Patents by Inventor Etienne Labalme

Etienne Labalme 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).

  • Copolymers comprising crosslinkable protogenic groups which can be used to constitute fuel cell membranes
    Patent number: 10230121
    Abstract: The invention relates to copolymers comprising: at least one recurrent unit of the following formula (I): at least one recurrent unit of the following formula (II): and at least one recurrent unit of the following formula (III): wherein: R1 and R2 represent, independently of each other, an alkylene group; Z1 is a group of formula —PO3R3R4, R3 and R4 representing, independently of each other, a hydrogen atom, an alkyl group or a cation; Z2 is a group of formula —SO2R5, R5 representing an alkyl group or an aryl group; X and Y represent, independently of each other, a halogen atom or a perfluorocarbon group.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: March 12, 2019
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
    Inventors: Pierrick Buvat, Janick Bigarre, Julien Souquet-Grumey, Ghislain David, Etienne Labalme, Cédric Loubat, Gilles Boutevin
  • COPOLYMERS COMPRISING CROSSLINKABLE PROTOGENIC GROUPS WHICH CAN BE USED TO CONSTITUTE FUEL CELL MEMBRANES
    Publication number: 20160308230
    Abstract: The invention relates to copolymers comprising: at least one recurrent unit of the following formula (I): at least one recurrent unit of the following formula (II): and at least one recurrent unit of the following formula (III): wherein: R1 and R2 represent, independently of each other, an alkylene group; Z1 is a group of formula —PO3R3R4, R3 and R4 representing, independently of each other, a hydrogen atom, an alkyl group or a cation; Z2 is a group of formula —SO2R5, R5 representing an alkyl group or an aryl group; X and Y represent, independently of each other, a halogen atom or a perfluorocarbon group.
    Type: Application
    Filed: December 11, 2014
    Publication date: October 20, 2016
    Inventors: Pierrick Buvat, Janick Bigarre, Julien Souquet-Grumey, Ghislain David, Etienne Labalme, Cédric Loubat, Gilles Boutevin