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    • 33. 发明授权
    • Heat development image forming process thermally decoloring image recording process and process for decoloring cyanine dye
    • 热显影图像形成工艺热脱色图像记录工艺和脱色花青染料的工艺
    • US06306566B2
    • 2001-10-23
    • US09175952
    • 1998-10-21
    • Masami SakuradaMasaki NoroItsuo FujiwaraYoshiharu Yabuki
    • Masami SakuradaMasaki NoroItsuo FujiwaraYoshiharu Yabuki
    • G03C1494
    • B41M5/28G03C1/49854G03C1/832
    • A heat developable light-sensitive material comprises a support, a light-sensitive layer and a non-light-sensitive layer. The light-sensitive layer contains silver halide and a reducing agent. The non-light-sensitive layer contains a cyanine dye represented by the formula (I) or a salt thereof and a base precursor: in which R1 is hydrogen, an aliphatic group, an aromatic group, —NR21R24, —OR21 or —SR21, each of R21 and R24 independently is hydrogen, an aliphatic group or an aromatic group, or R21 and R24 are combined to form a nitrogen-containing heterocyclic ring; R2 is hydrogen, an aliphatic group or an aromatic group; R3 is an aliphatic group; L1 is a methine chain consisting of an odd number of methines; and each of Z1 and Z2 independently is an atomic group forming a five-membered or six-membered nitrogen-containing heterocyclic ring. A heat development image forming process, a thermal image recording material, a thermally decoloring image recording process and a process for decoloring a cyanine dye are also disclosed.
    • 可热显影的感光材料包括支撑体,感光层和非感光层。 感光层含有卤化银和还原剂。 非光敏层含有由式(I)表示的花青染料或其盐和碱前体:其中R 1是氢,脂族基,芳基,-NR 21 R 24,-OR 21或-SR 21, R 21和R 24各自独立地为氢,脂族基团或芳族基团,或R 21和R 24结合形成含氮杂环; R2是氢,脂族基或芳基; R3是脂族基团; L1是由奇数个次甲基组成的次甲基链; Z1和Z2各自独立地为形成五元或六元含氮杂环的原子团。 还公开了热显影图像形成方法,热图像记录材料,热脱色图像记录方法和花青染料脱色方法。
    • 37. 发明授权
    • Color image recording method
    • 彩色图像记录方法
    • US5096801A
    • 1992-03-17
    • US503643
    • 1990-04-03
    • Keizo KoyaKozo SatoYoshiharu YabukiHiroshi Hara
    • Keizo KoyaKozo SatoYoshiharu YabukiHiroshi Hara
    • G02F1/1335G03F1/56G03F7/00G03F7/028
    • G03F1/56G02F1/133516G03F7/0007G03F7/028
    • A novel color image recording method is provided, which comprises exposing to light a light-sensitive material obtained by dispersing a composition containing at least a photopolymerization initiator, a color image-forming substance and a polymerizable compound in a hydrophilic binder and then coating said dispersion on a support, subjecting said polymerizable compound in the exposed portions to polymerization, and then (a) eluting said color image-forming substance contained in the unpolymerized polymerizable compound in the unexposed portions with an alkaline aqueous solution or (b) subjecting said color image-forming substance contained in the unpolymerized polymerizable compound in the unexposed portions to chemical change so that it is discolored, thereby forming dye images.
    • 提供一种新颖的彩色图像记录方法,其包括通过将含有至少一种光聚合引发剂,彩色成像物质和可聚合化合物的组合物分散在亲水性粘合剂中而获得的感光材料曝光,然后涂布所述分散体 在支持体上使暴露部分中的所述可聚合化合物进行聚合,然后(a)用碱性水溶液洗脱未曝光部分中包含的未聚合的可聚合化合物中的所述彩色图像形成物质,或(b)使所述彩色图像 包含在未曝光部分中的未聚合的可聚合化合物中的化合物质化学变化,使其变色,从而形成染料图像。
    • 40. 发明授权
    • Heat developable photosensitive material
    • 热显影感光材料
    • US4639418A
    • 1987-01-27
    • US768282
    • 1985-08-22
    • Yoshiharu YabukiKozo SatoKen KawataHiroyuki Hirai
    • Yoshiharu YabukiKozo SatoKen KawataHiroyuki Hirai
    • G03C8/40C07C279/04C07F9/40C07F9/53G03C1/06G03C1/498G03C7/00G03C1/02
    • G03C1/49845C07C279/04C07F9/4006C07F9/5304Y10S430/156
    • A heat developable photosensitive material comprising a support having thereon at least one light-sensitive layer comprising light-sensitive silver halide and a binder, wherein at least one layer contains a base precursor represented by the following general formula (I): ##STR1## wherein at least one of X, Y and Z, which may be the same or different, represents an electron-attractive substituent selected from the group (a) consisting of a halogen atom, a nitro group, an alkysulfinyl group, an arylsulfinyl group, an acyl group, a sulfamoyl group, a sulfamoyl group substituted with an aryl group, a substituted aryl group, an alkyl group or a substituted alkyl group, a carbamoyl group, a substituted carbamoyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, an aryloxysulfonyl groups ##STR2## a nitroso group, ##STR3## wherein B is defined as in general formula (I), and R, R.sup.1 and R.sup.2 each represents a hydrogen atom, an alkyl group or an aryl group, and the alkyl or aryl moiety of these groups may be further substituted;the remainder of X, Y and Z being selected from the group (b) consisting of a hydrogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, an alkynyl group, an aryl group, an aralkyl group, a silyl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group and a hydroxy group, wherein the alkyl and aryl moieties may be further substituted with a substituent other than a perhaloalkyl group containing up to 3 carbon atoms,provided that at least one of X, Y and Z represents a group other than a halogen or a nitro group, and any two of X, Y and Z may combine to form a ring;B represents a mono-acidic or di-acidic base having a pKa value of at least 7 and containing not more than 12 carbon atoms; andn and m each represents 1 or 2, provided that the net charge of the compound is zero.
    • 一种可显影的感光材料,包括其上具有至少一个包含感光卤化银和粘合剂的感光层的载体,其中至少一层含有由以下通式(I)表示的碱前体: I),其中X,Y和Z中的至少一个可以相同或不同,表示选自由卤素原子,硝基,烷基亚磺酰基,芳基亚硫酰基组成的组(a)中的吸电子取代基 基团,酰基,氨磺酰基,被芳基取代的氨磺酰基,取代的芳基,烷基或取代的烷基,氨基甲酰基,取代的氨基甲酰基,烷氧基羰基,芳氧基羰基, 芳氧基磺酰基“亚硝基”,其中B如通式(I)所定义,R 1,R 2和R 2各自表示氢原子,烷基或芳基,烷基或芳基 t的部分 集团可以进一步被替代; X,Y和Z的其余部分选自氢原子,烷基,环烷基,烯基,炔基,芳基,芳烷基,甲硅烷基, 烷氧基,芳氧基,烷硫基,芳硫基和羟基,其中烷基和芳基部分可以被除了含有至多3个碳原子的全卤代烷基以外的取代基进一步取代,条件是至少一个 X,Y和Z表示除卤素或硝基以外的基团,X,Y,Z中的任意2个可以结合形成环; B表示pKa值至少为7且含有不多于12个碳原子的单酸性或二酸性碱; 并且n和m各自表示1或2,条件是化合物的净电荷为零。