Global Patent Index - EP 4308536 A1

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

EP 4308536 A1 20240124 (FR)

Application

EP 22715591 A 20220315

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)

  1. C07C 45/786 + C07C 47/58
  2. C07C 45/80 + C07C 47/58
  3. C07C 45/81 + C07C 47/58

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