The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 09, 2021
Filed:
Feb. 08, 2018
Applicant:
Rhodia Operations, Paris, FR;
Inventors:
Martine Vibert, Lyons, FR;
Alain Etchebarne, Melle, FR;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 45/00 (2006.01); A23L 27/00 (2016.01); C07C 49/258 (2006.01); A23L 27/10 (2016.01); B01D 1/22 (2006.01); B01D 3/00 (2006.01); B01D 3/14 (2006.01); B01D 3/34 (2006.01); B01D 9/00 (2006.01); A23L 27/24 (2016.01);
U.S. Cl.
CPC ...
C07C 49/258 (2013.01); A23L 27/115 (2016.08); B01D 1/22 (2013.01); B01D 3/002 (2013.01); B01D 3/148 (2013.01); B01D 3/346 (2013.01); B01D 9/0059 (2013.01); A23L 27/24 (2016.08); A23V 2002/00 (2013.01); B01D 2009/0086 (2013.01); C07B 2200/13 (2013.01);
Abstract
The present invention relates to a method for the purification of natural vanillin, comprising a step involving the stripping of a liquid flow Fcontaining 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.