Patents by Inventor Emmanuel BEYOU

Emmanuel BEYOU 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).

  • Patent number: 12286497
    Abstract: Process of grafting of a polyethylene-containing material to produce a modified polyethylene composition comprising providing a twin screw extruder with one or more thermal regulation devices; a polyethylene-containing material and a grafting agent and extruding the polyethylene-containing material and the grafting agent to obtain a modified polyethylene composition; the step of extruding comprises a thermal treatment of the polyethylene-containing material by self-heating of the material at a maximum barrel temperature Ts ranging from 315° C. to 410° C. in one or more hot zones of the extruder.
    Type: Grant
    Filed: March 2, 2023
    Date of Patent: April 29, 2025
    Assignees: TOTALENERGIES ONETECH, UNIVERSITÉ CLAUDE BERNARD LYON 1 (UCBL), CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), UNIVERSITÉ JEAN MONNET SAINT-ETIENNE, INSTITUT NATIONAL DES SCIENCES APPLIQUÉES DE LYON (INSA LYON)
    Inventors: Olivier Lhost, Pascal Navez, Yves Trolez, Philippe Cassagnau, Mohammad Abou-Taha, Karim Delage, Emmanuel Beyou
  • Publication number: 20250109232
    Abstract: Process of grafting of a polyethylene-containing material to produce a modified polyethylene composition comprising providing a twin screw extruder with one or more thermal regulation devices; a polyethylene-containing material and a grafting agent and extruding the polyethylene-containing material and the grafting agent to obtain a modified polyethylene composition; the step of extruding comprises a thermal treatment of the polyethylene-containing material by self-heating of the material at a maximum barrel temperature Ts ranging from 315° C. to 410° C. in one or more hot zones of the extruder.
    Type: Application
    Filed: March 2, 2023
    Publication date: April 3, 2025
    Inventors: Olivier LHOST, Pascal NAVEZ, Yves TROLEZ, Philippe CASSAGNAU, Mohammad ABOU-TAHA, Karim DELAGE, Emmanuel BEYOU