Process for preparing osmotic device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 19, 1985
Issued Date -
N/A
app pub date -
Feb 1, 1985
filing date -
Jul 12, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An osmotic delivery system is disclosed for dispensing a useful agent. The system comprises a semipermeable wall surrounding a compartment housing the agent. The wall comprises a cellulose ether, an organic solvent soluble polymer, and optionally an aqueous soluble polymer. A passageway in the wall connects the interior of the system with the exterior for dispensing an agent from the system.
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