Patent ID: 6306409
Filing Date: 2001-10-23
Classification: A61K,A61Q,Y10S

Abstract:
A light-responding-and-high-color-rendering-makeup-cosmetic preparation comprising an observation-color-changeable-photochromic-titanium-oxide-coated mica wherein:(a) said observation-color-changeable-photochromic-titanium-oxide mica reversibly changes its color tone in response to irradiation by ultraviolet light; said color tone being visually observed as an observation color;(b) said observation-color-changeable-photochromic-titanium-oxide mica comprises:(i) mica;(ii) a layer of either titanium oxide or titanium-oxide compound coated on the surface of said mica and each having photochromic property of darkening said layer in response to changing intensity of said ultraviolet light; and(iii) metal or metal compound deposed on the surface and/or inside of said layer and whose color is observed as an object color; and(c) at least one color tone of said preparation is given by said observation color of said observation-color-changeable-photochromic-titanium-oxide mica.