Bioadhesive ophthalmic insert
US5773021A · kind A · utility
68Cited by
14References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 18, 1996 |
| Grant date | Jun 30, 1998 |
| Priority date | — |
| Expiry date | Nov 18, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0051
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A bioadhesive ophthalmic insert is described which is intended more particularly for the prolonged and controlled release of a medicinal substance. The insert comprises a composite polymeric material matrix in which the medicinal substance is incorporated. The composite polymeric material matrix comprises a water-soluble biocompatible polymer and a bioadhesive biocompatible polymer and, where applicable, a water-insoluble biocompatible polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.