Use of dioctyl sulfosuccinate salts for cleaning petroleum contaminated surfaces
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United States of America Patent
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Oct 31, 2000
Issued Date -
N/A
app pub date -
Mar 13, 2000
filing date -
Jul 30, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A composition for cleaning petroleum contaminated surfaces includes 5 to 60 percent by weight of a dioctyl sulfosuccinate salt, 20 to 50 percent by weight of a carrier composition and 10 to 75 percent by weight of a diluent. The preferred carrier composition is a mixture of polyethylene glycol and glycerol. The preferred diluent is water. The preferred concentration of sodium dioctyl sulfosuccinate is about 7% by weight. The preferred dioctyl sulfosuccinate salt is sodium dioctyl sulfosuccinate. A method of cleaning petroleum contaminated surfaces is also provided. The steps include providing a solution containing dioctyl sulfosuccinate salt, a carrier composition, and a diluent as described above and treating the petroleum contaminated surface with the solution in a manner and for a time sufficient to decontaminate the surface. The preferred method of treatment comprises contacting the solution with the petroleum contaminated surface for a time sufficient to create an emulsion and then removing the emulsion. The composition can be used to clean tissue.
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