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Serving leading biopharmaceutical companies globally:

AstraZeneca
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Cipla
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Chinese Patent Office
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Generated: January 19, 2018

DrugPatentWatch Database Preview

Details for Patent: 6,911,217

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Which drugs does patent 6,911,217 protect, and when does it expire?

Patent 6,911,217 protects DETROL LA and is included in one NDA.

Protection for DETROL LA has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.
Summary for Patent: 6,911,217
Title: Controlled release bead, a method of producing the same and multiple unit formulation comprising it
Abstract:A controlled release bead comprises: (i) a core unit of a substantially water-soluble or water-swellable inert material; (ii) a first layer on the core unit of a substantially water-insoluble polymer; (iii) a second layer covering the first layer and containing an active ingredient; and (iv) a third layer of polymer on the second layer effective for controlled release of the active ingredient, wherein the first layer is adapted to control water penetration into the core. A method of producing the controlled release bead is also disclosed.
Inventor(s): Gren; Torkel (Kalamazoo, MI), Ringberg; Anders (Stockholm, SE), Wikberg; Martin (Kullavik, SE), Wald; Randy J. (Portage, MI)
Assignee: Pharmacia AB (Stockholm, SE)
Application Number:09/763,281
Patent Claim Types:
see list of patent claims
Compound; Composition; Formulation; Dosage form; Use;

Drugs Protected by US Patent 6,911,217

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
Pharmacia And Upjohn DETROL LA tolterodine tartrate CAPSULE, EXTENDED RELEASE;ORAL 021228-001 Dec 22, 2000 AB RX Yes No ➤ Subscribe ➤ Subscribe Y ➤ Subscribe
Pharmacia And Upjohn DETROL LA tolterodine tartrate CAPSULE, EXTENDED RELEASE;ORAL 021228-002 Dec 22, 2000 AB RX Yes Yes ➤ Subscribe ➤ Subscribe Y ➤ Subscribe
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: 6,911,217

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
PCT/SE99/01463Aug 26, 1999
PCT Information
PCT FiledNovember 11, 1999PCT Application Number:PCT/SE99/02052
PCT Publication Date:May 18, 2000PCT Publication Number: WO00/27364

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Serving leading biopharmaceutical companies globally:

Deloitte
Express Scripts
UBS
Teva
Daiichi Sankyo
Boehringer Ingelheim
Johnson and Johnson
Fuji
QuintilesIMS

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