04.04.13
US Patent No. 8,394,752 B2; The Procter & Gamble Company has patented an inorganic pearlescent agent slurry suitable for use in a liquid treatment composition. The slurry consists of inorganic pearlescent agent; organic solvent, selected from the group consisting of glycerol, sorbitol and mixtures thereof; a rheology modifier; and a surfactant.