Sustained-release pharmaceutical system for the delivery of antioxidants
US5897879A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 7, 1997 |
| Grant date | Apr 27, 1999 |
| Priority date | — |
| Expiry date | Jan 7, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K33/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a sustained-release pharmaceutical delivery system for the administration of an antioxidant drug to a patient in need of such drug, wherein said delivery system comprises said drug in combination with a polymeric matrix, said matrix comprising a polymer which does not interact with said drug or a mixture of such polymers. The pharmaceutical delivery system of the invention is useful for the treatment of pathological conditions involving pathologically increased formation of active oxygen species.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.