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    • 2. 发明授权
    • Development processing method
    • 开发处理方法
    • US5972580A
    • 1999-10-26
    • US976342
    • 1997-11-21
    • Kouta FukuiKohzaburoh Yamada
    • Kouta FukuiKohzaburoh Yamada
    • G03C5/29G03C1/06G03C1/295G03C5/30G03C5/305G03C5/31
    • G03C1/061G03C5/30
    • A development processing method comprises: exposing a silver halide light-sensitive material comprising a support having thereon at least one light-sensitive silver halide emulsion layer; and developing said exposed light-sensitive material with a developing solution, wherein at least one of said silver halide emulsion layer and other hydrophilic colloidal layers contains at least one hydrazine derivative, and wherein said 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 derivative developing agent, (2) at least one aminophenol auxiliary developing agent and (3) a specific mercaptopyrimidine compound. The processing method provides a high-contrast image required in the field of graphic arts using a developing solution having no problem with respect to the ecosystem and working environment, without causing silver stain even at a low replenishment rate.
    • 显影处理方法包括:将包含其上具有至少一个感光卤化银乳剂层的载体的卤化银感光材料曝光; 并用显影液显影所述曝光的感光材料,其中所述卤化银乳剂层和其它亲水性胶体层中的至少一种含有至少一种肼衍生物,并且其中所述显影液基本上不含二羟基苯化合物,具有 pH为9.0〜10.5,含有(1)至少一种抗坏血酸衍生物显影剂,(2)至少一种氨基苯酚辅助显影剂和(3)特定巯基嘧啶化合物。 处理方法提供了使用相对于生态系统和工作环境没有问题的显影方案在图形领域中所需的高对比度图像,即使在低补充速率下也不引起银染。
    • 4. 发明授权
    • Development processing method
    • 开发处理方法
    • US5976758A
    • 1999-11-02
    • US995146
    • 1997-12-19
    • Kouta FukuiSenzo SasaokaKohzaburoh Yamada
    • Kouta FukuiSenzo SasaokaKohzaburoh Yamada
    • G03C5/29G03C1/06G03C1/295G03C5/30G03C5/305G03C5/31
    • G03C5/305G03C1/061G03C5/30G03C5/31
    • A development processing method which comprises the steps of: imagewise exposing a silver halide photographic light-sensitive material; and developing the exposed photographic material with a developing solution, wherein the silver halide photographic material comprises a support having thereon at least one light-sensitive silver halide emulsion layer, at least one of the silver halide emulsion layer and other hydrophilic colloidal layers containing at least one hydrazine derivative; and 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, (2) at least one 1-phenyl-3-pyrazolidone auxiliary developing agent and (3) a compound represented by the following formula (I): ##STR1## wherein R.sub.1 to R.sub.4 may be the same or different and each represents a hydrogen atom, a halogen atom or a substituent group bonded to the ring in formula (I) by a carbon atom, a nitrogen atom, an oxygen atom, a sulfur atom or a phosphorus atom, with the proviso that neither R.sub.1 nor R.sub.3 represents a hydroxyl group and that at least one of R.sub.1 to R.sub.4 is an --SM group, wherein M represents a hydrogen, atom, an alkali metal atom or an ammonium group.
    • 一种显影处理方法,包括以下步骤:将卤化银照相感光材料成像曝光; 并用显影液显影所述曝光的照相材料,其中所述卤化银照相材料包括其上具有至少一个感光卤化银乳剂层的载体,所述卤化银乳剂层和至少含有至少一种 一种肼衍生物; 并且其中所述显影液基本上不含二羟基苯化合物,其pH为9.0〜10.5,并含有(1)至少一种抗坏血酸显影剂,(2)至少一种1-苯基-3-吡唑烷酮辅助显影剂 和(3)由下式(I)表示的化合物:其中R 1至R 4可以相同或不同,并且各自表示通过式(I)中与环结合的氢原子,卤素原子或取代基, 碳原子,氮原子,氧原子,硫原子或磷原子,条件是R1和R3都不表示羟基,并且R1至R4中的至少一个为-SM基团,其中M表示 氢原子,碱金属原子或铵基。