发明授权
- 专利标题: Use of tertiary aliphatic monocarboxylic acids as chain terminators for the preparation of polycarbonates and of polyester carbonates
- 专利标题(中): 使用叔脂族一元羧酸作为制备聚碳酸酯和聚酯碳酸酯的链终止剂
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申请号: US438519申请日: 1995-05-10
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公开(公告)号: US5633339A公开(公告)日: 1997-05-27
- 发明人: Burkhard K ohler , Wolfgang Ebert , Klaus Horn , Walter Sch afer , J urgen Kirsch , Rolf Dhein
- 申请人: Burkhard K ohler , Wolfgang Ebert , Klaus Horn , Walter Sch afer , J urgen Kirsch , Rolf Dhein
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX4417761.8 19940520
- 主分类号: C08G63/64
- IPC分类号: C08G63/64 ; C08G63/79 ; C08G64/00 ; C08G64/14 ; C08G64/22 ; C08G64/24 ; C08G65/38
摘要:
The present invention relates to the use of special monocarboxylic acids as chain terminators for the preparation of polycarbonates and of polyester carbonates, and to the polycarbonates and polyester carbonates obtainable according to the invention.
公开/授权文献
- US5035190A Implement for seeding grass 公开/授权日:1991-07-30
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