Patents by Inventor Philippe Coste

Philippe Coste 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).

  • Elastomer mix comprising PLLA and PDLA
    Patent number: 11987671
    Abstract: An elastomeric mixture comprises at least: one diene elastomer/polylactide copolymer A1 comprising a polylactide block PLLA or PDLA, where appropriate one or more other polylactide blocks which are all PLLA when the first block is PLLA or which are all PDLA when the first block is PDLA, the mass percentage of the polylactide block(s) being between 10% and 50% by weight relative to the weight of the copolymer A1, and a diene elastomer/polylactide copolymer B1 the mass percentage of the polylactide block(s) in said copolymer B1 being between 10% and 50% by weight relative to the weight of the copolymer B1, or a polylactide B2, or a mixture of said copolymer B1 and of said polylactide B2, the names PLLA and PDLA denoting a chain consisting of units of formula (I) —[CH(CH3)—C(O)—O]— (I), of which at least 70% by weight are, respectively, of L and D configuration.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: May 21, 2024
    Assignee: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN
    Inventors: Nathalie Coste, Lise Maisonneuve, Gilles Mioche, Severin Dronet, Julien Cayuela, Bertrand De Backer, Philippe Ghislain Dubois
  • Method for preparing a porous nuclear fuel based on at least one minor actinide
    Patent number: 8632705
    Abstract: A method for manufacturing a porous fuel comprising uranium, optionally plutonium and at least one minor actinide is provided. The method may comprise the following successive steps: a) a step for compacting as pellets a mixture of powders comprising uranium oxide, optionally plutonium oxide and at least one oxide of a minor actinide, at least one portion of the uranium oxide being in the form of triuranium octaoxide U3O8, the other portion being in the form of uranium dioxide UO2; b) a step for reducing at least one portion of the triuranium octaoxide U3O8 into uranium dioxide UO2.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: January 21, 2014
    Assignee: Commissariat a l'Energie Atomique et aux Energies Alternatives
    Inventors: Aurélien Jankowiak, Nathalie Herlet, Caroline Leorier, Nicolas Astier, Philippe Coste, Barbara Deschamps, Damien Prieur, Philippe Blanchart
  • METHOD FOR PREPARING A POROUS NUCLEAR FUEL BASED ON AT LEAST ONE MINOR ACTINIDE
    Publication number: 20120228788
    Abstract: A method for manufacturing a porous fuel comprising uranium, optionally plutonium and at least one minor actinide is provided. The method may comprise the following successive steps: a) a step for compacting as pellets a mixture of powders comprising uranium oxide, optionally plutonium oxide and at least one oxide of a minor actinide, at least one portion of the uranium oxide being in the form of triuranium octaoxide U3O8, the other portion being in the form of uranium dioxide UO2; b) a step for reducing at least one portion of the triuranium octaoxide U3O8 into uranium dioxide UO2.
    Type: Application
    Filed: September 1, 2010
    Publication date: September 13, 2012
    Applicant: Commissariat A' L'Energie Atomique et Aux Energies
    Inventors: Aurélien Jankowiak, Nathalie Herlet, Caroline Leorier, Nicolas Astier, Philippe Coste, Barbara Deschamps, Damien Prieur, Philippe Blanchart
  • Process for the preparation of dialkyl malonates
    Patent number: 5026900
    Abstract: A process for the preparation of alkyl malonates by carbonylation of chloroacetate in the presence of a carbonyl source, a carbonylation catalyst, such as chromium carbonyl and an aliphatic alcohol, this reaction being carried out in a two-phase liquid medium.A process for recycling the catalyst also forms part of the invention.
    Type: Grant
    Filed: May 18, 1989
    Date of Patent: June 25, 1991
    Assignee: Rhone-Poulenc
    Inventors: Philippe Coste, Philippe Leconte, Robert Perron, Michel Baudoin