Sustained Release Composition of Memantine
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United States of America Patent
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Issued Date -
Dec 5, 2013
app pub date -
Feb 7, 2012
filing date -
Feb 17, 2011
priority date (Note) -
Abandoned
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Abstract
A sustained release pharmaceutical composition comprising; a core including memantine or its pharmaceutically acceptable salts and one or more pharmaceutical acceptable excipients, and a sustained release coating comprising a water insoluble substance and a water soluble substance where the ratio of the water insoluble substance to the water soluble substance is from about 1:0 to about 3:5:1, optionally containing an immediate release coating having memantine where the immediate release coating is applied over the sustained release coating.
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