Patents by Inventor Jean-Michel Gras

Jean-Michel Gras 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).

  • Patent number: 8921117
    Abstract: A method for determining the amount of hydrocarbons in a composition including hydrocarbons and water is provided. The method includes adding a chemical agent to the composition in order to form an emulsion of water and hydrocarbons, taking a sample of the emulsion and dissolving this sample in a common solvent for water and hydrocarbons in order to form a solution, and measuring the amount of hydrocarbons in the solution. An installation suitable for implementing this method is also provided.
    Type: Grant
    Filed: January 3, 2012
    Date of Patent: December 30, 2014
    Assignee: Total S.A.
    Inventors: Maurice Bourrel, Jean-Michel Gras
  • Publication number: 20130277551
    Abstract: A method for determining the amount of hydrocarbons in a composition including hydrocarbons and water, includes: adding a chemical agent to the composition in order to form an emulsion of water and hydrocarbons; taking a sample of the emulsion and dissolving this sample in a common solvent for water and hydrocarbons in order to form a solution; measuring the amount of hydrocarbons in the solution. An installation suitable for implementing this method is also provided.
    Type: Application
    Filed: January 3, 2012
    Publication date: October 24, 2013
    Applicant: TOTAL S.A.
    Inventors: Maurice Bourrel, Jean-Michel Gras