Ophthalmic drug delivery system utilizing thermosetting gels
US4474751A · kind A · utility
243Cited by
4References
54Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 1983 |
| Grant date | Oct 2, 1984 |
| Priority date | — |
| Expiry date | May 16, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/18
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention describes the application of selected polymers as novel drug delivery systems which use the body temperature and pH to induce a liquid to gel transition of the polymer which contains a drug or therapeutic agent therein. The goal of such a delivery system is to achieve a greater degree of bioavailability or sustained concentration of a drug.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.