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Last Updated: September 17, 2021

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Details for Patent: 6,514,531


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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 Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 6,514,531
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 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

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 Family Members for US Patent 6,514,531

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 021535 ⤷  Try it Free
Austria 290861 ⤷  Try it Free
Australia 2539900 ⤷  Try it Free
Australia 771902 ⤷  Try it Free
Brazil 9915939 ⤷  Try it Free
Canada 2391983 ⤷  Try it Free
China 1212838 ⤷  Try it Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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