Details for Patent: 4,519,801
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Summary for Patent: 4,519,801
Title: | Osmotic device with wall comprising cellulose ether and permeability enhancer |
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. |
Inventor(s): | Edgren; David (El Granada, CA) |
Assignee: | ALZA Corporation (Palo Alto, CA) |
Application Number: | 06/397,517 |
Patent Claim Types: see list of patent claims | Delivery; Formulation; Device; Composition; |
Drugs Protected by US Patent 4,519,801
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>Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Patented / Exclusive Use | >Submissiondate |