Porous microspheres for drug delivery and methods for making same
US4818542A · kind A · utility
334Cited by
4References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1986 |
| Grant date | Apr 4, 1989 |
| Priority date | — |
| Expiry date | Mar 31, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2989
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Controlled release drug delivery systems comprised of spherical microporous polymeric network of interconnecting channels containing pore incorporated drugs or other agents wherein the drugs or agents are confined within the pore channel are described. Also disclosed are processing parameters in connection with the novel method of the invention for obtaining drug delivery systems especially suited for parenteral as well as oral administration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.