Patents by Inventor Jean-Marie Dhalluin

Jean-Marie Dhalluin 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 purification of hydrogen peroxide
    Patent number: 6113798
    Abstract: Process for purification of aqueous solutions of hydrogen peroxide comprising the steps of adding one or more macroligands to said solution to form a mixture and forcing the mixture through an ultrafiltration membrane.
    Type: Grant
    Filed: August 26, 1998
    Date of Patent: September 5, 2000
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Jean-Marie Dhalluin, Jean-Jacques Wawrzyniak, Henry Ledon
  • Process for the purification of hydrogen peroxide
    Patent number: 5851402
    Abstract: Process for purification of aqueous solutions of hydrogen peroxide comprising the steps of adding one or more macroligands to said solution to form a mixture and forcing the mixture through an ultrafiltration membrane.
    Type: Grant
    Filed: October 15, 1997
    Date of Patent: December 22, 1998
    Assignee: Chemoxal S.A.
    Inventors: Jean-Marie Dhalluin, Jean-Jacques Wawrzyniak, Henry Ledon