Obtaining an extract from brown algae gametophytes, and use of said extract as a cosmetic anti-aging active principle
US10206869B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 19, 2016 |
| Grant date | Feb 19, 2019 |
| Priority date | — |
| Expiry date | Feb 19, 2036 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/805
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed is a lipophilic extract of brown algae gametophytes obtained by the method including the following consecutive steps: —a Step A) for preparing a hydro-alcoholic suspension of gametophyte cells by mixing an aqueous suspension of brown algae gametophyte cells with at least one aliphatic alcohol including 1 to 4 carbon atoms; —a Step B) for mixing the hydro-alcoholic suspension of algae gametophyte cells, obtained in Step A), with at least one triglyceride from fatty acids that include 8 to 22 carbon atoms; —a Step C) for adding water to the multiphase mixture obtained in Step B); and —a Step D) for isolating the lipophilic extract of brown algae gametophytes from the mixture obtained in Step C). Also disclosed are the cosmetic and pharmaceutical use of the extract.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.