发明名称 |
Purification of acetonitrile by a distillative recovery/ion exchange resin treatment process |
摘要 |
A process of producing HPLC grade acetonitrile (UV cutoff<190) comprising a multistep distillation under reflux conditions followed by acidic ion exchange resin treatment to remove essentially all impurities from the acetonitrile.
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申请公布号 |
US2004176631(A1) |
申请公布日期 |
2004.09.09 |
申请号 |
US20030648572 |
申请日期 |
2003.08.26 |
申请人 |
CESA MARK CLARK;JACOBSON PAUL ALAN;WAPPELHORST RICHARD LEE |
发明人 |
CESA MARK CLARK;JACOBSON PAUL ALAN;WAPPELHORST RICHARD LEE |
分类号 |
C07C253/34;C07C255/02;(IPC1-7):C07C255/02 |
主分类号 |
C07C253/34 |
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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