Pharmaceutical composition, in particular dermatological or cosmetic, comprising hydrous lipidic lamellar phases or liposomes containing a retinoid or a structural analogue thereof such as a carotenoid
US5034228A · kind A · utility
45Cited by
0References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 1989 |
| Grant date | Jul 23, 1991 |
| Priority date | — |
| Expiry date | Nov 1, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S436/829
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to a composition comprising hydrous lipidic lamellar phases or liposomes containing, as an active agent a retinoid or a structural analogue of retinoid, such as a carotenoid or tretinoin. These compositions are more efficient against acne and less irritant for the skin and they are used as a pharmaceutical composition, notably dermatological or cosmetic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.