Patents by Inventor Lionel Moitrier
Lionel Moitrier 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).
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Patent number: 11905198Abstract: A glass furnace including an additive-containing product including an additive selected from: phosphorus compounds other than glasses and vitroceramics, tungsten compounds other than glasses and vitroceramics, molybdenum compounds other than glasses and vitroceramics, iron in the form of metal, aluminum in the form of metal, silicon in the form of metal, and their mixtures, silicon carbide, boron carbide, silicon nitride, boron nitride, glasses including elemental phosphorus and/or iron and/or tungsten and/or molybdenum, vitroceramics including elemental phosphorus and/or iron and/or tungsten and/or molybdenum, and their mixtures, and having the following chemical analysis, exclusively of the additive, as a percentage by weight on the basis of the oxides: Cr2O3?2%, and Cr2O3+Al2O3+CaO+ZrO2+MgO+Fe2O3+SiO2+TiO2?90%, and Cr2O3+Al2O3+MgO?60%, the content by weight of additive being in the range 0.01% to 6%.Type: GrantFiled: December 20, 2018Date of Patent: February 20, 2024Assignee: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEENInventors: Thibault Champion, Pierrick Vespa, Lionel Moitrier, Olivier Citti, Julien Pierre César Fourcade, Nabil Nahas
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Publication number: 20210078893Abstract: A glass furnace including an additive-containing product including an additive selected from: phosphorus compounds other than glasses and vitroceramics, tungsten compounds other than glasses and vitroceramics, molybdenum compounds other than glasses and vitroceramics, iron in the form of metal, aluminum in the form of metal, silicon in the form of metal, and their mixtures, silicon carbide, boron carbide, silicon nitride, boron nitride, glasses including elemental phosphorus and/or iron and/or tungsten and/or molybdenum, vitroceramics including elemental phosphorus and/or iron and/or tungsten and/or molybdenum, and their mixtures, and having the following chemical analysis, exclusively of the additive, as a percentage by weight on the basis of the oxides: Cr2O3?2%, and Cr2O3+Al2O3+CaO+ZrO2+MgO+Fe2O3+SiO2+TiO2?90%, and Cr2O3+Al2O3+MgO?60%, the content by weight of additive being in the range 0.01% to 6%.Type: ApplicationFiled: December 20, 2018Publication date: March 18, 2021Inventors: Thibault CHAMPION, Pierrick VESPA, Lionel MOITRIER, Olivier CITTI, Julien Pierre César FOURCADE, Nabil NAHAS
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Patent number: 9321690Abstract: A sintered material based on silicon carbide (SiC) reactively sintered between 1,100° C. and 1,700° C. to form a silicon nitride binder (Si3N4), intended in particular for fabricating an aluminum electrolysis cell, including 0.05% to 1.5% of boron, the Si3N4/SiC weight ratio being in the range 0.05 to 0.45. Application, in particular, to an electrolysis cell.Type: GrantFiled: February 5, 2009Date of Patent: April 26, 2016Assignee: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEENInventors: Eric Jorge, Olivier Marguin, Lionel Moitrier, Olivier Citti
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Patent number: 9145320Abstract: The invention relates to a particulate powder, said powder having a median circularity of greater than 0.87 wt % and less than 9.0 wt % of particles having a size greater than 100 ?m. The powder and at least 80 wt % of the particles have a chemical composition in wt % on the basis of the oxides and for a total of 100%: Cr2O3+Al2O3+ZrO2+MgO+Fe2O3+SiO2+TiO2?90%; Cr2O3+Al2O3+MgO?60%; Cr2O3?9%; 20%?SiO2?0.5%; and other oxides: ?10%. The invention can be used for a glass furnace.Type: GrantFiled: July 22, 2011Date of Patent: September 29, 2015Assignee: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEENInventors: Cyril Linnot, Lionel Moitrier, Yves Marcel Leon Boussant Roux, Olivier Citti, Richard Avedikian
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Patent number: 9061930Abstract: A device selected from among a glass furnace and a channel for dispensing the glass comprising a block and/or a coating made of a sintered material obtained by sintering a particular mixture comprising a chromium oxide content, indicated as “CrT”, of between 10% and 82%. The die fraction is such that 0.39·(CrT)+24<CrM<0.39·(CrT)+52, CrM denoting the chromium oxide content by weight of the die fraction in wt % on the basis of the oxides of the die, and the aggregate is such that xII?97%, xIII?70%, and xIV?xIII?70%, CrG denoting the chromium oxide content by weight of one grain in wt % on the basis of the oxides of said grain.Type: GrantFiled: July 22, 2011Date of Patent: June 23, 2015Assignee: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEENInventors: Cyril Linnot, Lionel Moitrier, Yves Marcel Leon Boussant Roux, Olivier Citti, Richard Avedikian
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Publication number: 20130174612Abstract: The invention relates to a particulate powder, said powder having a median circularity of greater than 0.87 wt % and less than 9.0 wt % of particles having a size greater than 100 ?m. The powder and at least 80 wt % of the particles have a chemical composition in wt % on the basis of the oxides and for a total of 100%: Cr2O3+Al2O3+ZrO2+MgO+Fe2O3+SiO2+TiO2?90%; Cr2O3+Al2O3+MgO?60%; Cr2O3?9%; 20%?SiO2?0.5%; and other oxides: ?10%. The invention can be used for a glass furnace.Type: ApplicationFiled: July 22, 2011Publication date: July 11, 2013Applicant: Saint-Gobain Centre De Recherches Et D'Etudes EuropeenInventors: Cyril Linnot, Lionel Moitrier, Yves Marcel Leon Boussant Roux, Olivier Citti, Richard Avedikian
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Publication number: 20130167592Abstract: A device selected from among a glass furnace and a channel for dispensing the glass comprising a block and/or a coating made of a sintered material obtained by sintering a particular mixture comprising a chromium oxide content, indicated as “CrT”, of between 10% and 82%. The die fraction is such that 0.39·(CrT)+24<CrM<0.39·(CrT)+52, CrM denoting the chromium oxide content by weight of the die fraction in wt % on the basis of the oxides of the die, and the aggregate is such that xII?97%, xIII?70%, and xIV?xIII?70%, CrG denoting the chromium oxide content by weight of one grain in wt % on the basis of the oxides of said grain.Type: ApplicationFiled: July 22, 2011Publication date: July 4, 2013Applicant: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEENInventors: Cyril Linnot, Lionel Moitrier, Yves Marcel Leon Boussant Roux, Olivier Citti, Richard Avedikian
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Publication number: 20130056915Abstract: A sintered material based on silicon carbide (SiC) reactively sintered between 1,100° C. and 1,700° C. to form a silicon nitride binder (Si3N4), intended in particular for fabricating an aluminum electrolysis cell, including 0.05% to 1.5% of boron, the Si3N4/SiC weight ratio being in the range 0.05 to 0.45. Application, in particular, to an electrolysis cell.Type: ApplicationFiled: February 5, 2009Publication date: March 7, 2013Applicant: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEENInventors: Eric Jorge, Olivier Marguin, Lionel Moitrier, Olivier Citti
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Patent number: 8097547Abstract: A sintered material based on silicon carbide (SiC) reactively sintered between 1,100° C. and 1,700° C. to form a silicon nitride binder (Si3N4), intended in particular for fabricating an aluminum electrolysis cell, including 0.05% to 1.5% of boron, the Si3N4/SiC weight ratio being in the range 0.05 to 0.45.Type: GrantFiled: February 8, 2008Date of Patent: January 17, 2012Assignee: Saint-Gobain Centre de Recherches et d'Etudes EuropeenInventors: Eric Jorge, Olivier Marguin, Lionel Moitrier, Olivier Citti
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Publication number: 20110024956Abstract: A sintered material based on silicon carbide (SiC) reactively sintered between 1,100° C. and 1,700° C. to form a silicon nitride binder (Si3N4), intended in particular for fabricating an aluminum electrolysis cell, including 0.05% to 1.5% of boron, the Si3N4/SiC weight ratio being in the range 0.05 to 0.45. Application, in particular, to an electrolysis cell.Type: ApplicationFiled: February 5, 2009Publication date: February 3, 2011Applicant: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEENInventors: Eric Jorge, Olivier Marguin, Lionel Moitrier, Olivier Citti
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Publication number: 20080234122Abstract: A sintered material based on silicon carbide (SiC) reactively sintered between 1,100° C. and 1,700° C. to form a silicon nitride binder (Si3N4), intended in particular for fabricating an aluminum electrolysis cell, including 0.05% to 1.5% of boron, the Si3N4/SiC weight ratio being in the range 0.05 to 0.45. Application, in particular, to an electrolysis cell.Type: ApplicationFiled: February 8, 2008Publication date: September 25, 2008Applicant: SAINT-GOBAIN CENTRE RECHERCHES ET D'ETUDES EUROPEENInventors: Eric JORGE, Olivier MARGUIN, Lionel MOITRIER, Olivier CITTI