Patents by Inventor Christelle Grimault

Christelle Grimault 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).

  • Composition for the oxidation dyeing of keratin fibers, comprising at least two oxidation bases and an indole coupler, and dyeing process
    Patent number: 6093219
    Abstract: The present invention relates to a composition for the oxidation dyeing of keratin fibers, in particular human keratin fibers such as the hair, comprising at least two oxidation bases which are different from each other in combination with a suitably selected indole coupler, and to the dyeing process using this composition with an oxidizing agent.
    Type: Grant
    Filed: March 13, 1998
    Date of Patent: July 25, 2000
    Assignee: L'Oreal
    Inventors: Marie-Pascale Audousset, Jean Cotteret, Roland de la Mettrie, Christelle Grimault