Osmotic system with instant drug availability
US4576604A · kind A · utility
119Cited by
10References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 1983 |
| Grant date | Mar 18, 1986 |
| Priority date | — |
| Expiry date | Mar 4, 2003 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0004
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An osmotic device is disclosed for delivering a beneficial agent. The device comprises a wall surrounding a compartment containing an agent, a passageway in the wall connecting the exterior of the device with the compartment, and (a) an agent in the wall or (b) an agent carried on the wall in the wall. The device delivers the agent from the compartment and the wall.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.