Patents by Inventor Catherine Garel

Catherine Garel 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).

  • Functionalised polymers, method for synthesising same and use thereof as surfactants, particularly in cosmetic compositions such as nail varnish
    Patent number: 5916985
    Abstract: The invention relates to a functionalised polymer of formula:(P)--S--X--F (1)in which:(P) is a hydrophobic polymer chain obtained by radical polymerisation of at least one monomer,S represents sulphur,X represents:a saturated or unsaturated linear or branched hydrocarbon chain having 1 to 6 carbon atoms and substituted with at least one COOH or NH.sub.2 group in the free or salified forma peptide chain constituted of 2 to 4 amino acids, particularly natural amino acids,F represents a COOH or NH.sub.2 group, in the free or salified form,with the exception of the .omega.-dicarboxylic macromonomers resulting from the radical polymerisation of a monomer in the presence of a chain transfer agent constituted of thiomalic acid.
    Type: Grant
    Filed: March 28, 1997
    Date of Patent: June 29, 1999
    Assignee: LVMH Recherche
    Inventors: Carole Tondeur, Catherine Garel, Henri-Gerard Riess, Alain Meybeck, Jean-Francois Tranchant