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US 7,381,696 B2Granted
Aqueous foamable concentrates and methods
AssigneeThe Ansul Company
InventorsMitchell J. Hubert, Gregory R. Walker
Life of this patent
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Abstract
Novel aqueous foamable concentrates are disclosed. When mixed with a non-neutral pH aqueous liquid and foamed, the resulting foam is suitable for blanketing and neutralizing non-neutral pH hazardous material spills.
Claims26
An aqueous foam comprising an aqueous foamable concentrate foamed with non-neutral pH aqueous liquid, the aqueous foamable concentrate comprising a form-forming agent, a foam stabilization polymer, and a non-aqueous solvent.
Dependencies are inferred from the claim text.