Pharmaceutical formulation
US5374430A · kind A · utility
24Cited by
1References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1992 |
| Grant date | Dec 20, 1994 |
| Priority date | — |
| Expiry date | Sep 30, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/1611
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The residence time in the human stomach of a pharmaceutical, gastric controlled release unit can be increased significantly if the units has a density that is much higher than normal. A preferred oral dosage form according to the invention comprises tablet. The density of the unit is preferably at least 2.5 and usually at least 2.7 g/ml and can conveniently be achieved by including at least 50% by weight of a weighting agent such as barium sulphate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.