Methods for extinguishing petroleum-based fires, suppressing...

Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Process of storage or protection

Reexamination Certificate

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C422S041000, C210S749000, C210S925000, C510S365000, C510S366000, C510S421000, C510S422000, C510S506000, C510S188000, C510S356000

Reexamination Certificate

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10726524

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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