Drug dispenser comprising wall formed of semipermeable member and enteric member
US4522625A · kind A · utility
61Cited by
14References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 29, 1982 |
| Grant date | Jun 11, 1985 |
| Priority date | — |
| Expiry date | Sep 29, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M31/002
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An osmotic dispenser is disclosed for releasing drug formulation in the gastrointestinal tract. The dispenser comprises a semipermeable-enteric wall surrounding a compartment housing drug formulation. A passageway in the wall communicates with the compartment for dispensing drug formulation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.