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 |
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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 |
Foreign Priority and PCT Information for Patent: 6,514,531
Foriegn Application Priority Data | ||
Foreign Country | Foreign Patent Number | Foreign Patent Date |
98403037 | Dec 04, 1998 |
PCT Information | |||
PCT Filed | December 01, 1999 | PCT Application Number: | PCT/EP99/10454 |
PCT Publication Date: | June 15, 2000 | PCT 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 a Trial | |||
Austria | 290861 | ⤷ Try a Trial | |||
Australia | 2539900 | ⤷ Try a Trial | |||
Australia | 771902 | ⤷ Try a Trial | |||
Brazil | 9915939 | ⤷ Try a Trial | |||
Canada | 2391983 | ⤷ Try a Trial | |||
China | 1212838 | ⤷ Try a Trial | |||
>Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |