Get our Free Patent Expiration Newsletter

Serving hundreds of leading biopharmaceutical companies globally:

Cantor Fitzgerald
Boehringer Ingelheim
Queensland Health
QuintilesIMS
Daiichi Sankyo
US Department of Justice

Generated: July 18, 2019

DrugPatentWatch Database Preview

Details for Patent: 4,327,725

Try a free trialSee Plans and Pricing

« Back to Dashboard

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
Prior Art and Litigation SupportOrder Prior Art and Litigation support 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 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

Subscribe to access the full database, or try a Free Trial

Make Better Decisions: Try a trial or see plans & pricing

Serving hundreds of leading biopharmaceutical companies globally:

Mallinckrodt
Fuji
Colorcon
Cipla
Deloitte
Covington

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.