Medicaments in sustained release unit dose form
US4806361A · kind A · utility
17Cited by
18References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 24, 1985 |
| Grant date | Feb 21, 1989 |
| Priority date | — |
| Expiry date | May 24, 2005 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/5078
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Sustained-release compositions for oral administration comprising medicament-coated nonpareils surrounded by a sustaining coating of at least three admixed polymers afford exceptionally good plasma levels of the medicament.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.