Patents by Inventor Ellis Gartner
Ellis Gartner 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: 10011526Abstract: A hydraulic binder which includes a clinker with a specific shape, the clinker including as main phases, given as weight percentages relative to the total weight of the clinker: (i) 70 to 95% of a belite phase having a particle size such that the Dv50 ranges from 5 to 15 ?m; (ii) 5 to 30% of a calcium aluminoferrite phase; and (iii) less than 5% of minor phases; the clinker having an Al2O3/Fe2O3 weight ratio of less than 1.5; and the clinker including less than 5% of alite phase and less than 5% of calcium sulphoaluminate phase; and at least 0.5% dry weight of an activator made of calcium sulphate, as a weight percentage relative to the total weight of phases (i) to (iii).Type: GrantFiled: January 15, 2016Date of Patent: July 3, 2018Assignee: LAFARGEInventors: Pascal Bost, Alexander Pisch, Ellis Gartner, Vincent Morin, Isabelle Dubois-Brugger
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Patent number: 9850168Abstract: A hydraulic binder includes a belite sulfoaluminate clinker and silica having a BET specific surface area in nitrogen of at least 50 m2/g, the quantity of silica being lower than or equal to 5%, the percentage being expressed as a mass percentage in relation to the mass of the binder.Type: GrantFiled: March 24, 2015Date of Patent: December 26, 2017Assignee: LAFARGEInventors: Ellis Gartner, Vincent Morin
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Publication number: 20170355641Abstract: A hydraulic binder which includes a clinker with a specific shape, the clinker including as main phases, given as weight percentages relative to the total weight of the clinker: (i) 70 to 95% of a belite phase having a particle size such that the Dv50 ranges from 5 to 15 ?m; (ii) 5 to 30% of a calcium aluminoferrite phase; and (iii) less than 5% of minor phases; the clinker having an Al2O3/Fe2O3 weight ratio of less than 1.5; and the clinker including less than 5% of alite phase and less than 5% of calcium sulphoaluminate phase; and at least 0.5% dry weight of an activator made of calcium sulphate, as a weight percentage relative to the total weight of phases (i) to (iii).Type: ApplicationFiled: January 15, 2016Publication date: December 14, 2017Inventors: Pascal BOST, Alexander PISCH, Ellis GARTNER, Vincent MORIN, Isabelle DUBOIS-BRUGGER
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Patent number: 9631257Abstract: A process for the treatment of a silicate mineral, includes: preparing a first composition including an alkali metal magnesium orthosilicate and optionally either (i) magnesium oxide or (ii) an alkali metal silicate, by reaction, at a temperature from 500 to 1200° C., of an alkali metal carbonate compound, which compound is an alkali metal carbonate, an alkali metal bicarbonate or a mixture thereof, with a magnesium silicate, the molar ratio of alkali metal carbonate compound, expressed as alkali metal oxide of the formula R2O, in which R represents an alkali metal, to magnesium silicate, expressed as silicon dioxide, of the formula SiO2, being from 4:1 to 1:4, and contacting the first composition with water to produce a second composition comprising an amorphous magnesium silicate hydrate (M-S—H).Type: GrantFiled: November 26, 2013Date of Patent: April 25, 2017Assignee: LAFARGEInventors: Alexander Pisch, Ellis Gartner, Vincent Meyer
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Publication number: 20170107150Abstract: A hydraulic binder includes a belite sulfoaluminate clinker and silica having a BET specific surface area in nitrogen of at least 50 m2/g, the quantity of silica being lower than or equal to 5%, the percentage being expressed as a mass percentage in relation to the mass of the binder.Type: ApplicationFiled: March 24, 2015Publication date: April 20, 2017Inventors: Ellis GARTNER, Vincent MORIN
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Patent number: 9469546Abstract: A process for the mineralization of carbon dioxide to form a magnesium carbonate compound, which process includes contacting the carbon dioxide, in the free form, or in the form of an alkali metal carbonate or bicarbonate, with an alkali metal magnesium silicate to produce the magnesium carbonate compound.Type: GrantFiled: June 4, 2012Date of Patent: October 18, 2016Assignee: LAFARGEInventors: Ellis Gartner, Alexander Pisch
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Patent number: 9302941Abstract: A particulate material for the production of a cement foam which material includes particles including, attached to the particle surface, a surfactant which renders the particles hydrophilic, the surfactant including a moiety which is hydrolysable under alkaline conditions, which surfactant, after loss of the moiety by alkaline hydrolysis, renders the particles partially hydrophobic.Type: GrantFiled: September 5, 2012Date of Patent: April 5, 2016Assignee: LAFARGEInventors: Ellis Gartner, Lê-Chiên Hoang
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Publication number: 20150299823Abstract: A process for the treatment of a silicate mineral, includes: preparing a first composition including an alkali metal magnesium orthosilicate and optionally either (i) magnesium oxide or (ii) an alkali metal silicate, by reaction, at a temperature from 500 to 1200° C., of an alkali metal carbonate compound, which compound is an alkali metal carbonate, an alkali metal bicarbonate or a mixture thereof, with a magnesium silicate, the molar ratio of alkali metal carbonate compound, expressed as alkali metal oxide of the formula R2O, in which R represents an alkali metal, to magnesium silicate, expressed as silicon dioxide, of the formula SiO2, being from 4:1 to 1:4, and contacting the first composition with water to produce a second composition comprising an amorphous magnesium silicate hydrate (M—S—H).Type: ApplicationFiled: November 26, 2013Publication date: October 22, 2015Inventors: Alexander PISCH, Ellis GARTNER, Vincent MEYER
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Publication number: 20140245929Abstract: A particulate material for the production of a cement foam which material includes particles including, attached to the particle surface, a surfactant which renders the particles hydrophilic, the surfactant including a moiety which is hydrolysable under alkaline conditions, which surfactant, after loss of the moiety by alkaline hydrolysis, renders the particles partially hydrophobic.Type: ApplicationFiled: September 5, 2012Publication date: September 4, 2014Applicant: LAFARGEInventors: Ellis Gartner, Lê-Chiên Hoang
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Publication number: 20140120022Abstract: A process for the mineralization of carbon dioxide to form a magnesium carbonate compound, which process includes contacting the carbon dioxide, in the free form, or in the form of an alkali metal carbonate or bicarbonate, with an alkali metal magnesium silicate to produce the magnesium carbonate compound.Type: ApplicationFiled: June 4, 2012Publication date: May 1, 2014Applicant: LAFARGEInventors: Ellis Gartner, Alexander Pisch
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Patent number: 8617500Abstract: A process for reducing the carbon dioxide concentration of a carbon dioxide-containing gas which process includes, in a first stage, contacting the carbon dioxide-containing gas with a treating solution including an alkali metal carbonate and/or hydroxide and with a catalyst to promote the absorption of carbon dioxide to form a second solution including an alkali metal carbonate and bicarbonate and, in a second stage, contacting the second solution with a carbonatable silicate-containing material including an alkaline earth cation capable of forming an insoluble carbonate to produce silica and a solid carbonate including the cation and to regenerate a solution including alkali metal carbonate.Type: GrantFiled: November 22, 2010Date of Patent: December 31, 2013Assignee: LafargeInventors: Ellis Gartner, Michel Gimenez, Maurice Paliard
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Publication number: 20130284073Abstract: A process for reducing the concentration of carbon dioxide in a gas including carbon dioxide and water vapour which process includes contacting the gas with a particulate solid, which solid is a waste material which includes an alkaline earth metal oxide or hydroxide or a mixture thereof and which particulate solid also includes an added alkali metal compound which is an alkali metal hydroxide, carbonate or bicarbonate, or a mixture thereof.Type: ApplicationFiled: January 10, 2012Publication date: October 31, 2013Applicant: LAFARGEInventor: Ellis Gartner
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Patent number: 8317915Abstract: A composition includes at least, in % expressed by mass relative to the total mass of the composition, from 0.01 to 3% of polycarboxylic acid or salts thereof, the polycarboxylic acid including 2 to 4 carboxyl groups per molecule; and from 97 to 99.99% of a Belite-Calcium-Sulphoaluminate-Ferrite clinker (BCSAF clinker).Type: GrantFiled: July 20, 2010Date of Patent: November 27, 2012Assignee: LafargeInventors: Gunther Walenta, Ellis Gartner, Vincent Morin
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Publication number: 20120291672Abstract: A process for reducing the concentration of carbon dioxide in a gas including carbon dioxide and water vapour (for example a flue gas or a cement plant flue gas) which process includes contacting the gas with a particulate solid, which solid includes an alkaline earth metal oxide or hydroxide and a promoter selected from an alkanolamine; an unsubstituted or substituted piperazine; an unsubstituted or substituted morpholine; and a polyethyleneamine oligomer.Type: ApplicationFiled: January 12, 2011Publication date: November 22, 2012Applicant: LAFARGEInventors: Ellis Gartner, Michel Gimenez
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Publication number: 20120238006Abstract: A process for reducing the carbon dioxide concentration of a carbon dioxide-containing gas which process includes, in a first stage, contacting the carbon dioxide-containing gas with a treating solution including an alkali metal carbonate and/or hydroxide and with a catalyst to promote the absorption of carbon dioxide to form a second solution including an alkali metal carbonate and bicarbonate and, in a second stage, contacting the second solution with a carbonatable silicate-containing material including an alkaline earth cation capable of forming an insoluble carbonate to produce silica and a solid carbonate including the cation and to regenerate a solution including alkali metal carbonate.Type: ApplicationFiled: November 22, 2010Publication date: September 20, 2012Applicant: LAFARGEInventors: Ellis Gartner, Michel Gimenez, Maurice Paliard
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Publication number: 20120145045Abstract: A composition includes at least, in % expressed by mass relative to the total mass of the composition, from 0.01 to 3% of polycarboxylic acid or salts thereof, the polycarboxylic acid including 2 to 4 carboxyl groups per molecule; and from 97 to 99.99% of a Belite-Calcium-Sulphoaluminate-Ferrite clinker (BCSAF clinker).Type: ApplicationFiled: July 20, 2010Publication date: June 14, 2012Applicant: LafargeInventors: Gunther Walenta, Ellis Gartner, Vincent Morin
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Patent number: 8177903Abstract: The present invention relates to a composition including at least a Portland clinker and a Belite-Calcium-Sulphoaluminate-Ferrite clinker (BCSAF).Type: GrantFiled: December 18, 2009Date of Patent: May 15, 2012Assignee: LafargeInventors: Günther Walenta, Cédric Comparet, Vincent Morin, Ellis Gartner
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Publication number: 20110259247Abstract: The present invention relates to a composition including at least a Portland clinker and a Belite-Calcium-Sulphoaluminate-Ferrite clinker (BCSAF).Type: ApplicationFiled: December 18, 2009Publication date: October 27, 2011Applicant: LAFARGEInventors: Günther Walenta, Cédric Comparet, Vincent Morin, Ellis Gartner
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Patent number: 7998267Abstract: A belite-calcium sulphoaluminate-ferrite (BCSAF) cement composition including: a BCSAF clinker which clinker has the following mineralogical composition, based on the total weight of the clinker: 5 to 25%, preferably 10 to 20%, of a calcium aluminoferrite phase having the general formula C2AxF(1?X), wherein X is from 0.2 to 0.8; 15 to 35% of a calcium sulphoaluminate phase; 40 to 75% of belite (C2S); from 0.01 to 10% in total of one or more minor phases selected from calcium sulphates, alkali metal sulphates, perovskite, calcium aluminates, gehlenite, free lime and periclase and/or a vitreous phase; and an alkanolamine.Type: GrantFiled: March 24, 2009Date of Patent: August 16, 2011Assignee: LAFARGEInventors: Ellis Gartner, Vincent Morin
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Publication number: 20110041736Abstract: A belite-calcium sulphoaluminate-ferrite (BCSAF) cement composition including: a BCSAF clinker which clinker has the following mineralogical composition, based on the total weight of the clinker: 5 to 25%, preferably 10 to 20%, of a calcium aluminoferrite phase having the general formula C2AxF(1?X), wherein X is from 0.2 to 0.8; 15 to 35% of a calcium sulphoaluminate phase; 40 to 75% of belite (C2S); from 0.01 to 10% in total of one or more minor phases selected from calcium sulphates, alkali metal sulphates, perovskite, calcium aluminates, gehlenite, free lime and periclase and/or a vitreous phase; and an alkanolamine.Type: ApplicationFiled: March 24, 2009Publication date: February 24, 2011Applicant: LAFARGEInventors: Ellis Gartner, Vincent Morin