Patents by Inventor Jean-Louis Babou

Jean-Louis Babou 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 and installation for removal of metal cations from a liquid by resins with polyazacycloalkanes grafted on a support
    Patent number: 7083732
    Abstract: The invention is related to a method and an installation for removal of metal cations contained in a liquid, in which said liquid is brought into contact at a temperature greater than or equal to 60° C. with a chelating ion exchange resin formed from a polyazacycloalkane grafted on a solid support, said resin having been conditioned, previously to said contacting, at a pH of 4 to 6.
    Type: Grant
    Filed: August 25, 2000
    Date of Patent: August 1, 2006
    Assignees: Commissariat a l'Energie Atomique, Centre National de la Recherche Scientifique
    Inventors: Hervé Chollet, Jean-Louis Babou, Frédéric Barbette, Roger Guilard