Methods for extinguishing petroleum-based fires, suppressing petroleum-released vapors and cleaning petroleum-contaminated surfaces
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United States of America Patent
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May 29, 2007
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N/A
app pub date -
Dec 4, 2003
filing date -
Aug 21, 1996
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Abstract
Compositions and methods for emulsifying a petroleum product that has been spilled upon a portion of the earth's surface or that is burning are based upon use of a nonionic, primary surfactant composition comprising a first ethoxylated sorbitol oleate and, preferably, a second ethoxylated sorbitol oleate, and a nonionic, secondary surfactant that is capable of stabilizing and solubilizing the primary surfactant composition such that the resulting emulsifying compositions have a hydrophilic/lipophilic balance between about 12.0 and about 13.5.
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