发明申请
US20130245318A1 METHOD FOR THE CONVERSION OF METHYLMERCAPTOPROPIONALDEHYDE FORMED FROM CRUDE ACROLEIN AND CRUDE METHYL MERCAPTAN
有权
甲基麦芽糖衍生物由赤藓糖醇和甲基丙烯酸甲酯形成的转化方法
- 专利标题: METHOD FOR THE CONVERSION OF METHYLMERCAPTOPROPIONALDEHYDE FORMED FROM CRUDE ACROLEIN AND CRUDE METHYL MERCAPTAN
- 专利标题(中): 甲基麦芽糖衍生物由赤藓糖醇和甲基丙烯酸甲酯形成的转化方法
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申请号: US13597852申请日: 2012-08-29
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公开(公告)号: US20130245318A1公开(公告)日: 2013-09-19
- 发明人: Martin Steffan , Hans Joachim Hasselbach , Martin Koerfer , Harald Jakob , Jignesh Gangadwala
- 申请人: Martin Steffan , Hans Joachim Hasselbach , Martin Koerfer , Harald Jakob , Jignesh Gangadwala
- 申请人地址: DE Essen
- 专利权人: Evonik Degussa GmbH
- 当前专利权人: Evonik Degussa GmbH
- 当前专利权人地址: DE Essen
- 优先权: DE102011081828.6 20110830
- 主分类号: C07C319/12
- IPC分类号: C07C319/12
摘要:
A reactive rectification column suitable for the production of 2-hydroxy-4-methylmercaptobutyric acid and/or methionine contains a weir having a height of 100 mm or more.
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