Dosage form comprising therapeutic formulation
US6551613B1 · kind B1 · utility
47Cited by
23References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 1999 |
| Grant date | Apr 22, 2003 |
| Priority date | — |
| Expiry date | Jul 14, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0004
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A dosage form is disclosed comprising a semipermeable walled container that houses a capsule, which capsule comprises a drug formulation, a piston, and an osmotic composition. The dosage form delivers the drug formulation through a passageway at a controlled rate over a sustained-release period of time up to 24 hours.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.