Sustained release emulsions
US5767153A · kind A · utility
21Cited by
7References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1995 |
| Grant date | Jun 16, 1998 |
| Priority date | — |
| Expiry date | Jun 7, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0048
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Ophthalmic methods and compositions are disclosed where particles of the dispersed phase of emulsions are themselves dispersed and stably maintained in physical separation by lightly crosslinked, water swellable polymers present in an aqueous polymeric system formulated for administration to the eye in drop or ribbon form. Medicament is dissolved in that dispersed phase is delivered over a sustained release period.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.