Patents by Inventor Joerg Sauer
Joerg Sauer 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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Publication number: 20250059111Abstract: The present invention provides a method which includes loading a zeolite catalyst in ammonium form with palladium ions, drying and calcining the palladium ion-laden zeolite catalyst to a proton form, fractionating the proton form of the palladium ion-laden zeolite catalyst into a powder, mixing the powder with an inert material, introducing the mixture into a fixed bed reactor, heating the fixed bed reactor to a reaction temperature and passing an inert gas therethrough, reducing the mixture in a hydrogen stream, passing an inert gas through the fixed bed reactor, introducing a reactant gas feed of hydrogen, an inert gas and dimethyl ether or methanol into the fixed bed reactor to form a product gas mixture, condensing the product gas mixture to a product phase liquid, and separating the product phase liquid into an aqueous and into an organic phase which includes the low-aromatics C5+ hydrocarbons.Type: ApplicationFiled: November 23, 2022Publication date: February 20, 2025Applicant: KARLSRUHER INSTITUT FUER TECHNOLOGIEInventors: BENJAMIN NIETHAMMER, ULRICH ARNOLD, JOERG SAUER
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Patent number: 10521332Abstract: A method for parametrization of a simulation model includes: composing the simulation model based on placement of elementary blocks and line connectors between the elementary blocks; adding a first marker block containing a first digital identifier to a first subsystem in the simulation model; adding a second marker block containing a second digital identifier to a second subsystem in the simulation model; analyzing the simulation model; listing parameters of the simulation model in a hierarchical tree and displaying the hierarchical tree on a screen to facilitate altering the parameters of the simulation model via the hierarchical tree; and determining whether to list the first subsystem and the second subsystem in a common node of the hierarchical tree or in separate nodes of the hierarchical tree based on whether or not the first digital identifier and the second digital identifier are identical.Type: GrantFiled: September 28, 2018Date of Patent: December 31, 2019Assignee: DSPACE DIGITAL SIGNAL PROCESSING AND CONTROL ENGINEERING GMBHInventor: Joerg Sauer
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Publication number: 20140286848Abstract: The invention relates to a process for producing hydrogen-containing chlorosilanes by reducing Si-based deposits of solid material during the operation of a pressurised reactor comprising one or more reaction spaces, wherein at least one organochlorosilane is reacted with hydrogen in at least one of these reaction spaces for at least some of the time, characterized in that at least one of the optionally two or more reaction spaces in which this reaction takes place is supplied with additional HCl for at least some of the time. The additional HCl is preferably produced by hydrodehalogenation of silicon tetrachloride with hydrogen in at least one of the optionally two or more reaction spaces of the reactor.Type: ApplicationFiled: January 27, 2012Publication date: September 25, 2014Applicant: Evonik Degussa GmbHInventors: Yücel Önal, Guido Stochniol, Jörg Sauer, Ingo Pauli, Norbert Schladerbeck
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Patent number: 8741253Abstract: Process for preparing higher hydridosilanes of the general formula H—(SiH2)n—H where n?2, in which—one or more lower hydridosilanes—hydrogen, and—one or more transition metal compounds comprising elements of transition group VIII of the Periodic Table and the lanthanides are reacted at a pressure of more than 5 bar absolute, subsequently depressurized and the higher hydridosilanes are separated off from the reaction mixture obtained.Type: GrantFiled: May 25, 2009Date of Patent: June 3, 2014Assignee: Evonik Degussa GmbHInventors: Nicole Brausch, Andre Ebbers, Guido Stochniol, Martin Trocha, Yücel Önal, Jörg Sauer, Bernhard Stützel, Dorit Wolf, Harald Stüger
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Publication number: 20130224098Abstract: The invention relates to a method for converting silicon tetrachloride by means of hydrogen to form trichlorosilane in a modified hydrodechlorination reactor. The invention further relates to a the use of such a modified hydrodechlorination reactor as an integrated component of a system for producing trichlorosilane from metallurgical silicon.Type: ApplicationFiled: July 13, 2011Publication date: August 29, 2013Applicant: Evonik Degussa GmbHInventors: Günter Latoschinski, Yücel Önal, Jörg Sauer, Guido Stochniol, Ingo Pauli
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Patent number: 8258249Abstract: The present invention relates to superabsorbent polymer comprising acrylic acid made by the process comprising the steps of heating an aqueous glycerine solution to form glycerine; transporting the glycerine to the dehydration reactor; dehydrating the glycerine to an acrolein-comprising dehydration product; gas phase oxidating of the acrolein-comprising dehydration product to obtain an acrylic acid-comprising monomer gas; bringing into contact of the monomer gas with a quench agent to obtain an acrylic acid-comprising quench phase; working-up the quench phase to obtain an acrylic acid-comprising monomer phase; and polymerizing the acrylic acid-comprising monomer phase; wherein a plurality of gas bubbles is generated and wherein the dehydration occurs at least partially in the liquid phase. The superabsorbent polymer has certain properties for biodegradability and sustainability. Further, at least about 25% of the acrylic acid is based on glycerine.Type: GrantFiled: February 17, 2011Date of Patent: September 4, 2012Assignee: Evonik Stockhausen GmbHInventors: Günther Bub, Jürgen Mosler, Franz-Felix Kuppinger, Andreas Sabbagh, Guido Stochniol, Jörg Sauer, Markus Winterberg, Udo Knippenberg, Günter Latoschinski, Franck Furno, Thorsten Schwärtzke, Jörg Leistner
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Patent number: 8039646Abstract: The present invention relates to a process for preparing glycidyloxy-alkylalkoxysilanes of the general formula (I) (R?)O—CnH2nSi(R?)m(OR)3-m(I) in which R and R? groups are each independently linear or branched alkyl groups having from 1 to 4 carbon atoms, n is 1, 2, 3, 4, 5, 6, 7 or 8 and m is 0, 1, 2 or 3, and R? is an H2C(O)CH— or H2C(O)CHCH2— group, by reacting (i) a functionalized alkene of the general formula (II) (R?)O—CnH2n-1(II) in which R? is an H2C(O)CH— or H2C(O)CHCH2— group and n is 1, 2, 3, 4, 5, 6, 7 or 8 with (ii) at least one hydroalkoxy-silane of the general formula (III) HSi(R?)m(OR)3-m (III) in which R and R? groups are each independently linear or branched alkyl groups having from 1 to 4 carbon atoms and m is 0, 1, 2 or 3, in the presence (iii) of at least one homogeneous catalyst, (iv) of at least one solvent and/or of a diluent and (v) of at least one promoter.Type: GrantFiled: December 20, 2007Date of Patent: October 18, 2011Assignee: Evonik Degussa GmbHInventors: Stefan Bade, Beate Seliger, Norbert Schladerbeck, Joerg Sauer
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Publication number: 20110189072Abstract: Process for preparing higher hydridosilanes of the general formula H—(SiH2)n—H where n?2, in which—one or more lower hydridosilanes—hydrogen, and—one or more transition metal compounds comprising elements of transition group VIII of the Periodic Table and the lanthanides are reacted at a pressure of more than 5 bar absolute, subsequently depressurized and the higher hydridosilanes are separated off from the reaction mixture obtained.Type: ApplicationFiled: May 25, 2009Publication date: August 4, 2011Applicant: Evonik Degussa GmbHInventors: Nicole Brausch, Andre Ebbers, Guido Stochniol, Martin Trocha, Yücel Önal, Jörg Sauer, Bernhard Stützel, Dorit Wolf, Harald Stüger
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Publication number: 20110144294Abstract: The present invention relates to a process for production of acrylic acid, comprising at least the following steps: a. dehydration of glycerine to an acrolein-comprising dehydration product; b. gas phase oxidation of the dehydration product to obtain an acrylic acid-comprising monomer gas; c. bringing into contact of the monomer gas with a quench agent to obtain an acrylic acid-comprising quench phase; d. work-up of the quench phase to obtain an acrylic acid-comprising monomer phase; whereby, during the dehydration a liquid phase a1 and a gas phase a2 is present, whereby in the liquid phase a1 a plurality of gas bubbles is generated, as well as a process for production of polymers by polymerization of acrylic acid, preferably for production of water-absorbing polymers, the water-absorbing polymers obtainable by this process, a composite, a process for production of a composite, the composite obtainable by this process, and further chemical products.Type: ApplicationFiled: February 17, 2011Publication date: June 16, 2011Inventors: Günther Bub, Jürgen Mosler, Franz-Felix Kuppinger, Andreas Sabbagh, Guido Stochniol, Jörg Sauer, Markus Winterberg, Udo Knippenberg, Günter Latoschinski, Franck Furno, Thorsten Schwärtzke, Jörg Leistner
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Patent number: 7939597Abstract: The present invention relates to a process for production of acrylic acid, comprising the steps of a) dehydration of glycerine to an acrolein-comprising dehydration product; b) gas phase oxidation of the dehydration product to obtain an acrylic acid-comprising monomer gas; c) bringing into contact of the monomer gas with a quench agent to obtain an acrylic acid-comprising quench phase; and d) work-up of the quench phase to obtain an acrylic acid-comprising monomer phase; whereby, during the dehydration a liquid phase a1 and a gas phase a2 is present, whereby in the liquid phase a1 a plurality of gas bubbles is generated, as well as a process for production of polymers by polymerization of acrylic acid, preferably for production of water-absorbing polymers, the water-absorbing polymers obtainable by this process, a composite, a process for production of a composite, the composite obtainable by this process, and further chemical products.Type: GrantFiled: August 22, 2007Date of Patent: May 10, 2011Assignee: Evonik Stockhausen GmbHInventors: Günther Bub, Jürgen Mosler, Franz-Felix Kuppinger, Andreas Sabbagh, Guido Stochniol, Jörg Sauer, Markus Winterberg, Udo Knippenberg, Günter Latoschinski, Franck Furno, Thorsten Schwärtzke, Jörg Leistner
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Publication number: 20100036146Abstract: The present invention relates to a process for preparing glycidyloxy-alkylalkoxysilanes of the general formula (I) (R?)O—CnH2nSi(R?)m(OR)3-m (I) in which R and R? groups are each independently linear or branched alkyl groups having from 1 to 4 carbon atoms, n is 1, 2, 3, 4, 5, 6, 7 or 8 and m is 0, 1, 2 or 3, and R? is an H2C(O)CH— or H2C(O)CHCH2— group, by reacting (i) a functionalized alkene of the general formula (II) (R?)O—CnH2n-1(II) in which R? is an H2C(O)CH— or H2C(O)CHCH2— group and n is 1, 2, 3, 4, 5, 6, 7 or 8 with (ii) at least one hydroalkoxy-silane of the general formula (III) HSi(R?)m(OR)3-m (III) in which R and R? groups are each independently linear or branched alkyl groups having from 1 to 4 carbon atoms and m is 0, 1, 2 or 3, in the presence (iii) of at least one homogeneous catalyst, (iv) of at least one solvent and/or of a diluent and (v) of at least one promoter.Type: ApplicationFiled: December 20, 2007Publication date: February 11, 2010Applicant: Evonik Degussa GmbHInventors: Stefan Bade, Beate Seliger, Norbert Schladerbeck, Joerg Sauer
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Patent number: 7632967Abstract: Raney copper which is doped with at least one metal from the group comprising iron and/or noble metals is used as a catalyst in the dehydrogenation of alcohols.Type: GrantFiled: June 1, 2007Date of Patent: December 15, 2009Assignee: Degussa AGInventors: Daniel Ostgard, Jörg Sauer, Andreas Freund, Monika Berweiler, Matthias Höpp, Rudolf Vanheertum, Walther Girke
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Publication number: 20090239995Abstract: The present invention relates to a process for production of acrylic acid, comprising the steps of a) dehydration of glycerine to an acrolein-comprising dehydration product; b) gas phase oxidation of the dehydration product to obtain an acrylic acid-comprising monomer gas; c) bringing into contact of the monomer gas with a quench agent to obtain an acrylic acid-comprising quench phase; and d) work-up of the quench phase to obtain an acrylic acid-comprising monomer phase; whereby, during the dehydration a liquid phase a1 and a gas phase a2 is present, whereby in the liquid phase a1 a plurality of gas bubbles is generated, as well as a process for production of polymers by polymerisation of acrylic acid, preferably for production of water-absorbing polymers, the water-absorbing polymers obtainable by this process, a composite, a process for production of a composite, the composite obtainable by this process, and further chemical products.Type: ApplicationFiled: August 22, 2007Publication date: September 24, 2009Inventors: Günther Bub, Jürgen Mosler, Franz-Felix Kuppinger, Andreas Sabbagh, Guido Stochniol, Jörg Sauer, Markus Winterberg, Udo Knippenberg, Günter Latoschinski, Franck Furno
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Patent number: 7002050Abstract: The present invention relates to a process for preparing tert-butanol (TBA) by reacting an isobutene-containing hydrocarbon mixture with water over a solid acid catalyst in a reactor cascade, wherein at least one reactor is supplied alternately with two different isobutene-containing hydrocarbon mixtures, of which one has both a higher tert-butanol content and a higher water content than the other mixture.Type: GrantFiled: March 24, 2005Date of Patent: February 21, 2006Assignee: Oxeno Olefinchemie GmbHInventors: Silvia Santiago Fernandez, Jörg Sauer, Guido Stochniol, Dietrich Maschmeyer, Wilfried Büschken, Klaus-Diether Wiese
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Patent number: 6617465Abstract: A process for the catalytic epoxidation of olefins by means of hydrogen peroxide and a titanium zeolite catalyst, wherein the epoxidation reaction is carried out in a reaction system through which the reaction mixture flows continuously and the regeneration of deactivated catalyst is carried out by means of hydrogen peroxide in the presence of the olefin while continuing the epoxidation reaction.Type: GrantFiled: January 8, 2002Date of Patent: September 9, 2003Assignee: Degussa AGInventors: George Thiele, Willi Hofen, Jörg Sauer, Thomas Haas
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Patent number: 6600055Abstract: A process for the catalytic epoxidation of olefins with hydrogen peroxide in a continuous flow reaction system, wherein the reaction mixture is passed through a fixed catalyst bed within a reactor equipped with cooling means while maintaining a temperature profile within the reactor such that the cooling medium temperature of the cooling means is at least 40° C. and the maximum temperature within the catalyst bed is 60° C. at most.Type: GrantFiled: June 13, 2002Date of Patent: July 29, 2003Assignees: Degussa AG, Uhde GmbHInventors: Thomas Haas, Willi Hofen, Jörg Sauer, Georg Thiele
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Patent number: 6596881Abstract: A process for the catalytic epoxidation of olefins with hydrogen peroxide in a continuous flow reaction system, wherein the reaction mixture is passed through a fixed catalyst bed in down-flow operation mode and the reaction heat is at least partially removed during the course of the reaction.Type: GrantFiled: June 13, 2002Date of Patent: July 22, 2003Assignees: Degussa AG, Uhde GmbHInventors: Thomas Haas, Willi Hofen, Georg Thiele, Jörg Sauer
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Patent number: 6447744Abstract: In carrying out the hydrogenation stage of the anthraquinone process for the preparation of hydrogen peroxide in a hydrogenation reactor on a fixed bed catalyst of a particulate catalyst, the service life of the catalyst is increased in that the working solution comprising the reaction carrier and a gas phase comprising hydrogen, are passed through the hydrogenation reactor from the bottom upwards. The empty tube speed of the working solution is 0.05 to 100 m/h, preferably 10 to 50 m/h.Type: GrantFiled: November 6, 2000Date of Patent: September 10, 2002Assignee: Degussa-Huls AGInventors: Thomas Haas, Jürgen Glenneberg, Rudolf Wagner, Matthias Creutz, Jörg Sauer, Rudolf Vanheertum
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Patent number: 6441255Abstract: Carrier-bound ruthenium catalysts are used to produce alcohols by the catalytic hydrogenation of aldehydes and ketones. The problem of deactivation of the catalyst is solved by the use of a ruthenium catalyst on an oxide carrier of the series TiO2, SiO2, ZrO2, MgO, mixed oxides thereof and silicates thereof. In particular, Ru on TiO2 or SiO2 results in a long service life of the catalyst.Type: GrantFiled: September 27, 1999Date of Patent: August 27, 2002Assignee: Degussa -Huls AGInventors: Thomas Haas, Bernd Jaeger, Jörg Sauer, Rudolf Vanheertum
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Patent number: 6337300Abstract: A shaped metal fixed-bed catalyst is disclosed which contains at least one catalyst alloy formed of a catalyst metal and an extractable alloying component. The catalyst is activated in an outer layer with a thickness of 0.1 to 2.0 mm starting from the surface by complete or partial extraction of the extractable alloying component. The catalyst may also contain promoters. The catalyst is distinguished from known catalyst in that it is formed exclusively of the catalyst alloy and has a total pore volume of 0.1 to 0.6 ml/g. The catalyst is used for hydrogenation, dehydrogenation and hydrogenolysis reactions.Type: GrantFiled: May 19, 1998Date of Patent: January 8, 2002Assignee: Degussa AGInventors: Jörg Sauer, Thomas Haas, Bruno Keller, Andreas Freund, Werner Burkhardt, Dietrich Michelchen, Monika Berweiler