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    • 4. 发明授权
    • Thermally developable light-sensitive material
    • 耐热可开发的感光材料
    • US4140532A
    • 1979-02-20
    • US860652
    • 1977-12-14
    • Hideo SatoNobuyoshi SekikawaToshinao UkaiTakao Masuda
    • Hideo SatoNobuyoshi SekikawaToshinao UkaiTakao Masuda
    • G03C1/06G03C1/498G03C1/02
    • G03C1/49845Y10S430/166
    • A thermally developable light-sensitive material comprising a support and containing at least (a) an organic silver salt, (b) a photocatalyst, (c) a reducing agent and (d) a color toning agent in the support or in at least one layer provided on the support, wherein the color toning agent is at least one 2H-1,3-benzothiazin-2,4(3H)-dione, e.g., having 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, a halogen atom, an alkyl group, a cycloalkyl group, an aryl group, an alkoxy group, an aryloxy group, an alkylthio group, a hydroxy group, an acyloxy group, a nitro group, an amino group, an alkyl-substituted amino group, an aryl-substituted amino group, an acylamino group, an acyl group, a hydroxycarbonyl group, an alkoxycarbonyl group, an aryloxycarbonyl group, a sulfamoyl group, an alkyl-substituted sulfamoyl group, an aryl-substituted sulfamoyl group, an alkylsulfonyl group, an arylsulfonyl group or a sulfo group, further, R.sub.1 and R.sub.2, R.sub.2 and R.sub.3, and/or R.sub.3 and R.sub.4, may combine and represent the atoms necessary to form a condensed aromatic ring; and, further, one of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 may be a monovalent residue of the general formula (I), in which the color toning effect is retained even under conditions of high temperature and/or high humidity.
    • 一种可热显影的感光材料,其包括载体并且至少包含(a)有机银盐,(b)光催化剂,(c)还原剂和(d)载体中的至少一种颜色调色剂 层,其中色调剂是至少一种2H-1,3-苯并噻嗪-2,4(3H) - 二酮,例如具有以下通式(I):其中 R 1,R 2,R 3和R 4可以相同或不同,表示氢原子,卤素原子,烷基,环烷基,芳基,烷氧基,芳氧基,烷硫基, 羟基,酰氧基,硝基,氨基,烷基取代的氨基,芳基取代的氨基,酰氨基,酰基,羟基羰基,烷氧基羰基,芳氧基羰基, 氨磺酰基,烷基取代的氨磺酰基,芳基取代的氨磺酰基,烷基磺酰基,芳基磺酰基 p或磺基,此外,R 1和R 2,R 2和R 3和/或R 3和R 4可以组合并表示形成稠合芳环所必需的原子; 此外,R 1,R 2,R 3和R 4中的一个可以是通式(I)的一价残基,即使在高温和/或高湿度的条件下也保持着色调色效果。
    • 6. 发明授权
    • Heat-developable light-sensitive materials using the reaction product of
a organic silver salt an a N-halo-oxazolidinone
    • 使用有机银盐和N-卤代恶唑烷酮的反应产物的热显影光敏材料
    • US4003749A
    • 1977-01-18
    • US596130
    • 1975-07-15
    • Takao MasudaNobuyoshi Sekikawa
    • Takao MasudaNobuyoshi Sekikawa
    • G03C1/498G03C1/02G03C1/34
    • G03C1/49818
    • A heat-developable light-sensitive material comprising a support having therein or in one or more layers thereon an organic silver (b) a light-sensitive silver halide, and (c) a reducing agent, with the light-sensitive silver halide comprising the reaction product of a part of the organic silver salt and an N-halo compound represented by the following formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each is a hydrogen atom; an alkyl group having 1 to 22 carbon atoms; a haloalkyl group having 1 to 22 carbon atoms; an amino group; a hydroxyalkyl group having 1 to 22 carbon atoms; an allyl group; a naphthyl group; a benzyl group; a ##STR2## group in which R.sub.5 is a hydrogen atom, a halogen atom, an alkyl group, an alkylthio group, an amino group or an alkylamino group; a benzyloxy group; an aryl group; a haloaryl group; an alkylaryl group; and alkoxyaryl group; an --OR.sub.6 group in which R.sub.6 is a hydrogen atom, an alkyl group, an allyl group, an aryl group or an alkoxyaryl group; a ##STR3## group in which R.sub.7 and R.sub.8 each is a hydrogen atom, an alkyl group, an aryl group or an allyl group; a cyclohexyl group; a --CH.sub.2 OR.sub.9 group in which R.sub.9 is a naphthyl group; or a --CH.sub.2 R.sub.10 in which R.sub.10 is a morpholino group, a piperadino group or an alkylthio group; and X is a chlorine atom or a bromine atom.
    • 一种可热显影的感光材料,其包含其中具有支撑体或其一个或多个层上的有机银(b)感光卤化银,和(c)还原剂,所述感光卤化银包含 有机银盐的一部分的反应产物和由下式(I)表示的N-卤素化合物:其中R1,R2,R3和R4各自为氢原子; 具有1至22个碳原子的烷基; 具有1至22个碳原子的卤代烷基; 氨基; 具有1至22个碳原子的羟烷基; 烯丙基; 萘基; 苄基; R5是氢原子,卤素原子,烷基,烷硫基,氨基或烷基氨基的基团; 苄氧基; 芳基; 卤代芳基; 烷基芳基; 和烷氧基芳基; 其中R6为氢原子,烷基,烯丙基,芳基或烷氧基芳基的-OR6基团; R7和R8各自为氢原子,烷基,芳基或烯丙基的基团; 环己基; 其中R9为萘基的-CH2OR9基团; 或其中R 10为吗啉代基,哌嗪基或烷硫基的-CH 2 R 10; X为氯原子或溴原子。
    • 7. 发明授权
    • Heat-developable light-sensitive material
    • 可热成像的感光材料
    • US4030930A
    • 1977-06-21
    • US550503
    • 1975-02-18
    • Kenji SashiharaTakao MasudaYasuhiro NoguchiNobuyoshi SekikawaTadao Shishido
    • Kenji SashiharaTakao MasudaYasuhiro NoguchiNobuyoshi SekikawaTadao Shishido
    • G03C1/498G03C1/02G03C1/76
    • G03C1/49845
    • A heat-developable light-sensitive material comprising a support having thereon at least one layer containing (a) an organic silver salt oxidizing agent; (b) a catalytic amount of a light-sensitive silver halide or a compound capable of forming a light-sensitive silver halide through reaction with the organic silver salt component (a); (c) a reducing agent; and (d) at least one compound represented by the following general formulae (I) to (III) ##STR1## in which A and B each represents different substituents selected from the group consisting of an amino group and a --OX group; X represents a hydrogen atom, an alkali metal atom, a silver atom, a mercury atom or a gold atom; R.sub.1 and R.sub.2 each represents a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aralkyl group, an allyl group, an acyl group, an aryl group or an aryloxy group; and R.sub.3, R.sub.4 and R.sub.5 each represents a hydrogen atom, a halogen atom or an alkyl group.
    • 一种可热显影的感光材料,其包括其上具有至少一层的载体,所述层包含(a)有机银盐氧化剂; (b)催化量的感光卤化银或能够通过与有机银盐组分(a)反应形成感光卤化银的化合物; (c)还原剂; 其中A和B各自表示选自以下通式(I)至(III)中的至少一种化合物:其中A和B各自表示不同的取代基, 由氨基和-OX基组成的组; X表示氢原子,碱金属原子,银原子,汞原子或金原子; R1和R2各自表示氢原子,卤素原子,烷基,烷氧基,芳烷基,烯丙基,酰基,芳基或芳氧基; 并且R 3,R 4和R 5各自表示氢原子,卤素原子或烷基。
    • 8. 发明授权
    • Thermally developable light-sensitive material with a benzoic acid
    • 具有苯甲酸的可热显影的感光材料
    • US4152160A
    • 1979-05-01
    • US893747
    • 1978-04-05
    • Shinpei IkienoueTakao MasudaNobuyoshi Sekikawa
    • Shinpei IkienoueTakao MasudaNobuyoshi Sekikawa
    • G03C1/498G03C1/92G03C1/00G03C1/34G03C1/72
    • G03C1/49854
    • A thermally developable light-sensitive material with improved storage stability and a minimized thermal fog without an increase in both light discoloration and dark discoloration which comprises a support and having therein or in at least one layer thereon at least (a) an organic carboxylic acid silver salt comprising about 50 mol% or more of silver behenate, (b) a photocatalyst and (c) a reducing agent, and with the material containing (d) at least one compound (1) represented by the following general formula (I): ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3, which may be the same or different, each represents a hydrogen atom or a substituent selected from the group consisting of a nitro group, a cyano group and a halogen atom, with the proviso that R.sub.1, R.sub.2 and R.sub.3 are not all simultaneously a hydrogen atom, and (2) having a half-neutralization point of from about 40 mV to about 140 mV above the half-neutralization point of benzoic acid in isopropanol.
    • 具有改善的储存稳定性和最小化的热雾的热可显影的感光材料,而不增加光的变色和暗色变色,其包括载体并且在其中或至少一层中至少包含一种有机羧酸银 包含约50mol%或更多的山嵛酸银的盐,(b)光催化剂和(c)还原剂,以及含有(d)至少一种由以下通式(I)表示的化合物(1)的材料: (I)其中可以相同或不同的R 1,R 2和R 3各自表示氢原子或选自硝基,氰基和卤素原子的取代基,条件是 R1,R2和R3不全部同时为氢原子,和(2)在异丙醇中苯甲酸的半中和点以上的半中和点为约40mV至约140mV。
    • 9. 发明授权
    • Heat developable light-sensitive material
    • 热可显影的感光材料
    • US4076534A
    • 1978-02-28
    • US708450
    • 1976-07-26
    • Yasuhiro NoguchiNobuyoshi SekikawaKenji SashiharaTakao Masuda
    • Yasuhiro NoguchiNobuyoshi SekikawaKenji SashiharaTakao Masuda
    • G03C1/498G03C5/24G03C1/02G03C1/06
    • G03C1/49845
    • A heat developable light-sensitive material comprising a support having thereon at least one light-sensitive layer containing (1) an oxidation-reduction image-forming combination of (a) a silver salt oxidizing agent and (b) a reducing agent and (2) a catalytic amount of a light-sensitive silver halide or a compound capable of reacting with the silver salt (a) to form a light-sensitive silver halide, the light-sensitive layer further containing (3) at least one specific phthalazinone compound. The development of the above light-sensitive material is carried out simply by heating the material at a temperature of about 90.degree. to 180.degree. C. for 1 to 60 seconds after imagewise exposure. An image of black tone can be obtained without contaminating the developing machine.
    • 一种可热显影的感光材料,包括其上具有至少一个光敏层的载体,所述感光层包含(1)(a)银盐氧化剂和(b)还原剂和(2)的氧化还原成像组合 )催化量的感光卤化银或能够与银盐(a)反应以形成感光卤化银的化合物,该感光层还含有(3)至少一种特定的2,3-二氮杂萘酮化合物。 上述感光材料的发展简单地通过在成像曝光后在约90℃至180℃的温度下加热1至60秒进行。 可以获得黑色调的图像而不污染显影机。
    • 10. 发明授权
    • Desensitizer compositions
    • 脱敏剂组合物
    • US4411700A
    • 1983-10-25
    • US311819
    • 1981-10-16
    • Nobuyoshi SekikawaKen IwakuraAkio MiyamotoMasato Satomura
    • Nobuyoshi SekikawaKen IwakuraAkio MiyamotoMasato Satomura
    • B41M5/128C09D11/00
    • B41M5/128
    • A desensitizer composition containing an imidazole derivative shown by the following general formula (I) ##STR1## wherein R.sub.1 is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, or an aryl group having 6 to 20 carbon atoms; R.sub.2 is a hydrogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an amino group, or an alkylthio group having 1 to 20 carbon atoms; R.sub.3 and R.sub.4 each is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or an aryl group having 6 to 20 carbon atoms; and R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each may be substituted, can be effectively used for partially desensitizing a developer sheet of pressure-sensitive copying papers, particularly where diphenylamine series color formers are used.
    • 含有下述通式(I)所示的咪唑衍生物的脱敏剂组合物其中R 1为氢原子,碳原子数1〜20的烷基或碳原子数6〜20的芳基, R2是氢原子,碳原子数1〜20的烷基,碳原子数6〜20的芳基,氨基或碳原子数1〜20的烷硫基。 R3和R4各自为氢原子,具有1至4个碳原子的烷基或具有6至20个碳原子的芳基; 并且R1,R2,R3和R4各自可以被取代,可以有效地用于对使用二苯胺系列成色剂的压敏复印纸的显影剂片进行部分脱敏。