Process for preparing osmotic device

Details Process for preparing osmotic device Process for preparing osmotic device

1985-02-01

1985-11-19

Apley, Richard J.

Surgery

Controlled release therapeutic device or system

Osmotic or diffusion pumped device or system

604890, 424 19, 424 31, 424 32, 427 3, A61K 922

Patent

active

045539731

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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