Sulfated tannins and their salts
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United States of America Patent
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Oct 27, 1992
Grant Date -
N/A
app pub date -
Dec 14, 1989
filing date -
Dec 20, 1988
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Expired
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Abstract
Sulfated tannins or salts thereof are herein disclosed. These compounds can be prepared by a method which comprises reacting tannin with a sulfonating agent under a basic condition. These compounds show antiviral activity and reverse transcriptase inhibitor, effects and can be used to treat patients infected with a variety of virus such as AIDS virus, herpesvirus, influenza virus or rhinovirus.
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