Dextromethorphan tannate

Details Dextromethorphan tannate Dextromethorphan tannate

A - Human Necessities

61

K

A61K 31/085 (2006.01) A61K 9/08 (2006.01) A61K 9/20 (2006.01) A61K 31/137 (2006.01) A61K 31/44 (2006.01) A61K 31/7024 (2006.01) A61K 45/06 (2006.01) A61P 21/02 (2006.01)

Patent

CA 2412713

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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