Nanoemulsion formulation with improved stability and cell penetration
US11540981B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 21, 2007 |
| Grant date | Jan 3, 2023 |
| Priority date | — |
| Expiry date | Feb 7, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/413
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a nanoemulsion comprising at least one aqueous component and a carrier, wherein the carrier comprises at least one lipophilic component, at least one surfactant and at least one alcohol. The present invention further relates to a composition comprising said nanoemulsion and an active agent. In particular, the composition is present as a gel and the active agent is 5-aminolevulinic acid, a derivative, precursor and/or metabolite thereof. The invention further relates to the preparation of said nanoemulsion and/or composition and to their use for the treatment of dermatological diseases, virus-associated diseases as well as diseases associated with cell proliferation, in particular, tumor diseases and/or psoriasis. The present invention is further directed to the use of said nanoemulsion in cosmetics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.