Chemical compositions and methods of using them in spraying to fight fires and to cool heated surfaces rapidly
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United States of America Patent
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Apr 19, 1994
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app pub date -
Sep 25, 1992
filing date -
Oct 11, 1991
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Abstract
The fire fighting and hot surface cooling methods of this invention use a composition formed by combining a nonionic surfactant possessing a specific photoexcitable functional group with an arylphosphate, also of photoexcitable nature, in a solvent medium of composition and content that allows for a convenient workable viscosity and is resistant to effects of freezing. The ultimate water solution used for spraying to extinguish a fire or cool a surface contains from 2000 ppm of the surfactant nonylphenolethoxylate and 94 ppm of the arylphosphate, poly(oxy-1,2-ethanediyl), .alpha.-phenol-.omega.-hydroxy-(2)-phosphate to 3000 ppm surfactant and 141 ppm arylphosphate. The spray solution is applied to the fire until the desired result occurs.
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