Patent ID: 7867412
Filing Date: 2011-01-11
Classification: B01J,C02F

Abstract:
1. An aqueous dispersion to retard the rate of water loss and/or heat loss from a body of water, the dispersion consisting essentially of: a polyoxyethylene ether having the general structure of wherein R is a lauryl alcohol group (Cl n is the average number of ethylene oxide units, and n is 2; wherein the polyoxyethylene ether comprises from about 0.1% to about 90% by weight of the composition; an aqueous solvent; and from about 0.001% to about 10% of a viscosity modifying/yield agent, the viscosity modifying/yield agent being added in a quantity sufficient to stabilize the composition as an aqueous dispersion, the viscosity modifying/yield agent is chosen from the group consisting of acrylate/alkyl crosspolymers, homopolymers and/or copolymers of acrylic acid crosslinked with a polyalkyenyl polyether, carageenans, methyl cellulose, hydroxymethyl cellulose, and carboxymethyl cellulose, pectin, dextrans, starch, gum tragacanth, gum Arabic, guar gum, acacia gum, gum karaya, silica, and diatomaceous earth.