Invention Grant
- Patent Title: Process for producing 2,3-butanediol
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Application No.: US14350366Application Date: 2012-10-12
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Publication No.: US10584084B2Publication Date: 2020-03-10
- Inventor: Kenji Kawamura , Izumi Morita , Masateru Ito , Kyohei Isobe , Satoshi Sakami , Katsushige Yamada
- Applicant: Toray Industries, Inc.
- Applicant Address: JP Tokyo
- Assignee: Toray Industries, Inc.
- Current Assignee: Toray Industries, Inc.
- Current Assignee Address: JP Tokyo
- Agency: DLA Piper LLP (US)
- Priority: JP2011-226391 20111014
- International Application: PCT/JP2012/076421 WO 20121012
- International Announcement: WO2013/054874 WO 20130418
- Main IPC: C07C29/76
- IPC: C07C29/76 ; C07C29/80 ; B01D59/30 ; C07C31/20 ; C12P7/18 ; C12P7/16
Abstract:
A method of producing 2,3-butanediol includes subjecting a 2,3-butanediol culture liquid produced by microbial fermentation to nanofiltration membrane treatment and ion-exchange treatment (Step A), and then adding an alkaline substance and performing distillation (Step B).
Public/Granted literature
- US20140238841A1 PROCESS FOR PRODUCING 2,3-BUTANEDIOL Public/Granted day:2014-08-28
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