Patents by Inventor Dominic RIEDEL
Dominic RIEDEL 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: 9987624Abstract: A process for preparing a tin-containing zeolitic material having an MWW-type framework structure comprising providing a zeolitic material having an MWW-type framework structure having vacant tetrahedral framework sites, providing a tin-ion source in solid form, and incorporating tin into the zeolitic material via solid-state ion exchange.Type: GrantFiled: November 5, 2014Date of Patent: June 5, 2018Assignee: BASF SEInventors: Andrei-Nicolae Parvulescu, Ulrich Müller, Georg Uhl, Joaquim H. Teles, Nicolas Vautravers, Dominic Riedel
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Patent number: 9988268Abstract: The present invention relates to novel anthraquinone derivatives, 2,6-diisohexylanthracene-9,10-dione and 2,7-diisohexyl-anthracene-9,10-dione, preferably to be used for the preparation of hydrogen peroxide, and to a process for the preparation of these anthraquinone derivatives.Type: GrantFiled: May 28, 2015Date of Patent: June 5, 2018Assignee: BASF SEInventors: Dominic Riedel, Joaquim Henrique Teles, Thomas Wurm
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Patent number: 9943838Abstract: The present invention relates to a process for the regeneration of a catalyst comprising a titanium-containing zeolite, said catalyst having been used in a process for the preparation of an olefin oxide and having phosphate deposited thereon, said process for the regeneration comprising the steps: (a) separating the reaction mixture from the catalyst, (b) washing the catalyst obtained from (a) with liquid aqueous system; (c) optionally drying the catalyst obtained from (b) in a gas stream comprising an inert gas at a temperature of less than 300° C.; (d) calcining the catalyst obtained from (c) in a gas stream comprising oxygen at a temperature of at least 300° C.Type: GrantFiled: July 16, 2014Date of Patent: April 17, 2018Assignees: BASF SE, Dow Global Technologies LLCInventors: Andrei-Nicolae Parvulescu, Ulrich Mueller, Joaquim Henrique Teles, Bianca Seelig, Philip Kampe, Markus Weber, Peter Resch, Christian Bartosch, Dominic Riedel, Daniel Urbanczyk, Alexander Schroeder, Ulrike Wegerle
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Publication number: 20180036723Abstract: The invention relates to process for the regeneration of a catalyst comprising a titanium containing zeolite as catalytically active material comprising a stage comprising introducing a feed stream comprising propene, hydrogen peroxide or a hydrogen peroxide source, and an organic solvent into a reactor containing a catalyst comprising the titanium containing zeolite, subjecting the feed stream in the reactor to epoxidation conditions in the presence of the catalyst, removing a product steam comprising propylene oxide and the organic solvent from the reactor, stopping introducing the feed stream, washing the catalyst with a liquid aqueous system and calcining the washed catalyst.Type: ApplicationFiled: February 12, 2016Publication date: February 8, 2018Applicants: BASF SE, Dow Global Technologies LLCInventors: Dominic RIEDEL, Joaquim Henrique TELES, Daniel URBANCZYK, Ulrike WEGERLE, Luise SPISKE, Andrei-Nicolae PARVULESCU, Alexander SCHROEDER, Ulrich MUELLER, Meinolf WEIDENBACH, Werner J. WITZL
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Publication number: 20170298034Abstract: A catalytic system containing a titanium zeolite of structure type MWW optionally containing zinc and containing at least one of an inorganic potassium salt and an organic potassium salt is provided. The catalyst system is useful in the preparation of propylene oxide.Type: ApplicationFiled: June 29, 2017Publication date: October 19, 2017Applicants: BASF SE, DOW Global Technologies LLCInventors: Dominic RIEDEL, Joaquim Henrique TELES, Ulrike WEGERLE, Andrei-Nicolae PARVULESCU, Alexander SCHROEDER, Luise SPISKE, Daniel URBANCZYK, Ulrich MUELLER, Werner WITZL, Meinolf Weidenbach
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Patent number: 9793577Abstract: The present invention relates to an electrolyte composition (A) containing (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) at least one compound of formula (I) and (iv) optionally at least one further additive.Type: GrantFiled: July 14, 2014Date of Patent: October 17, 2017Assignee: BASF SEInventors: Marta Porta Garcia, Frederick Francoìs Chesneau, Michael Schmidt, Dominic Riedel, Denis Schroeder, Joaquim Henrique Teles, Arnd Garsuch, Stefan Herzog, Axel Kirste
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Publication number: 20170283352Abstract: A method of preparing a compound of formula (IV) where R1 is alkyl of 1 to 4 carbon atoms, comprises reacting cyclohexene with hydrogen peroxide and an alcohol R1OH in the presence of a catalyst comprising a zeolite of framework structure MWW, wherein the framework of the zeolite comprises silicon, titanium, boron, oxygen and hydrogen.Type: ApplicationFiled: September 8, 2015Publication date: October 5, 2017Inventors: Thomas FENLON, Sumana CHATURVEDULA, Dominic RIEDEL, Stefan RÜDENAUER, Ralf PELZER, Pepa DIMITROVA, Florina Corina PATCAS, Manuel DANZ
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Publication number: 20170275225Abstract: A method of preparing 2-alkoxycyclohexanol, a mixture comprising 2-alkoxycyclohexanol obtained via said method, and the use of said mixture for preparing 4-hydroxy-3-alkoxy-benzaldehyde.Type: ApplicationFiled: September 8, 2015Publication date: September 28, 2017Inventors: Dominic Riedel, Joaquim Henrique TELES, Andrei-Nicolae PARVULESCU, Stefan RÜDENAUER, Thomas FENLON
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Publication number: 20170246620Abstract: A process for the preparation of a zeolitic material having an MWW framework structure and comprising boron and titanium, the process comprising (i) providing an aqueous synthesis mixture comprising a silica source, a boron source, a titanium source, and an MWW templating agent; (ii) heating the aqueous synthesis mixture to a temperature in the range of from 160 to 190° C.; (iii) subjecting the synthesis mixture (ii) to hydrothermal synthesis conditions, obtaining, in its mother liquor, a precursor of the zeolitic material; (iv) separating the precursor from its mother liquor; (v) calcining the separated precursor, obtaining the zeolitic material having an MWW framework structure and comprising boron and titanium.Type: ApplicationFiled: September 8, 2015Publication date: August 31, 2017Applicant: BASF SEInventors: Andrei-Nicolae PARVULESCU, Ulrich MUELLER, Georg UHL, Joaquim Henrique TELES, Dominic RIEDEL
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Patent number: 9738616Abstract: A continuous process for the preparation of propylene oxide, comprising (i) providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, water, optionally propane, and at least one dissolved potassium salt; (ii) passing the feed stream provided in (i) into an epoxidation reactor comprising a catalyst comprising a titanium zeolite of structure type MWW, and subjecting the feed stream to epoxidation reaction conditions in the epoxidation reactor, obtaining a reaction mixture comprising propylene oxide, acetonitrile, water, the at least one potassium salt, optionally propene, and optionally pane; (iii) removing an effluent stream from the epoxidation reactor, the effluent stream comprising propylene oxide, acetonitrile, water, at least a portion of the at least one potassium salt, optionally propene, and optionally propane.Type: GrantFiled: July 16, 2014Date of Patent: August 22, 2017Assignees: BASF SE, Dow Global Technologies LLCInventors: Dominic Riedel, Joaquim Henrique Teles, Ulrike Wegerle, Andrei-Nicolae Parvulescu, Alexander Schroeder, Luise Spiske, Daniel Urbanczyk, Ulrich Mueller, Werner Witzl, Meinolf Weidenbach
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Patent number: 9732054Abstract: A continuous process for the preparation of propylene oxide, comprising (a) reacting propene, optionally admixed with propane, with hydrogen peroxide in a reaction apparatus in the presence of acetonitrile as solvent, obtaining a stream S0 containing propylene oxide, acetonitrile, water, at least one further component B, optionally propene and optionally propane, wherein the normal boiling point of the at least one component B is higher than the normal boiling point of acetonitrile and wherein the decadic logarithm of the octanol-water partition coefficient (log Kow) of the at least one component B is greater than zero; (b) separating propylene oxide from S0, obtaining a stream S1 containing acetonitrile, water and the at least one further component B; (c) dividing S1 into two streams S2 and S3; (d) subjecting S3 to a vapor-liquid fractionation in a fractionation unit, obtaining a vapor fraction stream S4 being depleted of the at least one component B; (e) recycling at least a portion of S4, optionally afterType: GrantFiled: August 24, 2016Date of Patent: August 15, 2017Assignees: BASF SE, Dow Global Technologies LLCInventors: Joaquim Henrique Teles, Dominic Riedel, Bianca Seelig, Philip Kampe, Daniel Urbanczyk, Markus Weber, Alexander Schroeder, Andrei-Nicolae Parvulescu, Ulrich Mueller, Meinolf Weidenbach, Werner J. Witzl, Holger Baer
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Patent number: 9725428Abstract: A continuous process for the preparation of propylene oxide, comprising (i) providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, water, optionally propane, and at least one dissolved potassium salt of a phosphorus oxyacid wherein the molar ratio of potassium relative to phosphorus in the at least one potassium salt of a phosphorus oxyacid is in the range of from 0.6 to 1.Type: GrantFiled: July 16, 2014Date of Patent: August 8, 2017Assignees: BASF SE, Dow Global Technologies LLCInventors: Joaquim Henrique Teles, Bianca Seelig, Dominic Riedel, Philip Kampe, Daniel Urbanczyk, Markus Weber, Ulrich Mueller, Andrei-Nicolae Parvulescu, Kai Gumlich, Peter Bassler, Christian Bartosch, Richard Jacubinas, Meinolf Weidenbach, Werner Witzl
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Publication number: 20170197830Abstract: The present invention relates to novel anthraquinone derivatives, 2,6-diisohexylanthracene-9,10-dione and 2,7-diisohexyl-anthracene-9,10-dione, preferably to be used for the preparation of hydrogen peroxide, and to a process for the preparation of these anthraquinone derivatives.Type: ApplicationFiled: May 28, 2015Publication date: July 13, 2017Applicant: BASF SEInventors: Dominic RIEDEL, Joaquim Henrique TELES, Thomas WURM
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Patent number: 9688648Abstract: A continuous process for the preparation of propylene oxide, comprising (i) providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, water, dissolved potassium dihydrogen phosphate, and optionally propane; (ii) passing the liquid feed stream provided in (i) into an epoxidation reactor comprising a catalyst comprising a titanium zeolite of structure type MWW, and subjecting the liquid feed stream to epoxidation reaction conditions; (iii) removing an effluent stream from the epoxidation reactor; wherein the concentration of the dissolved potassium dihydrogen phosphate in the liquid feed stream is at least 10% of the solubility limit of the potassium dihydrogen phosphate in the liquid feed stream.Type: GrantFiled: July 16, 2014Date of Patent: June 27, 2017Assignees: BASF SE, Dow Global Technologies LLCInventors: Joaquim Henrique Teles, Bianca Seelig, Dominic Riedel, Philip Kampe, Daniel Urbanczyk, Markus Weber, Ulrich Mueller, Andrei-Nicolae Parvulescu, Alexander Schroeder, Meinolf Weidenbach, Werner Witzl
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Patent number: 9640839Abstract: The present invention relates to an electrolyte composition (A) containing (i) at least one aprotic organic solvent; (ii) at least one conducting salt; (iii) at least one compound of formula (I) and (iv) optionally at least one further additive.Type: GrantFiled: July 11, 2014Date of Patent: May 2, 2017Assignee: BASF SEInventors: Marta Porta Garcia, Frederick Francois Chesneau, Michael Schmidt, Dominic Riedel, Denis Schroeder, Joaquim Henrique Teles, Arnd Garsuch, Stefan Herzog, Axel Kirste, Patrick Krieg, Christian Karcher, Nicolas Vautravers, Stefano Meini
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Publication number: 20160362387Abstract: A continuous process for the preparation of propylene oxide, comprising (a) reacting propene, optionally admixed with propane, with hydrogen peroxide in a reaction apparatus in the presence of acetonitrile as solvent, obtaining a stream S0 containing propylene oxide, acetonitrile, water, at least one further component B, optionally propene and optionally propane, wherein the normal boiling point of the at least one component B is higher than the normal boiling point of acetonitrile and wherein the decadic logarithm of the octanol-water partition coefficient (log Kow) of the at least one component B is greater than zero; (b) separating propylene oxide from S0, obtaining a stream S1 containing acetonitrile, water and the at least one further component B; (c) dividing S1 into two streams S2 and S3; (d) subjecting S3 to a vapor-liquid fractionation in a fractionation unit, obtaining a vapor fraction stream S4 being depleted of the at least one component B; (e) recycling at least a portion of S4, optionally afterType: ApplicationFiled: August 24, 2016Publication date: December 15, 2016Applicants: BASF SE, DOW GLOBAL TECHNOLOGIES LLCInventors: Joaquim H. Teles, Dominic Riedel, Bianca Seelig, Philip Kampe, Daniel Urbanczyk, Markus Weber, Alexander Schroeder, Andrei-Nicolae Parvulescu, Ulrich Mueller, Meinolf Weidenbach, Werner Witzl, Holger Baer
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Publication number: 20160332152Abstract: The present invention relates to a process for the regeneration of a catalyst comprising a titanium-containing zeolite, said catalyst having been used in a process for the preparation of an olefin oxide and having phosphate deposited thereon, said process for the regeneration comprising the steps: (a) separating the reaction mixture from the catalyst, (b) washing the catalyst obtained from (a) with liquid aqueous system; (c) optionally drying the catalyst obtained from (b) in a gas stream comprising an inert gas at a temperature of less than 300° C.; (d) calcining the catalyst obtained from (c) in a gas stream comprising oxygen at a temperature of at least 300° C.Type: ApplicationFiled: July 16, 2014Publication date: November 17, 2016Applicants: BASF SE, DOW GLOBAL TECHNOLOGIES LLCInventors: Andrei-Nicolae PARVULESCU, Ulrich MUELLER, Joaquim Henrique TELES, Bianca SEELIG, Philip KAMPE, Markus WEBER, Peter RESCH, Christian BARTOSCH, Dominic RIEDEL, Daniel URBANCZYK, Alexander SCHROEDER, Ulrike WEGERLE
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Publication number: 20160256859Abstract: A process for preparing a tin-containing zeolitic material having an MWW-type framework structure comprising providing a zeolitic material having an MWW-type framework structure having vacant tetrahedral framework sites, providing a tin-ion source in solid form, and incorporating tin into the zeolitic material via solid-state ion exchange.Type: ApplicationFiled: November 5, 2014Publication date: September 8, 2016Inventors: Andrei-Nicolae Parvulescu, Ulrich MÜLLER, Georg UHL, Joaquim TELES, Nicolas VAUTRAVERS, Dominic RIEDEL
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Publication number: 20160250624Abstract: The present invention relates to A process for the production of a molding, comprising (I) providing a zeolitic material; (II) mixing the zeolitic material provided in step (I) with one or more binders; (III) kneading of the mixture obtained in step (II); (IV) molding of the kneaded mixture obtained in step (III) to obtain one or more moldings; (V) drying of the one or more moldings obtained in step (IV); and (VI) calcining of the dried molding obtained in step (V); wherein the zeolitic material provided in step (I) displays a water adsorption ranging from 1 to 15 wt.-% when exposed to a relative humidity of 85%, as well as to a molding obtainable or obtained according to the inventive process in addition to a molding per se and to their respective use.Type: ApplicationFiled: October 22, 2014Publication date: September 1, 2016Applicant: BASF SEInventors: Andrei-Nicolae PARVULESCU, Ulrich MUELLER, Hans-Juergen LUETZEL, Joaquim Henrique TELES, Dominic RIEDEL, Bianca SEELIG, Daniel URBANCZYK, Ulrike WEGERLE, Michael HESSE, Andreas WALCH, Volker BENDIG, Veit STEGMANN, Henning ALTHOEFER, Boris GASPAR, Frank STALLMACH, Anne Kristin PUSCH
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Publication number: 20160185741Abstract: A continuous process for the preparation of propylene oxide, comprising (i) providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, water, dissolved potassium dihydrogen phosphate, and optionally propane; (ii) passing the liquid feed stream provided in (i) into an epoxidation reactor comprising a catalyst comprising a titanium zeolite of structure type MWW, and subjecting the liquid feed stream to epoxidation reaction conditions; (iii) removing an effluent stream from the epoxidation reactor; wherein the concentration of the dissolved potassium dihydrogen phosphate in the liquid feed stream is at least 10% of the solubility limit of the potassium dihydrogen phosphate in the liquid feed stream.Type: ApplicationFiled: July 16, 2014Publication date: June 30, 2016Applicants: BASF SE, DOW GLOBAL TECHNOLOGIES LLCInventors: Joaquim TELES, Bianca SEELIG, Dominic RIEDEL, Philip KAMPE, Daniel URBANCZYK, Markus WEBER, Ulrich MUELLER, Andrei-Nicolae PARVULESCU, Alexander SCHROEDER, Meinolf WEIDENBACH, Werner WITZL