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US5126229A Process for preparing positive or negative lithographic printing plates using a developer having at least one alkali-soluble mercapto compound and/or thioether compound 失效
使用具有至少一种碱溶性巯基化合物和/或硫醚化合物的显影剂制备正或负版印刷版的方法

  • 专利标题： Process for preparing positive or negative lithographic printing plates using a developer having at least one alkali-soluble mercapto compound and/or thioether compound
  • 专利标题（中）： 使用具有至少一种碱溶性巯基化合物和/或硫醚化合物的显影剂制备正或负版印刷版的方法
  • 申请号： US517190
    申请日： 1990-05-01
  • 公开(公告)号： US5126229A
    公开(公告)日： 1992-06-30
  • 发明人: Keiji Akiyama , Hiroshi Misu
  • 申请人： Keiji Akiyama , Hiroshi Misu
  • 申请人地址： JPX Minami-ashigara
  • 专利权人： Fuji Photo Film Co., Ltd.
  • 当前专利权人： Fuji Photo Film Co., Ltd.
  • 当前专利权人地址： JPX Minami-ashigara
  • 优先权： JPX63-99553 19880422
  • 主分类号： G03F7/00
  • IPC分类号： G03F7/00 ;  G03F7/32
Process for preparing positive or negative lithographic printing plates using a developer having at least one alkali-soluble mercapto compound and/or thioether compound
摘要：
A developer composition comprises an aqueous alkaline solution which contains at least one alkali-soluble mercapto compound and/or thioether compound. The developer composition is excellent in developing properties and provides lithographic printing plates which do not cause background contamination of non-image areas during printing, when it is used in developing PS plates. It can be stored for a long time. The developer composition further makes it possible to develop both negative and positive working PS plates if its pH value is not less than 12.
摘要（中）：

显影剂组合物包含含有至少一种碱溶性巯基化合物和/或硫醚化合物的碱性水溶液。 显影剂组合物具有优异的显影性能，并提供了当用于显影PS印版时不印刷期间非图像区域背景污染的平版印刷版。 它可以存储很长时间。 如果显影剂组合物的pH值不小于12，则还可以开发负性和正性PS板。

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