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Last Updated: November 22, 2019

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.

This patent has one hundred and thirty-seven patent family members in forty-four countries.

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 Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 6,911,217
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 Submissiondate
Pharmacia And Upjohn DETROL LA tolterodine tartrate CAPSULE, EXTENDED RELEASE;ORAL 021228-001 Dec 22, 2000 AB RX Yes No   Start Trial   Start Trial Y   Start Trial
Pharmacia And Upjohn DETROL LA tolterodine tartrate CAPSULE, EXTENDED RELEASE;ORAL 021228-002 Dec 22, 2000 AB RX Yes Yes   Start Trial   Start Trial Y   Start Trial
>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: 6,911,217

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

International Family Members for US Patent 6,911,217

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
African Regional IP Organization (ARIPO) 1323   Start Trial
African Regional IP Organization (ARIPO) 1529   Start Trial
Argentina 027815   Start Trial
Argentina 029311   Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

Medtronic
Boehringer Ingelheim
Merck
Mallinckrodt
Moodys
AstraZeneca

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