Patents by Inventor Gotz-Peter Schindler
Gotz-Peter Schindler 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: 20080293980Abstract: The present invention relates to a method for producing an aromatic hydrocarbon from a C1-C4-alkane, or a mixture of C1-C4-alkanes, which comprises a) bringing a feedstock stream A which comprises a C1-C4-alkane, or a mixture of C1-C4-alkanes, into contact with a catalyst and reacting a part of the C1-C4-alkane, or a part of the mixture of the C1-C4-alkanes, to form aromatic hydrocarbon(s); b) fractionating the product stream B resulting from step a) into a low-boiler stream C which comprises the majority of the hydrogen and of the unreacted C1-C4-alkane, or of the mixture of C1-C4-alkanes, and a high-boiler stream D, or a plurality of high-boiler streams D?, which stream or streams comprises or comprise the majority of the aromatic hydrocarbon formed; and c) feeding the low-boiler stream C to a further C1-C4-alkane-consuming method, if appropriate the hydrogen present in the low-boiler stream C being separated off in advance.Type: ApplicationFiled: October 30, 2006Publication date: November 27, 2008Inventors: Frank Kiesslich, Sven Crone, Otto Machhammer, Frederik van Laar, Ekkehard Schwab, Gotz-Peter Schindler
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Publication number: 20080275266Abstract: A process is described for hydrocyanating 1,3-butadiene over at least one nickel(0) complex having phosphorus ligands as a catalyst, wherein the 1,3-butadiene is used in a mixture with n-butane and the mixture contains from 60 to 90% by volume of 1,3-butadiene and from 40 to 10% by volume of n-butane.Type: ApplicationFiled: January 27, 2005Publication date: November 6, 2008Applicant: BASF AKTIENGESELLSCHAFTInventors: Michael Bartsch, Robert Baumann, Gerd Haderlein, Gotz-Peter Schindler, Tim Jungkamp, Hermann Luyken, Jens Scheidel, Andreas Brodhagen
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Publication number: 20080269536Abstract: The invention relates to a process for preparing propene from propane, comprising the steps: A) a feed gas stream a comprising propane is provided; B) the feed gas stream a comprising propane, if appropriate steam and if appropriate and an oxygenous gas stream are fed into a dehydrogenation zone and propane is subjected to a dehydrogenation to propene to obtain a product gas stream b comprising propane, propene, methane, ethane, ethene, nitrogen, carbon monoxide, carbon dioxide, steam, if appropriate hydrogen and if appropriate oxygen; C) the product gas stream b is cooled, if appropriate compressed and steam is removed by condensation to obtain a steam-depleted product gas stream c; D) uncondensable or low-boiling gas constituents are removed by contacting the product gas stream c with an inert absorbent and subsequently desorbing the gases dissolved in the inert absorbent to obtain a C3 hydrocarbon stream d1 and an offgas stream d2 comprising methane, ethane, ethene, nitrogen, carbon monoxide, carbon dioxidType: ApplicationFiled: March 3, 2006Publication date: October 30, 2008Applicant: BASF AktiengesellschaftInventors: Sven Crone, Otto Machhammer, Götz-Peter Schindler, Frieder Borgmeier
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Publication number: 20080262281Abstract: A catalyst for the oxidation of hydrogen in a process for the dehydrogenation of hydrocarbons, wherein the catalyst comprises, supported on ?-aluminum oxide, from 0.01 to 0.1% by weight of platinum and from 0.01 to 0.1% by weight of tin, based on the total weight of the catalyst, a process for the oxidation of hydrogen and a process for the dehydrogenation of hydrocarbons with an integrated oxidation process using the catalyst described.Type: ApplicationFiled: March 22, 2005Publication date: October 23, 2008Applicant: BASF AktiengesellschaftInventors: Christian Walsdorff, Falk Simon, Gerald Vorberg, Gotz-Peter Schindler, Michael Hesse
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Patent number: 7435860Abstract: A process for preparing butadiene, comprising nonoxidatively dehydrogenating n-butane from a stream (a) in a first dehydrogenation zone to obtain stream (b) comprising 1-butene and 2-butene; oxidatively dehydrogenating the 1-butene and 2-butene of (b) in the presence of an oxygenous gas in a second dehydrogenation zone to obtain stream (c) comprising n-butane, butadiene, hydrogen, carbon dioxide, and steam; compressing and cooling (c) to obtain stream (d2) comprising n-butane, butadiene, hydrogen, carbon dioxide, and steam; extractively distilling (d2) into stream (e1) comprising butadiene and stream (e2) comprising n-butane, hydrogen, carbon dioxide, and steam; compressing and cooling (e2) to obtain stream (f1) comprising n-butane and water and stream (f2) comprising n-butane, hydrogen, and carbon dioxide; cooling (f2) to obtain stream (g1) comprising n-butane and stream (g2) comprising carbon dioxide and hydrogen; phase separating water from (f1) to obtain stream (h1) comprising n-butane; and recycling (h1)Type: GrantFiled: December 7, 2005Date of Patent: October 14, 2008Assignee: BASF SEInventors: Sven Crone, Catharina Klanner, Götz-Peter Schindler, Mark Duda, Frieder Borgmeier
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Publication number: 20080221374Abstract: A process for preparing propene from propane, comprising the steps: A) a feed gas stream a comprising propane is provided; B) the fed gas stream a comprising propane, if appropriate steam and, if appropriate, an oxygenous gas stream are fed into a dehydrogenation zone and propane is subjected to a dehydrogenation to propene to obtain a product gas stream b comprising propane, propene, methane, ethane, ethene, carbon monoxide, carbon dioxide, steam, if appropriate hydrogen and, if appropriate, oxygen; C) product gas stream b is cooled, if appropriate condensed and steam is removed by condensation to obtain a steam-depleted product gas stream c; D) product gas stream c is contacted in a first absorption zone with a selective, inert absorbent which selectively absorbs propene to obtain an absorbent stream d1 laden substantially with propene and a gas stream d2 comprising propane, methane, ethane, ethene, carbon monoxide, carbon dioxide and hydrogen; E) if appropriate, the absorbent stream d1 is decompressed tType: ApplicationFiled: January 4, 2006Publication date: September 11, 2008Applicant: BASF AktiengesellschaftInventors: Sven Crone, Otto Machhammer, Gotz-Peter Schindler, Frieder Borgmeier
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Publication number: 20080207975Abstract: The invention relates to a process for preparing propene from propane, comprising the steps: A) a feed gas stream a comprising propane is provided; B) the feed gas stream a comprising propane and an oxygenous gas stream are fed into a dehydrogenation zone and propane is subjected to a nonoxidative catalytic, autothermal dehydrogenation to propene to obtain a product gas stream b comprising propane, propene, methane, ethane, ethene, nitrogen, carbon monoxide, carbon dioxide, steam and hydrogen; C) product gas stream b is cooled and steam is removed by condensation to obtain a steam-depleted product gas stream c; D) uncondensable or low-boiling gas constituents are removed by contacting product gas stream c with an inert absorbent and subsequently desorbing the gases dissolved in the inert absorbent to obtain a C3 hydrocarbon stream d1 and an offgas stream d2 comprising methane, ethane, ethene, nitrogen, carbon monoxide, carbon dioxide and hydrogen; E) the C3 hydrocarbon stream d1 is cooled and compressed to obType: ApplicationFiled: December 20, 2005Publication date: August 28, 2008Applicant: BASF AKTIENGESELLSCHAFTInventors: Sven Crone, Otto Machhammer, Gotz-Peter Schindler
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Patent number: 7417173Abstract: Processes for producing butadiene from n-butane comprising: (a) providing a feed gas stream comprising n-butane; (b) non-oxidatively dehydrogenating the feed gas stream in the presence of a catalyst in a first dehydrogenation zone to form a first intermediate gas stream comprising n-butane, 1-butene, 2-butene, butadiene and hydrogen; (c) oxidatively dehydrogenating the first intermediate gas stream in the presence of an oxygenous gas having an oxygen content of at least 75% by volume in a second dehydrogenation zone to form a second intermediate gas stream comprising n-butane, butadiene, hydrogen, carbon dioxide and steam; (d) compressing and cooling the second intermediate gas to form a first condensate stream comprising water and a third intermediate gas stream comprising n-butane, butadiene, hydrogen, carbon dioxide and steam; (e) compressing and cooling the third intermediate gas to form a second condensate stream comprising n-butane, butadiene and water and a fourth intermediate gas stream comprising n-bType: GrantFiled: November 11, 2005Date of Patent: August 26, 2008Assignee: BASF AktiengesellschaftInventors: Sven Crone, Catharina Klanner, Götz-Peter Schindler, Mark Duda, Frieder Borgmeier
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Publication number: 20080188695Abstract: A process for regenerating a catalyst bed deactivated in the course of a heterogeneously catalyzed partial dehydrogenation of a hydrocarbon, in which a gas comprising molecular oxygen is conducted at elevated temperature through the deactivated catalyst bed and, in the course of the regeneration, the content of molecular oxygen in the regeneration gas is increased repeatedly and the increase in the carbon oxide content of the regeneration gas as it flows through the deactivated catalyst bed is restricted to values of ?5% by volume.Type: ApplicationFiled: February 4, 2008Publication date: August 7, 2008Applicant: BASF SEInventors: Martin DIETERLE, Gotz-Peter Schindler, Catharina Horstmann, Klaus Joachim Muller-Engel
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Publication number: 20080183024Abstract: A process for preparing butadiene from n-butane, comprising the steps of A) providing a feed gas stream a comprising n-butane; B) feeding the feed gas stream a comprising n-butane into at least one first dehydrogenation zone and nonoxidatively catalytically dehydrogenating n-butane to obtain a product gas stream b comprising n-butane, 1-butene, 2-butene, butadiene, hydrogen and low-boiling secondary constituents, with or without carbon oxides and with or without steam; C) feeding the product gas stream b of the nonoxidative catalytic dehydrogenation and an oxygenous gas into at least one second dehydrogenation zone and oxidatively dehydrogenating n-butane, 1-butene and 2-butene to obtain a product gas stream c comprising n-butane, 2-butene, butadiene, low-boiling secondary constituents, carbon oxides and steam, said product gas stream c having a higher content of butadiene than product gas stream b; D) removing the low-boiling secondary constituents and steam to obtain a C4 product gas stream d substantiallyType: ApplicationFiled: January 16, 2006Publication date: July 31, 2008Applicant: BASF AktiengesellschaftInventors: Catharina Klanner, Gotz-Peter Schindler, Sven Crone, Frieder Borgmeier, Mark Duda, Falk Simon
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Publication number: 20080167484Abstract: The present invention relates to a process for producing propylene oxide comprising (I) reacting propene with hydrogen peroxide in the presence of a catalyst to give a mixture (GI) comprising propylene oxide, unreacted propene, and oxygen; (II) separating propylene oxide from mixture (GI) to give a mixture (GII) comprising propene and oxygen; (III) reducing the oxygen comprised in mixture (GII) at least partially by reaction with hydrogen in the presence of a catalyst comprising Sn and at least one noble metal.Type: ApplicationFiled: June 20, 2006Publication date: July 10, 2008Applicants: BASF Aktiengesellschaft, The Dow Chemical CompanyInventors: Gotz-Peter Schindler, Christian Walsdorff, Reinhard Korner, Hans-Georg Gobbel
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Patent number: 7396956Abstract: A process for stably operating a continuous preparation process for obtaining acrolein or acrylic acid or a mixture thereof from propane, in which the feed rate of fresh propane to the process is utilized as a correcting element for stable steady-state operation.Type: GrantFiled: November 1, 2006Date of Patent: July 8, 2008Assignee: BASF AktiengesellschaftInventors: Martin Dieterle, Götz-Peter Schindler, Catharina Klanner
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Publication number: 20080119680Abstract: A process for preparing butadiene from n-butane, comprising the steps of A) providing a feed gas stream a comprising n-butane; B) feeding the feed gas stream a comprising n-butane into at least one first dehydrogenation zone and nonoxidatively, catalytically dehydrogenating n-butane to obtain a gas stream b comprising n-butane, 1-butene, 2-butene, butadiene and hydrogen, with or without steam, with or without carbon oxides and with or without inert gases; C) feeding the gas stream b and an oxygenous gas into at least one second dehydrogenation zone and oxidatively dehydrogenating 1-butene and 2-butene to obtain a gas stream c comprising n-butane, butadiene, hydrogen, steam, with or without carbon oxides and with or without inert gases; D) compressing in at least one first compression stage and cooling the gas stream c to obtain at least one condensate stream d1 comprising water and a gas stream d2 comprising n-butane, butadiene, hydrogen and steam, with or without carbon oxides and with or without inert gaseType: ApplicationFiled: December 19, 2005Publication date: May 22, 2008Applicant: Basf AktiengesellschaftInventors: Sven Crone, Catharina Klanner, Gotz-Peter Schindler, Mark Duda, Frieder Borgmeier
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Publication number: 20080097133Abstract: A process for preparing butadiene from n-butane, comprising the steps of A) providing a feed gas stream a comprising n-butane; B) feeding the feed gas stream a comprising n-butane into at least one first dehydrogenation zone and nonoxidatively, catalytically dehydrogenating n-butane to obtain a gas stream b comprising n-butane, 1-butene, 2-butene, butadiene and hydrogen, with or without carbon dioxide and with or without steam; C) feeding the gas stream b and an oxygenous gas into at least one second dehydrogenation zone and oxidatively dehydrogenating 1-butene and 2-butene to obtain a gas stream c comprising n-butane, butadiene, hydrogen, carbon dioxide and steam, D) compressing in at least one first compression stage and cooling the gas stream c to obtain at least one condensate stream d1 comprising water and a gas stream d2 comprising n-butane, butadiene, hydrogen, carbon dioxide and steam, E) separating the gas stream d2 by extractive distillation into a product stream e1 consisting substantially of butType: ApplicationFiled: December 7, 2005Publication date: April 24, 2008Applicant: BASF Aktiengesellschaft Patents, Trademarks and LicensesInventors: Sven Crone, Catharina Klanner, Gotz-Peter Schindler, Mark Duda, Frieder Borgmeier
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Publication number: 20080045685Abstract: A process for long-term operation of a continuous heterogeneously catalyzed partial dehydrogenation of a hydrocarbon to be dehydrogenated, in which a reaction gas mixture stream comprising the hydrocarbon to be dehydrogenated in a molar starting amount KW is conducted through an overall catalyst bed comprising the total amount M of dehydrogenation catalyst and the deactivation of the overall catalyst bed is counteracted in such a way that, with increasing operating time, the contribution to the conversion in the first third of the total amount M of dehydrogenation catalyst in flow direction decreases, the contribution to the conversion in the last third of the total amount M of dehydrogenation catalyst in flow direction increases, and the contribution to the conversion in the second third of the total amount M of dehydrogenation catalyst in flow direction passes through a maximum.Type: ApplicationFiled: July 27, 2007Publication date: February 21, 2008Applicant: BASF AktiengesellschaftInventors: Martin DIETERLE, Catharina Klanner, Gotz-Peter Schindler, Klaus Muller-Engel, Jens Scheidel, Christoph Adami
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Patent number: 7326802Abstract: In a process for preparing at least one partial oxidation and/or ammoxidation product of propylene, the propylene is obtained from crude propane by dehydrogenating and subjected in the presence of unconverted propane as a constituent of a gas mixture 2 which comprises a total C4-hydrocarbon content of ?3% by volume to a heterogeneously catalyzed gas phase partial oxidation and/or partial gas phase ammoxidation.Type: GrantFiled: June 20, 2003Date of Patent: February 5, 2008Assignee: BASF AktiengesellschaftInventors: Claus Hechler, Götz-Peter Schindler, Jochen Petzoldt, Christoph Adami, Otto Machhammer, Klaus Joachim Müller-Engel, Hans Martan
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Publication number: 20070299278Abstract: A process for continuous heterogeneously catalyzed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated in a reactor which is manufactured from a composite material which consists, on its side in contact with the reaction chamber, of a steel B with specific elemental composition which, on its side facing away from the reaction chamber, either directly or via an intermediate layer of copper, or of nickel, or of copper and nickel, is plated onto a steel A with specific elemental composition, and also partial oxidations of the dehydrogenated hydrocarbon and the reactor itself.Type: ApplicationFiled: June 25, 2007Publication date: December 27, 2007Applicant: BASF AktiengesellschaftInventors: Claus HECHLER, Wilhelm Ruppel, Gotz-Peter Schindler, Catharina Klanner, Hans-Jurgen Bassler, Martin Dieterle, Karl-Heinrich Klappert, Klaus Joachim Muller-Engel
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Patent number: 7285685Abstract: Process for preparing alpha, beta-unsaturated acyclic or cyclic carbonyl compounds by dehydrogenation of the corresponding saturated carbonyl compounds in the gas phase over a heterogeneous dehydrogenation catalyst comprising platinum and/or palladium and tin on an oxidic support.Type: GrantFiled: July 22, 2004Date of Patent: October 23, 2007Assignee: BASF AktiengesellschaftInventors: Christian Walsdorff, Beatrice Rössler, Götz-Peter Schindler, Joaquim H. Teles, Klaus Harth
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Publication number: 20070244349Abstract: Processes for producing butadiene from n-butane comprising: (a) providing a feed gas stream comprising n-butane; (b) non-oxidatively dehydrogenating the feed gas stream in the presence of a catalyst in a first dehydrogenation zone to form a first intermediate gas stream comprising n-butane, 1-butene, 2-butene, butadiene and hydrogen; (c) oxidatively dehydrogenating the first intermediate gas stream in the presence of an oxygenous gas having an oxygen content of at least 75% by volume in a second dehydrogenation zone to form a second intermediate gas stream comprising n-butane, butadiene, hydrogen, carbon dioxide and steam; (d) compressing and cooling the second intermediate gas to form a first condensate stream comprising water and a third intermediate gas stream comprising n-butane, butadiene, hydrogen, carbon dioxide and steam; (e) compressing and cooling the third intermediate gas to form a second condensate stream comprising n-butane, butadiene and water and a fourth intermediate gas stream comprising n-bType: ApplicationFiled: November 11, 2005Publication date: October 18, 2007Applicant: BASF AktiengesellschaftInventors: Sven Crone, Catharina Klanner, Gotz-Peter Schindler, Mark Duda, Frieder Borgmeier
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Publication number: 20070179330Abstract: The invention relates to a process for preparing butadiene from n-butane having the steps of A) providing a feed gas stream a comprising n-butane; B) feeding the feed gas stream a comprising n-butane into at least one first dehydrogenation zone and nonoxidatively catalytically dehydrogenating n-butane to obtain a product gas stream b comprising n-butane, 1-butene, 2-butene, butadiene, hydrogen, low-boiling secondary constituents and in some cases steam; C) feeding the product gas stream b of the nonoxidative catalytic dehydrogenation and an oxygenous gas into at least one second dehydrogenation zone and oxidatively dehydrogenating 1-butene and 2-butene to obtain a product gas stream c comprising n-butane, 2-butene, butadiene, hydrogen, low-boiling secondary constituents and steam, said product gas stream c having a higher content of butadiene than the product gas stream b; D) removing hydrogen, the low-boiling secondary constituents and steam to obtain a C4 product gas stream d substantially consisting of n-Type: ApplicationFiled: December 30, 2004Publication date: August 2, 2007Applicant: BASF AktiengesellschaftInventors: Thorsten Johann, Gotz-Peter Schindler, Andreas Brodhagen, Sven Crone, Mark Duda