Contaminant-tolerant foaming additive
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United States of America Patent
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app pub date -
Aug 10, 2004
filing date -
Oct 24, 2001
priority date (Note) -
Abandoned
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Abstract
A composition of an aqueous, an aqueous acid, and an aqueous alkaline foaming additive ('foamer') functions in a wide pH range and under conditions of salt, alcohol, and hydrocarbon contamination. The foaming additive ('foamer') composition includes a mixture of a salt of an alkyl ether sulfate surfactant, a polymer or combination of polymers, and either a water miscible solvent for the liquid foamer additive or a silicon compound for a substantially anhydrous foamer additive.
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