Invention Grant
- Patent Title: Method for the purification of natural vanillin
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Application No.: US16484020Application Date: 2018-02-08
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Publication No.: US10941100B2Publication Date: 2021-03-09
- Inventor: Martine Vibert , Alain Etchebarne
- Applicant: RHODIA OPERATIONS
- Applicant Address: FR Paris
- Assignee: RHODIA OPERATIONS
- Current Assignee: RHODIA OPERATIONS
- Current Assignee Address: FR Paris
- Agency: Osha Bergman Watanabe & Burton LLP
- Priority: FR1751021 20170208
- International Application: PCT/EP2018/053207 WO 20180208
- International Announcement: WO2018/146210 WO 20180816
- Main IPC: C07C45/00
- IPC: C07C45/00 ; A23L27/00 ; C07C49/258 ; A23L27/10 ; B01D1/22 ; B01D3/00 ; B01D3/14 ; B01D3/34 ; B01D9/00 ; A23L27/24
Abstract:
The present invention relates to a method for the purification of natural vanillin, comprising a step involving the stripping of a liquid flow F2 containing natural vanillin. The invention also relates to the natural vanillin that can be obtained using the method of the invention, as well as a device for purifying natural vanillin.
Public/Granted literature
- US20190389792A1 METHOD FOR THE PURIFICATION OF NATURAL VANILLIN Public/Granted day:2019-12-26
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