Title:
METHOD AND APPARATUS FOR RECOVERING AMIDE-BASED COMPOUND
Document Type and Number:
WIPO Patent Application WO/2020/067797
Kind Code:
A1
Abstract:
The present invention provides a method and an apparatus for efficiently recovering an amide-based compound, such as N-methyl-2-pyrrolidone, from an aqueous solution containing an amide-based compound, such as N-methyl-2-pyrrolidone.
Inventors:
JO SANGHWAN (KR)
HAN JOONG JIN (KR)
KIM HANSOL (KR)
HAN JOONG JIN (KR)
KIM HANSOL (KR)
Application Number:
PCT/KR2019/012634
Publication Date:
April 02, 2020
Filing Date:
September 27, 2019
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
C07D207/26; B01D3/40; C08G75/0204; C08G75/0259; C08G75/0281
Foreign References:
| US20170158820A1 | 2017-06-08 | |||
| KR101728905B1 | 2017-05-02 | |||
| US20060137967A1 | 2006-06-29 | |||
| KR20160144102A | 2016-12-16 | |||
| KR20140092785A | 2014-07-24 |
Other References:
See also references of EP 3766867A4
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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