Biodegradable ocular implants
US4997652A · kind A · utility
390Cited by
12References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 31, 1989 |
| Grant date | Mar 5, 1991 |
| Priority date | — |
| Expiry date | May 31, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/1647
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Encapsulated drugs are employed for introduction into the chambers of the eye for therapeutic purposes. The administration of drugs is controlled and maintained for long periods of time, while ensuring the substantial absence of significant levels outside the site of administration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.