Patents by Inventor Martin Fessard

Martin Fessard 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 of Breaking Aqueous Heavy Crude Emulsions by Adding Polar Solvents
    Publication number: 20070185219
    Abstract: The present invention relates to a method of breaking an oil-in-water emulsion, the oil essentially consisting of a heavy hydrocarbon, i.e. having a viscosity above approximately 100 centipoise at ambient temperature. According to the invention, at least one solvent defined by: a polar coefficient according to the Hansen classification above 5, a “hydrogen” coefficient according to the Hansen classification below 16, is added to the emulsion.
    Type: Application
    Filed: December 18, 2006
    Publication date: August 9, 2007
    Inventors: Jean-Francois Argillier, Isabelle Henaut, Charlotte Desquesnes, Martin Fessard