Sterilization method
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United States of America Patent
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Mar 3, 2015
Grant Date -
Nov 10, 2011
app pub date -
Mar 10, 2010
filing date -
Mar 12, 2009
priority date (Note) -
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Abstract
By focusing on the fact that nitrogen dioxide exhibits an increased sterilizing effect among other sterilant gases including nitrogen oxide, the present invention is made to provide a sterilization method which may be suitably used for sterilizing items to be sterilized such as medical instruments which require increased reliability by using a high concentration NO2 gas of 5,000 ppm or above, for example. An inside of a sterilizing chamber containing an item to be sterilized is humidified, and a concentration of NO2 in the sterilizing chamber is made to be from 9 to 100 mg/L by filling a high concentration NO2 gas.
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