Pharmaceutical composition for topical application containing dithranol and preparation process
US5358716A · kind A · utility
2Cited by
4References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1992 |
| Grant date | Oct 25, 1994 |
| Priority date | — |
| Expiry date | Sep 16, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Pharmaceutical composition for topical application to the skin, comprising an oil-in-water emulsion containing dithranol. This composition contains, in order to prevent the oxidation of the dithranol, nonionic vesicles prepared from a lipid phase containing at least one nonionic amphiphilic lipid. These vesicles are dispersed in the aqueous phase of the emulsion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.