发明授权
US5302694A Process for preparing polyesters based on hydroxycarboxylic acids 失效
基于羟基羧酸制备聚酯的方法

  • 专利标题: Process for preparing polyesters based on hydroxycarboxylic acids
  • 专利标题(中): 基于羟基羧酸制备聚酯的方法
  • 申请号: US111029
    申请日: 1993-08-24
  • 公开(公告)号: US5302694A
    公开(公告)日: 1994-04-12
  • 发明人: Berthold Buchholz
  • 申请人: Berthold Buchholz
  • 申请人地址: DEX Ingelheim am Rhein
  • 专利权人: Boehringer Ingelheim GmbH
  • 当前专利权人: Boehringer Ingelheim GmbH
  • 当前专利权人地址: DEX Ingelheim am Rhein
  • 优先权: DEX4005415 19900221
  • 主分类号: C08G63/06
  • IPC分类号: C08G63/06
Process for preparing polyesters based on hydroxycarboxylic acids
摘要:
The present invention relates to a method of producing polyesters based on hydroxycarboxylic acids, more particularly based on .alpha.-hydroxycarboxylic acids.
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