2 represents an integer of from 0 to 4; provided that when r.sub.2 is a plural number, the plurality of R.sub.32 groups may be the same or different; R.sub.13, R.sub.23 and R.sub.33 each represent a hydrogen atom or a substituent; provided that the total of Taft's substituent constant .sigma.* values of R.sub.13, R.sub.23 and R.sub.33 is 1.5 or more; R.sub.43 represents a substituent. In formulae (I), (II) and (III), X.sub.1, X.sub.2 and X.sub.3 each represents a hydrogen atom, or a group which is capable of splitting off from the formula by a coupling reaction with an oxidation product of an aromatic primary amine color developing agent; and the group of R.sub.11, R.sub.21 or X.sub.1, the group of R.sub.12, R.sub.22, R.sub.32 or X.sub.2, or the group of R.sub.13, R.sub.23, R.sub.33, R.sub.43 or X.sub.3 may be a divalent group to form a dimer or a higher polymer or to bond to a polymer chain to form a homopolymer or a copolymer. The material forms a color image with good color hue and color fastness. It is hardly fogged, and the dyes formed from the couplers hardly associate with each other in the material.
    • 公开了一种卤化银彩色照相材料,其包括其上具有至少一层含有一种或多种式(I)的青色成色剂的载体的载体:其中R 11表示(ⅰ) 支链或环状烷基,支链或环状烷氧基,取代芳基或取代芳氧基; R 21表示可任选被取代的取代基。 R 12表示脂肪族基,芳基,杂环基,烷氧基,芳氧基,烷基氨基,苯胺基,杂环氧基或杂环氨基。 R 22和R 32各自表示取代基; r2表示0〜4的整数, 条件是当r2是多个数时,多个R32基团可以相同或不同; R 13,R 23和R 33各自表示氢原子或取代基; 条件是R13,R23和R33的塔夫脱取代基常数σ*值为1.5以上; R43表示取代基。 在式(I),(II)和(III)中,X 1,X 2和X 3各自表示氢原子,或者可以通过与芳族伯胺的氧化产物的偶联反应从式分解的基团 彩色显影剂; 并且R 11,R 21或X 1,R 12,R 22,R 32或X X,或R 13,R 23,R 33,R 43或X 3的基团可以是二价基团以形成二聚体或更高级的聚合物或键合 到聚合物链以形成均聚物或共聚物。 该材料形成具有良好色调和色牢度的彩色图像。 它几乎不起雾,并且由成色剂形成的染料在材料中几乎不相互关联。
    • 8. 发明授权
    • Photothermographic material
    • 光热成像材料
    • US06696237B1
    • 2004-02-24
    • US09695864
    • 2000-10-26
    • Yasuhiro YoshiokaMakoto Suzuki
    • Yasuhiro YoshiokaMakoto Suzuki
    • G03C1498
    • G03C1/49827G03C1/49863
    • Disclosed is a photothermographic material comprising, on one side of a support, a photosensitive silver halide, a non-photosensitive silver salt of an organic acid, a reducing agent for silver ions and a binder, which is characterized by containing one or more phenol compounds as the reducing agent and one or more compounds satisfying at least one of the following requirements A and B in combination: A: the hydrogen bond formation rate constant Kf is 20-4000, B: the chemical structure is represented by the following formula (II), (III), (IV) or (V) (R21 and others represent an alkyl group etc.), or has a phosphoryl group. According to the present invention, there is provided a photothermographicmaterial that can provide sufficient image density at practical reaction temperatures (specifically 100-140° C.) with practical reaction times (specifically 1-30 seconds), and can sufficiently suppress coloration of blank portions during storage in the dark after development.
    • 公开了一种光热敏成像材料,其在载体的一面上包含感光卤化银,有机酸的非感光银盐,银离子还原剂和粘合剂,其特征在于含有一种或多种酚化合物 作为还原剂和一种或多种满足以下要求A和B中的至少一种组合的化合物:A:氢键形成速率常数Kf为20-4000,B:化学结构由下式(II ),(III),(IV)或(V)(R 21等)代表烷基等),或具有磷酰基。 根据本发明,提供一种能够在实际的反应时间(具体为1-30秒)的实际反应温度(特别是100-140℃)下提供足够的图像密度的光热敏成像材料,并且可以充分抑制毛坯部分的着色 在黑暗中储存后开发。
    • 9. 发明授权
    • Information selecting apparatus and storage medium storing information selecting program
    • 信息选择装置和存储信息选择程序的存储介质
    • US07884802B2
    • 2011-02-08
    • US11802330
    • 2007-05-22
    • Yasuhiro Yoshioka
    • Yasuhiro Yoshioka
    • G09G5/00
    • G06F3/0482G06F3/0234G06F3/0236G06F3/0237G06F3/0338
    • An information selecting apparatus includes a computer, and makes a user select an arbitrary item from a plurality of items by a direction input of the user. Each of the items is assigned to a direction based on an input frequency, for example. In a case that a direction input is performed by means of a polygonal guide, the items are assigned to directions corresponding to the vertexes of the guide and directions corresponding to the parts except for the vertexes. For example, a high-frequency item is assigned to the direction corresponding to the vertex, or a range of the direction assigned to the high-frequency item is relatively made larger. Furthermore, when a direction corresponding to the vertex is input, items assigned to the parts except for the vertexes may temporarily be assigned to other vertexes. In addition, when predetermined operation data is input, the items of the directions corresponding to the vertexes and the items of the directions corresponding to the parts except for the vertexes may be interchanged.
    • 信息选择装置包括计算机,并且使用户通过用户的方向输入从多个项目中选择任意项目。 例如,将每个项目分配给基于输入频率的方向。 在通过多边形引导执行方向输入的情况下,将项目分配给与引导件的顶点相对应的方向和与除顶点之外的部分相对应的方向。 例如,将高频项目分配给与顶点对应的方向,或者分配给高频项目的方向的范围相对较大。 此外,当输入与顶点对应的方向时,分配给除顶点之外的部分的项目可以暂时分配给其他顶点。 此外,当输入预定的操作数据时,与顶点对应的方向的项目和与顶点相对应的方向的项目可以互换。