Topical ibuprofen formulations
US8470886B2 · kind B2 · utility
6Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2010 |
| Grant date | Jun 25, 2013 |
| Priority date | — |
| Expiry date | Nov 26, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P29/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present application relates to a topical formulation comprising ibuprofen, a hydroalcoholic based solvent system, a C1-4alcohol ester of citric acid, and a surfactant. The formulation shows physical stability over more than one month at ambient temperature and is colorless, essentially odorless, and has a pH value of about 6.5. The formulation of the application shows two to four times improved ibuprofen flux compared to a standard composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.