Patents by Inventor Maxime HUCHEDE

Maxime HUCHEDE 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 PREPARATION OF HEXAMETHYLENEDIAMINE BY HYDROGENATION OF ADIPONITRILE WITH REDUCED FORMATION OF DIAMINOCYCLOHEXANE
    Publication number: 20230150918
    Abstract: The present invention relates to a process for the preparation of hexamethylenediamine by hydrogenation of adiponitrile in the presence of a Raney nickel catalyst, wherein a Raney nickel catalyst modified by treatment with carbon monoxide or carbon dioxide in a liquid medium is used.
    Type: Application
    Filed: March 24, 2021
    Publication date: May 18, 2023
    Inventors: Maxime HUCHEDE, Sandra CHOUZIER
  • PROCESS FOR THE PREPARATION OF HEXAMETHYLENEDIAMINE BY HYDROGENATION OF ADIPONITRILE IN THE PRESENCE OF RANEY NICKEL AND A BASIC CO-CATALYST
    Publication number: 20230128673
    Abstract: The present invention relates to a process for the preparation of hexamethylenediamine by hydrogenation of adiponitrile in the presence of a Raney nickel catalyst and a basic co-catalyst containing potassium hydroxide, wherein the basic co-catalyst contains a further basic compound selected from the group consisting of alkaline hydroxides, alkaline earth hydroxides and ammonium hydroxides.
    Type: Application
    Filed: March 24, 2021
    Publication date: April 27, 2023
    Inventors: Maxime HUCHEDE, Sandra CHOUZIER
  • PROCESS FOR PRODUCING CYCLOHEXANOL AND CYCLOHEXANONE
    Publication number: 20230029768
    Abstract: The invention concerns a method for preparing a mixture containing cyclohexanol and cyclohexanone, comprising the step of hydrogenating cyclohexyl hydroperoxide in cyclohexane in the presence of a Raney nickel catalyst to give cyclohexanol and cyclohexanone.
    Type: Application
    Filed: December 17, 2020
    Publication date: February 2, 2023
    Inventors: Maxime HUCHEDE, Thi Thu Huong PHAN