Sustained release microspheres
US6458387B1 · kind B1 · utility
156Cited by
8References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 18, 1999 |
| Grant date | Oct 1, 2002 |
| Priority date | — |
| Expiry date | Oct 18, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/799
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Methods for forming sustained release microspheres and the products produced thereby are provided. The microspheres have a smooth surface that includes a plurality of channel openings that are less than 1000 angstroms in diameter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.