Patents Assigned to US Cosmetics
  • Pigments and extender pigments with enhanced skin adhesion for cosmetic preparations
    Patent number: 6887494
    Abstract: A composition and method for enhancing skin adhesion of cosmetics by using pigments and extender pigments for the cosmetics, which pigments and extender pigments are treated with at least one hydrophobidizing agent and/or hydrophobidizing/lipophobidizing agent and one or more high viscosity esters having a viscosity in excess of 30 cps. The present invention further comprises such coated pigments and extender pigments as well as cosmetics made therewith.
    Type: Grant
    Filed: May 7, 2001
    Date of Patent: May 3, 2005
    Assignee: US Cosmetics
    Inventors: Masaru Kobayashi, William Zavadoski, William Kalriess, Ian Smith, Shigeru Kishida