Invention Grant
- Patent Title: Process for removing formaldehyde from a composition comprising glycolaldehyde
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Application No.: US14769161Application Date: 2014-02-25
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Publication No.: US09796649B2Publication Date: 2017-10-24
- Inventor: Esben Taarning , Martin Spangsberg Holm
- Applicant: Haldor Topsøe A/S
- Applicant Address: DK Lyngby
- Assignee: Haldor Topsoe A/S
- Current Assignee: Haldor Topsoe A/S
- Current Assignee Address: DK Lyngby
- Agency: Blank Rome LLP
- Priority: WOPCT/EP2013/053962 20130227; DK201370694 20131118
- International Application: PCT/EP2014/053587 WO 20140225
- International Announcement: WO2014/131743 WO 20140904
- Main IPC: C07C45/86
- IPC: C07C45/86 ; C07C67/42 ; C07C29/14 ; C07C45/85 ; C07C29/143 ; C07C209/24 ; C07H3/02 ; A23L5/41
Abstract:
A process for reducing the percentage by weight of formaldehyde present in a composition comprising glycolaldehyde, wherein formaldehyde is transformed into one or more formaldehyde acetal(s) and removed from the reactive distillation reaction solution by reactive distillation in the presence of at least one alcohol and a catalyst.
Public/Granted literature
- US20160002137A1 PROCESS FOR REMOVING FORMALDEHYDE FROM A COMPOSITION COMPRISING GLYCOLALDEHYDE Public/Granted day:2016-01-07
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