发明名称 |
Process for removal of dimethyl ether in the synthesis of sevoflurane |
摘要 |
The invention provides a process for purifying methyl 2,2,2-trifluoro-1-(trifluoromethyl)ethyl ether, comprising: passing a composition comprising methyl 2,2,2-trifluoro-1-(trifluoromethyl)ethyl ether and dimethyl ether through an evaporation zone; evaporating dimethyl ether by passing a gas stream through the composition; and removing the gas comprising dimethyl ether from the composition.
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申请公布号 |
US6448451(B1) |
申请公布日期 |
2002.09.10 |
申请号 |
US20010874346 |
申请日期 |
2001.06.05 |
申请人 |
BAXTER INTERNATIONAL, INC. |
发明人 |
RUDZINSKI RALPH;LESSOR RALPH |
分类号 |
C07C41/42;C07C41/16;C07C41/22;C07C41/40;C07C43/12;(IPC1-7):C07C41/34 |
主分类号 |
C07C41/42 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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