Patents by Inventor Jurgen Ladebeck
Jurgen Ladebeck 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: 8992768Abstract: A highly active nickel carrier catalyst based on aluminium oxide has a nickel content of approximately 20 to 70 wt.-% (as Ni) and optionally comprises a bonding agent and optionally a promoter, selected from the compounds of Mg, Ti, Pb, Pt, Ba, Ca and/or Cu, wherein the size of the Ni crystallites in the reduced state is in the range of approximately 3.5 to 4.5 nm and the distortion factor of the Ni crystallites is approximately 2 to 5%. In a method for the reduction of the content of sulphur compounds in hydrocarbon-based fuels by selective adsorption of the sulphur compounds on a nickel catalyst, a nickel catalyst based on aluminium oxide is used, particularly the nickel catalyst described above. A nickel catalyst based on aluminium oxide may be used for reducing the sulphur compound content in hydrocarbon-based fuels by selective adsorption of the sulphur compounds on said catalyst and/or for the hydrogenation of aromatic compounds.Type: GrantFiled: March 13, 2008Date of Patent: March 31, 2015Assignee: Süd-Chemie IP GmbH & Co. KGInventors: Jürgen Ladebeck, Tiberius Regula, Klaus Wanninger, Wolfgang Gabriel, Frank Grossmann, Jürgen Koy
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Publication number: 20130266507Abstract: The subject of the invention is a method for the synthesis of zeolites, comprising the following steps: a) providing a silicon source; b) providing an aluminium source; c) optionally providing at least one template; d) mixing the silicon source, aluminium source and optional template in order to produce a synthesis gel; e) grinding the synthesis gel; f) treating the ground synthesis gel under hydrothermal conditions in order to produce crystalline zeolite, as well as zeolites that can be obtained according to this method. The products obtained according to the method can be used as catalysts or catalyst supports.Type: ApplicationFiled: November 28, 2011Publication date: October 10, 2013Applicant: SUD-CHEMIE IP GMBH & CO. KGInventors: Jürgen Ladebeck, Jürgen Koy, Stephen Wellach, Josef Schönlinner, Götz Burgfels
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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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Patent number: 7767619Abstract: A promoted calcium-alumina supported reforming catalyst that is particularly useful for reforming reactions where low H2/CO ratio synthesis gas, such as less than 2.3 is generated directly is disclosed. The catalyst comprises from about 25 wt % to about 98 wt % alumina, from about 0.5 wt % to about 35 wt % calcium oxide, from about 0.01 wt % to about 35 wt % of a promoter, and from about 0.05 wt % to about 30 wt % of an active metal. The promoter is selected from the group consisting of titanium, zirconium, yttrium, niobium, elements of the lanthanum-series, such as, without limitation, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, ytterbium, and combinations thereof. The active metal is selected from the group consisting of nickel, cobalt, rhodium, ruthenium, palladium, platinum, iridium and combinations thereof as active metal, wherein the calcium oxide is combined with the alumina to form aluminum-rich calcium aluminates.Type: GrantFiled: July 9, 2004Date of Patent: August 3, 2010Assignee: Sud-Chemie Inc.Inventors: Shizhong Zhao, Yeping Cai, Xiao D. Hu, Jon P. Wagner, Jürgen Ladebeck, R. Steve Spivey
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Patent number: 7754651Abstract: Disclosed is an Cu/Zn/Al-catalyst containing copper oxide and zinc oxide as catalytically active components and aluminium oxide as thermostabilising component. The catalyst is characterized in that the Cu/Zn atomic ratio is <2.8 and the aluminium oxide component is obtained from an aluminium hydroxide sol.Type: GrantFiled: November 6, 2002Date of Patent: July 13, 2010Assignee: Süd -Chemie AGInventors: Jurgen Ladebeck, Jurgen Koy, Tiberius Regula
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Patent number: 7749376Abstract: The present invention is a method for the adsorption of sulfur-containing compounds from a hydrocarbon feedstream, and in particular, an olefin feedstream. The method comprises contacting the sulfur-containing compound with a copper oxide/zinc oxide/aluminum oxide catalyst optionally promoted with a metal.Type: GrantFiled: August 15, 2005Date of Patent: July 6, 2010Assignee: Sud-Chemie Inc.Inventors: Wayne Turbevillle, Nora Yap, Yeping Cai, Jürgen Ladebeck
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Publication number: 20100116717Abstract: A highly active nickel carrier catalyst based on aluminium oxide has a nickel content of approximately 20 to 70 wt.-% (as Ni) and optionally comprises a bonding agent and optionally a promoter, selected from the compounds of Mg, Ti, Pb, Pt, Ba, Ca and/or Cu, wherein the size of the Ni crystallites in the reduced state is in the range of approximately 3.5 to 4.5 nm and the distortion factor of the Ni crystallites is approximately 2 to 5%. In a method for the reduction of the content of sulphur compounds in hydrocarbon-based fuels by selective adsorption of the sulphur compounds on a nickel catalyst, a nickel catalyst based on aluminium oxide is used, particularly the nickel catalyst described above. A nickel catalyst based on aluminium oxide may be used for reducing the sulphur compound content in hydrocarbon-based fuels by selective adsorption of the sulphur compounds on said catalyst and/or for the hydrogenation of aromatic compounds.Type: ApplicationFiled: March 13, 2008Publication date: May 13, 2010Applicant: SUD-CHEMIE AGInventors: Jurgen Ladebeck, Tiberius Regula, Klaus Wanninger, Wolfgang Gabriel, Frank Grossmann, Jürgen Koy
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Patent number: 7465839Abstract: The invention relates to a process for hydrogenating ketones, wherein the ketone is fed in a mixture with hydrogen to a catalyst bed which comprises a copper chromite catalyst which has a proportion of SiO2 as catalyst.Type: GrantFiled: November 16, 2005Date of Patent: December 16, 2008Assignee: Süd-Chemie AGInventor: Jürgen Ladebeck
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Patent number: 7378369Abstract: A calcium-promoted alumina supported nickel reforming catalyst stabilized with titanium is disclosed. The catalyst is particularly useful for reforming reaction in feed streams containing significant quantities of CO and CO2, low quantities of steam (the feed stream having a H2O/CH4 of less than 0.8 and a CO2/CH4 of greater than 0.5) and relatively high quantities of sulfur compounds (up to about 20 ppm). The catalyst comprises from about 25 wt % to about 98 wt % alumina as a support, from about 2 wt % to about 40 wt % nickel oxide, which is promoted with from about 0.5 wt % to about 35 wt % calcium oxide, and which is stabilized with from about 0.01 wt % to about 20 wt % titanium, wherein the calcium oxide is combined with the alumina to form calcium aluminate. The catalyst can be used in reforming reactions to produce syngas and has advantages in producing low hydrogen to carbon monoxide ratio syngas for applications such as iron ore reduction.Type: GrantFiled: March 22, 2004Date of Patent: May 27, 2008Assignee: Sud-Chemie Inc.Inventors: Shizhong Zhao, Yeping Cai, Jurgen Ladebeck
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Publication number: 20080103338Abstract: The invention relates to a method for the hydrogenation of ketones. According to said method, the ketone is supplied, in a mixture with hydrogen, to a catalyst bed containing a copper chromite catalyst containing SiO2.Type: ApplicationFiled: November 16, 2005Publication date: May 1, 2008Inventor: Jurgen Ladebeck
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Publication number: 20080032887Abstract: A promoted calcium-alumina supported reforming catalyst that is particularly useful for reforming reactions where low H2/CO ratio synthesis gas, such as less than 2.3 is generated directly is disclosed. The catalyst comprises alumina, from about 0.3 wt % to about 35 wt % calcium oxide, from about 0.1 wt % to about 35 wt % of a strontium promoter, and from about 0.5 wt % to about 30 wt % nickel. The support is prepared by a method wherein the calcium oxide is combined with the alumina to form aluminum-rich calcium aluminates.Type: ApplicationFiled: June 11, 2007Publication date: February 7, 2008Inventors: Chandra Ratnasamy, Yeping Cai, William Faris, Jurgen Ladebeck
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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: 7229941Abstract: A catalyst is described based on crystalline aluminosilicates of the pentasil type, characterized in that it is constructed from primary crystallites with an average diameter of at least 0.01 ?m and less than 0.1 ?m, that are combined to at least 20% to agglomerates of 5 to 500 ?m, in which the primary crystallites or agglomerates are bonded together by finely divided aluminum oxide, that its BET surface is 300 to 600 m2/g and its pore volume (determined according to mercury porosimetry) is 0.3 to 0.8 cm3/g, that it is present in H form and that the amount of finely divided aluminum oxide binder is 10 to 40 wt. %, referred to the total weight of the aluminosilicate, in which the finely divided aluminum oxide binder is used in the reaction charge as peptizable aluminum oxide hydrate, sodium aluminate being used as aluminum and alkali source, and primary synthesis of the crystalline aluminosilicate occurs without addition of acid.Type: GrantFiled: December 1, 2003Date of Patent: June 12, 2007Assignee: Sud-Chemie AGInventors: Götz Burgfels, Karl Kochloefl, Jürgen Ladebeck, Michael Schneider, Friedrich Schmidt, Hans-Jürgen Wernicke, Josef Schönlinner
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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: 20070034552Abstract: The present invention is a method for the adsorption of sulfur-containing compounds from a hydrocarbon feedstream, and in particular, an olefin feedstream. The method comprises contacting the sulfur-containing compound with a copper oxide/zinc oxide/aluminum oxide catalyst optionally promoted with a metal.Type: ApplicationFiled: August 15, 2005Publication date: February 15, 2007Inventors: Wayne Turbeville, Nora Yap, Yeping Cai, Jurgen Ladebeck
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Publication number: 20060009352Abstract: A promoted calcium-alumina supported reforming catalyst that is particularly useful for reforming reactions where low H2/CO ratio synthesis gas, such as less than 2.3 is generated directly is disclosed. The catalyst comprises from about 25 wt % to about 98 wt % alumina, from about 0.5 wt % to about 35 wt % calcium oxide, from about 0.01 wt % to about 35 wt % of a promoter, and from about 0.05 wt % to about 30 wt % of an active metal. The promoter is selected from the group consisting of titanium, zirconium, yttrium, niobium, elements of the lanthanum-series, such as, without limitation, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, ytterbium, and combinations thereof. The active metal is selected from the group consisting of nickel, cobalt, rhodium, ruthenium, palladium, platinum, iridium and combinations thereof as active metal, wherein the calcium oxide is combined with the alumina to form aluminum-rich calcium aluminates.Type: ApplicationFiled: July 9, 2004Publication date: January 12, 2006Inventors: Shizhong Zhao, Yeping Cai, X.D. Hu, Jurgen Ladebeck, Jon Wagner
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Publication number: 20050080148Abstract: Disclosed is an Cu/Zn/Al-catalyst containing copper oxide and zinc oxide as catalytically active components and aluminium oxide as thermostabilising component. The catalyst is characterized in that the Cu/Zn atomic ratio is <2.8 and that the aluminium oxide component is obtained from an aluminium hydroxide sol.Type: ApplicationFiled: November 6, 2002Publication date: April 14, 2005Inventors: Jurgen Ladebeck, Jurgen Koy, Tiberius Regula
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Publication number: 20040180786Abstract: A calcium-promoted alumina supported nickel reforming catalyst stabilized with titanium is disclosed. The catalyst is particularly useful for reforming reaction in feed streams containing significant quantities of CO and CO2, low quantities of steam (the feed stream having a H2O/CH4 of less than 0.8 and a CO2/CH4 of greater than 0.5) and relatively high quantities of sulfur compounds (up to about 20 ppm). The catalyst comprises from about 25 wt % to about 98 wt % alumina as a support, from about 2 wt % to about 40 wt % nickel oxide, which is promoted with from about 0.5 wt % to about 35 wt % calcium oxide, and which is stabilized with from about 0.01 wt % to about 20 wt % titanium, wherein the calcium oxide is combined with the alumina to form calcium aluminate. The catalyst can be used in reforming reactions to produce syngas and has advantages in producing low hydrogen to carbon monoxide ratio syngas for applications such as iron ore reduction.Type: ApplicationFiled: March 22, 2004Publication date: September 16, 2004Inventors: Shizhong Zhao, Yeping Cai, Jurgen Ladebeck
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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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Publication number: 20040138053Abstract: A catalyst is described based on crystalline aluminosilicates of the pentasil type, characterized by the fact that it is constructed from primary crystallizes with an average diameter of at least 0.01 &mgr;m and less than 0.1 &mgr;m, that are combined to at least 20% to agglomerates of 5 to 500 &mgr;m, in which the primary crystallites or agglomerates are bonded together by finely divided aluminum oxide, that its BET surface is 300 to 600 m2/g and its pore volume (determined according to mercury porosimetry) is 0.3 to 0.8 cm3/g, that it is present in H form and that the amount of finely divided aluminum oxide binder is 10 to 40 wt. %, referred to the total weight of the aluminosilicate, in which the finely divided aluminum oxide binder is present in the reaction charge as peptizable aluminum oxide hydrate, sodium aluminate being used as aluminum and alkali source, and primary synthesis of the crystalline aluminosilicate occurs without addition of acid.Type: ApplicationFiled: December 1, 2003Publication date: July 15, 2004Applicant: Sud-Chemie AGInventors: Gotz Burgfels, Karl Kochloefl, Jurgen Ladebeck, Michael Schneider, Friedrich Schmidt, Hans-Jurgen Wernicke, Josef Schonlinner