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Serving hundreds of leading biopharmaceutical companies globally:

Julphar
UBS
Fuji
Dow
Covington
Medtronic
Mallinckrodt
Merck
McKesson

Generated: April 19, 2018

DrugPatentWatch Database Preview

Details for Patent: 6,514,531

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Which drugs does patent 6,514,531 protect, and when does it expire?

Patent 6,514,531 protects AMBIEN CR and is included in one NDA.

Protection for AMBIEN CR has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

This patent has thirty patent family members in twenty-seven countries.
Summary for Patent: 6,514,531
Title: Controlled-release dosage forms comprising zolpidem or a salt thereof
Abstract:The present invention relates to controlled-release dosage forms of zolpidem or salts thereof adapted to release zolpidem over a predetermined time period, according to a biphasic profile of dissolution, where the first phase is an immediate release phase and the second phase is a prolonged release phase and particular embodiments thereof intended to avoid abuse.
Inventor(s): Alaux; Gerard (Beynes, FR), Lewis; Gareth (Dourdan, FR), Andre; Frederic (Antony, FR)
Assignee: Sanofi-Synthelabo (Paris, FR)
Application Number:09/857,154
Patent Claim Types:
see list of patent claims
Formulation; Compound; Dosage form; Device; Composition;

Drugs Protected by US Patent 6,514,531

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Sanofi Aventis Us AMBIEN CR zolpidem tartrate TABLET, EXTENDED RELEASE;ORAL 021774-002 Sep 2, 2005 AB RX Yes No ➤ Try a Free Trial ➤ Try a Free Trial Y ➤ Try a Free Trial
Sanofi Aventis Us AMBIEN CR zolpidem tartrate TABLET, EXTENDED RELEASE;ORAL 021774-001 Sep 2, 2005 AB RX Yes Yes ➤ Try a Free Trial ➤ Try a Free Trial Y ➤ Try a Free Trial
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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Foreign Priority and PCT Information for Patent: 6,514,531

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
98403037Dec 04, 1998
PCT Information
PCT FiledDecember 01, 1999PCT Application Number:PCT/EP99/10454
PCT Publication Date:June 15, 2000PCT Publication Number: WO00/33835

International Patents Family Members for US Patent 6,514,531

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Slovenia 1135125 ➤ Try a Free Trial
Portugal 1135125 ➤ Try a Free Trial
Poland 198396 ➤ Try a Free Trial
Poland 348782 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Dow
Fuji
Accenture
Colorcon
Merck
Harvard Business School
Cerilliant
Julphar
Citi

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