04052505 is referenced by 156 patents and cites 2 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
Ocular therapeutic system manufactured from copolymer
Application Number
80531
Publication Number
4052505
Application Date
July 15, 1976
Publication Date
October 4, 1977
Inventor
Anwar Hussain
Lexington
KY, US
Takeru Higuchi
Lawrence
KS, US
Agent
Steven D Goldby
Paul L Sabatine
Assignee
Alza Corporation
CA, US
IPC
A61K 9/22
A61K 9/00
View Original Source