Patents by Inventor Michel Dussaulx

Michel Dussaulx 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: 8043694
    Abstract: Porous ceramic part comprising a porous ceramic foam having a total porosity of between 50 and 92% and an intergranular porosity of at least 5%, walls of at least some of the cells of the ceramic foam being at least partly covered with an impregnation material. The invention relates in particular to a recrystallized silicon carbide foam impregnated with silicon.
    Type: Grant
    Filed: January 30, 2007
    Date of Patent: October 25, 2011
    Assignee: Saint Gobain Centre de Recherches et d'Etudes Europeen
    Inventors: Christian Claude His, Franceline Villermaux, Nicolas Raffin, Michel Dussaulx
  • Publication number: 20090305017
    Abstract: Porous ceramic part comprising a porous ceramic foam having a total porosity of between 50 and 92% and an intergranular porosity of at least 5%, walls of at least some of the cells of the ceramic foam being at least partly covered with an impregnation material. The invention relates in particular to a recrystallized silicon carbide foam impregnated with silicon.
    Type: Application
    Filed: January 30, 2007
    Publication date: December 10, 2009
    Applicant: Saint-Gobain Centre De Recherches Et d'Etudes Europeen
    Inventors: Christian Claude His, Franceline Villermaux, Nicolas Raffin, Michel Dussaulx
  • Patent number: 5286685
    Abstract: The invention relates to refractory materials which comprise:(A) grains of at least one refractory material whose melting point and thermal decomposition temperature are higher than 1700.degree. C.;(B) a binding matrix which binds these grains together and predominantly consists of aluminum nitride AlN of hexagonal structure and/or of at least one of the polytypes of AlN; and(C) hexagonal boron nitride particles and/or crystalline graphite flakes dispersed in the binding matrix.Applications in iron and steel metallurgy, in particular as plates in a slide closure device.
    Type: Grant
    Filed: December 7, 1992
    Date of Patent: February 15, 1994
    Assignee: Savoie Refractaires
    Inventors: Jacques P. R. Schoennahl, Michel Dussaulx
  • Patent number: 4990469
    Abstract: The present invention relates to a refractory material which consists of 63 to 82 weight percent of SiC, 15 to 27 weight percent of Si.sub.3 N.sub.4 and 3 to 10 weight percent of inorganic oxides.
    Type: Grant
    Filed: August 19, 1988
    Date of Patent: February 5, 1991
    Assignee: Norton GmbH
    Inventors: Michel Dussaulx, Francisco Lorenzo