05681583 is referenced by 66 patents and cites 12 patents.

Multilayered controlled-release solid pharmaceutical composition in tablet form suitable for oral administration comprising at least two layers containing active material in association with excipients and additives. One layer of the tablet releases a portion of the drug quickly while the other layer and optionally further layers release portions of the drug more gradually.

Title
Multilayered controlled-release oral solid pharmaceutical forms
Application Number
8/397187
Publication Number
5681583
Application Date
April 25, 1995
Publication Date
October 28, 1997
Inventor
Paolo Giunchedi
Pavia
IT
Lauretta Maggi
Pavia
IT
Ubaldo Conte
Pavia
IT
Agent
Nixon & Vanderhye
Assignee
APR Applied Pharma Research
CH
IPC
A61K 9/24
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