Sustained release drug formulations
US5980945A · kind A · utility
243Cited by
10References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 16, 1996 |
| Grant date | Nov 9, 1999 |
| Priority date | — |
| Expiry date | Jan 16, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/44
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A sustained release drug formulation including: a drug; a biodegradable polymer which is insoluble in water; and an oil vehicle in which both the drug and the polymer are dissolved. The oil vehicle contains 10-100% by volume a pharmaceutically acceptable oil and 0-90% by volume a pharmaceutically acceptable liquid carrier for the drug or the polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.