Antimicrobial coating for erosive environments
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United States of America Patent
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Sep 8, 2009
Grant Date -
Jun 5, 2008
app pub date -
Dec 31, 2007
filing date -
Jun 24, 2004
priority date (Note) -
Expired
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Abstract
This invention provides for a curable antimicrobial coating system comprising a base coating composition and a top coat coating composition wherein each contains and antimicrobial agent. The base coat forms a non-hydrophilic polymer layer and the top coat preferably forms a hydrophilic polymer layer or a non-hydrophilic polymer layer which does not preclude the release of the antimicrobial agent. This two-layer coating is especially designed for erosive environments and provides continual antimicrobial activity regardless of the stage of wear or erosion.
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