Patent ID: 7081441

Claim:
A composition for cleaning and/or treating surfaces comprising: a.) from about 0.5% to about 50% by weight of a nanoparticle component selected from the group consisting of metal oxyhydroxides, modified metal oxyhydroxides and mixtures thereof; b.) from about 2.5% to about 40% by weight of a buffer/modifier component comprising a monoacid selected from the group consisting of formic acid, lysine, aminocaproic acid, glycine and mixtures thereof; c.) optionally, an adjunct ingredient; and d.) the balance of said composition being a polar solvent; said composition having, when diluted with a sufficient amount of test water to form a solution having a nanoparticle concentration of 0.01% to 4% by weight, a pH of from about 1 to about 6.5.