Global Patent Index - EP 4222137 A1

EP 4222137 A1 20230809 - PURIFICATION OF FERULIC ACID

Title (en)

PURIFICATION OF FERULIC ACID

Title (de)

REINIGUNG VON FERULASÄURE

Title (fr)

PURIFICATION D'ACIDE FERULIQUE

Publication

EP 4222137 A1 20230809 (FR)

Application

EP 21782762 A 20210930

Priority

  • FR 2010088 A 20201002
  • EP 21183653 A 20210705
  • EP 2021076973 W 20210930

Abstract (en)

[origin: WO2022069651A1] The present invention relates to a method for purifying a liquid medium comprising ferulic acid, a solvent and at least one impurity, the method comprising a step (a) of bringing the liquid medium into contact with a first complexing agent so as to obtain a first precipitate P1 and a liquid medium C1, and a step (b) of separating the first precipitate P1 from the liquid medium C1 so as to obtain a liquid medium F1 comprising purified ferulic acid. The present invention also relates to a method for separating ferulic acid oligomers and to their use as a scavenger of free radicals or radical species, in particular as a polymerisation inhibitor, antioxidant or UV stabiliser.

IPC 8 full level

C07C 51/42 (2006.01); A23L 3/3508 (2006.01); A61K 8/365 (2006.01); C07C 51/47 (2006.01); C07C 59/64 (2006.01)

CPC (source: EP US)

A23L 3/3508 (2013.01 - EP); A61K 8/365 (2013.01 - EP); A61Q 19/00 (2013.01 - EP); C07C 51/42 (2013.01 - EP US); C07C 51/47 (2013.01 - EP); A61K 2800/10 (2013.01 - EP); A61K 2800/805 (2013.01 - EP)

C-Set (source: EP)

  1. C07C 51/42 + C07C 59/64
  2. C07C 51/47 + C07C 59/64

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)

WO 2022069651 A1 20220407; CN 116323542 A 20230623; EP 4222137 A1 20230809; MX 2023003798 A 20230628; US 2023373896 A1 20231123

DOCDB simple family (application)

EP 2021076973 W 20210930; CN 202180066846 A 20210930; EP 21782762 A 20210930; MX 2023003798 A 20210930; US 202118247606 A 20210930