Sustained release ophthalmic, otic and nasal suspension
US7001615B1 · kind B1 · utility
81Cited by
32References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2002 |
| Grant date | Feb 21, 2006 |
| Priority date | — |
| Expiry date | Sep 17, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0046
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Sustained release suspension formulations for ophthalmic, otic and nasal administration are disclosed. The formulations comprise a basic active, a cation exchange resin, and a combination of a polymeric suspending agents to provide superior resuspendability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.