Which drugs does patent 6,911,217 protect, and when does it expire?
|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)|
Patent Claim Types:|
see list of patent claims
|Compound; Composition; Formulation; Dosage form; Use;|
|Applicant||Tradename||Generic Name||Dosage||NDA||Approval Date||Type||RLD||RS||Patent No.||Patent Expiration||Product||Substance||Delist Req.||Patented / Exclusive Use|
Pharmacia And Upjohn
|CAPSULE, EXTENDED RELEASE;ORAL||021228-001||Dec 22, 2000||RX||Yes||No||6,911,217*PED||► Subscribe||Y|
Pharmacia And Upjohn
|CAPSULE, EXTENDED RELEASE;ORAL||021228-002||Dec 22, 2000||RX||Yes||Yes||6,911,217*PED||► Subscribe||Y|
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