Method and element for controlling release of a disinfectant from a substrate
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United States of America Patent
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Jun 6, 1995
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N/A
app pub date -
Feb 21, 1992
filing date -
Feb 21, 1992
priority date (Note) -
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Abstract
This present invention provides an element for controlling release of a quaternary disinfectant in aqueous solutions comprising a substrate coated with the residue of an aqueous composition of a water soluble polymer and a quaternary ammonium disinfectant characterized in that the water soluble polymer has weight average molecular weight of 85,000 to 186,000 and a degree of hydrolysis of 87 to 89 percent.
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