Patents by Inventor Christian Herviou

Christian Herviou 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).

  • Organic colloidal dispersions of acidic metal values
    Patent number: 6271269
    Abstract: Storage-stable sols are comprised of a colloidal dispersion of at least one compound of an acidic metal cation, Mn+, for example, cerium (IV) and/or iron (III), in an organic phase which comprises an organic liquid medium and an organic acid. The title sols are conveniently prepared via the phase transfer of colloidal particulates from a counterpart aqueous colloidal dispersion.
    Type: Grant
    Filed: December 27, 1993
    Date of Patent: August 7, 2001
    Assignee: Rhodia Chimie
    Inventors: Jean-Yves Chane-Ching, Frederic Fabre, Christian Herviou