| 发明名称 |
REMOVAL OF RESIDUAL SULFUR DIOXIDE FROM DIMETHYL SULFATE |
| 摘要 |
The present invention relates to a method of removing SO<SUB>2</SUB> contaminants from dimethyl sulfate (DMS) by treatment with an oxidizing agent, and to a process for the preparation of odour free fatty acid trialkanolamine esters quaternized with DMS which is substantially free of SO<SUB>2</SUB> contaminants.
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| 申请公布号 |
WO2006097421(A9) |
申请公布日期 |
2007.10.25 |
| 申请号 |
WO2006EP60545 |
申请日期 |
2006.03.08 |
| 申请人 |
AKZO NOBEL N.V.;JOYCE, WILLIAM FRANCIS;TELSCHOW, JEFFREY EARL |
发明人 |
JOYCE, WILLIAM FRANCIS;TELSCHOW, JEFFREY EARL |
| 分类号 |
C07C213/06;C07C213/08;C07C219/06;C07C303/44;C07C305/08 |
主分类号 |
C07C213/06 |
| 代理机构 |
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