Patents Examined by Eisha Elhilo
  • Process for the preparation of a dyeing composition for the dyeing of keratinous fibers from pressurized steam
    Patent number: 7018428
    Abstract: Disclosed herein is a process for the preparation of a dyeing composition intended for dyeing keratinous fibers comprising percolating pressurized steam through a suitable pulverulent compound, as well as a device for packaging such a compound and a dyeing process using such a dyeing composition.
    Type: Grant
    Filed: July 25, 2003
    Date of Patent: March 28, 2006
    Assignee: L'Oreal
    Inventors: Jean-François Grollier, Roland De La Mettrie, François Cottard