FIRE-FIGHTING AGENTS CONTAINING POLYSACCHARIDES AND FLUOROCHEMICAL OLIGOMERIC SURFACTANTS
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United States of America Patent
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Issued Date -
May 24, 2001
app pub date -
May 5, 1997
filing date -
May 31, 1996
priority date (Note) -
Abandoned
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Abstract
The subject matter of the invention is a fire-fighting concentrate composition comprising (a) a fluorochemical oligomer having a plurality of pendent fluoroaliphatic groups, (b) one or more fluorochemical surfactants and one or more non-fluorinated surfactants, (c) a polysaccharide, (d) water, and (e) optionally a polymeric stabilizer and thickener other than a polysaccharide, one or more water-soluble organic solvents, and other usual additives. The fire-fighting concentrate composition of the invention is a stable low viscosity 3.times.3 fire-fighting composition having excellent fire extinguishing performance against fires of both polar and non-polar solvents.
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