Details for Patent: 4,612,008
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Summary for Patent: 4,612,008
Title: | Osmotic device with dual thermodynamic activity |
Abstract: | An osmotic system is disclosed comprising a wall formed in at least a part of a semipermeable material that surrounds a compartment. The compartment contains a first osmotic composition comprising a beneficial agent, and a second and different osmotic composition. A passageway in the wall connects the first composition with the exterior of the system. |
Inventor(s): | Wong; Patrick S. L. (Hayward, CA), Barclay; Brian (Sunnyvale, CA), Deters; Joseph C. (Mt. View, CA), Theeuwes; Felix (Los Altos, CA) |
Assignee: | Alza Corporation (Palo Alto, CA) |
Application Number: | 06/685,092 |
Patent Claim Types: see list of patent claims | Delivery; Device; Composition; Formulation; |
Drugs Protected by US Patent 4,612,008
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International Family Members for US Patent 4,612,008
Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
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Austria | 394944 | ⤷ Try a Trial | |||
Austria | 397180 | ⤷ Try a Trial | |||
Austria | A150789 | ⤷ Try a Trial | |||
Austria | A88084 | ⤷ Try a Trial | |||
>Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |