Extracts of plants containing polygodial, compositions comprising such extracts and cosmetic and/or dermatological uses thereof
US12128127B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Mar 29, 2019 |
| Grant date | Oct 29, 2024 |
| Priority date | — |
| Expiry date | Feb 13, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/75
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An extract of a plant chosen from Tasmannia lanceolata, Drimys winteri, Spilanthes acmella and Polygonum hydropiper is obtained from ground and dried leaves of said plant by supercritical CO2 extraction at a pressure of between 120 and 350 bar and at a temperature from 35 to 60° C. and contains polygodial. A process for obtaining such an extract is disclosed along with compositions comprising, in a physiologically acceptable medium, an effective amount of the extract to promotes wound healing and decrease inflammation in skin disorders.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.