EP 4308536 A1 20240124 - METHOD FOR PURIFYING VANILLIN OR DERIVATIVES THEREOF OBTAINED BY A BIOTECHNOLOGICAL METHOD
Title (en)
METHOD FOR PURIFYING VANILLIN OR DERIVATIVES THEREOF OBTAINED BY A BIOTECHNOLOGICAL METHOD
Title (de)
VERFAHREN ZUR REINIGUNG VON VANILLIN ODER DERIVATEN DAVON, DIE DURCH EIN BIOTECHNOLOGISCHES VERFAHREN ERHALTEN WERDEN
Title (fr)
PROCÉDÉ DE PURIFICATION DE VANILLINE OU SES DÉRIVÉS OBTENUS PAR UN PROCÉDÉ BIOTECHNOLOGIQUE
Publication
Application
Priority
- FR 2102537 A 20210315
- EP 2022056761 W 20220315
Abstract (en)
[origin: WO2022194901A1] The present invention relates to a method for purifying a fermentation wort (M), which is obtained by a biotechnological method and comprises biomass and vanillin or derivatives thereof in aqueous solution, for the preparation of crystallised vanillin or derivatives thereof, characterised in that the vanillin or derivatives thereof in protonated or salified form remain in aqueous solution throughout the purification method.
IPC 8 full level
C07C 47/58 (2006.01); C07C 45/78 (2006.01); C07C 45/80 (2006.01)
CPC (source: EP US)
C07C 45/786 (2013.01 - EP US); C07C 45/80 (2013.01 - EP US); C07C 45/81 (2013.01 - EP US)
C-Set (source: EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
FR 3120628 A1 20220916; BR 112023018065 A2 20231003; CN 116940547 A 20231024; EP 4308536 A1 20240124; US 2024158329 A1 20240516; WO 2022194901 A1 20220922
DOCDB simple family (application)
FR 2102537 A 20210315; BR 112023018065 A 20220315; CN 202280019653 A 20220315; EP 2022056761 W 20220315; EP 22715591 A 20220315; US 202218550931 A 20220315