Patent Number: 8,722,579

Title: Biocidal composition for treating water

Abstract: An aqueous composition for treatment of water comprising: (a) an N,N-dimethyl-2-hydroxypropylammonium chloride polymer; (b) lanthanum chloride; and (c) a dimethylamine epichlorohydrin ethylenediamine polymer; and a method of treating water using the composition.

Inventors: Anderson; Robert Ian (Mitcham, AU), Seidl; Paul (Berwick, AU)

Assignee: Waterco Limited

International Classification: A01N 59/16 (20060101); C02F 1/56 (20060101); C02F 1/54 (20060101); C02F 1/52 (20060101); C02F 1/50 (20060101); A01N 25/30 (20060101)

Expiration Date: 5/13/12018