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Details for Patent: 4,144,317

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Summary for Patent: 4,144,317

Title: Device consisting of copolymer having acetoxy groups for delivering drugs
Abstract:Drug-delivery device for releasing a drug at a continuous and controlled rate for a prolonged period of time is comprised of a shaped body of polymeric material containing a pharmaceutically acceptable drug and permeable to passage of the drug by diffusion. The polymeric material is an ethylene-vinyl acetate copolymer having a vinyl acetate content of about 4 to 80% by weight and a melt index of about 0.1 to 1000 grams per 10 minutes.
Inventor(s): Higuchi; Takeru (Lawrence, KS), Hussain; Anwar (Lexington, KY)
Assignee: Alza Corporation (Palo Alto, CA)
Application Number:05/835,319
Patent Claim Types:
see list of patent claims
Delivery; Device; Dosage form;

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