Hydrogel-based microsphere drug delivery systems
US5731005A · kind A · utility
44Cited by
39References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 1995 |
| Grant date | Mar 24, 1998 |
| Priority date | — |
| Expiry date | Jun 6, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/1658
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a sustained-release delivery composition for ophthalmic drugs comprising cross-linked hydrogel microspheres having a binding affinity for the drug.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.