Sustained-release drug preparation
US5030455A · kind A · utility
3Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 22, 1989 |
| Grant date | Jul 9, 1991 |
| Priority date | — |
| Expiry date | Aug 22, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/44
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A sustained-release drug preparation comprises a water-soluble drug, a lipidic substance and an oil as its essential components. The drug level in the blood is sustained at a preferable concentation for a long period of time.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.