Sustained release formulations
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United States of America Patent
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Issued Date -
Dec 14, 2006
app pub date -
Dec 27, 2005
filing date -
Dec 27, 2004
priority date (Note) -
Abandoned
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Abstract
The invention provides sustained release formulations of basic drugs, stereoisomers of basic drugs, pharmaceutically acceptable salts of basic drugs, and pharmaceutically acceptable salts of stereoisomers of basic drugs. The basic drugs may be anti-dementia drugs, such as cholinesterase inhibitors or memantine. In one embodiment, the cholinesterase inhibitor is donepezil.
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