Invention Grant
- Patent Title: Method for refining quinolinic acid
- Patent Title (中): 喹啉酸精制方法
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Application No.: US14779886Application Date: 2014-03-06
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Publication No.: US09452983B2Publication Date: 2016-09-27
- Inventor: In Sung Lee , Jae Hun Yu , Ju Un Park , Chong Ho Lee , Hideki Murata
- Applicant: CJ CHEILJEDANG CORP.
- Applicant Address: KR
- Assignee: CJ CHEILJEDANG CORP.
- Current Assignee: CJ CHEILJEDANG CORP.
- Current Assignee Address: KR
- Agency: Cantor Colburn LLP
- Priority: KR10-2013-0035462 20130401
- International Application: PCT/KR2014/001833 WO 20140306
- International Announcement: WO2014/163301 WO 20141009
- Main IPC: C07D213/80
- IPC: C07D213/80 ; C07D213/803
Abstract:
Provided is a method for refining quinolinic acid, including the steps of: preparing a fermentation solution including at least one of quinolinic acid and a salt thereof; removing microbial cells from the fermentation solution; preparing an acidic composition containing at least one of quinolinic acid and a salt thereof at a saturation concentration or more by adding an acid to the fermentation solution; and recovering a crystal of least one of quinolinic acid and a salt thereof from the acidic composition.
Public/Granted literature
- US20160052885A1 METHOD FOR REFINING QUINOLINIC ACID Public/Granted day:2016-02-25
Information query
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