Patents by Inventor Valérie Lejeune

Valérie Lejeune 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).

  • Process for the industrial synthesis of sordidin
    Patent number: 9663531
    Abstract: The present invention relates to a process for preparing sordidin, comprising a step of preparing 4-(2-ethyl-1,3-dioxolan-2-yl)pentan-2-one by means of a reaction in which 2-ethyl-2-(pent-4-en-2-yl)-1,3-dioxolane is oxidized in the presence of a catalyst chosen from the group comprising organometallic complexes of transition metals.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: May 30, 2017
    Assignees: M2I DEVELOPMENT, M2I SALIN
    Inventors: Samuel Dufour, Valérie LeJeune, Hubert Sevestre
  • PROCESS FOR THE INDUSTRIAL SYNTHESIS OF SORDIDIN
    Publication number: 20160355526
    Abstract: The present invention relates to a process for preparing sordidin, comprising a step of preparing 4-(2-ethyl-1,3-dioxolan-2-yl)pentan-2-one by means of a reaction in which 2-ethyl-2-(pent-4-en-2-yl)-1,3-dioxolane is oxidized in the presence of a catalyst chosen from the group comprising organometallic complexes of transition metals.
    Type: Application
    Filed: December 30, 2014
    Publication date: December 8, 2016
    Applicants: M2I DEVELOPMENT, M2I SALIN
    Inventors: Samuel DUFOUR, Valérie LEJEUNE, Hubert SEVESTRE
  • Process for the production of fluorine containing alpha-hydroxy carboxylic acids
    Publication number: 20100015675
    Abstract: A process for the production of a fluorine containing ?-hydroxy carboxylic acid by hydrolyzing a fluorine containing ?-hydroxy nitrite in the presence of a nitrilase.
    Type: Application
    Filed: July 18, 2007
    Publication date: January 21, 2010
    Applicant: SOLVAY FLUOR GMBH
    Inventors: Max Braun, Valérie Lejeune, Véronique Mathieu
  • Foil with iridescent appearance and method for the production thereof
    Publication number: 20060231225
    Abstract: The invention relates to a foil with iridescent appearance comprising a layer formed by iridescent pigments mixed with hollow plastic microspheres arranged on the surface of said foil. Said invention also relates to a method for producing a foil with iridescent appearance consisting in coating a substrate with a layer which consists of a mixture of iridescent pigments and an aqueous dispersion of plastic hollow microspheres with the aid of a coating device, in drying said coating and in calendering the thus obtained layer.
    Type: Application
    Filed: December 30, 2003
    Publication date: October 19, 2006
    Applicant: Arjo Wiggins
    Inventor: Valerie Lejeune