Title:
METHOD FOR PURIFYING 1,4-DIAMINOBUTANE, 1,4-DIAMINOBUTANE PURIFIED BY SAID METHOD, AND POLYAMIDE PREPARED THEREFROM
Document Type and Number:
WIPO Patent Application WO/2014/065553
Kind Code:
A1
Abstract:
Provided are a method for purifying 1,4-diaminobutane, 1,4-diaminobutane purified by the method, and a polyamide prepared using the 1,4-diaminobutane, the method for purifying 1,4-diaminobutane comprising the steps of: concentrating a fermentation solution containing at least one of 1,4-diaminobutane and a salt thereof; preparing a basic composition having a pH of 12 or higher by adding a base to the concentrated product of the fermentation solution; and collecting 1,4-diaminobutane from the basic composition.
Inventors:
GWAK WON SIK (KR)
SEO YONG BUM (KR)
LEE CHONG HO (KR)
LEE IN SUNG (KR)
MURATA HIDEKI (KR)
SEO YONG BUM (KR)
LEE CHONG HO (KR)
LEE IN SUNG (KR)
MURATA HIDEKI (KR)
Application Number:
PCT/KR2013/009399
Publication Date:
May 01, 2014
Filing Date:
October 22, 2013
Export Citation:
Assignee:
CJ CHEILJEDANG CORP (KR)
International Classes:
C07C209/84; C07C211/09; C08G69/04
Foreign References:
KR20100133366A | 2010-12-21 | |||
KR20100117084A | 2010-11-02 | |||
KR20080108082A | 2008-12-11 | |||
KR20090107920A | 2009-10-14 |
Other References:
See also references of EP 2910543A4
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
리앤목 특허법인 (KR)
리앤목 특허법인 (KR)
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