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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Publication number: 20200086306Abstract: A process for preparing a molding comprising zinc and a titanium-containing zeolitic material having framework type MWW, comprising (i) providing a molding comprising a titanium-containing zeolitic material having framework type MWW; (ii) preparing an aqueous suspension comprising a zinc source and the molding comprising a titanium-containing zeolitic material having framework type MWW prepared in (i); (iii) heating the aqueous suspension prepared in (ii) under autogenous pressure to a temperature of the liquid phase of the aqueous suspension in the range of from 100 to 200° C., obtaining an aqueous suspension comprising a molding comprising zinc and a titanium-containing zeolitic material having framework type MWW; (iv) separating the molding comprising zinc and a titanium-containing zeolitic material having framework type MWW from the liquid phase of the suspension obtained in (iii).Type: ApplicationFiled: January 18, 2018Publication date: March 19, 2020Applicant: BASF SEInventors: Andrei-Nicolae PARVULESCU, Ulrich MUELLER, Hans-Juergen LUETZEL, Joaquim Henrique TELES, Dominic RIEDEL, Daniel URBANCZYK, Ulrike WEGERLE, Markus BEBER, Nicolai Tonio WOERZ, Christian MUELLER
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Publication number: 20200070134Abstract: A process for preparing an extrudable composition comprising a titanium-containing zeo-litic material having framework type MWW, the process comprising providing a titanium-containing zeolitic material having framework type MWW, having a water absorption ca-pacity of at least 11 weight-%, subjecting the titanium-containing zeolitic material having framework type MWW an acid treatment, optionally incorporating zinc in the acid-treated titanium-containing zeolitic material having framework type MWW; preparing a composi-tion comprising the titanium-containing zeolitic material having framework type MWW obtained from (ii) or (iii), a precursor of a silica binder, water, and a kneading agent, wherein the composition does not comprise a polyethylene oxide.Type: ApplicationFiled: December 20, 2017Publication date: March 5, 2020Applicant: BASF SEInventors: Andrei-Nicolae PARVULESCU, Ulrich MUELLER, Hans-Juergen LUETZEL, Georg UHL, Joaquim Henrique TELES, Dominic RIEDEL, Daniel URBANCZYK, Ulrike WEGERLE, Markus WEBER, Nicolai Tonio WOERZ, Christian MUELLER
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Patent number: 10544115Abstract: A continuous process for the preparation of propylene oxide, comprising a start-up stage and normal run stage, wherein the normal run stage comprises (i) continuously providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, a formate salt, water and optionally propane, wherein in the liquid feed stream, the molar amount of the formate salt relative to the molar amount of hydrogen peroxide at a given point of time during the normal run stage is aN(Fo/H2O2); (ii) continuously passing the liquid feed stream provided in (i) into an epoxidation zone comprising a catalyst comprising a titanium zeolite having framework type MWW, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propylene oxide, acetonitrile, water, the formate salt, optionally propene, and optionally propane; (iii) continuously removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, acetoniType: GrantFiled: February 16, 2017Date of Patent: January 28, 2020Assignee: BASF SEInventors: Dominic Riedel, Joaquim Henrique Teles, Heiner Schelling, Ulrike Wegerle, Ulrich Mueller, Andrei-Nicolae Parvulescu, Jochen Mannweiler, Timo Henn, Thomas Luederitz, Nicolai Tonio Woerz, Christian Mueller, Markus Weber, Daniel Urbanczyk
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Patent number: 10544116Abstract: Disclosed herein is a process for purifying propylene oxide, including the steps of: (i) providing a stream S0 containing propylene oxide, acetonitrile, water, and an organic compound containing a carbonyl group —C(?O)—; and (ii) separating propylene oxide from the stream S0 by subjecting the stream S0 to distillation conditions in a distillation column to obtain a gaseous top stream S1c which is enriched in propylene oxide compared to the stream S0, a liquid bottoms stream S1a which is enriched in acetonitrile and water compared to the stream S0, and a side stream S1b containing propylene oxide which is enriched in the carbonyl compound compared to the stream S0.Type: GrantFiled: July 19, 2017Date of Patent: January 28, 2020Assignee: BASF SEInventors: Joaquim Henrique Teles, Marvin Kramp, Christian Mueller, Nicolai Tonio Woerz, Bernd Metzen, Tobias Keller, Dominic Riedel, Markus Weber, Daniel Urbanczyk, Andrei-Nicolae Parvulescu, Ulrike Wegerle, Ulrich Mueller
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Publication number: 20190330171Abstract: A process for preparing ethene oxide comprising providing a liquid feed stream comprising ethene, hydrogen peroxide, and a solvent; passing the liquid feed stream into an epoxidation zone comprising a catalyst comprising a titanium zeolite comprising zinc and having framework type MWW, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising ethene oxide, water, and the solvent; removing an effluent stream from the epoxidation zone, the effluent stream comprising ethene oxide, water and the solvent.Type: ApplicationFiled: July 12, 2017Publication date: October 31, 2019Applicant: BASF SEInventors: Andrei-Nicolae PARVULESCU, Ulrich MUELLER, Joaquim Henrique TELES, Dominic RIEDEL, Markus WEBER, Yan LI
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Publication number: 20190322634Abstract: Disclosed is a process for purifying propylene oxide. A stream S0 containing propylene oxide, acetonitrile, water, and an organic compound containing one or more of acetone and propionaldehyde is provided. Propylene oxide is separated from S0 by subjecting S0 to distillation in a first distillation unit, obtaining a gaseous top stream S1c enriched in propylene oxide, a liquid bottom stream S1a enriched in acetonitrile and water, and a side stream S1b containing propylene oxide and enriched in the carbonyl compound; reacting the carbonyl compound in S1b with an organic compound containing an amino group to obtain a reaction product; separating propylene oxide from the reaction product in a second distillation unit, obtaining a gaseous top stream S3a enriched in propylene oxide and a liquid bottoms stream S3b enriched in the reaction product; and introducing stream S3a into the first distillation unit.Type: ApplicationFiled: July 19, 2017Publication date: October 24, 2019Applicants: BASF SE, Dow Global Technologies LLCInventors: Joaquim Henrique TELES, Marvin KRAMP, Christian MUELLER, Nicolai Tonio WOERZ, Bernd METZEN, Tobias KELLER, Dominic RIEDEL, Heiner SCHELLING, Markus WEBER, Daniel URBANCZYK, Andrei-Nicolae PARVULESCU, Ulrike WEGERLE, Ulrich MUELLER, Meinolf WEIDENBACH, Werner J. WITZI
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Publication number: 20190321811Abstract: Use of an acid-treated titanium-containing zeolitic material having framework type MWW for preparing a composition having a relative plasticity of less than 1.Type: ApplicationFiled: December 20, 2017Publication date: October 24, 2019Applicant: BASF SEInventors: Andrei-Nicolae PARVULESCU, Ulrich MUELLER, Hans-Juergen LUETZEL, Georg UHL, Joaquim Henrique TELES, Dominic RIEDEL, Daniel URBANCZYK, Ulrike WEGERLE, Markus WEBER, Nicolai Tonio WOERZ, Christian MUELLER, Ruediger SCHMITT, Xiana ROMANI FERNANDEZ, Harald WUERZ
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Patent number: 10434503Abstract: 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: GrantFiled: October 22, 2014Date of Patent: October 8, 2019Assignee: 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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Patent number: 10435381Abstract: The present invention is related to a process for preparing propylene oxide, comprising (i) providing a stream comprising propene, hydrogen peroxide or a source of hydrogen peroxide, water, and an organic solvent; (ii) passing the liquid feed stream provided in (i) into an epoxidation zone comprising an epoxidation catalyst comprising a titanium zeolite, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propene, propylene oxide, water, and the organic solvent; (iii) removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, water, organic solvent, and propene; (iv) separating propene from the effluent stream by distillation, comprising (iv.Type: GrantFiled: July 19, 2017Date of Patent: October 8, 2019Assignees: BASF SE, Dow Global Technologies LLCInventors: Joaquim Henrique Teles, Marvin Kramp, Christian Mueller, Nicolai Tonio Woerz, Bernd Metzen, Tobias Keller, Dominic Riedel, Heiner Schelling, Markus Weber, Daniel Urbanczyk, Andrei-Nicolae Parvulescu, Ulrike Wegerle, Ulrich Mueller, Meinolf Weidenbach, Werner J. Witzl, Karsten Luecke
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Publication number: 20190210989Abstract: Disclosed herein is a process for purifying propylene oxide, including the steps of: (i) providing a stream S0 containing propylene oxide, acetonitrile, water, and an organic compound containing a carbonyl group —C(?O)—; and (ii) separating propylene oxide from the stream S0 by subjecting the stream S0 to distillation conditions in a distillation column to obtain a gaseous top stream S1c which is enriched in propylene oxide compared to the stream S0, a liquid bottoms stream S1a which is enriched in acetonitrile and water compared to the stream S0, and a side stream S1b containing propylene oxide which is enriched in the carbonyl compound compared to the stream S0.Type: ApplicationFiled: July 19, 2017Publication date: July 11, 2019Applicant: BASF SEInventors: Joaquim Henrique TELES, Marvin KRAMP, Christian MUELLER, Nicolai Tonio WOERZ, Bernd METZEN, Tobias KELLER, Dominic RIEDEL, Markus WEBER, Daniel URBANCZYK, Andrei-Nicolae PARVULESCU, Ulrike WEGERLE, Ulrich MUELLER
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Patent number: 10316007Abstract: A continuous process for preparing propylene oxide proceeds by (a) reacting propene with hydrogen peroxide in a reaction apparatus in the presence acetonitrile as solvent, obtaining a stream S0 containing propylene oxide, acetonitrile, water, at least one further component B; (b) separating propylene oxide from S0, obtaining stream S1 containing acetonitrile, water and B; (c) dividing S1 into streams S2 and S3; (d) subjects S3 to vapor-liquid fractionation in a first fractionation unit, obtaining vapor fraction stream S4a being depleted, relative to S3, of at least one of B and obtaining liquid bottoms stream S4b, and subjecting at least part of vapor fraction stream S4a to vapor-liquid fractionation in a second fractionation unit, obtaining vapor fraction stream S4c and liquid bottoms stream S4 being depleted, relative to S4a, of at least one of B; (e) recycling at least a portion of S4 to (a).Type: GrantFiled: October 27, 2015Date of Patent: June 11, 2019Assignees: BASF SE, DOW GLOBAL TECHNOLOGIES LLCInventors: Joaquim Henrique Teles, Dominic Riedel, Bianca Seelig, Philip Kampe, Markus Weber, Alexander Schroeder, Andrei-Nicolae Parvulescu, Ulrich Mueller, Daniel Urbanczyk, Meinolf Weidenbach, Werner J. Witzl, Holger Baer
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Publication number: 20190169149Abstract: The present invention is related to a process for preparing propylene oxide, comprising (i) providing a stream comprising propene, hydrogen peroxide or a source of hydrogen peroxide, water, and an organic solvent; (ii) passing the liquid feed stream provided in (i) into an epoxidation zone comprising an epoxidation catalyst comprising a titanium zeolite, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propene, propylene oxide, water, and the organic solvent; (iii) removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, water, organic solvent, and propene; (iv) separating propene from the effluent stream by distillation, comprising (iv.Type: ApplicationFiled: July 19, 2017Publication date: June 6, 2019Applicants: BASF SE, Dow Global Technologies LLCInventors: Joaquim Henrique TELES, Marvin KRAMP, Christian MUELLER, Nicolai Tonio WOERZ, Bernd METZEN, Tobias KELLER, Dominic RIEDEL, Heiner SCHELLING, Markus WEBER, Daniel URBANCZYK, Andrei-Nicolae PARVULESCU, Ulrike WEGERLE, Ulrich MUELLER, Meinolf WEIDENBACH, Werner J. WITZL, Karsten LUECKE
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Patent number: 10300468Abstract: 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: GrantFiled: September 8, 2015Date of Patent: May 28, 2019Assignee: BASF SEInventors: Andrei-Nicolae Parvulescu, Ulrich Mueller, Georg Uhl, Joaquim Henrique Teles, Dominic Riedel
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Publication number: 20190077779Abstract: A continuous process for the preparation of propylene oxide, comprising a start-up stage and normal run stage, wherein the normal run stage comprises (i) continuously providing a liquid feed stream comprising propene, hydrogen peroxide, acetonitrile, a formate salt, water and optionally propane, wherein in the liquid feed stream, the molar amount of the formate salt relative to the molar amount of hydrogen peroxide at a given point of time during the normal run stage is aN(Fo/H2O2); (ii) continuously passing the liquid feed stream provided in (i) into an epoxidation zone comprising a catalyst comprising a titanium zeolite having framework type MWW, and subjecting the liquid feed stream to epoxidation reaction conditions in the epoxidation zone, obtaining a reaction mixture comprising propylene oxide, acetonitrile, water, the formate salt, optionally propene, and optionally propane; (iii) continuously removing an effluent stream from the epoxidation zone, the effluent stream comprising propylene oxide, acetoniType: ApplicationFiled: February 16, 2017Publication date: March 14, 2019Applicant: BASF SEInventors: Dominic RIEDEL, Joaquim Henrique TELES, Heiner SCHELLING, Ulrike WEGERLE, Ulrich MUELLER, Andrei-Nicolae PARVULESCU, Jochen MANNWEILER, Timo HENN, Thomas LUEDERITZ, Nicolai Tonio WOERZ, Christian MUELLER, Markus WEBER, Daniel URBANCZYK
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Patent number: 10227281Abstract: A composition comprising a compound of formula (Va) wherein n is 1 or 2 and wherein m is 1 or 2, with n and m preferably both being 1 or both being 2, more preferably both being 1, and/or, preferably and, a compound of formula, wherein n is 1 or 2 and wherein m is 1 or 2, with n and m preferably both being 1 or both being 2, more preferably both being 1, and wherein at least 90 weight-% of the composition consist of compounds of formula (Va) and formula (Vb).Type: GrantFiled: May 28, 2015Date of Patent: March 12, 2019Assignee: BASF SEInventors: Dominic Riedel, Joaquim Henrique Teles, Thomas Wurm
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Patent number: 10195598Abstract: 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: GrantFiled: February 12, 2016Date of Patent: February 5, 2019Assignees: 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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Patent number: 10053439Abstract: 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: GrantFiled: June 29, 2017Date of Patent: August 21, 2018Assignees: 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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Publication number: 20180230117Abstract: A continuous process for preparing propylene oxide proceeds by (a) reacting propene with hydrogen peroxide in a reaction apparatus in the presence acetonitrile as solvent, obtaining a stream S0 containg propylene oxide, acetonitrile, water, at least one further componen B; (b) separating propylene oxide from S0, obtaining stream S1 containing acetonitrile, water and B; (c) dividing Sa into streams S2 and S3; (d) subjects S3 to vapor-liquid fractionation in a first fractionation unit, obtaining vapor fraction stream S4a being depleted, relative to S3, of at least one of B and obtaining liquid bottoms stream S4b, and subjecting at least part of vapor fraction stream S4a to vapor-liquid fractionation in a second fractionation unit, obtaining vapor fraction stream S4c and liquid bottoms stream S4 being depleted, relative to S4a, of at least one of B; (e) recycling at least a portion of S4 to (a).Type: ApplicationFiled: October 27, 2015Publication date: August 16, 2018Applicants: BASF SE, Dow Global Technologies LLCInventors: Joaquim Henrique TELES, Dominic RIEDEL, Bianca SEELIG, Philip KAMPE, Markus WEBER, Alexander SCHROEDER, Andrei-Nicolae PARVULESCU, Ulrich MUELLER, Daniel URBANCZYK, Meinolf WEIDENBACH, Werner WITZL, Holger BAER
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Publication number: 20180215694Abstract: A composition comprising a compound of formula (Va) wherein n is 1 or 2 and wherein m is 1 or 2, with n and m preferably both being 1 or both being 2, more preferably both being 1, and/or, preferably and, a compound of formula, wherein n is 1 or 2 and wherein m is 1 or 2, with n and m preferably both being 1 or both being 2, more preferably both being 1, and wherein at least 90 weight-% of the composition consist of compounds of formula (Va) and formula (Vb).Type: ApplicationFiled: May 28, 2015Publication date: August 2, 2018Applicant: BASF SEInventors: Dominic RIEDEL, Joaquim Henrique TELES, Thomas WURM
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Patent number: 10029244Abstract: A process for the preparation of a titanium-containing zeolitic material having an MWW framework structure, the process comprising (i) providing a zeolitic material having an MWW framework structure comprising SiO2 and B2O3, (ii) incorporating titanium into the zeolitic material provided in (i) comprising (ii.I) preparing an aqueous synthesis mixture containing the zeolitic material provided in (i), an MWW template compound and a titanium source, (ii.2) hydrothermally synthesizing a titanium-containing zeolitic material having an MWW framework structure from the aqueous synthesis mixture prepared in (ii.1), obtaining a mother liquor comprising the titanium-containing zeolitic material having an MWW framework structure; (iii) spray-drying the mother liquor obtained from (ii.2) comprising the titanium-containing zeolitic material having an MWW framework structure.Type: GrantFiled: February 5, 2014Date of Patent: July 24, 2018Assignee: BASF SEInventors: Andrei-Nicolae Parvulescu, Ulrich Mueller, Hans-Juergen Luetzel, Georg Uhl, Robert Bayer, Regina Vogelsang, Joaquim Henrique Teles, Dominic Riedel, Daniel Urbanczyk, Ulrike Wegerle