Sustained release ophthalmic compositions containing water soluble medicaments
US6159458A · kind A · utility
69Cited by
10References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 1997 |
| Grant date | Dec 12, 2000 |
| Priority date | — |
| Expiry date | Nov 4, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An ophthalmic composition that provides sustained release of a water soluble medicament is formed comprising a crosslinked carboxy-containing polymer, a medicament, a sugar and water. The composition has a pH of at least 6.7 but a viscosity of from about 1000 to 5000 cps.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.