Anhydrous composition, stable to oxidation, based on anthralin or one of its derivatives, in a carrier consisting of a fatty acid alkyl ester and a thickener, and its use in the treatment of skin diseases
US4495203A · kind A · utility
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5References
6Claims
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Assignee
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Key dates
| Filing date | Oct 22, 1982 |
| Grant date | Jan 22, 1985 |
| Priority date | — |
| Expiry date | Oct 22, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q5/02
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Anhydrous composition, stable to oxidation, of anthralin or a derivative thereof. This composition contains anthralin or a derivative thereof in a carrier composed of (i) at least one fatty acid alkyl ester, the fatty acid having 12 to 18 carbon atoms and the alkyl radical having 2 or 3 carbon atoms, and (ii) at least one thickener taken from the group made up of silicas having particle sizes less than 30 m.mu. and polyethylene powders having densities between 0.9 and 0.96 (g/cm.sup.3). This composition is used in the treatment of skin diseases, particularly psoriasis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.