Cataplasms containing vitamin C or its derivative
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United States of America Patent
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Mar 4, 2003
Grant Date -
N/A
app pub date -
Apr 25, 2001
filing date -
Aug 25, 1999
priority date (Note) -
Expired
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Abstract
A cataplasm comprising crosslinked polymer gel containing vitamin C or a derivative thereof and a support, wherein the gel is formed by crosslinking a polymer with two kinds of substances selected from magnesium aluminometasilicate, dried aluminum hydroxide gel and aluminum chloride is prepared.
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