SEPARATION METHOD

The present invention provides a separation method of separating (A) and (B), comprising: a step of separating at least either an active hydrogen-containing compound (A) or a compound (B) that reversibly reacts with (A) from a mixture containing (A) and (B) by distillation in a multistage distillati...

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Bibliographic Details
Main Authors SHINOHATA MASAAKI, MIYAKE NOBUHISA
Format Patent
LanguageEnglish
French
German
Published 25.09.2013
Subjects
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Summary:The present invention provides a separation method of separating (A) and (B), comprising: a step of separating at least either an active hydrogen-containing compound (A) or a compound (B) that reversibly reacts with (A) from a mixture containing (A) and (B) by distillation in a multistage distillation column; and a step of supplying the mixture to an inactive region formed within the multistage distillation column.
Bibliography:Application Number: EP20120829139