Patents by Inventor Ruediger Schuette
Ruediger Schuette 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: 10337110Abstract: An apparatus for chlor-alkali electrolysis, comprising a cathode half-cell, an oxygen-consuming electrode arranged therein, a conduit for supply of gaseous oxygen to the cathode half-cell and a conduit for purging the cathode half-cell with inert gas, enables the flexible use of power by a method in which chlorine is produced in the apparatus by chlor-alkali electrolysis, wherein, when power supply is low, the oxygen-consuming electrode is supplied with gaseous oxygen, and oxygen is reduced at the oxygen-consuming electrode at a first cell voltage, and when power supply is high, the oxygen-consuming electrode is not supplied with any oxygen, and hydrogen is generated at the cathode at a second cell voltage which is higher than the first cell voltage.Type: GrantFiled: November 28, 2014Date of Patent: July 2, 2019Assignee: Covestro Deutschland AGInventors: Georg Markowz, Imad Moussallem, Rüdiger Schütte, Jürgen Erwin Lang
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Patent number: 10065865Abstract: The present invention relates to a process for preparing aqueous colloidal silica sols of high purity from silicate solutions, to aqueous colloidal silica sols with a specific profile of impurities, and to the use thereof. The invention further encompasses high-purity aqueous silica obtained as an intermediate in the course of the purification process, high-purity silicon dioxide obtainable by dewatering, and the use thereof.Type: GrantFiled: February 9, 2012Date of Patent: September 4, 2018Assignee: Evonik Degussa GmbHInventors: Claudia Fuhrmann, Dieter Oehm, Christian Panz, Florian Paulat, Rüdiger Schütte, Hartwig Rauleder, Georg Markowz, Jürgen Erwin Lang, Bodo Frings
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Patent number: 9530952Abstract: The invention relates to a method for producing a thermoelectric component or at least a semifinished version thereof, in which at least one thermoelectric active material in dry powder form is introduced into at least some of the holes of a perforated template. It addresses the problem of specifying a method which can be conducted in a particularly economically viable manner. The problem is solved by virtue of the active material remaining in the holes of the template, and the template filled with active material becoming a constituent of the thermoelectric component produced.Type: GrantFiled: March 26, 2013Date of Patent: December 27, 2016Assignee: Evonik Industries AGInventors: Patrik Stenner, Mareike Giesseler, Thorsten Schultz, Sascha Hoch, Jens Busse, Ann-Kathrin Herr, Rüdiger Schütte
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Publication number: 20160305030Abstract: An apparatus for chlor-alkali electrolysis, comprising a cathode half-cell, an oxygen-consuming electrode arranged therein, a conduit for supply of gaseous oxygen to the cathode half-cell and a conduit for purging the cathode half-cell with inert gas, enables the flexible use of power by a method in which chlorine is produced in the apparatus by chlor-alkali electrolysis, wherein, when power supply is low, the oxygen-consuming electrode is supplied with gaseous oxygen, and oxygen is reduced at the oxygen-consuming electrode at a first cell voltage, and when power supply is high, the oxygen-consuming electrode is not supplied with any oxygen, and hydrogen is generated at the cathode at a second cell voltage which is higher than the first cell voltage.Type: ApplicationFiled: November 28, 2014Publication date: October 20, 2016Applicant: Evonik Degussa GmbHInventors: GEORG MARKOWZ, IMAD MOUSSALLEM, RÜDIGER SCHÜTTE, JÜRGEN ERWIN LANG
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Publication number: 20160122194Abstract: The present invention relates to an integrated plant which comprises a plant for the electrothermic production of hydrogen cyanide and a separating device for separating hydrogen cyanide from the reaction mixture of the electrothermic production of hydrogen cyanide while obtaining at least one stream of gas containing hydrogen and/or hydrocarbons, the integrated plant having a device for introducing a gas into a natural gas network, to which device a stream of gas containing hydrogen and/or hydrocarbons is fed from the separating device via at least one conduit. This integrated plant affords flexible use of electricity by a method in which a stream of gas, containing hydrogen and/or hydrocarbons, is fed into a natural gas network from the separating device and the amount and/or the composition of the stream of gas fed into the natural gas network is changed in dependence on the electricity supply.Type: ApplicationFiled: April 30, 2014Publication date: May 5, 2016Inventors: Georg MARKOWZ, Jürgen Erwin Lang, Rüdiger Schütte
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Publication number: 20160108809Abstract: The present invention relates to an integrated plant which comprises a plant for the electrothermic production of hydrogen cyanide and a plant for electricity generation, the plant for the electrothermic production of hydrogen cyanide being connected to the plant for electricity generation via a conduit and electricity being generated in the plant for electricity generation from a product gas obtained in the plant for the electrothermic production of hydrogen cyanide. This integrated plant affords flexible use of electricity by a method in which, at times of a high electricity supply, the plant for the electrothermic production of hydrogen cyanide is operated and at least some of the hydrogen and/or gaseous hydrocarbons obtained in addition to hydrogen cyanide is stored and, at times of a low electricity supply, stored hydrogen and/or gaseous hydrocarbons are fed to the plant for electricity generation.Type: ApplicationFiled: April 30, 2014Publication date: April 21, 2016Applicant: Evonik Degussa GmbHInventors: Georg Markowz, Jürgen Erwin Lang, Rüdiger Schütte
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Publication number: 20150315936Abstract: The present invention relates to an integrated plant which comprises a plant for the electrothermic production of ethyne and a plant for electricity generation, the plant for the electrothermic production of ethyne being connected to the plant for electricity generation via a conduit and electricity being generated in the plant for electricity generation from a product gas obtained in the plant for the electrothermic production of ethyne. This integrated plant affords flexible use of electricity by a method in which, at times of a high electricity supply, the plant for the electrothermic production of ethyne is operated and at least some of the hydrogen and/or gaseous hydrocarbons obtained in addition to ethyne is stored and, at times of a low electricity supply, stored hydrogen and/or gaseous hydrocarbons are fed to the plant for electricity generation.Type: ApplicationFiled: November 8, 2013Publication date: November 5, 2015Inventors: Georg Markowz, Jürgen Erwin Lang, Rüdiger Schütte
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Publication number: 20150298093Abstract: The present invention relates to an integrated plant which comprises a plant for the electrothermic production of ethyne and a separating device for separating ethyne from the reaction mixture of the electrothermic production of ethyne while obtaining at least one stream of gas containing hydrogen and/or hydrocarbons, the integrated plant having a device for introducing a gas into a natural gas network, to which device a stream of gas containing hydrogen and/or hydrocarbons is fed from the separating device via at least one conduit. This integrated plant affords flexible use of electricity by a method in which a stream of gas, containing hydrogen and/or hydrocarbons, is fed into a natural gas network from the separating device and the amount and/or the composition of the stream of gas fed into the natural gas network is changed in dependence on the electricity supply.Type: ApplicationFiled: November 8, 2013Publication date: October 22, 2015Inventors: Georg Markowz, Jürgen Erwin Lang, Rüdiger Schütte
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Publication number: 20150236511Abstract: The present invention relates to a method for limiting the load of electricity transmission networks, comprising the generation of heat by operating an apparatus for the oxidation of a hydrocarbon-containing gas, in which alternatively a required provision of heat from the oxidation of the hydrocarbon-containing gas is substituted by the provision of heat from electrical energy with an apparatus for providing heat by using electrical power and the hydrocarbon-containing gas that is not oxidized is provided. A facility for carrying out the present method is also described.Type: ApplicationFiled: August 8, 2013Publication date: August 20, 2015Inventors: Jörg Strese, Gerd Hinüber, Christoph Butterweck, Georg Markowz, Jürgen Erwin Lang, Rüdiger Schütte
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Publication number: 20150218475Abstract: The present invention relates to a method for obtaining a hydrocarbon-containing gas, comprising the generation of heat by operating an apparatus for the oxidation of a hydrocarbon-containing gas, characterized in that alternatively a required provision of heat from the oxidation of the hydrocarbon-containing gas is substituted by the provision of heat from electrical energy with an apparatus for providing heat by using electrical power and the hydrocarbon-containing gas that is not oxidized is provided. A facility for carrying out the present method is also described.Type: ApplicationFiled: August 8, 2013Publication date: August 6, 2015Inventors: Jörg Strese, Gerd Hinüber, Christoph Butterweck, Georg Markowz, Jürgen Erwin Lang, Rüdiger Schütte
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Patent number: 9051526Abstract: A method for modification of a methane-containing gas stream, comprising the steps of: i) withdrawal of at least one substream from a methane-containing gas stream; ii) treatment of the substream with an electrically generated plasma, generating a modified gas composition which comprises a lower fraction of methane than the methane-containing gas stream used and iii) return of modified gas composition into the methane-containing gas stream. This method makes possible the storage of excess power in a natural gas line grid.Type: GrantFiled: June 18, 2012Date of Patent: June 9, 2015Assignee: Evonik Degussa GmbHInventors: Georg Markowz, Jürgen Erwin Lang, Rüdiger Schütte
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Publication number: 20150047685Abstract: The invention relates to a method for producing a thermoelectric component or at least a semifinished version thereof, in which at least one thermoelectric active material in dry powder form is introduced into at least some of the holes of a perforated template. It addresses the problem of specifying a method which can be conducted in a particularly economically viable manner. The problem is solved by virtue of the active material remaining in the holes of the template, and the template filled with active material becoming a constituent of the thermoelectric component produced.Type: ApplicationFiled: March 26, 2013Publication date: February 19, 2015Applicant: Evonik Industries AGInventors: Patrik Stenner, Mareike Giesseler, Thorsten Schultz, Sascha Hoch, Jens Busse, Ann-Kathrin Kraemer, Ruediger Schuette
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Publication number: 20140042359Abstract: The present invention relates to a process for preparing aqueous colloidal silica sols of high purity from silicate solutions, to aqueous colloidal silica sols with a specific profile of impurities, and to the use thereof. The invention further encompasses high-purity aqueous silica obtained as an intermediate in the course of the purification process, high-purity silicon dioxide obtainable by dewatering, and the use thereof.Type: ApplicationFiled: February 9, 2012Publication date: February 13, 2014Applicant: EVONIK DEGUSSA GMBHInventors: Claudia Fuhrmann, Dieter Oehm, Christian Panz, Florian Paulat, Rüdiger Schütte, Hartwig Rauleder, Georg Markowz, Jürgen Erwin Lang, Bodo Frings
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Publication number: 20140041548Abstract: The present invention relates to a process for producing SiO2 mouldings, comprising the preparation of a free-flowing aqueous SiO2 composition, solidification of the aqueous SiO2 composition and drying of the solidified SiO2 composition, wherein the aqueous SiO2 composition is a self-assembly composition. The present invention further relates to a moulding obtainable by the process according to the invention.Type: ApplicationFiled: February 14, 2012Publication date: February 13, 2014Applicant: EVONIK DEGUSSA GMBHInventors: Jürgen Erwin Lang, Maciej Olek, Hartwig Rauleder, Bodo Frings, Rüdiger Schütte, Georg Borchers, Georg Markowz, Florian Zschunke
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Patent number: 8475576Abstract: The present invention relates to a component for producing vacuum insulation systems, comprising at least one insulation layer which is surrounded by a casing, wherein the gas pressure in the insulation layer can be reduced by means provided in the component, wherein the means for reducing the gas pressure is embodified as activatable. The present invention further describes a vacuum insulation system comprising a component according to the invention.Type: GrantFiled: July 9, 2009Date of Patent: July 2, 2013Assignee: Evonik Degussa GmbHInventors: Georg Markowz, Thorsten Schultz, Juri Tschernjaew, Farid Usmanov, Wojciech Pisula, Ruediger Schuette
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Patent number: 8378206Abstract: There are described thermoelectric elements that are manufactured by using a porous matrix or a porous substrate. The matrix consists of an electrically insulating material having sufficient thermal and chemical resistance as well as the lowest possible thermal conductivity, and is provided in predetermined regions with different thermoelectric materials, so that continuous conductors are formed in the matrix. These are electrically connected to one another to form thermocouples, which in turn are electrically interconnected with one another to form the thermoelectric element.Type: GrantFiled: November 21, 2007Date of Patent: February 19, 2013Assignee: Evonik Degussa GmbHInventors: Ruediger Schuette, Thorsten Schultz, Georg Markowz
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Publication number: 20120318661Abstract: A method for modification of a methane-containing gas stream, comprising the steps of: i) withdrawal of at least one substream from a methane-containing gas stream; ii) treatment of the substream with an electrically generated plasma, generating a modified gas composition which comprises a lower fraction of methane than the methane-containing gas stream used and iii) return of modified gas composition into the methane-containing gas stream. This method makes possible the storage of excess power in a natural gas line grid.Type: ApplicationFiled: June 18, 2012Publication date: December 20, 2012Applicant: Evonik Degussa GmbHInventors: Georg Markowz, Jürgen Erwin Lang, Rüdiger Schütte
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Publication number: 20110129398Abstract: The present invention relates to a component for producing vacuum insulation systems, comprising at least one insulation layer which is surrounded by a casing, wherein the gas pressure in the insulation layer can be reduced by means provided in the component, wherein the means for reducing the gas pressure is embodified as activatable. The present invention further describes a vacuum insulation system comprising a component according to the invention.Type: ApplicationFiled: July 9, 2009Publication date: June 2, 2011Applicant: EVONIK DEGUSSA GmbHInventors: Georg Markowz, Thorsten Schultz, Juri Tschernjaew, Farid Usmanov, Wojciech Pisula, Ruediger Schuette
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Publication number: 20100300132Abstract: The present invention relates to a fibre assembly comprising high-performance polymeric fibres and bonding fibres, the fibre assembly comprising at least 70% by weight of high-performance polymeric fibres and at most 30% by weight of bonding fibres, the fibre assembly having a layered arrangement of the fibres and at least some of the fibres being bonded together by points of contact obtainable by softening of the bonding fibres. The present invention further describes an insulation system comprising a fibre assembly of the invention.Type: ApplicationFiled: August 15, 2008Publication date: December 2, 2010Applicant: EVONIK DEGUSSA GmbHInventors: Thorsten Schultz, Herbert Griesser, Georg Markowz, Ruediger Schuette, Hans-Peter Ebert, Matthias Geisler, Johannes Wachtel
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Patent number: 7722740Abstract: A modular construction micro-reactor with parallel microchannels on fluid guide plates for chemical reactions, but not for evaporation purposes is known. A modular construction falling film evaporator is disclosed, comprising a stack of alternate gap-like evaporation chambers and sheet-like evaporator modules with an assembly of parallel microchannels, whereby the evaporation chambers are open above and/or below across the whole width of the module and the stack is arranged in a container. The falling film evaporator is used in a method for obtaining a gaseous phase from a liquid medium on a technical scale and is suitable for the concentration of thermolabile solutions and rapidly adjustable production of a gas stream.Type: GrantFiled: October 14, 2003Date of Patent: May 25, 2010Assignees: UHDE GmbH, Degussa AGInventors: Elias Klemm, Johannes Albrecht, Armin Lange de Oliveira, Georg Markowz, Stefan Gross, Ruediger Schuette, Johannes Ehrlich, Steffen Schirrmeister, Olaf von Morstein