Upgrade to enjoy subscriber-only features like email alerts and data export. See the Plans and Pricing

Serving hundreds of leading biopharmaceutical companies globally:

Citi
Dow
Federal Trade Commission
Argus Health
Accenture
AstraZeneca
McKinsey
Cipla
Boehringer Ingelheim

Generated: April 19, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,765,989

« Back to Dashboard

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 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

This preview shows a limited data set. Subscribe for full access, or try a Free Trial

International Patents Family Members for US Patent 4,765,989

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
France 2545721 ➤ Try a Free Trial
Spain 532018 ➤ Try a Free Trial
Denmark 163910 ➤ Try a Free Trial
Ireland 840010 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

This preview shows a limited data set. Subscribe for full access, or try a Free Trial

For more information try a trial or see the plans and pricing

Serving hundreds of leading biopharmaceutical companies globally:

AstraZeneca
Boehringer Ingelheim
Accenture
Chubb
Merck
US Army
Argus Health
Johnson and Johnson
Cerilliant

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.