Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
June 19, 2012
Patent Application Number
12154970
Date Filed
May 28, 2008
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A sustained release formulation for opioid drugs is described. The formulation contains an opioid-ion exchange resin complex having a hybrid coating. The hybrid coating contains a cured polyvinylacetate polymer and a pH-dependent enteric coating layer mixed therein. Also provided are methods of making and using same.
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