Compositions and methods for dispersing and biodegrading spilled petroleum oils and fuels
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United States of America Patent
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May 19, 1998
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app pub date -
Aug 21, 1996
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 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 emulsifing compositions have a hydrophilic/lipophilic balance between about 12.0 and about 13.5.
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