Topical gel delivery system
US6517847B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 8, 2002 |
| Grant date | Feb 11, 2003 |
| Priority date | — |
| Expiry date | Mar 8, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/18
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition is provided that has a viscosity of less than about 15,000 cP and a pH of about 3.0 to 9.0 for treating a skin disorder in a human subject. The composition is a lotion that consists essentially of (a) a therapeutically-effective amount of at least one compound useful for treating such disorder, (b) a pharmaceutically-acceptable, lightly cross-linked polyacrylic acid polymer compatible with the compound, (c) a pharmaceutically acceptable base to adjust pH, (d) up to about 25% ww of at least one water miscible solvent, (e) optionally a preservative, (f) water, and (g) an oil phase component and suitable surfactant. The composition is useful for treating an inflammatory skin disorder, acne, or rosacea.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.