Process and composition for killing spores
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United States of America Patent
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Aug 25, 2020
Grant Date -
Oct 29, 2015
app pub date -
Apr 28, 2014
filing date -
Apr 28, 2014
priority date (Note) -
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Abstract
This invention relates to a process and an aqueous composition for killing spores. The process comprises contacting the spores with the aqueous composition for a sufficient period of time to effect a desired reduction (e.g., at least a 4 log reduction) in the number of spores capable of reproduction, metabolism and/or growth. The aqueous composition comprises water, peracetic acid and hydrogen peroxide. The concentration of peracetic acid in the water may be in the range from about 0.001 to about 60% by weight, or from about 0.001 to about 0.5% by weight. The weight ratio of peracetic acid to hydrogen peroxide may be in the range from about 0.001 to about 0.5.
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