Sustained release capsule
US5498422A · kind A · utility
10Cited by
5References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 1993 |
| Grant date | Mar 12, 1996 |
| Priority date | — |
| Expiry date | Oct 7, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/4891
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A sustained release capsule excellent in adhesion characteristics in the gastrointestinal tract, stability and so on is provided. The capsule is characterized in that a polymer excellent in initial adhesion and a polymer excellent in shape-retaining ability are dispersed in a liquid substance in the capsule, that a physiologically active substance is dispersed or dissolved in the liquid substance and that the moisture content in the whole preparation is not more than 2%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.