Patent ID: 9181436
Filing Date: 2015-11-10
Classification: A61K,A61Q,C09C

Abstract:
1. Cosmetic pigments comprising particles, wherein surfaces of the particles are coated with a mannosylerythritol lipid of formula (1): wherein R R n is an integer in the range of 2 to 4, wherein the particles, the surfaces of which are coated with the mannosylerythritol lipid, comprise 1 to 3 percent by mass of the mannosylerythritol lipid, wherein the particles, the surfaces of which are coated with the mannosylerythritol lipid, are at least one selected from the group consisting of inorganic powders, organic powders, surfactant metal salt powders, pearl pigments, colored pigments, and metal powder pigments, and wherein the inorganic powders are at least one selected from the group consisting of titanium oxide; zirconium oxide; zinc oxide; cerium oxide; magnesium oxide; barium sulfate; calcium sulfate; magnesium sulfate; calcium carbonate; magnesium carbonate; talc; mica; kaolin; sericite; white mica; synthetic mica; bronze mica; lepidolite; iron mica; lithia mica; silicic acid; silicic anhydride; aluminum silicate; magnesium silicate; magnesium aluminum silicate; calcium silicate; barium silicate; strontium silicate; tungstic acid metal salt; hydroxyapatite; vermiculite; higilite; bentonite; montmorillonite; hectorite; zeolite; ceramics powder; dicalcium phosphate; alumina; aluminum hydroxide; and boron nitride.