Fire fighting foaming compositions
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United States of America Patent
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Apr 30, 2013
Grant Date -
Nov 4, 2010
app pub date -
Jun 29, 2007
filing date -
Jun 29, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a first aspect a fire fighting foaming composition contains a partially acetylated polyvinyl alcohol. In a second aspect the fire fighting foaming composition contains chitosan together with a surfactant such as a protein derived surfactant or a hydrocarbon surfactant which is either amphoteric or non-ionic. The compositions can form effective fire fighting foams in the absence of fluorinated surfactants and other fluorinated compounds.
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