Patents by Inventor Pierre Micoud
Pierre Micoud 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: 11890590Abstract: A method for preparing an organic/inorganic hybrid composition including mineral nanoparticles functionalized by at least one molecule chosen from colored charged organic molecules, this method including providing a solution (a) of at least one colored charged organic molecule, providing a suspension (b) of non-swelling phyllosilicate nanoparticles, contacting the solution (a) and the suspension (b), the non-swelling phyllosilicate nanoparticles having a thickness of 1 nm to 100 nm, and a larger dimension of 10 nm to 10 ?m. A composition of organic/inorganic hybrid colored nanoparticles obtained by this method is also disclosed.Type: GrantFiled: January 24, 2018Date of Patent: February 6, 2024Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE PAUL SABATIER TOULOUSE IIIInventors: François Martin, Christophe Le Roux, Pierre Micoud, Suzanne Fery-Forgues, Cyril Aymonier, Mathilde Poirier
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Patent number: 11618827Abstract: A method for preparing a composition including mineral particles functionalized by at least one organic group and having a specific surface defined according to the BET method greater than 500 m2/g, involves: —choosing a phyllosilicate composition, including mineral particles having a thickness of less than 100 nm, a largest dimension of less than 10 ?m and belonging to the family of lamellar silicates; —choosing at least one functionalizing agent, from the group formed from the oxysilanes and oxygermanes having at least one organic group, —bringing the phyllosilicate composition into contact with a functionalizing solution including the functionalizing agent, so as to obtain a phyllosilicate composition including mineral particles functionalized by the organic group, while choosing the organic group from the group formed from the cationic heteroaryl groups, the quaternary ammonium groups and the salts of same. The phyllosilicate composition obtained by the method is also described.Type: GrantFiled: March 21, 2022Date of Patent: April 4, 2023Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), UNIVERSITE PAUL SABATIER TOULOUSE IIIInventors: Christophe Le Roux, Francois Martin, Pierre Micoud, Angela Dumas
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Patent number: 11590475Abstract: Disclosed is a method for preparing a hybrid organic/inorganic composition including inorganic nanoparticles functionalized by at least one molecule chosen from photoluminescent charged organic molecules, the method including bringing into contact, in a single-phase solvent medium, at least one photoluminescent charged organic molecule and non-swelling phyllosilicate nanoparticles having a thickness of 1 nm to 100 nm, and a larger dimension of 10 nm to 10 ?m. Also disclosed are hybrid photoluminescent nanoparticles compositions obtained by this method.Type: GrantFiled: January 24, 2018Date of Patent: February 28, 2023Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE PAUL SABATIER TOULOUSE IIIInventors: François Martin, Christophe Le Roux, Pierre Micoud, Suzanne Fery-Forgues, Cyril Aymonier, Mathilde Poirier
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Publication number: 20220220316Abstract: A method for preparing a composition including mineral particles functionalized by at least one organic group and having a specific surface defined according to the BET method greater than 500 m2/g, involves: —choosing a phyllosilicate composition, including mineral particles having a thickness of less than 100 nm, a largest dimension of less than 10 ?m and belonging to the family of lamellar silicates; —choosing at least one functionalizing agent, from the group formed from the oxysilanes and oxygermanes having at least one organic group, —bringing the phyllosilicate composition into contact with a functionalizing solution including the functionalizing agent, so as to obtain a phyllosilicate composition including mineral particles functionalized by the organic group, while choosing the organic group from the group formed from the cationic heteroaryl groups, the quaternary ammonium groups and the salts of same. The phyllosilicate composition obtained by the method is also described.Type: ApplicationFiled: March 21, 2022Publication date: July 14, 2022Inventors: Christophe LE ROUX, Francois MARTIN, Pierre MICOUD, Angela DUMAS
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Patent number: 11352264Abstract: The invention relates to a method for preparing synthetic mineral particles with formula (AlyM1-y)2(SixGe1-x)2O5(OH)4, wherein M designates at least one trivalent metal selected from the group made up of gallium and the rare earths, which comprises the following steps: preparing a gel which is a precursor of said synthetic mineral particles by a co-precipitation reaction of at least one salt of metal selected among aluminium and M with at least one silicon source selected from the group made up of potassium metasilicate, sodium metasilicate, potassium metagermanate and sodium metagermanate, the molar ratio of (AlyM1-y) to (SixGe1-x) during the preparation of said precursor gel being equal to 1, at least one base being added during said co-precipitation reaction; and performing a solvothermal treatment of said precursor gel at a temperature of 250° C. to 600° C.Type: GrantFiled: September 27, 2016Date of Patent: June 7, 2022Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE PAUL SABATIER TOULOUSE IIIInventors: François Martin, Christophe Le Roux, Pierre Micoud, Marie Claverie, Cyril Aymonier
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Patent number: 11312863Abstract: A method for preparing a composition including mineral particles functionalized by at least one organic group and having a specific surface defined according to the BET method greater than 500 m2/g, involves: —choosing a phyllosilicate composition, including mineral particles having a thickness of less than 100 nm, a largest dimension of less than 10 ?m and belonging to the family of lamellar silicates; —choosing at least one functionalizing agent, from the group formed from the oxysilanes and oxygermanes having at least one organic group, —bringing the phyllosilicate composition into contact with a functionalizing solution including the functionalizing agent, so as to obtain a phyllosilicate composition including mineral particles functionalized by the organic group, while choosing the organic group from the group formed from the cationic heteroaryl groups, the quaternary ammonium groups and the salts of same. The phyllosilicate composition obtained by the method is also described.Type: GrantFiled: June 26, 2014Date of Patent: April 26, 2022Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), UNIVERSITE PAUL SABATIER TOULOUSE IIIInventors: Christophe Le Roux, Francois Martin, Pierre Micoud, Angela Dumas
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Publication number: 20220098047Abstract: Methods for making a synthetic mineral and methods for making synthetic mineral precursors and the products of said methods.Type: ApplicationFiled: February 11, 2020Publication date: March 31, 2022Inventors: Marie CLAVERIE, Cyril AYMONIER, Christel CAREME, François MARTIN, Christophe LE ROUX, Mathilde POIRIER, Pierre MICOUD
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Patent number: 11174168Abstract: The invention relates to a mineral compound, referred to as synthetic mica, with formula At(Six-Ge1x)4MzO10(OH)2, wherein: A designates at least one monovalent interfoliar cation of a metal element, A having the formula Liw(1)Naw(2)Kw(3)Rbw(4)Cssw(5), each instance of w(i) representing a real number in the interval [0; 1], such that the sum of the instances of w(i) is equal to 1; t is a real number in the interval [0.3; 1]; x is a real number in the interval [0; 1]; M designates at least one divalent metal having the formula Mgy(1)Coy(2)Zny(3)Cuy(4)Mny(5)Fey(6)Niy(7)Cr, each instance of y(i) representing a real number in the interval [0; 1], such as the formula (A); and z is a real number in the interval [2.50; 2.85]. The invention also relates to a composition comprising such a compound and a method for preparing such a compound.Type: GrantFiled: September 27, 2016Date of Patent: November 16, 2021Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE PAUL SABATIER TOULOUSE IIIInventors: François Martin, Christophe Le Roux, Pierre Micoud, Marie Claverie, Cyril Aymonier
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Publication number: 20210230009Abstract: The present invention relates to methods for producing mixtures comprising noble metal and phyllomineral, and compositions obtained from said methods.Type: ApplicationFiled: December 21, 2018Publication date: July 29, 2021Inventors: Christophe LE ROUX, François MARTIN, Pierre MICOUD, Suzanne FÉRY-FORGUES, Mathilde POIRIER, Cyril AYMONIER, Christel CARÊME, Marie CLAVERIE
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Patent number: 10577251Abstract: A composition comprising synthetic mineral particles, such as silicate or phyllosilicate mineral particles, is presented. The composition can be prepared by a process in which a hydrogel precursor of the synthetic mineral particles is produced by a coprecipitation reaction between at least one compound comprising silicon, such as sodium metasilicate, and at least one compound comprising at least one metal element, such as a dicarboxylate salt of the formula M(R1—COO)2, wherein R1 is H or an alkyl group having 1 to 4 carbon atoms. The coprecipitation reaction also takes place in the presence of at least one carboxylate salt of formula R2—COOM? wherein M? is Na or K, and R2 is H or an alkyl group having 1 to 4 carbon atoms.Type: GrantFiled: December 13, 2017Date of Patent: March 3, 2020Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), UNIVERSITE PAUL SABATIER (TOULOUSE III)Inventors: Christophe Le Roux, Francois Martin, Pierre Micoud, Angela Dumas
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Publication number: 20190388869Abstract: A method for preparing an organic/inorganic hybrid composition including mineral nanoparticles functionalized by at least one molecule chosen from colored charged organic molecules, this method including providing a solution (a) of at least one colored charged organic molecule, providing a suspension (b) of non-swelling phyllosilicate nanoparticles, contacting the solution (a) and the suspension (b), the non-swelling phyllosilicate nanoparticles having a thickness of 1 nm to 100 nm, and a larger dimension of 10 nm to 10 ?m. A composition of organic/inorganic hybrid colored nanoparticles obtained by this method is also disclosed.Type: ApplicationFiled: January 24, 2018Publication date: December 26, 2019Inventors: François MARTIN, Christophe LE ROUX, Pierre MICOUD, Suzanne FERY-FORGUES, Cyril AYMONIER, Mathilde POIRIER
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Publication number: 20190388870Abstract: Disclosed is a method for preparing a hybrid organic/inorganic composition including inorganic nanoparticles functionalized by at least one molecule chosen from photoluminescent charged organic molecules, the method including bringing into contact, in a single-phase solvent medium, at least one photoluminescent charged organic molecule and non-swelling phyllosilicate nanoparticles having a thickness of 1 nm to 100 nm, and a larger dimension of 10 nm to 10 ?m. Also disclosed are hybrid photoluminescent nanoparticles compositions obtained by this method.Type: ApplicationFiled: January 24, 2018Publication date: December 26, 2019Inventors: François MARTIN, Christophe LE ROUX, Pierre MICOUD, Suzanne FERY-FORGUES, Cyril AYMONIER, Mathilde POIRIER
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Patent number: 10221072Abstract: A process for preparing phyllomineral synthetic particles formed from constituent chemical elements in stoichiometric proportions including at least one chemical element selected from the group formed from silicon and germanium, and at least one chemical element selected from the group formed from divalent metals and trivalent metals, by a continuous solvothermal treatment at a pressure above 1 MPa and at a temperature between 100° C. and 600° C., by making the reaction medium circulate continuously in a solvothermal treatment zone of a continuous reactor (15) with a residence time of the reaction medium in the solvothermal treatment zone that is suitable for continuously obtaining, at the outlet of the solvothermal treatment zone, a suspension including the phyllomineral synthetic particles.Type: GrantFiled: April 13, 2015Date of Patent: March 5, 2019Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S), UNIVERSITE PAUL SABATIER TOULOUSE IIIInventors: Cyril Aymonier, Cedric Slostowski, Angela Dumas, Pierre Micoud, Christophe Le Roux, Francois Martin
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Publication number: 20190055133Abstract: The invention relates to a mineral compound, referred to as synthetic mica, with formula At(SixGe1-x)4MzO10(OH)2, wherein: A designates at least one monovalent interfoliar cation of a metal element, A having the formula Liw(1)Naw(2)Kw(3)Rbw(4)Csw(5), each instance of w(i) representing a real number in the interval [0; 1], such that the sum of the instances of w(i) is equal to 1; t is a real number in the interval [0.3; 1]; x is a real number in the interval [0; 1]; M designates at least one divalent metal having the formula Mgy(1)Coy(2)Zny(3)Cuy(4)Mny(5)Fey(6)Niy(7)Cr, each instance of y(i) representing a real number in the interval [0; 1], such as the formula (A); and z is a real number in the interval [2.50; 2.85]. The invention also relates to a composition comprising such a compound and a method for preparing such a compound.Type: ApplicationFiled: September 27, 2016Publication date: February 21, 2019Inventors: François MARTIN, Christophe LE ROUX, Pierre MICOUD, Marie CLAVIER, Cyril AYMONIER
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Publication number: 20180273389Abstract: The invention relates to a method for preparing synthetic mineral particles with formula (AlyM1-y)2(SixGe1-x)2O5(OH)4, wherein M designates at least one trivalent metal selected from the group made up of gallium and the rare earths, which comprises the following steps: preparing a gel which is a precursor of said synthetic mineral particles by a co-precipitation reaction of at least one salt of metal selected among aluminium and M with at least one silicon source selected from the group made up of potassium metasilicate, sodium metasilicate, potassium metagermanate and sodium metagermanate, the molar ratio of (AlyM1-y) to (SixGe1-x) during the preparation of said precursor gel being equal to 1, at least one base being added during said co-precipitation reaction; and performing a solvothermal treatment of said precursor gel at a temperature of 250° C. to 600° C.Type: ApplicationFiled: September 27, 2016Publication date: September 27, 2018Inventors: François MARTIN, Christophe LE ROUX, Pierre MICOUD, Marie CLAVERIE, Cyril AYMONIER
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Patent number: 10059598Abstract: A method for preparing a composition includes silico/germano-metal particles functionalized by at least one organic group, which involves:—carrying out a hydrothermal treatment of a hydrogel precursor of the silico/germano-metal mineral particles, and—preparing a hydrogel including silico/germano-metal particles having at least one organic group by co-precipitation in an aqueous medium. A composition including functionalized silico/germano-metal mineral particles of which 1% to 75% of the silicon atoms and/or of the germanium atoms are covalently bonded to at least one organic group is also described.Type: GrantFiled: June 20, 2014Date of Patent: August 28, 2018Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), UNIVERSITE PAUL SABATIER TOULOUSE IIIInventors: Christophe Le Roux, Pierre Micoud, Francois Martin, Angela Dumas
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Patent number: 9968924Abstract: A method for preparing a novel hydrogel including silico-metallic mineral particles of the formula (Six(Si-A)1?x)4M3O11.n?H2O, in which: x is a real number in the range [0.75; 1], A denotes a group selected from methyl and hydrocarbon groups including at least one heteroatom, and M is a metal selected from the group consisting of magnesium, cobalt, zinc, copper, manganese, iron, nickel and chromium, wherein a coprecipitation reaction is carried out in an aqueous medium between: at least one metal salt of the metal M, sodium metasilicate, Na2OSiO2, and at least one water-soluble oxysilane of formula (I): in which R1, R2 and R3 are selected from hydrogen and linear alkyl groups including 1 to 3 carbon atoms.Type: GrantFiled: December 19, 2012Date of Patent: May 15, 2018Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), UNIVERSITE PAUL SABATIER TOULOUSE IIIInventors: Christophe Le Roux, Francois Martin, Pierre Micoud, Angela Dumas
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Publication number: 20180105431Abstract: A composition comprising synthetic mineral particles, such as silicate or phyllosilicate mineral particles, is presented. The composition can be prepared by a process in which a hydrogel precursor of the synthetic mineral particles is produced by a coprecipitation reaction between at least one compound comprising silicon, such as sodium metasilicate, and at least one compound comprising at least one metal element, such as a dicarboxylate salt of the formula M(R1—COO)2, wherein R1 is H or an alkyl group having 1 to 4 carbon atoms. The coprecipitation reaction also takes place in the presence of at least one carboxylate salt of formula R2—COOM? wherein M? is Na or K, and R2 is H or an alkyl group having 1 to 4 carbon atoms.Type: ApplicationFiled: December 13, 2017Publication date: April 19, 2018Inventors: Christophe LE ROUX, Francois MARTIN, Pierre MICOUD, Angela DUMAS
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Patent number: 9884769Abstract: A process for preparing a composition including synthetic mineral particles, in which a hydrogel which is a precursor of the synthetic mineral particles is prepared via a coprecipitation reaction between at least one compound including silicon, and at least one compound including at least one metal element, characterized in that the coprecipitation reaction takes place in the presence of at least one carboxylate salt of formula R2—COOM? in which: —M? denotes a metal chosen from the group made up of Na and K, and —R2 is chosen from H and alkyl groups including fewer than 5 carbon atoms. A composition including synthetic mineral particles which is obtained by such a process is also described.Type: GrantFiled: July 6, 2012Date of Patent: February 6, 2018Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (C.N.R.S.), UNIVERSITE PAUL SABATIER (TOULOUSE III)Inventors: Christophe Le Roux, Francois Martin, Pierre Micoud, Angela Dumas
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Publication number: 20170066655Abstract: A process for preparing phyllomineral synthetic particles formed from constituent chemical elements in stoichiometric proportions including at least one chemical element selected from the group formed from silicon and germanium, and at least one chemical element selected from the group formed from divalent metals and trivalent metals, by a continuous solvothermal treatment at a pressure above 1 MPa and at a temperature between 100° C. and 600° C., by making the reaction medium circulate continuously in a solvothermal treatment zone of a continuous reactor (15) with a residence time of the reaction medium in the solvothermal treatment zone that is suitable for continuously obtaining, at the outlet of the solvothermal treatment zone, a suspension including the phyllomineral synthetic particles.Type: ApplicationFiled: April 13, 2015Publication date: March 9, 2017Inventors: Cyril AYMONIER, Cedric SLOSTOWSKI, Angela DUMAS, Pierre MICOUD, Christophe LE ROUX, Francois MARTIN