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Serving hundreds of leading biopharmaceutical companies globally:

Cantor Fitzgerald
Fish and Richardson
Colorcon
Argus Health
Boehringer Ingelheim
Express Scripts
Dow
Cipla
Fuji

Generated: June 22, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,327,725

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Summary for Patent: 4,327,725
Title: Osmotic device with hydrogel driving member
Abstract:An osmotic device is disclosed comprising a semipermeable wall surrounding a compartment housing an agent that is insoluble to very soluble in aqueous and biological fluids, and a layer of a fluid swellable, hydrogel. A passageway in the wall connects the agent with the exterior of the device.
Inventor(s): Cortese; Richard (San Jose, CA), Theeuwes; Felix (Los Altos, CA)
Assignee: ALZA Corporation (Palo Alto, CA)
Application Number:06/210,176
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 4,327,725
Patent Claim Types:
see list of patent claims
Delivery; Device; Formulation;

Drugs Protected by US Patent 4,327,725

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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International Family Members for US Patent 4,327,725

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 15606 ➤ Try a Free Trial
Germany 3172338 ➤ Try a Free Trial
European Patent Office 0052917 ➤ Try a Free Trial
Japan S5793065 ➤ 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:

Harvard Business School
Deloitte
Dow
US Department of Justice
AstraZeneca
Fuji
Mallinckrodt
Medtronic
Teva

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