Patents by Inventor Marie-Helene Beausoleil

Marie-Helene Beausoleil 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).

  • Oil-in-water emulsion formulation containing free and entrapped hydroquinone and retinol
    Publication number: 20030032680
    Abstract: An oil-in-water emulsion formulation containing hydroquinone and retinol, which comprises an oil-in-water emulsion containing free hydroquinone, hydroquinone entrapped in absorbent micro-agglomerates and/or impregnated in porous microparticles; and retinol-impregnated microparticles.
    Type: Application
    Filed: May 16, 2002
    Publication date: February 13, 2003
    Inventors: B. Sandhya Singh, Subhash J. Saxena, Marie-Helene Beausoleil