Patent ID: 8075684
Filing Date: 2011-12-13
Classification: C04B,C08K,C09D

Abstract:
1. An aqueous liquid for application to natural and construction surfaces to impart a natural and substantially permanent coloration to the surfaces, the aqueous liquid comprising: between about 0.04M and 1.0M primary coloring metal salts selected from the group consisting of iron, manganese and mixtures thereof, wherein the counterion is selected from the group consisting of nitrate, chloride and sulfate and mixtures thereof; between about 0.4% by weight and 8.5% by weight of a sugar selected from the group consisting of high fructose corn syrup, glucose, sucrose and mixtures thereof; between about 0.0006% by weight and 0.4% by weight of an organic complexing-matrix agent selected from humic acid, ulmic acid, fulvic acid and mixtures thereof; a preservative; and water.