Sustained-release drug delivery system
US5484608A · kind A · utility
79Cited by
15References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 28, 1994 |
| Grant date | Jan 16, 1996 |
| Priority date | — |
| Expiry date | Mar 28, 2014 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/137
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A sustained-release pharmaceutical composition comprising a highly soluble pharmaceutical agent, such as selegiline, in a pharmaceutical carrier comprising a hydrophilic polymer dispersed in a hydrophobic matrix. A hydrophilic microenvironment is created in a hydrophobic matrix by incorporating hydrophilic polymers within a hydrophobic matrix. Optionally, a binder, preferably a polyhydroxylated compound, ca also be added.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.