Guaifenesin tannate
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United States of America Patent
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Jan 13, 2004
Grant Date -
N/A
app pub date -
Dec 14, 2001
filing date -
Dec 14, 2001
priority date (Note) -
Expired
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Abstract
The invention pertains to a novel composition comprising guaifenesin tannate and to a method for preparing guaifenesin tannate by reacting guaifenesin with tannic acid at a temperature above the melting point of guaifenesin. The guaifenesin tannate has extended release properties and is useful in pharmaceutical compositions as an expectorant in warm-blooded animals or as a muscle relaxant in non-human animals.
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