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Details for Patent: 6,149,940

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Patent 6,149,940 protects UROXATRAL and is included in one NDA. There has been one Paragraph IV challenge on Uroxatral.

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

This patent has fifty-one patent family members in thirty-eight countries.

Summary for Patent: 6,149,940

Title: Tablet with controlled release of alfuzosine chlorhydrate
Abstract:Pharmaceutical tablet which consists of: a) a first layer having the property of swelling considerably and quickly on contact with aqueous biological fluids, the first layer being produced by compression of a mixture or of a granulate comprising hydrophilic polymers, and b) a second layer adjacent to the first layer being formulated with hydrophilic polymers and with other auxiliary substances in order to give the preparation suitable properties of compressibility and in order to allow the release of alfuzosin hydrochloride within a predetermined time period.
Inventor(s): Maggi; Lauretta (Pavia, IT), Conte; Ubaldo (Busto Arisizio., IT), Grenier; Pascal (Saint Louis, FR), Vergnault; Guy (Saint Louis, FR), Dufour; Alain (Paris, FR), Jarreau; Fran.cedilla.ois Xavier (Versailles, FR), Rauch-Desanti; Clemence (Ozoire la Ferriere, FR)
Assignee: Synthelabo (Le Plessis-Robinson, FR) Jagotec AB (Hergiswil, CH)
Application Number:09/147,581
Patent Claim Types:
see list of patent claims
Compound; Dosage form; Composition;
Patent Metrics:
Source: PatentQuant.com
Field: Not categorized
Back Citations: 5th percentile
Forward Citations: 4th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Concordia Pharms Inc
alfuzosin hydrochloride
TABLET, EXTENDED RELEASE;ORAL021287-001Jun 12, 2003RXYes6,149,940*PEDFeb 22, 2018Y
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Foreign Priority and PCT Information for Patent: 6,149,940

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
France96 10551Aug 29, 1996
France97 04386Apr 10, 1997
PCT Information
PCT FiledAugust 22, 1997PCT Application Number:PCT/FR97/01515
PCT Publication Date:March 05, 1998PCT Publication Number: WO98/08515

International Patent Family for Patent: 6,149,940

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
France2752737► subscribe
Greece3036291► subscribe
Hong Kong1020875► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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