05133974 is referenced by 289 patents and cites 29 patents.

An extended release pharmaceutical formulation adapted to approach zero order release of drug over a 12 to at least 24 hour period, comprised of a mixture of 0 to aobut 50% of an immediate release particle containing a drug, inert substrate and binder, coated with talc and up to 100% of an extended release particle comprising the immediate release particle coated with a dissolution modifying system containing plasticizers and a film forming agent.

Title
Extended release pharmaceutical formulations
Application Number
349533
Publication Number
5133974
Application Date
January 24, 1990
Publication Date
July 28, 1992
Inventor
Roy S Whaley
St. Louis
MO, US
James A Garegnani
Ballwin
MO, US
George N Paradissis
St. Louis
MO, US
Agent
Roper & Quigg
Assignee
KV Pharmaceutical Company
MO, US
IPC
A61K 09/36
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