Details for Patent: 4,765,989
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Summary for Patent: 4,765,989
Title: | Osmotic device for administering certain drugs |
Abstract: | An osmotic system is disclosed comprising a wall comprising in at least a part of a semipermeable material that surrounds a compartment. The compartment contains an osmotic composition comprising a beneficial drug selected from the group consisting of nifedipine, prazosin and doxazosin, 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 L. (Sunnyvale, CA), Deters; Joseph C. (Mt. View, CA), Theeuwes; Felix (Los Altos, CA) |
Assignee: | Alza Corporation (Palo Alto, CA) |
Application Number: | 06/902,915 |
Patent Claim Types: see list of patent claims | Dosage form; Device; Composition; Delivery; Use; |
Drugs Protected by US Patent 4,765,989
Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Patented / Exclusive Use | Submissiondate |
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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 |
International Family Members for US Patent 4,765,989
Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
---|---|---|---|---|---|
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 |