Patents by Inventor Julien Fourcade

Julien Fourcade 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).

  • Doped sintered product based on zircon and zirconia
    Patent number: 9573850
    Abstract: A sintered product made from a starting batch containing 5 to 50% zircon and having the following average chemical composition, in weight percentages on the basis of the oxides and for a total of 100%: silica and zirconia, the zirconia content (ZrO2) being at least 64%, at least 0.2% of a dopant selected from V2O5, Nb2O5, Ta2O5, and mixtures thereof, optionally, a stabilizer selected from Y2O3, MgO, CaO, CeO2, and mixtures thereof, at a content of 6% or less, “other oxides” at a content of 6.7% or less.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: February 21, 2017
    Assignee: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN
    Inventors: Olivier Citti, Julien Fourcade, Michel Gaubil, Charles Nicholas McGarry, Michael J. Seaborne
  • Sintered material based on doped chromium oxide
    Patent number: 9242885
    Abstract: A sintered product having an average chemical composition such that, in weight percentages on the basis of the oxides: Cr2O3=80.0-99.0%; 0.5%?TiO2?9.0%; 0.2%?MgO?3.0%; and ZrO2?5.0%, provided that the ratio of TiO2/MgO is between 1.5 and 9.0 and the molar ratio TiO2/Cr2O3 is less than 0.12.
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: January 26, 2016
    Assignee: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN
    Inventors: Olivier Citti, Julien Fourcade
  • SINTERED MATERIAL BASED ON DOPED CHROMIUM OXIDE
    Publication number: 20140013807
    Abstract: A sintered product having an average chemical composition such that, in weight percentages on the basis of the oxides: Cr2O3=80.0-99.0%; 0.5%?TiO2?9.0%; 0.2%?MgO?3.0%; and ZrO2?5.0%, provided that the ratio of TiO2/MgO is between 1.5 and 9.0 and the molar ratio TiO2/Cr2O3 is less than 0.12.
    Type: Application
    Filed: February 9, 2012
    Publication date: January 16, 2014
    Applicant: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN
    Inventors: Olivier Citti, Julien Fourcade
  • Sintered product based on chromium oxide
    Patent number: 8609563
    Abstract: A sintered product presenting a mean chemical composition such that, in percentages by weight based on the oxides: Cr2O3: 72.0%-98.9% 2%<Al2O3?20% 0.1%?TiO2?6.0% ZrO2<4.0% SiO2?0.9%.
    Type: Grant
    Filed: April 15, 2010
    Date of Patent: December 17, 2013
    Assignee: Saint-Gobain Centre de Recherches et d'Etudes Europeen
    Inventors: Olivier Citti, Julien Fourcade
  • Sintered product based on alumina and chromium oxide
    Patent number: 8263514
    Abstract: The invention provides a sintered product presenting an apparent density greater than 4.00 g/cm3 and having the following mean chemical composition, as a percentage by weight based on the oxides and for a total of 100%: Al2O2: complement to 100% 16%?Cr2O3?29.5% TiO2 in a quantity such that the Cr2O3/TiO2 weight ratio is greater than 16 and less than 35, other species: ?1% Application as an electrode bushing block.
    Type: Grant
    Filed: July 10, 2008
    Date of Patent: September 11, 2012
    Assignee: D'Etudes Europeen
    Inventors: Olivier Citti, Julien Fourcade
  • Sintered product produced from a zircon-based charge
    Patent number: 8258068
    Abstract: The present invention relates to a sintered product elaborated from a starting charge containing 75-99% of zircon, in mass percentage based on the oxides and having the following average weight chemical composition, in mass percentages based on the oxides 60%?ZrO2?72.8%, 27%?SiO2?36%, 0.1%?B2O3+GeO2+P2O5+Sb2O3+Nb2O5+Ta2O5+V2O5, 0.1%?ZnO+PbO+CdO, B2O3+GeO2+P2O5+Sb2O3+Nb2O5+Ta2O5+V2O5+ZnO+PbO+CdO?5%, 0%?Al2O3+TiO2+MgO+Fe2O3+NiO+MnO2+CoO+CuO?5%, other oxides: ?1.5%, for a total of 100%. Notably used in a glass furnace.
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: September 4, 2012
    Assignee: Saint-Gobain Centre de Recherches et d'Etudes Europeen
    Inventors: Olivier Citti, Julien Fourcade
  • Sintered and doped product based on zircon + NbOor TaO
    Patent number: 8236719
    Abstract: Sintered product produced from a starting charge containing 75 to 99% zircon, and having the following average chemical composition by weight, the percentages by weight being based on the oxides: 60%<ZrO2+HfO2<75%; 27%<SiO2<34%; O<TiO2; O<Y2O3<3.5%; 0.1%<Nb2O5+Ta2O5<=5%; and other oxides: <1.5%; for a total of 100%, The sintered product may be used in a glass furnace.
    Type: Grant
    Filed: October 15, 2007
    Date of Patent: August 7, 2012
    Assignee: Saint-Gobain Centre de Recherches et d'Etudes European
    Inventors: Olivier Citti, Julien Fourcade
  • SINTERED PRODUCT BASED ON CHROMIUM OXIDE
    Publication number: 20120067086
    Abstract: A sintered product presenting a mean chemical composition such that, in percentages by weight based on the oxides: Cr2O3: 72.0%-98.9% 2%<Al2O3?20% 0.1%?TiO2?6.0% ZrO2<4.0% SiO2?0.9%.
    Type: Application
    Filed: April 15, 2010
    Publication date: March 22, 2012
    Applicant: Saint-Gobain Centre De Recherches Et D'Etudes Europeen
    Inventors: Olivier Citti, Julien Fourcade
  • SINTERED PRODUCT PRODUCED FROM A ZIRCON-BASED CHARGE
    Publication number: 20110107796
    Abstract: The present invention relates to a sintered product elaborated from a starting charge containing 75-99% of zircon, in mass percentage based on the oxides and having the following average weight chemical composition, in mass percentages based on the oxides 60%?ZrO2?72.8%, 27%?SiO2?36%, 0.1%?B2O3+GeO2+P2O5+Sb2O3+Nb2O5+Ta2O5+V2O5, 0.1%?ZnO+PbO+CdO, B2O3+GeO2+P2O5+Sb2O3+Nb2O5+Ta2O5+V2O5+ZnO+PbO+CdO?5% 0% ?Al2O3+TiO2+MgO+Fe2O3+NiO+MnO2+CoO+CuO?5%, other oxides: ?1.5%, for a total of 100%. Notably used in a glass furnace.
    Type: Application
    Filed: April 14, 2009
    Publication date: May 12, 2011
    Applicant: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN
    Inventors: Olivier Citti, Julien Fourcade
  • SINTERED PRODUCT BASED ON ALUMINA AND CHROMIUM OXIDE
    Publication number: 20100179051
    Abstract: The invention provides a sintered product presenting an apparent density greater than 4.00 g/cm3 and having the following mean chemical composition, as a percentage by weight based on the oxides and for a total of 100%: Al2O2: complement to 100% 16%?Cr2O3?29.5% TiO2 in a quantity such that the Cr2O3/TiO2 weight ratio is greater than 16 and less than 35, other species: ?1% Application as an electrode bushing block.
    Type: Application
    Filed: July 10, 2008
    Publication date: July 15, 2010
    Applicant: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN
    Inventors: Olivier Citti, Julien Fourcade
  • SINTERED AND DOPED PRODUCT BASED ON ZIRCON + Nb2O5 or Ta2O5
    Publication number: 20100089098
    Abstract: Sintered product produced from a starting charge containing 75 to 99% zircon, and having the following average chemical composition by weight, the percentages by weight being based on the oxides: 60%<ZrO2+HfO2<75%; 27%<SiO2<34%; O<TiO2; O<Y2O3<3.5%; 0.1%<Nb2O5+Ta2O5<=5%; and other oxides: <1.5%; for a total of 100%, The sintered product may be used in a glass furnace.
    Type: Application
    Filed: October 15, 2007
    Publication date: April 15, 2010
    Applicant: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN
    Inventors: Olivier Citti, Julien Fourcade
  • DOPED SINTERED PRODUCT BASED ON ZIRCON AND ZIRCONIA
    Publication number: 20100012484
    Abstract: A sintered product made from a starting batch containing 5 to 50% zircon and having the following average chemical composition, in weight percentages on the basis of the oxides and for a total of 100%: silica and zirconia, the zirconia content (ZrO2) being at least 64%, at least 0.2% of a dopant selected from V2O5, Nb2O5, Ta2O5, and mixtures thereof, optionally, a stabilizer selected from Y2O3, MgO, CaO, CeO2, and mixtures thereof, at a content of 6% or less, “other oxides” at a content of 6.7% or less.
    Type: Application
    Filed: December 20, 2007
    Publication date: January 21, 2010
    Applicant: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES
    Inventors: Olivier Citti, Julien Fourcade, Michel Gaubil, Charles Nicholas Mc Garry, Michael J. Seaborne