Title:
A method to which methyl Mercaptopropyl -on aldehyde is made to react from crude Acrolein and crude methyl mercaptan
Document Type and Number:
Japanese Patent JP6092218
Kind Code:
B2
Abstract:
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.
Inventors:
Martin Stephan
Hans Joachim Hasselbach
Martin Career
Halalto jakop
Igneshe Ganga Dwara
Hans Joachim Hasselbach
Martin Career
Halalto jakop
Igneshe Ganga Dwara
Application Number:
JP2014527591A
Publication Date:
March 08, 2017
Filing Date:
August 23, 2012
Export Citation:
Assignee:
Evonik Degussa GmbH
International Classes:
C07C319/20; B01D3/14; C07C319/28; C07C323/58
Domestic Patent References:
| JP2006206534A | ||||
| JP60092258A | ||||
| JP2007254442A | ||||
| JP2003119557A | ||||
| JP2008506520A | ||||
| JP2012509304A | ||||
| JP4235138A | ||||
| JP2014529615A | ||||
| JP9176111A |
Foreign References:
| WO2007086326A1 | ||||
| WO2007072728A1 | ||||
| US20040039228 |
Other References:
<工場操作シリーズ>増補・蒸留,株式会社 化学工業社,1992年,第59-70頁
Attorney, Agent or Firm:
Michiko Daigo
Einzel Felix-Reinhard
Takuya Kuno
Einzel Felix-Reinhard
Takuya Kuno