Patents by Inventor Frank-Friedrich Pape
Frank-Friedrich Pape 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: 10267577Abstract: The invention relates to a shell-and-tube apparatus comprising a housing (3) having a bundle (9) of tubes accommodated therein, where the tubes (15) are joined on one side to a first tube plate (11) and on the side opposite the first tube plate (11) to a second tube plate (13), with the first and second tube plates (11, 13) being fastened detachably in the housing (3). The side of the first tube plate (11) opposite the tubes (15) rests against a stop (31) on the housing (3) and is fixed on the stop (31) and the second tube plate (13) is installed with a sealing element (41) in the housing (3). The invention further relates to the use of the shell-and-tube apparatus.Type: GrantFiled: April 9, 2014Date of Patent: April 23, 2019Assignee: BASF SEInventors: Wolfgang Gunkel, Frank-Friedrich Pape, Klaus Fouquet
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Patent number: 9345988Abstract: Apparatus and processes for continuous distillative separation of a mixture comprising one or more alkanolamine(s) are described. The separation is performed in one or more dividing wall column(s) and the alkanolamine or the alkanolamines is/are withdrawn as a side draw stream or side draw streams (side fraction(s)).Type: GrantFiled: October 18, 2013Date of Patent: May 24, 2016Assignee: BASF SEInventors: Willi Schmidt, Gerd Kaibel, Elke Geiβler, Wolfgang Reif, Manfred Julius, Frank-Friedrich Pape
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Publication number: 20160047608Abstract: The invention relates to a shell-and-tube apparatus comprising a housing (3) having a bundle (9) of tubes accommodated therein, where the tubes (15) are joined on one side to a first tube plate (11) and on the side opposite the first tube plate (11) to a second tube plate (13), with the first and second tube plates (11, 13) being fastened detachably in the housing (3). The side of the first tube plate (11) opposite the tubes (15) rests against a stop (31) on the housing (3) and is fixed on the stop (31) and the second tube plate (13) is installed with a sealing element (41) in the housing (3). The invention further relates to the use of the shell-and-tube apparatus.Type: ApplicationFiled: April 9, 2014Publication date: February 18, 2016Inventors: Wolfgang GUNKEL, Frank-Friedrich PAPE, Klaus FOUQUET
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Patent number: 9086191Abstract: A method for reliably avoiding backflow in the transport of a liquid under pressure via a transport pipe (1), in which a shut-off device (2) with differential pressure switching is arranged, into a container (3) which is under pressure and which comprises the liquid to be transported and/or another liquid is proposed, wherein a pressure accumulator (4) which is filled with the liquid to be transported up to a certain level and above the liquid level, in direct contact with the liquid to be transported, with an inert gas is arranged in the transport pipe (1) upstream from the shut-off device (2) in the transport direction, the inert gas being provided in the pressure accumulator (4) under an excess pressure and in an amount relative to the container (3) to be filled which are designed so that, in the case of a drop in the pressure in the transport pipe (1), the inert gas ensures a positive pressure difference in the transport pipe (1) to the container (3) over a period which is at least as long as the reactionType: GrantFiled: June 16, 2009Date of Patent: July 21, 2015Assignee: BASF SEInventors: Franz Borgel, Alfred Krause, Mirko Kreitschmann, Anton Meier, Frank-Friedrich Pape, Wolfgang Reif, Michael Salla
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Patent number: 8791302Abstract: A process for preparing an N,N-dialkylethanolamine of the formula I having high color stability where R1 and R2 are each independently a C1- to C8-alkyl group, by reacting ethylene oxide (EO) with a corresponding dialkylamine (R1R2NH) in the presence of water, wherein the reaction is effected continuously in a reactor, the reaction temperature is in the range from 90 to 180° C. and the residence time (RT) in the reactor is in the range from 1 to 7 min, the reactor output is treated thermally at a temperature in the range from 80 to 160° C. over a period in the range from 20 to 1000 min, and then the N,N-dialkylethanolamine is removed by distillation.Type: GrantFiled: December 16, 2011Date of Patent: July 29, 2014Assignee: BASF SEInventors: Frank-Friedrich Pape, Johann-Peter Melder, Alfred Krause, Roland Bou Chedid, Martin Rudloff
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Patent number: 8734617Abstract: Processes comprising: (a) reacting dimethylamine and ethylene oxide to form a product mixture comprising N,N-dimethylethanolamine and N,N-dimethylaminoethoxyethanol; (b) distilling the product mixture to obtain a bottom fraction comprising N,N-dimethylaminoethoxyethanol; and (c) distilling the bottom fraction to separate at least a portion of the N,N-dimethylaminoethoxyethanol from the bottom fraction; and apparatus for carrying out said processes.Type: GrantFiled: March 15, 2012Date of Patent: May 27, 2014Assignee: BASF SEInventors: Frank-Friedrich Pape, Alfred Krause, Johann-Peter Melder, Bernd Stein, Joachim-Thierry Anders, Frank Haese
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Patent number: 8674140Abstract: Apparatus and processes for continuous distillative separation of a mixture comprising one or more alkanolamine(s), wherein the separation is performed in one or more dividing wall column(s) and the alkanolamine or the alkanolamines is/are withdrawn as a side draw stream or side draw streams (side fraction(s)).Type: GrantFiled: September 16, 2009Date of Patent: March 18, 2014Assignee: BASF SEInventors: Willi Schmidt, Gerd Kaibel, Elke Geiβbler, Wolfgang Reif, Manfred Julius, Frank-Friedrich Pape
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Publication number: 20140061020Abstract: Apparatus and processes for continuous distillative separation of a mixture comprising one or more alkanolamine(s) are described. The separation is performed in one or more dividing wall column(s) and the alkanolamine or the alkanolamines is/are withdrawn as a side draw stream or side draw streams (side fraction(s)).Type: ApplicationFiled: October 18, 2013Publication date: March 6, 2014Applicant: BASF SEInventors: Willi Schmidt, Gerd Kaibel, Elke Geißler, Wolfgang Reif, Manfred Julius, Frank-Friedrich Pape
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Patent number: 8536376Abstract: A method for depleting halide ions from liquid ammonia, which comprises bringing the liquid ammonia into contact with a strongly basic ion exchanger, where the basic structure of the strongly basic ion exchanger is a covalently crosslinked polymer matrix and the content of ammonia in the liquid ammonia is more than 98% by weight.Type: GrantFiled: March 26, 2009Date of Patent: September 17, 2013Assignee: BASF SEInventors: Roland Bou Chedid, Gabriele Iffland, Jürgen Ciprian, Johann-Peter Melder, Frank-Friedrich Pape
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Publication number: 20120264979Abstract: A process for preparing N,N-dimethylaminoethoxyethanol (DMAEE), wherein a) dimethylamine and ethylene oxide are reacted, b) the resulting product mixture of N,N-dimethylethanolamine and DMAEE is separated by distillation to obtain a DMAEE-containing fraction as the bottom stream, and c) DMAEE from the fraction obtained in (b) is removed by distillation.Type: ApplicationFiled: March 15, 2012Publication date: October 18, 2012Applicant: BASF SEInventors: Frank-Friedrich Pape, Alfred Krause, Johann-Peter Melder, Bernd Stein, Joachim-Thierry Anders, Frank Haese
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Publication number: 20120157715Abstract: A process for preparing an N,N-dialkylethanolamine of the formula I having high color stability where R1 and R2 are each independently a C1- to C8-alkyl group, by reacting ethylene oxide (EO) with a corresponding dialkylamine (R1R2NH) in the presence of water, wherein the reaction is effected continuously in a reactor, the reaction temperature is in the range from 90 to 180° C. and the residence time (RT) in the reactor is in the range from 1 to 7 min, the reactor output is treated thermally at a temperature in the range from 80 to 160° C. over a period in the range from 20 to 1000 min, and then the N,N-dialkylethanolamine is removed by distillation.Type: ApplicationFiled: December 16, 2011Publication date: June 21, 2012Applicant: BASF SEInventors: Frank-Friedrich Pape, Johann-Peter Melder, Alfred Krause, Roland Bou Chedid, Martin Rudloff
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Patent number: 8163139Abstract: Processes comprising: providing a mixture comprising monoethylene glycol and diethylenetriamine; and subjecting the mixture to extractive distillation with a diethylenetriamine-selective solvent comprising triethylene glycol to provide a first stream comprising monoethylene glycol and a second stream comprising diethylenetriamine; wherein the first stream is substantially free of diethylenetriamine, and wherein the second stream is substantially free of monoethylene glycol.Type: GrantFiled: February 8, 2007Date of Patent: April 24, 2012Assignee: BASF SEInventors: Karin Pickenäcker, Johann-Peter Melder, Bram Willem Hoffer, Thomas Krug, Gunther van Cauwenberge, Frank-Friedrich Pape
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Publication number: 20110180151Abstract: A method for reliably avoiding backflow in the transport of a liquid under pressure via a transport pipe (1), in which a shut-off device (2) with differential pressure switching is arranged, into a container (3) which is under pressure and which comprises the liquid to be transported and/or another liquid is proposed, wherein a pressure accumulator (4) which is filled with the liquid to be transported up to a certain level and above the liquid level, in direct contact with the liquid to be transported, with an inert gas is arranged in the transport pipe (1) upstream from the shut-off device (2) in the transport direction, the inert gas being provided in the pressure accumulator (4) under an excess pressure and in an amount relative to the container (3) to be filled which are designed so that, in the case of a drop in the pressure in the transport pipe (1), the inert gas ensures a positive pressure difference in the transport pipe (1) to the container (3) over a period which is at least as long as the reactionType: ApplicationFiled: June 16, 2009Publication date: July 28, 2011Applicant: BASF SEInventors: Franz Borgel, Alfred Krause, Mirko Kreitschmann, Anton Meier, Frank-Friedrich Pape, Wolfgang Reif, Michael Salla
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Publication number: 20110168542Abstract: Apparatus and processes for continuous distillative separation of a mixture comprising one or more alkanolamine(s), wherein the separation is performed in one or more dividing wall column(s) and the alkanolamine or the alkanolamines is/are withdrawn as a side draw stream or side draw streams (side fraction(s)).Type: ApplicationFiled: September 16, 2009Publication date: July 14, 2011Applicant: BASF SEInventors: Willi Schmidt, Gerd Kaibel, Elke Geissler, Wolfgang Reif, Manfred Julius, Frank-Friedrich Pape
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Publication number: 20110033361Abstract: The present invention relates to a method for depleting halide ions from liquid ammonia, wherein the liquid ammonia is brought into contact with a strongly basic ion exchanger, where the basic structure of the strongly basic ion exchanger is a covalently crosslinked polymer matrix. Furthermore, the present invention relates to the use of an ammonia obtainable according to the invention as starting material in the production of amines.Type: ApplicationFiled: March 26, 2009Publication date: February 10, 2011Applicant: BASF SEInventors: Roland Bou Chedid, Gabriele Iffland, Jürgen Ciprian, Johann-Peter Melder, Frank-Friedrich Pape
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Patent number: 7767855Abstract: Processes comprising: providing an aromatic alcohol; and reacting the aromatic alcohol with ammonia at a temperature of 80 to 350° C. in the presence of hydrogen and a heterogeneous catalyst to form a crude reaction product comprising a corresponding primary aromatic amine, wherein the heterogeneous catalyst comprises a catalytically active composition which, prior to reduction with hydrogen, comprises 90 to 99.8% by weight of zirconium dioxide (ZrO2), 0.1 to 5.0% by weight of an oxygen-comprising compound of palladium, and 0.1 to 5.0% by weight of an oxygen-comprising compound of platinum.Type: GrantFiled: June 21, 2006Date of Patent: August 3, 2010Assignee: BASF SEInventors: Frank Haese, Joachim Wulff-Doering, Ulrich Koehler, Peter Gaa, Frank-Friedrich Pape, Johann-Peter Melder, Manfred Julius
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Patent number: 7700806Abstract: A process for preparing ethylene amines and ethanolamines by hydrogenative amination of monoethylene glycol and ammonia in the presence of a catalyst, wherein the process is carried out in two process stages in which in the first process stage, the amination is carried out over a hydroamination catalyst to a monoethylene glycol conversion of not more than 40% and in the second process stage, a supported catalyst having an active composition comprising ruthenium and cobalt and no further additional metal of group VIII and also no metal of group IB is used in the form of shaped catalyst bodies which in the case of a spherical shape or rod shape in each case have a diameter of <3 mm, in the case of a pellet shape have a height of <3 mm and in the case of all other geometries in each case have an equivalent diameter L=1/a? of <0.70 mm, is proposed.Type: GrantFiled: February 5, 2007Date of Patent: April 20, 2010Assignee: BASF AktiengesellschaftInventors: Gunther van Cauwenberge, Johann-Peter Melder, Bram Willem Hoffer, Thomas Krug, Karin Pickenäcker, Frank-Friedrich Pape, Ekkehard Schwab
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Patent number: 7635790Abstract: A process for preparing ethylene amines and ethanolamines by hydrogenative amination of monoethylene glycol and ammonia in the presence of a catalyst, wherein a catalyst having an active composition comprising ruthenium and cobalt and no further additional metal of group VIII and also no metal of group IB is used in the form of shaped catalyst bodies which in the case of a spherical shape or rod shape in each case have a diameter of <3 mm, in the case of a pellet shape have a height of <3 mm and in the case of all other geometries in each case have an equivalent diameter L=1/a? of <0.70 mm, where a? is the external surface area per unit volume (mms2/mmp3) and: a ? = Ap Vp where Ap is the external surface area of the shaped catalyst body (mms2) and Vp is the volume of the shaped catalyst body (mmp3), is proposed.Type: GrantFiled: February 8, 2007Date of Patent: December 22, 2009Assignee: BASF SEInventors: Gunther van Cauwenberge, Johann-Peter Melder, Bram Willem Hoffer, Thomas Krug, Karin Pickenäcker, Frank-Friedrich Pape, Ekkehard Schwab
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Publication number: 20090240084Abstract: A process for preparing ethylene amines and ethanolamines by hydrogenative amination of monoethylene glycol and ammonia in the presence of a catalyst, wherein the process is carried out in two process stages in which in the first process stage, the amination is carried out over a hydroamination catalyst to a monoethylene glycol conversion of not more than 40% and in the second process stage, a supported catalyst having an active composition comprising ruthenium and cobalt and no further additional metal of group VIII and also no metal of group IB is used in the form of shaped catalyst bodies which in the case of a spherical shape or rod shape in each case have a diameter of <3 mm, in the case of a pellet shape have a height of <3 mm and in the case of all other geometries in each case have an equivalent diameter L=1/a? of <0.70 mm, is proposed.Type: ApplicationFiled: February 5, 2007Publication date: September 24, 2009Applicant: BASF SEInventors: Gunther van Cauwenberge, Johann-Peter Melder, Bram Willem Hoffer, Thomas Krug, Karin Pickenäcker, Frank-Friedrich Pape, Ekkehard Schwab
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Publication number: 20090223805Abstract: Processes comprising: (a) reacting dimethylamine and ethylene oxide to form a product mixture comprising N,N-dimethylethanolamine and N,N-dimethylaminoethoxyethanol; (b) distilling the product mixture to obtain a bottom fraction comprising N,N-dimethylaminoethoxyethanol; and (c) distilling the bottom fraction to separate at least a portion of the N,N-dimethylaminoethoxyethanol from the bottom fraction; and apparatus for carrying out said processes.Type: ApplicationFiled: March 20, 2007Publication date: September 10, 2009Applicant: BASF AktiengesellschaftInventors: Frank-Friedrich Pape, Alfred Krause, Johann-Peter Melder, Bernd Stein, Joachim-Thierry Anders, Frank Haese