Patents by Inventor Emmanuelle Vallier

Emmanuelle Vallier 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).

  • Method for preparing a water/oil/water multiple emulsion
    Patent number: 7319117
    Abstract: The invention concerns a method for preparing a multiple emulsion comprising an invert emulsion consisting of an internal aqueous phase dispersed in an internal organic phase, dispersed in an external aqueous phase: the internal aqueous phase comprising optionally at least a hydrophilic active substance; the internal organic phase comprising optionally at least a hydrophobic active substance; the invert emulsion comprising at least an internal surfactant and/or at least an internal amphiphilic polymer; the external aqueous phase comprising optionally at least a hydrophilic active substance and at least an external surfactant and/or an external amphiphilic polymer.
    Type: Grant
    Filed: December 2, 2002
    Date of Patent: January 15, 2008
    Assignee: Rhodia Chimie
    Inventors: Jean-Michel Mercier, Emmanuelle Vallier
  • Method for preparing a water/oil/water multiple emulsion
    Publication number: 20050019352
    Abstract: The invention concerns a method for preparing a multiple emulsion comprising an invert emulsion consisting of an internal aqueous phase dispersed in an internal organic phase, dispersed in an external aqueous phase: the internal aqueous phase comprising optionally at least a hydrophilic active substance; the internal organic phase comprising optionally at least a hydrophobic active substance; the invert emulsion comprising at least an internal surfactant and/or at least an internal amphiphilic polymer; the external aqueous phase comprising optionally at least a hydrophilic active substance and at least an external surfactant and/or an external amphiphilic polymer.
    Type: Application
    Filed: December 2, 2002
    Publication date: January 27, 2005
    Inventors: Jean-Michel Mercier, Emmanuelle Vallier