Patents by Inventor Ralf Böhling
Ralf Böhling 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: 11897778Abstract: The present invention relates to a process for the preparation of a zeolitic material, as well as to a catalyst per se as obtainable or obtained according to said process. Furthermore, the present invention relates to the use of the zeolitic material, in particular as a catalyst.Type: GrantFiled: November 22, 2018Date of Patent: February 13, 2024Assignee: BASF SEInventors: Christian Riemann, Andrei-Nicolae Parvulescu, Ralf Boehling, Ulrich Mueller, Hans-Juergen Luetzel, Stefanie Clade, Christoph Schappert
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Patent number: 11623868Abstract: Disclosed herein is a continuous process for preparing zeolitic material with a CHA-type framework structure comprising SiO2 and X2O3 and the zeolitic material so-obtained. The processes comprises (i) preparing a mixture comprising one or more sources of SiO2, one or more sources of X2O3, seed crystals, one or more tetraalkylammonium cation R5R6R7R8N+-containing compounds as structure directing agent, and a liquid solvent system; (ii) continuously feeding the mixture prepared in (i) into a continuous flow reactor at a liquid hourly space velocity; and (iii) crystallizing the zeolitic material with a CHA-type framework structure from the mixture in the continuous flow reactor.Type: GrantFiled: August 2, 2019Date of Patent: April 11, 2023Assignee: BASF SEInventors: Hannah Schreyer, Andrei-Nicolae Parvulescu, Ulrich Mueller, Christian Riemann, Ralf Boehling, Christoph Schappert, Bernd Hinrichsen, Stefan Dumser, Stefanie Clade
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Publication number: 20230028936Abstract: The present invention relates to a specific continuous process for preparing a zeolitic material having a framework structure type selected from the group consisting of MFI, MEL, IMF, SVY, FER, SVR, and intergrowth structures of two or more thereof, preferably an MFI- and/or MEL-type framework structure, comprising Si, Ti, and O, and to a zeolitic material as obtainable and/or obtained according to said process. Further, the present invention relates to a process for preparing a molding, and to a molding obtainable and/or obtained according to said process. Yet further, the present invention relates to a use of said zeolitic material and molding.Type: ApplicationFiled: December 18, 2020Publication date: January 26, 2023Inventors: Hannah SCHREYER, Andrei-Nicolae PARVULESCU, Ulrich MUELLER, Dominic RIEDEL, Jaroslaw Michael MORMUL, Ralf BOEHLING
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Publication number: 20210300772Abstract: Disclosed herein is a continuous process for preparing zeolitic material with a CHA-type framework structure comprising SiO2 and X2O3 and the zeolitic material so-obtained. The processes comprises (i) preparing a mixture comprising one or more sources of SiO2, one or more sources of X2O3, seed crystals, one or more tetraalkylammonium cation R5R6R7R8N+-containing compounds as structure directing agent, and a liquid solvent system; (ii) continuously feeding the mixture prepared in (i) into a continuous flow reactor at a liquid hourly space velocity; and (iii) crystallizing the zeolitic material with a CHA-type framework structure from the mixture in the continuous flow reactor.Type: ApplicationFiled: August 2, 2019Publication date: September 30, 2021Applicant: BASF SEInventors: Hannah SCHREYER, Andrei-Nicolae PARVULESCU, Ulrich MUELLER, Christian RIEMANN, Ralf BOEHLING, Christoph SCHAPPERT, Bernd HINRICHSEN, Stefan DUMSER, Stefanie CLADE
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Patent number: 11091424Abstract: The present invention relates to a method for preparing acetate compounds using ketene.Type: GrantFiled: December 17, 2018Date of Patent: August 17, 2021Assignee: BASF SEInventors: Volker Hickmann, Sumana Roy, Dominik Herbrecht, Michael Acker, Wolfgang Krause, Ralf Boehling, Timon Stork, Stefan Ruedenauer, Ralf Pelzer
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Publication number: 20200308094Abstract: The present invention relates to a method for preparing acetate compounds using ketene.Type: ApplicationFiled: December 17, 2018Publication date: October 1, 2020Inventors: Volker HICKMANN, Sumana ROY, Dominik HERBRECHT, Michael ACKER, Wolfgang KRAUSE, Ralf BOEHLING, Timon STORK, Stefan RUEDENAUER, Ralf PELZER
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Publication number: 20200292213Abstract: The invention relates to a magnetocaloric device, comprising a field generator, arranged to provide a changing external magnetic field and a magnetocaloric regenerator arrangement. The magnetocaloric regenerator arrangement comprises a magnetocaloric element, wherein the magnetocaloric element comprises magnetocaloric material, and wherein the magnetocaloric regenerator arrangement is arranged to be exposed to the changing external magnetic field of the field generator. Furthermore, the invention is characterized in that the magnetocaloric device further comprises an insulating means wherein the insulating means is arranged such that the magnetocaloric regenerator arrangement is hermetically surrounded by the insulating means.Type: ApplicationFiled: March 22, 2017Publication date: September 17, 2020Applicant: BASF SEInventors: Florian SCHARF, Ralf BOEHLING, Markus SCHWIND
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Publication number: 20200283304Abstract: The present invention relates to a process for the preparation of a zeolitic material, as well as to a catalyst per se as obtainable or obtained according to said process. Furthermore, the present invention relates to the use of the zeolitic material, in particular as a catalyst.Type: ApplicationFiled: November 22, 2018Publication date: September 10, 2020Applicant: BASF SEInventors: Christian RIEMANN, Andrei-Nicolae PARVULESCU, Ralf BOEHLING, Ulrich MUELLER, Hans-Juergen LUETZEL, Stefanie CLADE, Christoph SCHAPPERT
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Patent number: 9834798Abstract: A process for preparing sebacic acid by reacting in a first step (i) linoleic acid with water catalyzed by an oleate hydratase to form 10-hydroxy-12-octadecenoic acid, in a second step (ii) pyrolysing the 10-hydroxy-12-octadecenoic acid to 1-octene and 10-oxo-decanoic acid and in a third step (iii) oxidizing the 10-oxo-decanoic acid to sebacic acid.Type: GrantFiled: September 3, 2013Date of Patent: December 5, 2017Assignee: BASF SEInventors: Andrea Piatesi, Kai-Uwe Baldenius, Klaus Ditrich, Alois Kindler, Marta Zajaczkowski-Fischer, Ralf Boehling, Alwin Rehfinger
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Patent number: 9464029Abstract: The invention relates to a process for preparing nitroalkanes by reaction of at least one alkane with at least one nitrating agent in the gas phase, wherein the nitration is carried out in a microstructured reaction zone having parallel channels having hydraulic diameters of less than 2.5 mm and a total specific internal surface area of more than 1600 m2/m3 and the alkane and the nitrating agent are conveyed under a pressure of from 1 bar to 20 bar through the reaction zone and reacted at a temperature of from 150° C. to 650° C. and the reaction products are cooled downstream of the reaction zone and discharged and the at least one nitrating agent is introduced over from two to ten introduction points along the reaction zone.Type: GrantFiled: April 25, 2014Date of Patent: October 11, 2016Assignee: BASF SEInventors: Ralf Boehling, Michael Hayer, Alwin Rehfinger, Michael Schelper, Johann-Peter Melder, Martin Ernst, Joaquim Henrique Teles
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Patent number: 9321656Abstract: Process for preparing an aqueous cobalt sulfate solution having a pH in the range from 5 to 8, wherein (a) metallic cobalt is dissolved in aqueous sulfuric acid in an atmosphere of low-oxygen air, of hydrogen or of inert gas and (b) the resulting acidic cobalt sulfate solution is purified in an ion exchanger.Type: GrantFiled: July 2, 2013Date of Patent: April 26, 2016Assignee: BASF SEInventors: Simon Schroedle, Peter Dransfeld, Gabriele Iffland, Ralf Boehling
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Publication number: 20160052793Abstract: Process for preparing hydrocyanic acid by thermolysis of gaseous formamide in a reactor in the presence of a catalyst, wherein a) the catalyst is (i) an aluminum oxide catalyst which comprises from 90 to 100% by weight, preferably from 99 to 100% by weight, of aluminum oxide as component A, from 0 to 10% by weight, preferably from 0 to 1% by weight, of silicon dioxide as component B and from 0 to not more than 0.1% by weight of iron or iron-comprising compounds as component C, where the total sum of the components A, B and C is 100% by weight, and has (ii) a BET surface area, measured in accordance with DIN ISO 9277: 2003 May, of <1 m2/g and is (iii) heat treated at temperatures of >1400° C. for from 1 to 30 hours, preferably ?1500° C. for from 1 to 30 hours, particularly preferably at from 1500° C. to 1800° C.Type: ApplicationFiled: April 9, 2014Publication date: February 25, 2016Applicant: BASF SEInventors: RALF BÖHLING, Michael SCHIPPER, Jens BERNNAT, Wilhelm WEBER, Peter PETERSEN, Anton NEGELE, Andreas DECKERS
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Patent number: 9249029Abstract: The invention relates to an improved process for vaporizing organic compounds and the further conversion thereof.Type: GrantFiled: January 21, 2011Date of Patent: February 2, 2016Assignee: BASF SEInventors: Ralf Boehling, Michael Schipper, Stefan Birnbach, Peter Petersen, Achim Gritsch, Alois Wellisch, Hermann Luyken, Albert Steiner, Peter Zehner
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Publication number: 20160009565Abstract: Process for preparing hydrocyanic acid by catalytic dehydration of gaseous formamide in at least one main reactor and a downstream after-reactor and also the use of an after-reactor in a process for preparing hydrocyanic acid by catalytic dehydration of gaseous formamide.Type: ApplicationFiled: February 28, 2014Publication date: January 14, 2016Applicant: BASF SEInventors: Ralf BOEHLING, Michael SCHIPPER, Jens BERNNAT, Wilhelm WEBER, Peter PETERSEN
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Publication number: 20150376111Abstract: The invention relates to a process for preparing nitroalkanes by reaction of at least one alkane with at least one nitrating agent in the gas phase, wherein the nitration is carried out in a microstructured reaction zone having parallel channels having hydraulic diameters of less than 2.5 mm and a total specific internal surface area of more than 1600 m2/m3 and the alkane and the nitrating agent are conveyed under a pressure of from 1 bar to 20 bar through the reaction zone and reacted at a temperature of from 150° C. to 650° C. and the reaction products are cooled downstream of the reaction zone and discharged and the at least one nitrating agent is introduced over from two to ten introduction points along the reaction zone.Type: ApplicationFiled: April 25, 2014Publication date: December 31, 2015Applicant: BASF SEInventors: Ralf BOEHLING, Michael HAYER, Alwin REHFINGER, Michael SCHELPER, Johann-Peter MELDER, Martin ERNST, Joaquim Henrique TELES
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Patent number: 9156026Abstract: A process for preparing olefins by reaction of carbon monoxide with hydrogen in the presence of a an iron-comprising heterogeneous catalyst produced by the following steps: thermal decomposition of gaseous iron pentacarbonyl to give carbonyl iron powder having spherical primary particles; treatment of carbonyl iron powder with hydrogen, resulting in the metallic spherical primary particles at least partially forming agglomerates; contacting the agglomerates with iron pentacarbonyl; and thermal decomposition of the iron pentacarbonyl to give at least predominantly pore-free and void-free secondary particles.Type: GrantFiled: March 1, 2013Date of Patent: October 13, 2015Assignee: BASF SEInventors: Jochen Steiner, Kerem Bay, Ekkehard Schwab, Ralf Böhling
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Patent number: 9156802Abstract: Method for producing solutions which comprise 5-hydroxymethylfurfural (HMF) and have a reduced content of starting materials of the HMF synthesis or a reduced content of by-products of the HMF synthesis (hereinbelow called product solution), which comprises treating solutions which comprise HMF starting materials or by-products of the HMF synthesis and an organic solvent having at least two ether groups (for short polyether) (hereinbelow called starting solution) in an evaporator with steam.Type: GrantFiled: December 12, 2012Date of Patent: October 13, 2015Assignee: BASF SEInventors: Ralf Böhling, Benoit Blank, Alois Kindler, Carmen Feldner, Sandra Umlauf
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Publication number: 20150259713Abstract: A process for preparing sebacic acid by reacting in a first step (i) linoleic acid with water catalyzed by an oleate hydratase to form 10-hydroxy-12-octadecenoic acid, in a second step (ii) pyrolysing the 10-hydroxy-12-octadecenoic acid to 1-octene and 10-oxo-decanoic acid and in a third step (iii) oxidizing the 10-oxo-decanoic acid to sebacic acid.Type: ApplicationFiled: September 3, 2013Publication date: September 17, 2015Applicant: BASF SEInventors: Andrea Piatesi, Kai-Uwe Baldenius, Klaus Ditrich, Alois Kindler, Marta Zajaczkowski-Fischer, Ralf Boehling, Alwin Rehfinger
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Patent number: 9120731Abstract: What is proposed is a process for preparing polyether alcohols by conversion of the following reactants: a) one or more alkylene oxides and optionally carbon dioxide and b) one or more H-functional starter substances, in the presence of a catalyst, to form a liquid reaction mixture, in a reaction unit (1), which is characterized in that the reaction unit (1) has internals (2) which form a multitude of microstructured flow channels which bring about multiple splitting of the liquid reaction mixture into component flow paths and recombination thereof in altered arrangement, the multiple splitting and recombination being repeated several times and the microstructured flow channels having a characteristic dimension which is defined as the greatest possible distance of any particle in the liquid reaction mixture from the wall of a flow channel closest to the particle, in the range from 20 to 10 000 ?m, the result being that the flow profile of the liquid reaction mixture approximates to ideal plug flow as a resultType: GrantFiled: August 8, 2011Date of Patent: September 1, 2015Assignee: BASF SEInventors: Achim Loeffler, Michael Stoesser, Wolfgang Loth, Ralf Boehling, Sirus Zarbakhsh
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Publication number: 20150151981Abstract: Process for preparing an aqueous cobalt sulfate solution having a pH in the range from 5 to 8, wherein (a) metallic cobalt is dissolved in aqueous sulfuric acid in an atmosphere of low-oxygen air, of hydrogen or of inert gas and (b) the resulting acidic cobalt sulfate solution is purified in an ion exchanger.Type: ApplicationFiled: July 2, 2013Publication date: June 4, 2015Applicant: BASF SEInventors: Simon Schroedle, Peter Dransfeld, Gabriele Iffland, Ralf Boehling