发明授权
- 专利标题: Process for the preparation of lactide
- 专利标题(中): 丙交酯的制备方法
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申请号: US347856申请日: 1989-05-05
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公开(公告)号: US5053522A公开(公告)日: 1991-10-01
- 发明人: Manfred Muller
- 申请人: Manfred Muller
- 申请人地址: DEX Ingelheim am Rhein
- 专利权人: Boehringer Ingelheim KG
- 当前专利权人: Boehringer Ingelheim KG
- 当前专利权人地址: DEX Ingelheim am Rhein
- 优先权: DEX3708915 19870319
- 主分类号: C07C59/10
- IPC分类号: C07C59/10 ; C07D319/12 ; C08G63/06
摘要:
The invention relates to a process for the preparation of lactide, in particular of optically pure L(-)- or D(+)-lactide, on an industrial scale.
公开/授权文献
- US5545330A Water treatment system 公开/授权日:1996-08-13
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