发明名称 |
Process for the purification of thermolabile compounds by distillation |
摘要 |
The invention relates to a new process for the purification, by distillation, of thermolabile compounds wherein a thermolabile compound is introduced into a twin screw extruder which is heated, in at least one zone, to the boiling temperature of the compound. The volatilized compound is drawn off and condensed.
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申请公布号 |
US4990222(A) |
申请公布日期 |
1991.02.05 |
申请号 |
US19870112849 |
申请日期 |
1987.10.23 |
申请人 |
BOEHRINGER INGELHEIM KG |
发明人 |
AIGNER, MICHAEL;DERSCH, WOLFGANG;REICHERT, DIETER;SCHWALL, HORST;WARTH, WERNER |
分类号 |
B01D3/00;B01J19/20;B01J23/06;C07D319/12 |
主分类号 |
B01D3/00 |
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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