Patents by Inventor Christelle Deneulenaere

Christelle Deneulenaere 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).

  • Process for the two-step direct dyeing of keratin fibres using basic direct dyes
    Patent number: 6045591
    Abstract: The invention relates to a process for the two-step direct dyeing of keratin fibres, comprising bleaching the keratin fibres; and applying to the keratin fibres a dye composition comprising at least one partially dissolved basic direct dye and an aqueous medium, wherein the dye composition is ready to use or results from mixing, at the time of use, at least one pulverulent composition (P) comprising at least one basic direct dye and an aqueous composition (A).
    Type: Grant
    Filed: December 7, 1998
    Date of Patent: April 4, 2000
    Assignee: L'Oreal
    Inventor: Christelle Deneulenaere