06309668 is referenced by 190 patents and cites 16 patents.

This invention relates to an abuse resistant tablet containing two or more layers having one or more drugs and one or more gelling agents and its preparation. The drug(s) and gelling agent(s) are in separate layers of the tablet. The multilayer tablet is particularly suitable for the administration of drugs prone to abuse by unauthorized parenteral administration such as analgesics, hypnotics, and anxiolytics.

Title
Abuse resistant tablets
Application Number
8/676113
Publication Number
6309668 (B1)
Application Date
July 30, 1996
Publication Date
October 30, 2001
Inventor
Bruce Hamilton Lithgow
Dagenham
US
Richard James Bastin
Dagenham
US
Agent
George G Wang
US
Ross J Oehler
US
Assignee
Aventis Pharma
US
IPC
A61K 9/34
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