Patents by Inventor Romain Billard

Romain Billard 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).

  • Composite material having an aluminosilicate matrix in particular made from barium aluminosilicate (BAS) reinforced with metal oxide reinforcements, and method for preparing same
    Patent number: 12391617
    Abstract: A composite material consisting of a matrix made of at least one aluminosilicate notably selected from barium aluminosilicate BAS, barium and strontium aluminosilicate BSAS, strontium aluminosilicate SAS, and mixtures thereof, reinforced by reinforcements made of at least one metal or metalloid oxide, the expansion coefficient of which is close to that of said at least one aluminosilicate. A method for preparing said composite material. A composite material according to the invention notably finding its application in the aeronautical or aerospace field, for example for the manufacture of radomes.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: August 19, 2025
    Assignees: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Alexandre Allemand, Romain Billard, Yann Le Petitcorps
  • COMPOSITE MATERIAL HAVING AN ALUMINOSILICATE MATRIX IN PARTICULAR MADE FROM BARIUM ALUMINOSILICATE (BAS) REINFORCED WITH METAL OXIDE REINFORCEMENTS, AND METHOD FOR PREPARING SAME
    Publication number: 20220024821
    Abstract: A composite material consisting of a matrix made of at least one aluminosilicate notably selected from barium aluminosilicate BAS, barium and strontium aluminosilicate BSAS, strontium aluminosilicate SAS, and mixtures thereof, reinforced by reinforcements made of at least one metal or metalloid oxide, the expansion coefficient of which is close to that of said at least one aluminosilicate. A method for preparing said composite material. A composite material according to the invention notably finding its application in the aeronautical or aerospace field, for example for the manufacture of radomes.
    Type: Application
    Filed: October 4, 2021
    Publication date: January 27, 2022
    Inventors: Alexandre Allemand, Romain Billard, Yann Le Petitcorps
  • Method for preparing a material made from aluminosilicate and method for preparing a composite material having an aluminosilicate matrix
    Patent number: 10717656
    Abstract: The invention relates to a method for preparing a material based on an aluminosilicate selected from barium aluminosilicate BAS, barium-strontium aluminosilicate BSAS, and strontium aluminosilicate SAS, said aluminosilicate consisting of aluminosilicate with a hexagonal structure, characterised in that it includes a single sintering step in which a mixture of powders of precursors of said aluminosilicate, including an aluminium hydroxide Al(OH)3 powder, are sintered by a hot-sintering technique with a pulsed electric field SPS; whereby a material based on an aluminosilicate, said aluminosilicate consisting of an aluminosilicate with a hexagonal structure is obtained. The material based on an aluminosilicate prepared by said method can be used in a method for preparing a composite material consisting of an aluminosilicate matrix reinforced by reinforcements made of metalloid or metal oxide.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: July 21, 2020
    Assignees: COMMISSARIAT ÀL'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Alexandre Allemand, Philippe Belleville, Yann Le Petitcorps, Romain Billard, Mickael Dolle
  • METHOD FOR PREPARING A MATERIAL MADE FROM ALUMINOSILICATE AND METHOD FOR PREPARING A COMPOSITE MATERIAL HAVING AN ALUMINOSILICATE MATRIX
    Publication number: 20180009669
    Abstract: The invention relates to a method for preparing a material based on an aluminosilicate selected from barium aluminosilicate BAS, barium-strontium aluminosilicate BSAS, and strontium aluminosilicate SAS, said aluminosilicate consisting of aluminosilicate with a hexagonal structure, characterised in that it includes a single sintering step in which a mixture of powders of precursors of said aluminosilicate, including an aluminium hydroxide Al(OH)3 powder, are sintered by a hot-sintering technique with a pulsed electric field SPS; whereby a material based on an aluminosilicate, said aluminosilicate consisting of an aluminosilicate with a hexagonal structure is obtained. The material based on an aluminosilicate prepared by said method can be used in a method for preparing a composite material consisting of an aluminosilicate matrix reinforced by reinforcements made of metalloid or metal oxide.
    Type: Application
    Filed: January 21, 2016
    Publication date: January 11, 2018
    Inventors: Alexandre Allemand, Philippe Belleville, Yann Le Petitcorps, Romain Billard, Mickael Dolle
  • COMPOSITE MATERIAL HAVING AN ALUMINOSILICATE MATRIX, IN PARTICULAR MADE FROM BARIUM ALUMINOSILICATE (BAS) REINFORCED WITH METAL OXIDE REINFORCEMENTS, AND METHOD FOR PREPARING SAME
    Publication number: 20150299052
    Abstract: A composite material consisting of a matrix made of at least one aluminosilicate notably selected from barium aluminosilicate BAS, barium and strontium aluminosilicate BSAS, strontium aluminosilicate SAS, and mixtures thereof, reinforced by reinforcements made of at least one metal or metalloid oxide, the expansion coefficient of which is close to that of said at least one aluminosilicate. A method for preparing said composite material. A composite material according to the invention notably finding its application in the aeronautical or aerospace field, for example for the manufacture of radomes.
    Type: Application
    Filed: November 19, 2013
    Publication date: October 22, 2015
    Inventors: Alexandre Allemand, Romain Billard, Yann Le Petitcorps