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Claims for Patent: 4,950,486

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Claims for Patent: 4,950,486

Title: Dosage form for treating cardiovascular diseases
Abstract:An osmotic device is disclosed comprising a first composition, and a second composition with the beneficial drug isradipine in the first composition.
Inventor(s): Ayer; Atul D. (Palo Alto, CA), Swanson; David R. (Palo Alto, CA), Kuczynski; Anthony L. (Palo Alto, CA)
Assignee: Alza Corporation (Palo Alto, CA)
Application Number:07/267,904
Patent Claims: 1. A composition for use in an osmotic device, said composition comprising about 2 weight percent to 30 weight percent of isradipine, a polyethylene oxide comprising a molecular weight of about 200,000 to about 300,000 and a hydroxypropylemthylecellulose comprising a number average molecular weight of about 9,000 to 15,000.
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