发明授权
- 专利标题: Mixtures of cyclic oligocarbonates, their production and use
- 专利标题(中): 环状寡聚碳酸酯的混合物,其生产和使用
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申请号: US09572465申请日: 2000-05-17
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公开(公告)号: US06297346B1公开(公告)日: 2001-10-02
- 发明人: Burkhard Köhler , Duane Priddy, Jr. , Yun Chen , Harald Pielartzik , Robert Kumpf
- 申请人: Burkhard Köhler , Duane Priddy, Jr. , Yun Chen , Harald Pielartzik , Robert Kumpf
- 主分类号: C08G6400
- IPC分类号: C08G6400
摘要:
The present invention relates to mixtures of cyclic oligocarbonates, to their production by way of mixtures of bischloroformates, and to their use for the production of linear polycarbonates and for the modification of other linear polycarbonates.
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