Sustained Release Suspension Preparation For Dextromethorphan
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United States of America Patent
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Issued Date -
May 9, 2013
app pub date -
Nov 7, 2012
filing date -
Nov 7, 2011
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Abandoned
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Abstract
A stabilized pharmaceutical composition comprises a drug-resin complex wherein the resin has been treated with an alkaline material prior to the formation of the drug-resin complex. The drug-resin complex may further be impregnated with an alkalizing agent, L-methionine, an antioxidant agent, or a combination thereof, or be coated with a diffusion barrier. A method of preparation of the pharmaceutical composition is provided.
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