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.
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
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