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Generated: December 9, 2018

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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 Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 4,765,989
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
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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International Family Members for US Patent 4,765,989

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 394944 ➤ Try a Free Trial
Austria 397180 ➤ Try a Free Trial
Austria A150789 ➤ Try a Free Trial
Austria A88084 ➤ Try a Free Trial
Australia 2251183 ➤ Try a Free Trial
Australia 566110 ➤ Try a Free Trial
Belgium 898819 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Cipla
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Express Scripts
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Farmers Insurance
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