Hydrated lamellar phases or liposomes which contain a fatty monoamine or a cationic polymer which promotes intracellular penetration, and a cosmetic or pharmaceutical composition containing same, as well as a method of screening such a substance
US9655822B2 · kind B2 · utility
0Cited by
17References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2004 |
| Grant date | May 23, 2017 |
| Priority date | — |
| Expiry date | Jun 12, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to novel hydrated lamellar phases or liposomes which contain either polyethylenimine, or a substance which stimulates intracellular penetration selected from the group consisting of: These liposomes are very useful in cosmetics or in pharmacy for stimulating the intracellular penetration of a substance or active principle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.