powder cosmetic composition

powder cosmetic composition

  • CN 101,917,958 B
  • Filed: 11/13/2008
  • Issued: 11/25/2015
  • Est. Priority Date: 12/03/2007
  • Status: Active Grant
First Claim
Patent Images

1. prepare a method for solid color cosmetic products, it comprises:

  • (a) provide be substantially free of volatile solvent, mixture containing following composition;

    I () has the Wax particles being less than 30 microns of median particle diameters, wherein wax has the fusing point of 30 DEG C to 140 DEG C, and wax forms 3 to 25% weight of mixture, wherein said Wax particles comprises one or more wax, described wax is selected from silicone wax, Brazil wax, Cera Flava, synthetic wax, microwax, Tissuemat E and combination thereof(ii) have 0.01 micron to be less than 50 microns of median particle diameters, the first pulverulent material of contain toner, and(iii) have 50 microns of the second pulverulent materials to 300 microns of median particle diameters, wherein said the second pulverulent material is selected from coloring agent, filler and binding agent;

    B described mixture is heated to the temperature being enough to melt described Wax particles by ();

    WithC described mixture cools by ().

View all claims

    Thank you for your feedback