	US 12,128,127 B2
	Extracts of plants containing polygodial, compositions comprising such extracts and cosmetic and/or dermatological uses thereof
Emmanuelle Gaillard, Landevant (FR); Christine Perichet, Grasse (FR); Marina Humbert, Grasse (FR); Sophie Lavoine, Mouans-Sartoux (FR); and Irène Lamour, Vannes (FR)
Assigned to ROBERTET SA, Grasse (FR)
Appl. No. 17/046,823
Filed by ROBERTET SA, Grasse (FR)
PCT Filed Mar. 29, 2019, PCT No. PCT/EP2019/057971 § 371(c)(1), (2) Date Oct. 12, 2020, PCT Pub. No. WO2019/197173, PCT Pub. Date Oct. 17, 2019.
Claims priority of application No. 1870450 (FR), filed on Apr. 13, 2018.
Prior Publication US 2021/0177727 A1, Jun. 17, 2021
Int. Cl. A61K 8/97 (2017.01); A61K 9/00 (2006.01); A61K 31/11 (2006.01); A61K 36/28 (2006.01); A61K 36/704 (2006.01); B01D 11/02 (2006.01)

CPC A61K 8/97 (2013.01) [A61K 9/0014 (2013.01); A61K 31/11 (2013.01); A61K 36/28 (2013.01); A61K 36/704 (2013.01); B01D 11/0203 (2013.01); B01D 11/0284 (2013.01); B01D 11/0292 (2013.01)]

4 Claims

1. A process for obtaining an extract, comprising:

extracting leaves or berries of a plant selected from Tasmannia lanceolata, Drimys winteri, Spilanthes acmella and Polygonum hydropiper and combinations thereof with supercritical CO₂at a pressure of between 120 and 350 bar and at a temperature of between 35 and 60° C.; and

recovering said extract, wherein the extract contains polygodial.