Patents by Inventor Frieder Borgmeier
Frieder Borgmeier 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: 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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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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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: 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: 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: 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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Patent number: 7271279Abstract: The invention relates to a process for preparing unsaturated nitrites from the corresponding alkanes which comprises the steps: a) feeding an alkane into a dehydrogenation zone and catalytically dehydrogenating the alkane to the corresponding alkene to obtain a product gas stream A which comprises the alkene, unconverted alkane and possibly one or more further gas components selected from the group consisting of steam, hydrogen, carbon oxides, hydrocarbons having a lower boiling point than the alkane or the alkene (low-boilers), nitrogen and noble gases, b) at least partially removing further gas components from the product gas stream A to give a feed gas stream B which comprises the alkane and the alkene, c) feeding the feed gas stream B, ammonia, an oxygen-containing gas and, if desired, steam into an oxidation zone and catalytically ammoxidizing the alkene to the corresponding unsaturated nitrile to give a product gas stream C which comprises the unsaturated nitrile, ammoxidation by-products, unconverteType: GrantFiled: June 25, 2002Date of Patent: September 18, 2007Assignee: BASF AktiengesellschaftInventors: Frieder Borgmeier, Frank Rosowski, Goetz-Peter Schindler
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Patent number: 7253310Abstract: A process for preparing (meth)acrylic acid by heterogeneously catalyzed gas phase partial oxidation of a saturated hydrocarbon precursor compound, in which the charging gas mixture contains from 5 to 25% by volume of steam and the molar ratio of molecular oxygen present in the charging gas mixture to saturated hydrocarbon precursor compound present in the charging gas mixture is from 1.5:1 to 2.5:1.Type: GrantFiled: August 18, 2004Date of Patent: August 7, 2007Assignee: BASF AktiengesellschaftInventors: Frieder Borgmeier, Frank Rosowski, Hans-Guenther Lintz, Ina Grisstede, Elisabet Bacells Cabre
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Patent number: 7214822Abstract: A coated catalyst whose coating of active composition is a multimetal oxide comprising the elements Mo, V and Te and/or Sb can be used for the gas-phase catalytic oxidation of propane to acrylic acid.Type: GrantFiled: September 19, 2005Date of Patent: May 8, 2007Assignee: BASF AktiengesellschaftInventors: Frieder Borgmeier, Andreas Tenten, Hartmut Hibst
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Patent number: 7091377Abstract: A multimetal oxide material contains the elements Mo, V and Te and/or Sb and at least one of the elements Nb, Ti, W, Ta and Ce and promoters and has a specific X-ray diffraction pattern. Moreover, such a multimetal oxide material is used as a catalyst for heterogeneously catalyzed gas-phase partial oxidations of hydrocarbons.Type: GrantFiled: October 15, 2003Date of Patent: August 15, 2006Assignee: BASF AktiengesellschaftInventors: Frieder Borgmeier, Martin Dieterle, Hartmut Hibst
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Publication number: 20060177370Abstract: The sequential production of a library of N different solids, in particular heterogeneous catalysts, where N within a day is an integer of at least 2, is performed by a) producing at least two different sprayable solutions, emulsions and/or dispersions of elements and/or element compounds of the chemical elements present in the catalyst and optionally of dispersions of inorganic support materials, b) continuously metering the at least two different solutions, emulsions and/or dispersions in a predefined ratio into a mixing apparatus in which the solutions, emulsions and/or dispersions are homogeneously mixed, c) continuously drying the mixture removed from the mixing apparatus and recovering the dried mixture, d) changing the ratios in step b) and repeating steps b), c) and d) (N-1) times until N different dried mixtures are obtained, e) optionally shaping and optionally calcining the mixtures to give the solids.Type: ApplicationFiled: July 30, 2004Publication date: August 10, 2006Inventors: Hartmut Hibst, Frieder Borgmeier, Martin Dieterle
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Patent number: 7038082Abstract: A process for preparing a multimetal oxide material which contains the elements Mo, V and Te and/or Sb and at least one of the elements Nb, Ti, W, Ta and Ce and if desired promoters and has a specific X-ray diffraction pattern, in which process the last process step comprises washing with acidic liquids. In addition, a multimetal oxide material obtainable in such a way is used as a catalyst for heterogeneously catalyzed gas-phase partial oxidations and/or ammoxidation of hydrocarbons.Type: GrantFiled: August 26, 2003Date of Patent: May 2, 2006Assignee: BASF AktiengesellschaftInventors: Frieder Borgmeier, Klaus Joachim Müller-Engel, Hartmut Hibst, Martin Dieterle
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Patent number: 7038080Abstract: A process for the heterogeneously catalyzed gas-phase partial oxidation of acrolein to acrylic acid over a multimetal oxide material having a specific structure, which contains the elements Mo and V, at least one of the elements Te and Sb and at least one of the elements from the group consisting of Nb, Ta, W and Ti and is doped with promoter elements, is described.Type: GrantFiled: September 23, 2003Date of Patent: May 2, 2006Assignee: BASF AktiengesellschaftInventors: Martin Dieterle, Frieder Borgmeier, Klaus Joachim Mueller-Engel, Hartmut Hibst
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Patent number: 7026506Abstract: In a process for the preparation of acrylic acid by heterogeneously catalyzed gas-phase oxidation of propene with molecular oxygen in a reaction zone, the catalytically active material is a multimetal oxide which contains the elements Mo, V, Te and/or Sb and has a specific structure.Type: GrantFiled: April 12, 2002Date of Patent: April 11, 2006Assignee: BASF AktiengesellschaftInventors: Frieder Borgmeier, Jochen Petzoldt, Hartmut Hibst, Andreas Tenten
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Publication number: 20060074258Abstract: A coated catalyst whose coating of active composition is a multimetal oxide comprising the elements Mo, V and Te and/or Sb can be used for the gas-phase catalytic oxidation of propane to acrylic acid.Type: ApplicationFiled: September 19, 2005Publication date: April 6, 2006Applicant: BASF AktiengesellschaftInventors: Frieder Borgmeier, Andreas Tenten, Hartmut Hibst
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Patent number: 7019169Abstract: A process for preparing (meth)acrylic acid by conducting a saturated hydrocarbon precursor compound through a catalyst bed I whose catalysts I have, as the active composition, a multimetal oxide I which has a specific X-ray diffractogram and contains the elements Mo and V, at least one of the elements Te and Sb, and also at least one of the elements from the group consisting of Nb, Ta, W, Ce and Ti, wherein the catalyst bed I is interrupted by at least one catalyst bed II whose catalysts II have, as the active composition, a multimetal oxide II which contains the elements Mo, Bi and Fe.Type: GrantFiled: September 7, 2004Date of Patent: March 28, 2006Assignee: BASF AktiengesellschaftInventors: Frieder Borgmeier, Frank Rosowski, Hans-Günther Lintz, Ina Grisstede
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Patent number: 7012157Abstract: A process for preparing (meth)acrylic acid, in which a saturated hydrocarbon precursor compound is conducted through a catalyst charge which consists of two spatially successive catalyst beds I, II in the flow direction of the reaction mixture, each of which contains different catalysts and has different reaction-selectivity behavior.Type: GrantFiled: September 7, 2004Date of Patent: March 14, 2006Assignee: BASF AktiengesellschaftInventors: Frieder Borgmeier, Frank Rosowski, Hans Martan, Klaus Joachim Müller-Engel
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Patent number: 7005403Abstract: A coated catalyst whose coating of active composition is a multimetal oxide comprising the elements Mo, V and Te and/or Sb can be used for the gas-phase catalytic oxidation of propane to acrylic acid.Type: GrantFiled: October 16, 2001Date of Patent: February 28, 2006Assignee: BASF AktiengesellschaftInventors: Frieder Borgmeier, Andreas Tenten, Hartmut Hibst