Patents by Inventor Jan Gilleir
Jan Gilleir 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: 11588148Abstract: Powder comprising particles comprising a matrix material and silicon-based domains dispersed in this matrix material, whereby the matrix material is carbon or a material that can be thermally decomposed to carbon, whereby either part of the silicon-based domains are present in the form of agglomerates of silicon-based domains whereby at least 98% of these agglomerates have a maximum size of 3 ?m or less, or the silicon-based domains are not at all agglomerated into agglomerates.Type: GrantFiled: October 15, 2015Date of Patent: February 21, 2023Assignees: Umicore, Showa Denko K.K.Inventors: Stijn Put, Dirk Van Genechten, Jan Gilleir, Nicolas Marx, Arihiro Muto, Nobuaki Ishii, Masataka Takeuchi
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Publication number: 20220280930Abstract: The invention relates to a coating suspension for producing catalysts, to a corresponding method and to the catalysts themselves. In particular, a coating suspension is used during the production of the catalysts which leads to a porous catalytic coating.Type: ApplicationFiled: July 31, 2020Publication date: September 8, 2022Applicant: UMICORE AG & CO. KGInventors: Juergen KOCH, Martin FOERSTER, Jan GILLEIR, Pieter VAN GENECHTEN
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Publication number: 20220209223Abstract: Powder comprising particles comprising a matrix material and silicon-based domains dispersed in this matrix material, whereby the matrix material is carbon or a material that can be thermally decomposed to carbon, whereby either part of the silicon-based domains are present in the form of agglomerates of silicon-based domains whereby at least 98% of these agglomerates have a maximum size of 3 ?m or less, or the silicon-based domains are not at all agglomerated into agglomerates.Type: ApplicationFiled: February 16, 2022Publication date: June 30, 2022Inventors: Stijn PUT, Dirk VAN GENECHTEN, Jan GILLEIR, Nicolas MARX, Arihiro MUTO, Nobuaki ISHII, Masataka TAKEUCHI
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Publication number: 20210036315Abstract: Silicon-based powder for use in the negative electrode of a battery, whereby the silicon-based powder comprises silicon-based particles, whereby the silicon-based particles have a number-based particle size distribution having a d50, whereby the particle size of a particle is considered to be the largest dimension of said particle, whereby less than 8.0% of the particles have a size which is larger than twice the d50. Such a silicon based powder may be embedded in a matrix to form an active material powder. Preferably d50<150 nm and d10>10 nm. The cycle efficiency of a negative electrode of a battery, made using such a powder, is much improved.Type: ApplicationFiled: February 5, 2019Publication date: February 4, 2021Inventors: Stijn PUT, Nicolas MARX, Jan GILLEIR, Daniël NELIS
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Patent number: 10847782Abstract: Powder comprising particles comprising a matrix material and silicon-based domains dispersed in this matrix material, whereby either part of the silicon-based domains are present in the form of agglomerates of silicon-based domains whereby at least 98% of these agglomerates have a maximum size of 3 ?m or less, or the silicon-based domains are not at all agglomerated into agglomerates.Type: GrantFiled: October 15, 2015Date of Patent: November 24, 2020Assignee: UmicoreInventors: Stijn Put, Dirk Van Genechten, Jan Gilleir, Nicolas Marx
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Patent number: 10693135Abstract: A production method for a composite of fine particles (A) and carbon particles (B), including the steps of: mixing fine particles (A) formed of a substance comprising at least one kind of Si, Sn, Al, Ge and In; and molten pitch, to obtain a mixture (1); pulverizing the mixture (1) to obtain a pulverized product (2a); dry-mixing the pulverized product (2a) and carbon particles (B) to obtain a mixture (3a); and firing the mixture (3a), followed by pulverization; or including the steps of: adding carbon particles (B) to the mixture (1), followed by dry mixing and pulverizing, to obtain a pulverized product (2b); and firing the pulverized product (2b), followed by pulverization.Type: GrantFiled: August 4, 2014Date of Patent: June 23, 2020Assignees: SHOWA DENKO K.K., UMICOREInventors: Arihiro Mutoh, Hirokazu Murata, Masataka Takeuchi, Jan Gilleir, Kris Driesen, Stijn Put
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Patent number: 10340516Abstract: This invention relates to a negative electrode material for lithium-ion batteries comprising silicon and having a chemically treated or coated surface influencing the zeta potential of the surface. The active material consists of particles or particles and wires comprising a core comprising silicon, wherein the particles have a positive zeta potential in an interval between pH 3.5 and 9.5, and preferably between pH 4 and 9.5. The core is either chemically treated with an amino-functional metal oxide, or the core is at least partly covered with OySiHx groups, with 1<x<3, 1?y?3, and x>y, or is covered by adsorbed inorganic nanoparticles or cationic multivalent metal ions or oxides.Type: GrantFiled: March 9, 2017Date of Patent: July 2, 2019Assignee: UMICOREInventors: Stijn Put, Jan Gilleir, Kris Driesen, Jean-Sébastien Bridel, Nicolas Marx, Delphine Longrie, Dan V. Goia, John I. Njagi
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Publication number: 20180013137Abstract: Powder comprising particles comprising a matrix material and silicon-based domains dispersed in this matrix material, whereby the matrix material is carbon or a material that can be thermally decomposed to carbon, whereby either part of the silicon-based domains are present in the form of agglomerates of silicon-based domains whereby at least 98% of these agglomerates have a maximum size of 3 ?m or less, or the silicon-based domains are not at all agglomerated into agglomerates.Type: ApplicationFiled: October 15, 2015Publication date: January 11, 2018Inventors: Stijn PUT, Dirk VAN GENECHTEN, Jan GILLEIR, Nicolas MARX, Arihiro MUTO, Nobuaki ISHII, Masataka TAKEUCHI
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Publication number: 20170346073Abstract: Powder comprising particles comprising a matrix material and silicon-based domains dispersed in this matrix material, whereby either part of the silicon-based domains are present in the form of agglomerates of silicon-based domains whereby at least 98% of these agglomerates have a maximum size of 3 ?m or less, or the silicon-based domains are not at all agglomerated into agglomerates.Type: ApplicationFiled: October 15, 2015Publication date: November 30, 2017Inventors: Stijn PUT, Dirk VAN GENECHTEN, Jan GILLEIR, Nicolas MARX
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Publication number: 20170244101Abstract: This invention relates to a negative electrode material for lithium-ion batteries comprising silicon and having a chemically treated or coated surface influencing the zeta potential of the surface. The active material consists of particles or particles and wires comprising a core comprising silicon, wherein the particles have a positive zeta potential in an interval between pH 3.5 and 9.5, and preferably between pH 4 and 9.5. The core is either chemically treated with an amino-functional metal oxide, or the core is at least partly covered with OySiHx groups, with 1<x<3, 1?y?3, and x>y, or is covered by adsorbed inorganic nanoparticles or cationic multivalent metal ions or oxides.Type: ApplicationFiled: March 9, 2017Publication date: August 24, 2017Inventors: Stijn PUT, Jan GILLEIR, Kris DRIESEN, Jean-Sébastien BRIDEL, Nicolas MARX, Delphine LONGRIE, Dan V. GOIA, John I. NJAGI
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Publication number: 20160181602Abstract: A production method for a composite of fine particles (A) and carbon particles (B), including the steps of: mixing fine particles (A) formed of a substance comprising at least one kind of Si, Sn, Al, Ge and In; and molten pitch, to obtain a mixture (1); pulverizing the mixture (1) to obtain a pulverized product (2a); dry-mixing the pulverized product (2a) and carbon particles (B) to obtain a mixture (3a); and firing the mixture (3a), followed by pulverization; or including the steps of: adding carbon particles (B) to the mixture (1), followed by dry mixing and pulverizing, to obtain a pulverized product (2b); and firing the pulverized product (2b), followed by pulverization.Type: ApplicationFiled: August 4, 2014Publication date: June 23, 2016Applicants: SHOWA DENKO K.K., UMICOREInventors: Arihiro MUTOH, Hirokazu MURATA, Masataka TAKEUCHI, Jan GILLEIR, Kris DRIESEN, Stijn PUT
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Publication number: 20140315086Abstract: This invention relates to a negative electrode material for lithium-ion batteries comprising silicon and having a chemically treated or coated surface influencing the zeta potential of the surface. The active material consists of particles or particles and wires comprising a core (11) comprising silicon, wherein the particles have a positive zeta potential in an interval between pH 3.5 and 9.5, and preferably between pH 4 and 9.5. The core is either chemically treated with an amino-functional metal oxide, or the core is at least partly covered with OySiHx groups, with 1<x<3, 1<y<3, and x>y, or is covered by adsorbed inorganic nanoparticles or cationic multivalent metal ions or oxides.Type: ApplicationFiled: December 13, 2012Publication date: October 23, 2014Inventors: Stijn Put, Jan Gilleir, Kris Driesen, Jean-Sebastien Bridel, Nicolas Marx, Delphine Longrie, Dan V. Goia, John I. Njagi
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Patent number: 7637994Abstract: A color pigment containing, based upon the total weight of the pigment, at least 70.0 weight % of a first compound COP according to Formula (I): wherein one of R1 and R2 is hydrogen and the other one of R1 and R2 represents —COOR4; R4 and R5 represent methyl; R3 is selected from the group consisting of: with C* representing the point of attachment of R3 to the nitrogen in Formula (I); and having a pigment surface including between 2.0 and 30.0 weight %, based upon the total weight of the pigment of a second compound according to Formula (I), wherein —R1, R2?, R3, R4 and R5 have the same meaning as above with the exception that at least one of R4 and R5 represents hydrogen. Also, methods of preparation of the pigment and non-aqueous pigment dispersions.Type: GrantFiled: November 28, 2006Date of Patent: December 29, 2009Assignee: Agfa Graphics NVInventors: Geert Deroover, Jan Gilleir
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Publication number: 20090025604Abstract: A color pigment containing, based upon the total weight of the pigment, at least 70.0 weight % of a first compound COP according to Formula (1): wherein one of R1 and R2 is hydrogen and the other one of R1 and R2 represents —COOR4; R4 and R5 represent methyl; R3 is selected from the group consisting of: with C* representing the point of attachment of R3 to the nitrogen in Formula (I); and having a pigment surface including between 2.0 and 30.0 weight %, based upon the total weight of the pigment of a second compound according to Formula (I), wherein —R1, R2, R3, R4 and R5 have the same meaning as above with the exception that at least one of R4 and R5 represents hydrogen. Also, methods of preparation of the pigment and non-aqueous pigment dispersions.Type: ApplicationFiled: November 28, 2006Publication date: January 29, 2009Applicant: AGFA GRAPHICS NVInventors: Geert Deroover, Jan Gilleir
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Publication number: 20060170745Abstract: An ink-jet ink set comprising three colour inks each containing at least one pigment, wherein, the first colour ink has a maximum absorbance Amax between 400 and 500 nm and an absorbance Aref at a reference wavelength of 600 nm, the second colour ink has a maximum absorbance Amax between 500 and 600 nm and an absorbance Aref at a reference wavelength of 650 nm, the third colour ink has a maximum absorbance Amax between 600 and 700 nm and an absorbance Aref at a reference wavelength of 830 nm, characterized in that each colour ink has a spectral separation factor SSF larger than 70 with SSF=Amax/Aref. A method for preparing the ink-jet ink set is also disclosed.Type: ApplicationFiled: December 13, 2005Publication date: August 3, 2006Applicant: AGFA-GEVAERTInventors: Geert Deroover, Frank De Voeght, Jan Gilleir
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Patent number: 7026108Abstract: A method has been disclosed for preparing a co-precipitated microcrystalline dye dispersion, the absorption spectrum of which exceeds the summoned spectra of individually dispersed dyes, which comprises, as consecutive preparation steps: adding to one vessel, an amount of at least one pentamethine oxonol-type barbituric acid filter dye having ionizable sites in its molecular structure; adding thereto an aqueous alkaline solution in an amount sufficient to completely dissolve the said filter dye while stirring the solution thus formed; adding in another vessel, to an amount of at least one pyrrole type filter dye, an amount of water, followed by adding of an aqueous alkaline solution and a surfactant; followed, after having completely dissolved (under stirring conditions) the said pyrrole type filter dye, by adding to the solution thus formed in the other vessel, the solution formed in the one vessel; adding an aqueous acidic solution up to a pH of less than 3.Type: GrantFiled: July 23, 2003Date of Patent: April 11, 2006Assignee: AGFA-GevaertInventors: Kris Viaene, Jan Gilleir, Geert De Roover
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Publication number: 20040074020Abstract: A method has been disclosed for preparing a co-precipitated microcrystalline dye dispersion, the absorption spectrum of which exceeds the summoned spectra of individually dispersed dyes, which comprises, as consecutive preparation steps: adding to one vessel, an amount of at least one pentamethine oxonol-type barbituric acid filter dye having ionizable sites in its molecular structure; adding thereto an aqueous alkaline solution in an amount sufficient to completely dissolve the said filter dye while stirring the solution thus formed; adding in another vessel, to an amount of at least one pyrrole type filter dye, an amount of water, followed by adding of an aqueous alkaline solution and a surfactant; followed, after having completely dissolved (under stirring conditions) the said pyrrole type filter dye, by adding to the solution thus formed in the other vessel, the solution formed in the one vessel; adding an aqueous acidic solution up to a pH of less than 3.Type: ApplicationFiled: July 23, 2003Publication date: April 22, 2004Inventors: Kris Viaene, Jan Gilleir, Geert De Roover
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Patent number: 6641621Abstract: A method has been disclosed for preparing a co-precipitated microcrystalline dye dispersion, the absorption spectrum of which exceeds the summoned spectra of individually dispersed dyes, which comprises, as consecutive preparation steps: adding to one vessel, an amount of at least one pentamethine oxonol-type barbituric acid filter dye having ionizable sites in its molecular structure; adding thereto an aqueous alkaline solution in an amount sufficient to completely dissolve the said filter dye while stirring the solution thus formed; adding in another vessel, to an amount of at least one pyrrole type filter dye, an amount of water, followed by adding of an aqueous alkaline solution and a surfactant; followed, after having completely dissolved (under stirring conditions) the said pyrrole type filter dye, by adding to the solution thus formed in the other vessel, the solution formed in the one vessel; adding an aqueous acidic solution up to a pH of less than 3.Type: GrantFiled: March 4, 2002Date of Patent: November 4, 2003Assignee: Agfa-GevaertInventors: Kris Viaene, Jan Gilleir, Geert De Roover
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Publication number: 20020160323Abstract: A method has been disclosed for preparing a co-precipitated microcrystalline dye dispersion, the absorption spectrum of which exceeds the summoned spectra of individually dispersed dyes, which comprises, as consecutive preparation steps: adding to one vessel, an amount of at least one pentamethine oxonol-type barbituric acid filter dye having ionizable sites in its molecular structure; adding thereto an aqueous alkaline solution in an amount sufficient to completely dissolve the said filter dye while stirring the solution thus formed; adding in another vessel, to an amount of at least one pyrrole type filter dye, an amount of water, followed by adding of an aqueous alkaline solution and a surfactant; followed, after having completely dissolved (under stirring conditions) the said pyrrole type filter dye, by adding to the solution thus formed in the other vessel, the solution formed in the one vessel; adding an aqueous acidic solution up to a pH of less than 3.Type: ApplicationFiled: March 4, 2002Publication date: October 31, 2002Inventors: Kris Viaene, Jan Gilleir, Geert De Roover
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Patent number: 6310001Abstract: A substantially light-insensitive thermographic recording material substantially exclusive of cationic surfactants in which at least one non-cationic surfactant is present, the thermographic recording material comprising a support and a thermosensitive element containing a substantially light-insensitive organic silver salt, a reducing agent therefor in thermal working relationship therewith and a binder, wherein all the non-cationic surfactants present in the thermographic recording material together have a non-fluoro-halide ion concentration of 1500 ppm or less; and a process for the production thereof.Type: GrantFiled: September 15, 1998Date of Patent: October 30, 2001Assignee: Agfa-GevaertInventors: Carlo Uyttendaele, Jan Gilleir, Ingrid Geuens, Ivan Hoogmartens