Title:
分離方法
Document Type and Number:
Japanese Patent JP5700595
Kind Code:
B2
Abstract:
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.
Inventors:
Shinohata Masaaki
Nobuhisa Miyake
Nobuhisa Miyake
Application Number:
JP2013508054A
Publication Date:
April 15, 2015
Filing Date:
March 30, 2012
Export Citation:
Assignee:
Asahi Kasei Chemicals Corporation
International Classes:
C07C41/58; C07C37/74; C07C39/06; C07C43/13; C07C68/08; C07C69/96; C07C209/86; C07C211/12; C07C263/20; C07C265/14; C07C269/08; C07C271/20; C07C271/24; C07C319/28; C07C321/26; C07C331/30
Domestic Patent References:
| JP2005225879A | 2005-08-25 | |||
| JPH09301920A | 1997-11-25 | |||
| JP2001323042A | 2001-11-20 | |||
| JP2003284942A | 2003-10-07 | |||
| JPS58110526A | 1983-07-01 | |||
| JP2007521242A | 2007-08-02 |
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshinori Shimizu
Hiroyuki Nishimoto
Yoshinori Shimizu
Hiroyuki Nishimoto