Metal-based antimicrobial coating
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United States of America Patent
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-
Jun 12, 1990
Grant Date -
N/A
app pub date -
Oct 7, 1988
filing date -
Oct 7, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A medical device with an antimicrobial coating that is safe, effective, photostable and readily manufacturable can be produced by applying a composition to at least one body fluid-contacting surface of the device such that a solid coating is provided on that surface, the coating composition comprising an oligodynamic metal salt of a sulfonylurea, a polymeric material, at least one acid compound selected from the group consisting of a water-soluble carboxylic acid and water-insoluble carboxylic acid, and a carrier liquid in which foregoing components are soluble. The antimicrobial coating accommodates variation in the release of antimicrobial metal ions as a function of the intended use for a medical device to which the coating is applied.
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