Patents by Inventor Russell Tayouo

Russell Tayouo 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 phosphonate and/or phosphonic acid groups, usable for forming fuel cell membranes
    Patent number: 9138691
    Abstract: Copolymers comprising at least one recurrent unit of the following formula (I) are provided: and at least one recurrent unit of the following formula (II): wherein: R1 is an alkylene group; Z is a —PO3R3R4, R3 and R4 representing independently of each other, a hydrogen atom an alkyl group, a cation; X and Y represent, independently of each other, a halogen atom, a perfluorocarbon group.
    Type: Grant
    Filed: October 19, 2010
    Date of Patent: September 22, 2015
    Assignees: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Russell Tayouo, Ghislain David, Bruno Ameduri, Stéphanie Roualdes, Hervé Galiano, Jannick Bigarre
  • COPOLYMERS COMPRISING PHOSPHONATE AND/OR PHOSPHONIC ACID GROUPS, USABLE FOR FORMING FUEL CELL MEMBRANES
    Publication number: 20120219878
    Abstract: Copolymers comprising at least one recurrent unit of the following formula (I) are provided: and at least one recurrent unit of the following formula (II): wherein: R1 is an alkylene group; Z is a —PO3R3R4, R3 and R4 representing independently of each other, a hydrogen atom an alkyl group, a cation; X and Y represent, independently of each other, a halogen atom, a perfluorocarbon group.
    Type: Application
    Filed: October 19, 2010
    Publication date: August 30, 2012
    Applicant: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Russell Tayouo, Ghislain David, Bruno Ameduri, Stéphanie Roualdes, Hervé Galiano, Jannick Bigarre