Dermal bandage and dermal preparation
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United States of America Patent
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Nov 14, 1989
Issued Date -
N/A
app pub date -
Oct 31, 1988
filing date -
Nov 8, 1985
priority date (Note) -
Expired
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Abstract
A dermal bandage comprising a film-like adhesive material comprising at least one of polycarboxylic acids and polycarboxylic acid anhydrides, and a vinyl accetate polymer, and a dermal preparation comprising a film-like adhesive material containing drug, comprising at least one of polycarboxylic acids and polycarboxylic acid anhydride, and a vinyl acetate polymer are disclosed. The dermal bandage and dermal preparation exhibit strong adhesion of long duration only upon water absorption and is useful for prevention of running off of drugs applied to the skin or protection of affected parts of the skin.
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