Patents by Inventor Max Eisgruber
Max Eisgruber 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: 9748557Abstract: The present invention relates to a method for producing lithium aluminum titanium phosphates of the general formula Li1+xTi2?xAlx(PO4)3, wherein x is ?0.4, a method for their production as well as their use as solid-state electrolytes in lithium ion accumulators.Type: GrantFiled: April 29, 2015Date of Patent: August 29, 2017Assignee: Johnson Matthey PLCInventors: Michael Holzapfel, Max Eisgruber, Gerhard Nuspl
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Publication number: 20150236339Abstract: The present invention relates to a method for producing lithium aluminium titanium phosphates of the general formula Li1+xTi2?xAlx(PO4)3, wherein x is ?0.4, a method for theft production as we as theft use as solid-state electrolytes in lithium on accumulators.Type: ApplicationFiled: April 29, 2015Publication date: August 20, 2015Applicant: Sued-Chemie IP GmbH & Co. KGInventors: Michael HOLZAPFEL, Max EISGRUBER, Gerhard NUSPL
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Patent number: 9085491Abstract: A carbon-containing lithium titanium oxide containing spherical particle aggregate with a diameter of 1-80 ?m, consisting of lithium titanium oxide primary particles coated with carbon. Also, a method for the production of such a carbon-containing lithium titanium oxide as well as an electrode containing such a carbon-containing lithium titanium oxide as active material as well as a lithium-ion secondary battery containing an above-described electrode.Type: GrantFiled: February 28, 2014Date of Patent: July 21, 2015Assignee: Sued-Chemie IP GmbH & Co. KGInventors: Jasmin Dollinger, Andreas Pollner, Michael Holzapfel, Nicolas Tran, Norbert Schall, Max Eisgruber
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Publication number: 20140175687Abstract: A carbon-containing lithium titanium oxide containing spherical particle aggregate with a diameter of 1-80 ?m, consisting of lithium titanium oxide primary particles coated with carbon. Also, a method for the production of such a carbon-containing lithium titanium oxide as well as an electrode containing such a carbon-containing lithium titanium oxide as active material as well as a lithium-ion secondary battery containing an above-described electrode.Type: ApplicationFiled: February 28, 2014Publication date: June 26, 2014Applicant: SUED-CHEMIE IP GMBH & CO., KGInventors: Jasmin Dollinger, Andreas Pollner, Michael Holzapfel, Nicolas Tran, Norbert Schall, Max Eisgruber
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Publication number: 20120295167Abstract: The present invention relates to a method for producing lithium aluminum titanium phosphates of the general formula Li1+xTi2?xAlx(PO4)3, wherein x is ?0.4, a method for their production as well as their use as solid-state electrolytes in lithium ion accumulators.Type: ApplicationFiled: October 14, 2010Publication date: November 22, 2012Applicant: Sud-Chemie AGInventors: Michael Holzapfel, Max Eisgruber, Gerhard Nuspl
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Patent number: 8053075Abstract: The invention relates to a crystalline ion-conducting material made of LiMPO4 nanoparticles, wherein M is selected from Cr, Mn, Co, Fe and Ni, in addition to mixtures thereof and the nanoparticles have an essentially flat prismatic shape. The invention also relates to a method for producing said type of crystalline ion-conducting material which consists of the following steps: a precursor component is produced in a solution front a lithium compound of a component containing metal ions M and a phosphate compound, the precursor compound is subsequently precipitated from the solution and, optionally, a suspension of the precursor compound is formed, the precursor compound and/or the suspension is dispersed and/or ground, and the precursor compound and/or the suspension is converted under hydrothermal conditions and subsequently, the crystalline material is extracted.Type: GrantFiled: March 9, 2006Date of Patent: November 8, 2011Assignee: Sued-Chemie AGInventors: Norbert Schall, Gerhard Nuspl, Christian Vogler, Lucia Wimmer, Max Eisgruber
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Publication number: 20110217593Abstract: A carbon-containing lithium titanium oxide containing spherical particle aggregate with a diameter of 1-80 ?m, consisting of lithium titanium oxide primary particles coated with carbon. Also, a method for the production of such a carbon-containing lithium titanium oxide as well as an electrode containing such a carbon-containing lithium titanium oxide as active material as well as a lithium-ion secondary battery containing an above-described electrode.Type: ApplicationFiled: October 7, 2009Publication date: September 8, 2011Applicant: Sud-Chemie AGInventors: Jasmin Dollinger, Andreas Pollner, Michael Holzapfel, Nicolas Tran, Norbert Schall, Max Eisgruber
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Patent number: 7998618Abstract: The invention describes a process for producing a compound of the formula LiMPO.sub.4, in which M represents at least one metal from the first transition series, comprising the following steps: a) production of a precursor mixture, containing at least one Li.sup.+ source, at least one M.sup.2+ source and at least one PO.sub.4.sup.3? source, in order to form a precipitate and thereby to produce a precursor suspension; b) dispersing or milling treatment of the precursor mixture and/or the precursor suspension until the D90 value of the particles in the precursor suspension is less than 50 .mu.m; and c) the obtaining of LiMPO.sub.4 from the precursor suspension obtained in accordance with b), preferably by reaction under hydrothermal conditions. The material obtainable by this process has particularly advantageous particle size distributions and electrochemical properties when used in electrodes.Type: GrantFiled: October 4, 2010Date of Patent: August 16, 2011Assignee: SUD-Chemi AGInventors: Gerhard Nuspl, Lucia Wimmer, Max Eisgruber
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Patent number: 7897136Abstract: A method is described for the manufacture of hydrotalcites by using at least one compound of a bivalent metal (Component A) and at least one compound of a trivalent metal (Component B), wherein at least one of these components is not used in the form of a solution, characterized in that a) at least one of the Components A and/or B which is not used in the form of a solution, shortly before or during mixing of the components, and/or b) the mixture containing the Components A and B is subjected to intensive grinding until an average particle size (D50) in the range of approx. 0.1 to 5 ?m is obtained, and optionally, after aging treatment or hydrothermal treatment, the resulting hydrotalcite product is separated, dried, and optionally calcinated.Type: GrantFiled: April 30, 2007Date of Patent: March 1, 2011Assignee: Sud-Chemie AGInventors: Max Eisgruber, Jürgen Ladebeck, Jürgen Koy, Hubert Schiessling, Wolfgang Buckl, Herrmann Ebert
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Publication number: 20110017947Abstract: The invention describes a process for producing a compound of the formula LiMPO.sub.4, in which M represents at least one metal from the first transition series, comprising the following steps: a) production of a precursor mixture, containing at least one Li.sup.+ source, at least one M.sup.2+ source and at least one PO.sub.4.sup.3? source, in order to form a precipitate and thereby to produce a precursor suspension; b) dispersing or milling treatment of the precursor mixture and/or the precursor suspension until the D90 value of the particles in the precursor suspension is less than 50 .mu.m; and c) the obtaining of LiMPO.sub.4 from the precursor suspension obtained in accordance with b), preferably by reaction under hydrothermal conditions. The material obtainable by this process has particularly advantageous particle size distributions and electrochemical properties when used in electrodes.Type: ApplicationFiled: October 4, 2010Publication date: January 27, 2011Inventors: Gerhard Nuspl, Lucia Wimmer, Max Eisgruber
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Patent number: 7807121Abstract: The invention describes a process for producing a compound of the formula LiMPO4, in which M represents at least one metal from the first transition series, comprising the following steps: a) production of a precursor mixture, containing at least one Li+ source, at least one M2+ source and at least one PO43? source, in order to form a precipitate and thereby to produce a precursor suspension; b) dispersing or milling treatment of the precursor mixture and/or the precursor suspension until the D90 value of the particles in the precursor suspension is less than 50 ?m; and c) the obtaining of LiMPO4 from the precursor suspension obtained in accordance with b), preferably by reaction under hydrothermal conditions. The material obtainable by this process has particularly advantageous particle size distributions and electrochemical properties when used in electrodes.Type: GrantFiled: November 14, 2004Date of Patent: October 5, 2010Assignee: Sud-Chemie AGInventors: Gerhard Nuspl, Lucia Wimmer, Max Eisgruber
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Publication number: 20070231243Abstract: A method is described for the manufacture of hydrotalcites by using at least one compound of a bivalent metal (Component A) and at least one compound of a trivalent metal (Component B), wherein at least one of these components is not used in the form of a solution, characterized in that a) at least one of the Components A and/or B which is not used in the form of a solution, shortly before or during mixing of the components, and/or b) the mixture containing the Components A and B is subjected to intensive grinding until an average particle size (D50) in the range of approx. 0.1 to 5 ?m is obtained, and optionally, after aging treatment or hydrothermal treatment, the resulting hydrotalcite product is separated, dried, and optionally calcinated.Type: ApplicationFiled: April 30, 2007Publication date: October 4, 2007Inventors: MAX EISGRUBER, Jurgen Ladebeck, Jurgen Koy, Hubert Schiessling, Wolfgang Buckl, Herrmann Ebert
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Patent number: 7211235Abstract: A method is described for the manufacture of hydrotalcites by using at least one compound of a bivalent metal (Component A) and at least one compound of a trivalent metal (Component B), wherein at least one of these components is not used in the form of a solution, characterized in that a) at least one of the Components A and/or B which is not used in the form of a solution, shortly before or during mixing of the components, and/or b) the mixture containing the Components A and B is subjected to intensive grinding until an average particle size (D50) in the range of approx. 0.1 to 5 ?m is obtained, and optionally, after aging treatment or hydrothermal treatment, the resulting hydrotalcite product is separated, dried, and optionally calcinated.Type: GrantFiled: April 18, 2002Date of Patent: May 1, 2007Assignee: Sud-Chemie AGInventors: Max Eisgruber, Jürgen Ladebeck, Jürgen Koy, Hubert Schiessling, Wolfgang Buckl, Herrmann Ebert
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Publication number: 20070054187Abstract: The invention describes a process for producing a compound of the formula LiMPO4, in which M represents at least one metal from the first transition series, comprising the following steps: a) production of a precursor mixture, containing at least one Li+ source, at least one M2+ source and at least one PO43? source, in order to form a precipitate and thereby to produce a precursor suspension; b) dispersing or milling treatment of the precursor mixture and/or the precursor suspension until the D90 value of the particles in the precursor suspension is less than 50 ?m; and c) the obtaining of LiMPO4 from the precursor suspension obtained in accordance with b), preferably by reaction under hydrothermal conditions. The material obtainable by this process has particularly advantageous particle size distributions and electrochemical properties when used in electrodes.Type: ApplicationFiled: November 14, 2004Publication date: March 8, 2007Applicant: SÜD-Chemie AGInventors: Gerhard Nuspl, Lucia Wimmer, Max Eisgruber
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Publication number: 20040141907Abstract: A method is described for the manufacture of hydrotalcites by using at least one compound of a bivalent metal (Component A) and at least one compound of a trivalent metal (Component B), wherein at least one of these components is not used in the form of a solution, characterized in thatType: ApplicationFiled: January 14, 2004Publication date: July 22, 2004Inventors: Max Eisgruber, Jurgen Ladebeck, Jurgen Koy, Hubert Schiessling, Wolfgang Buckl, Herrmann Ebert
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Patent number: 5648306Abstract: A process for producing sorbents based on smectites for absorbing liquids is described. This process is characterized in thata) a smectite with a water content of less than 6% by weight;b) a wet mass of fibrous cellulose and inorganic pigments which forms in the treatment of waste water from paper manufacture; andc) anhydrous calcium sulfate (anhydrite) or calcium sulfate hemihydrateare mixed with one another, compressed and crushed. The quantitative ratio between the smectite (a), the wet mass (b) and calcium sulfate (c) are selected such that the water content (free water) of the granular material is less than 20% by weight.Type: GrantFiled: October 2, 1995Date of Patent: July 15, 1997Assignee: Sud-Chemie AGInventors: Reinhard Hahn, Otto Haubensak, Max Eisgruber
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Patent number: 5450817Abstract: A process for the production of sorbents based on bentonite for the uptake of liquids is described. The process is characterized in that a poorly swelling bentonite with a water uptake capacity of less than 100% (in terms of the dried bentonite with a residual water content of 6 wt. %), a montmorillonite content of around 40-65 wt. % and a water content of 20-40 wt. % is homogenized with a basic-reacting alkaline metal compound by thorough kneading and converted by ion exchange to a swelling bentonite, while the pH value of the mixture is not more than 10.5, the mixture is gently dried, and the dried mixture is fragmented.Type: GrantFiled: December 20, 1993Date of Patent: September 19, 1995Assignee: Sud-Chemie AGInventors: Reinhard Hahn, Norbert Schall, Rolf Ahlers, Otto Haubensak, Max Eisgruber