Antimicrobial hydrogel formulation
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United States of America Patent
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Jan 30, 2018
Grant Date -
Apr 10, 2014
app pub date -
Oct 9, 2013
filing date -
Oct 9, 2012
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Abstract
A hydrogel formulation is provided for use with a film. The hydrogel formulation includes a medical-grade hydrogel and an antimicrobial substance. This hydrogel formulation may be coated onto one or more surfaces of a medical-grade transparent film suitable for a wound dressing. The antimicrobial material may be a silane quaternary ammonium salt. The silane quaternary ammonium salt may comprise 3-(trimethoxysilyl) propyldimethyloctadecyl ammonium chloride. The 3-(trimethoxysilyl) propyldimethyloctadecyl ammonium chloride may constitute about 72% by weight of the silane quaternary ammonium salt. The medical-grade hydrogel may comprise a colloidal gel in which the particles are dispersed in water. Further, the hydrogel formulation may include about 0.01% to about 60% by weight of the antimicrobial substance. The transparent film may further include a release liner applied over the coated side(s) of the transparent film. The transparent film may comprise polyurethane.
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