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

Serving leading biopharmaceutical companies globally:

Queensland Health
Daiichi Sankyo
Fish and Richardson

Generated: October 23, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,465,660

« Back to Dashboard

Summary for Patent: 4,465,660

Title: Sustained release tablet containing at least 95 percent theophylline
Abstract:Non-disintegrating theophylline tablets having a pair of opposing substantially planar surfaces and a very thin cross-section have a high bioavailability on ingestion and a relatively steady release rate permitting a 12 hr. dosing interval for maintenance of non-toxic therapeutic blood theophylline concentrations. Excipients or tableting aids are not required, but trace amounts of a tableting lubricant are preferably included to facilitate continuous large scale production.
Inventor(s): David; Stephen T. (Evansville, IN), Brooke; Dana (Evansville, IN), Gallian; Claude E. (Evansville, IN)
Assignee: Mead Johnson & Company (Evansville, IN)
Application Number:06/451,891
Patent Claim Types:
see list of patent claims
Formulation; Dosage form; Composition;

No matches for this query

International Patent Family for Patent: 4,465,660

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Cyprus1368► Subscribe
Germany3117756► Subscribe
Denmark200181► Subscribe
Greece75250► Subscribe
United Kingdom2078518► Subscribe
France2484253► Subscribe
Finland811356► Subscribe
Denmark155976► Subscribe
Switzerland646605► Subscribe
Canada1165241► Subscribe
This preview shows a limited data set
Subscribe for full access, or try a Trial

The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

Export unavailable in trial.
Subscribe for complete access.

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

Serving leading biopharmaceutical companies globally:

Boehringer Ingelheim
Chinese Patent Office

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.

Copyright 2002-2017 thinkBiotech LLC
ISSN: 2162-2639

Secure SSL Encrypted
Privacy and Cookies
Terms & Conditions

Follow DrugPatentWatch:

Google Plus