Methods of disinfection or sterilization
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United States of America Patent
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Jun 9, 2015
Grant Date -
Aug 8, 2013
app pub date -
Jan 29, 2013
filing date -
Feb 2, 2007
priority date (Note) -
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Abstract
Methods for disinfecting or sterilizing an article are provided. One method includes vaporizing a solution comprising a biocide in a solvent having a first biocide:solvent ratio, directing a flow of the vapor to a first side of a membrane; directing an alternate flow of a gas to a second side of the membrane to increase the first biocide:solvent ratio on the first side to a second biocide:solvent ratio greater than the first biocide:solvent ratio thereby producing a concentrated vapor on the first side of the membrane, and contacting the article with the concentrated vapor for a time sufficient to disinfect or sterilize it.
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