Patents by Inventor Sebastien Bourdonnais

Sebastien Bourdonnais 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: 8497222
    Abstract: A molten and cast refractory material having a chemical composition, in weight percent on the basis of oxides, of: —Al2O3: the remainder up to 100%; —MgO: 28% to 50%; —CuO: 0.05% to 1.0%; —B2O3: ?1.0%; —SiO2: <0.5%; —Na2O+K2O: <0.3%; —CaO: <1.0%; —Fe2O3+TiO2: <0.55%; —and other oxide species: <0.5%.
    Type: Grant
    Filed: June 1, 2010
    Date of Patent: July 30, 2013
    Assignee: Saint-Gobain Centre de Recherches et d'Etudes Europeen
    Inventors: Eric Jorge, Sebastien Bourdonnais
  • Publication number: 20120100043
    Abstract: A molten and cast refractory material having a chemical composition, in weight percent on the basis of oxides, of: —Al2O3: the remainder up to 100%; —MgO: 28% to 50%; —CuO: 0.05% to 1.0%; —B2O3: ?1.0%; —SiO2: <0.5%; —Na2O+K2O: <0.3%; —CaO: <1.0%; —Fe2O3+TiO2: <0.55%; —and other oxide species: <0.5%.
    Type: Application
    Filed: June 1, 2010
    Publication date: April 26, 2012
    Applicant: Saint-Gobain Centre De Recherches Et D'Etudes Europeen
    Inventors: Eric Jorge, Sebastien Bourdonnais