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Last Updated: October 21, 2019

DrugPatentWatch Database Preview

Details for Patent: 7,988,998

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Which drugs does patent 7,988,998 protect, and when does it expire?

Patent 7,988,998 protects RYZOLT and is included in one NDA.

This patent has fifty-eight patent family members in twenty-six countries.

Summary for Patent: 7,988,998
Title:Sustained-release tramadol formulations with 24-hour efficacy
Abstract: A sustained-release tramadol formulation oral administration is provided which, upon initial administration of one dose, provides an analgesic effect within 2 hours, which analgesic effect continues for at least 24 hours after administration.
Inventor(s): Lenaerts; Vincent (Beaconsfield, CA), Ouadji-Nijki; Patricia Laure (Montreal, CA), Bacon; Jonathan (Montreal, CA), Ouzerourou; Rachid (Montreal, CA), Gervais; Sonia (Laval, CA), Rahmouni; Miloud (Dollars-des Ormeaux, CA), Smith; Damon (St-Laurent, CA)
Assignee: Labopharm Inc. (Quebec, CA) Labopharm Europe Limited (Dublin, IE) Labopharm (Barbados) Limited (Hastings, Christ Church, BB)
Application Number:11/112,008
Patent Claim Types:
see list of patent claims
Composition; Dosage form; Formulation; Device;

Drugs Protected by US Patent 7,988,998

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Purdue Pharma RYZOLT tramadol hydrochloride TABLET, EXTENDED RELEASE;ORAL 021745-001 Dec 30, 2008 DISCN Yes No   Start Trial   Start Trial Y   Start Trial
Purdue Pharma RYZOLT tramadol hydrochloride TABLET, EXTENDED RELEASE;ORAL 021745-002 Dec 30, 2008 DISCN Yes No   Start Trial   Start Trial Y   Start Trial
Purdue Pharma RYZOLT tramadol hydrochloride TABLET, EXTENDED RELEASE;ORAL 021745-003 Dec 30, 2008 DISCN Yes No   Start Trial   Start Trial Y   Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

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