Details for Patent: 6,419,958

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Summary for Patent: 6,419,958

Title:	Extended release formulation of venlafaxine hydrochloride
Abstract:	This invention relates to a 24 hour extended release dosage formulation and unit dosage form thereof of venlafaxine hydrochloride, an antidepressant, which provides better control of blood plasma levels than conventional tablet formulations which must be administered two or more times a day and further provides a lower incidence of nausea and vomiting than the conventional tablets. More particularly, the invention comprises an extended release formulation of venlafaxine hydrochloride comprising a therapeutically effective amount of venlafaxine hydrochloride in spheroids comprised of venlafaxine hydrochloride, microcrystalline cellulose and, optionally, hydroxypropylmethylcellulose coated with a mixture of ethyl cellulose and hydroxypropylmethylcellulose.
Inventor(s):	Sherman; Deborah M. (Plattsburgh, NY), Clark; John C. (Peru, NY), Lamer; John U. (St. Albans, VT), White; Steven A. (Champlain, NY)
Assignee:	Wyeth (Madison, NJ)
Application Number:	09/884,412
Patent Litigation and PTAB cases:	See patent lawsuits and PTAB cases for patent 6,419,958
Patent Claim Types: see list of patent claims	Use; Formulation;

Drugs Protected by US Patent 6,419,958

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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 6,419,958

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Australia	1300399	⤷ Sign Up
Australia	1640097	⤷ Sign Up
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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