Multilayer sustained release granule
US5093200A · kind A · utility
67Cited by
19References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1988 |
| Grant date | Mar 3, 1992 |
| Priority date | — |
| Expiry date | Sep 30, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A multilayer granule of the invention comprises a core, a slow-release layer, a rapid-release layer to be provided outer of said slow-release layer and a film layer containing a metal stearate and being deposited between the slow-release layer and the rapid-release layer. A pharmacologically effective component is kept to discharge for long.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.