Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mark Tengler0
Russell McMahen0
Date of Patent
July 7, 2015
0Patent Application Number
138445840
Date Filed
March 15, 2013
0Patent Citations Received
Patent Primary Examiner
Patent abstract
Pharmaceutical compositions of methylphenidate complexed with ion-exchange resin particles to form drug-resin particles are provided. The compositions have a first plurality of drug-resin particles that are uncoated and a second plurality of drug-resin particles that are coated with a delayed release coating. Preferably, the second plurality of drug-resin particles are coated with a triggered-release coating triggered by a pH change and a diffusion barrier coating.
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