Hardening agent for affected tissues of the digestive system
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United States of America Patent
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Nov 28, 1995
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N/A
app pub date -
Jul 7, 1993
filing date -
Apr 25, 1990
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Abstract
The hardening agent contains a composition comprised of tannic acid and potassium aluminium sulfate in a ratio of tannic acid to potassium aluminium sulfate ranging from 10 to 1 to 1 to 50 and a stabilizing agent extracted from crude drugs of plants containing a phenol, flavon, flavonoid, catechin or a polycarboxylic acid.
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