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Last Updated: April 24, 2024

Details for Patent: 4,465,660

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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;

Drugs Protected by US Patent 4,465,660

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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

International Family Members for US Patent 4,465,660

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	380789	⤷ Try a Trial
Austria	A202081	⤷ Try a Trial
Australia	549299	⤷ Try a Trial
Australia	7020581	⤷ Try a Trial
Belgium	888697	⤷ Try a Trial
Canada	1165241	⤷ Try a Trial
Switzerland	646605	⤷ Try a Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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