Dispenser for carpet cleaner

Details Dispenser for carpet cleaner Dispenser for carpet cleaner

C - Chemistry, Metallurgy

11

D

134/3

C11D 17/00 (2006.01)

Patent

CA 1312253

ABSTRACT A dispenser for cleaning carpets comprising a closed container, propellant and solvent/surfactant admixture-containing chamber and dispensing head. The dispenser contains an aqueous solvent/surfactant admixture whereby the solvent having a consistent evaporation rate in ambient air and the surfactant is foam-forming. The dispenser delivers under pressure the solvent/surfactant admixture onto a fabric surface, whereupon the solvent/surfactant admixture forms an initial foam, then collapses without abrasion during a controlled residence time. The solvent in the mixture thereafter evaporates, causing a second foam to form and rise through the fabric surface. The surfactant is present in an amount of about 0.1% to 30.0% by weight; the solvent is present in an amount of about 0.5% to 30% by weight; and the propellant is present in an amount of about 1.0% to 30.0% by weight.

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