Indicator for plasma sterilization
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United States of America Patent
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Mar 13, 2007
Grant Date -
Sep 5, 2002
app pub date -
Jun 15, 2001
filing date -
Jun 29, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a chemical indicator that is used to determine whether instruments and other products to be sterilized have experienced a sterilization treatment process or to confirm whether sterilization has been efficiently performed, by the color tone change of the indicator when sterilizing medical instruments and other products and the like by a hydrogen peroxide low temperature plasma sterilizing method. The present invention provides an indicator for plasma sterilization, wherein an ink comprising a colorless chromogenic pigment, a coloring assistant, a binder (a binding agent) and a solvent for dissolving these, is applied to or printed on a base material, and wherein a color tone change of the indicator occurs by a hydrogen peroxide low temperature sterilization method.
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