Invention Grant
- Patent Title: Process for preparing N,N-dimethylaminoethoxyethanol
- Patent Title (中): 制备N，N-二甲基氨基乙氧基乙醇的方法
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Application No.: US13421249Application Date: 2012-03-15
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Publication No.: US08734617B2Publication Date: 2014-05-27
- Inventor: Frank-Friedrich Pape , Alfred Krause , Johann-Peter Melder , Bernd Stein , Joachim-Thierry Anders , Frank Haese
- Applicant: Frank-Friedrich Pape , Alfred Krause , Johann-Peter Melder , Bernd Stein , Joachim-Thierry Anders , Frank Haese
- Applicant Address: DE
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE
- Agency: Drinker Biddle & Reath LLP
- Priority: EP06111382 20060320; EP06116712 20060706
- Main IPC: B01D3/34
- IPC: B01D3/34
Abstract:
Processes comprising: (a) reacting dimethylamine and ethylene oxide to form a product mixture comprising N,N-dimethylethanolamine and N,N-dimethylaminoethoxyethanol; (b) distilling the product mixture to obtain a bottom fraction comprising N,N-dimethylaminoethoxyethanol; and (c) distilling the bottom fraction to separate at least a portion of the N,N-dimethylaminoethoxyethanol from the bottom fraction; and apparatus for carrying out said processes.
Public/Granted literature
- US20120264979A1 PROCESS FOR PREPARING N,N-DIMETHYLAMINOETHOXYETHANOL Public/Granted day:2012-10-18
Information query
