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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)
Application Number:
PCT/KR2013/009399
Publication Date:
May 01, 2014
Filing Date:
October 22, 2013
Export Citation:
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Assignee:
CJ CHEILJEDANG CORP (KR)
International Classes:
C07C209/84; C07C211/09; C08G69/04
Foreign References:
KR20100133366A2010-12-21
KR20100117084A2010-11-02
KR20080108082A2008-12-11
KR20090107920A2009-10-14
Other References:
See also references of EP 2910543A4
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (KR)
리앤목 특허법인 (KR)
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