04069307 is referenced by 221 patents and cites 5 patents.

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.

Title
Drug-delivery device comprising certain polymeric materials for controlled release of drug
Application Number
80531
Publication Number
4069307
Application Date
May 30, 1975
Publication Date
January 17, 1978
Inventor
Anwar Hussain
Lawrence
KS, US
Takeru Higuchi
Lawrence
KS, US
Agent
Steven D Goldby
Paul L Sabatine
Assignee
Alza Corporation
CA, US
IPC
A61K 9/26
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