Patents by Inventor Serge Grizzo

Serge Grizzo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Preparation of chromium oxide pigment with reduced chromium (vi) content
    Publication number: 20060182698
    Abstract: The invention relates to a method for preparing pigmentary composition of particles based on hydrated chromium oxide for cosmetic use in which chromium is embodied in the form of chromium (VI) in a quantity equal to or higher than 5 ppm with respect to a total mass of said particles (p). The inventive method comprises a stage (E) which consists in putting in contact (a) the particles (p0), which are based on hydrated chromium oxide and have a chromium (VI) content ranging from 20 to 1000 ppm of the total mass of said particles (p0), and (b) an iron compound (II).
    Type: Application
    Filed: September 18, 2003
    Publication date: August 17, 2006
    Inventors: Serge Grizzo, Martine Seu-Salerno, Emilie Desmarthon