Details for Patent: 6,419,958

✉ Email this page to a colleague

Summary for Patent: 6,419,958

Patent landscape, scope, and claims:

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;
More… ↓ ⤷ Subscribe

Drugs Protected by US Patent 6,419,958

Glossary

Subscribe to access the full database, or Subscribe
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

Subscribe to access the full database, or Subscribe
Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Argentina	006519	⤷ Subscribe
Argentina	014012	⤷ Subscribe
Austria	237320	⤷ Subscribe
Austria	257011	⤷ Subscribe
Australia	1300399	⤷ Subscribe
Australia	1640097	⤷ Subscribe
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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

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 verification 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.