Patents by Inventor Frédérick Dehay

Frédérick Dehay 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 RECOVERING SUCCINIC ACID CRYSTALS USING SURFACTANTS DURING CRYSTALLISATION, AND RESULTING CRYSTALS
    Publication number: 20170362157
    Abstract: The invention relates to a method for producing succinic acid crystals, comprising double crystallisation and the use of at least one surfactant during the first crystallisation step. The invention also relates to the succinic acid crystals obtained from a fermentation medium, characterised in that they have a colour index b, measured in the reference system L, a, b, that is less than or equal to 1.00, preferably less than or equal to 0.90, and, better still, less than or equal to 0.80.
    Type: Application
    Filed: November 26, 2015
    Publication date: December 21, 2017
    Applicant: Roquette Freres
    Inventors: Pierrick Duflot, Pierre Lanos, Baptiste Boit, Frédérick Dehay, Laurent Rossi