Patents by Inventor Nicolai Tonio Woerz

Nicolai Tonio Woerz 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).

  • Publication number: 20190322634
    Abstract: 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: Application
    Filed: July 19, 2017
    Publication date: October 24, 2019
    Applicants: BASF SE, Dow Global Technologies LLC
    Inventors: 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
  • Publication number: 20190321811
    Abstract: 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: Application
    Filed: December 20, 2017
    Publication date: October 24, 2019
    Applicant: BASF SE
    Inventors: 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
  • Patent number: 10435381
    Abstract: 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: Grant
    Filed: July 19, 2017
    Date of Patent: October 8, 2019
    Assignees: BASF SE, Dow Global Technologies LLC
    Inventors: 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
  • Publication number: 20190210989
    Abstract: 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: Application
    Filed: July 19, 2017
    Publication date: July 11, 2019
    Applicant: BASF SE
    Inventors: 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
  • Publication number: 20190169149
    Abstract: 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: Application
    Filed: July 19, 2017
    Publication date: June 6, 2019
    Applicants: BASF SE, Dow Global Technologies LLC
    Inventors: 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
  • Patent number: 10252970
    Abstract: The invention relates to a process for dehydrating aqueous 3-hydroxypropionic acid to acrylic acid in the liquid phase, wherein aqueous acrylic acid is removed continuously from the liquid phase and the aqueous 3-hydroxypropionic acid and/or the liquid phase have a high content of oligomeric 3-hydroxypropionic acid.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: April 9, 2019
    Assignee: BASF SE
    Inventors: Tim Blaschke, Ortmund Lang, Nicolai Tonio Wörz, Christian Raith, Marco Hartmann, Marta Zajaczkowski-Fischer
  • Publication number: 20190077779
    Abstract: 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, acetoni
    Type: Application
    Filed: February 16, 2017
    Publication date: March 14, 2019
    Applicant: BASF SE
    Inventors: 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
  • Patent number: 9771314
    Abstract: The invention relates to a process for preparing acrylic acid from formaldehyde and acetic acid, comprising (i) providing a gaseous stream S1 comprising formaldehyde, acetic acid and acrylic acid, where the molar ratio of acrylic acid to the sum total of formaldehyde and acetic acid in stream S1 is in the range from 0.005:1 to 0.3:1; (ii) contacting stream S1 with an aldol condensation catalyst in a reaction zone to obtain a gaseous stream S2 comprising acrylic acid.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: September 26, 2017
    Assignee: BASF SE
    Inventors: Marco Hartmann, Lukas Schulz, Nicolai Tonio Woerz, Yong Liu, Till Christian Brueggemann, Michael Lejkowski, Johannes Lieberknecht
  • Patent number: 9738583
    Abstract: A process for preparing acrylic acid from formaldehyde and acetic acid, is performed by (i) providing a gaseous stream S1 comprising formaldehyde, acetic acid, oxygen and water, where the formaldehyde content of stream S1 is in the range from 8% to 18% by volume, based on the total volume of stream S1, the ratio of the volumes of acetic acid to formaldehyde is in the range from 0.6:1 to 1.1:1, and the molar ratio of oxygen to the total amount of organic carbon is in the range from 0.02:1 to 0.15:1; and (ii) contacting stream S1 with an aldol condensation catalyst in a reaction zone to obtain a gaseous stream S2 containing acrylic acid.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: August 22, 2017
    Assignee: BASF SE
    Inventors: Marco Hartmann, Lukas Schulz, Nicolai Tonio Woerz, Yong Liu, Till Christian Brueggemann, Michael Lejkowski, Johannes Lieberknecht
  • Patent number: 9695099
    Abstract: The present invention relates to a process for preparing acrylic acid from acetic acid and formaldehyde, which comprises (a) provision of a stream S1 comprising acetic acid and formaldehyde, where the molar ratio of acetic acid to formaldehyde in the stream S1 is in the range from 0.5:1 to 2:1; (b) contacting of the stream S1 with an aldol condensation catalyst comprising vanadium, phosphorus and oxygen to give a stream S2 comprising acrylic acid, where, in (b), the space velocity WHSV is in the range from 0.35 to 7.0 kg/kg/h.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: July 4, 2017
    Assignee: BASF SE
    Inventors: Yong Liu, Martin Dieterle, Nicolai Tonio Woerz, Andrei-Nicolae Parvulescu, Michael Lejkowski, Johannes Lieberknecht, Christian Walsdorff, Kazuhiko Amakawa
  • Publication number: 20170128916
    Abstract: An oxidic composition comprising vanadium, tungsten, phosphorus, oxygen and optionally tin, where the molar ratio of phosphorus to the sum total of vanadium, tungsten and any tin in the oxidic composition is in the range from 1.4:1 to 2.4:1.
    Type: Application
    Filed: November 10, 2016
    Publication date: May 11, 2017
    Applicant: BASF SE
    Inventors: Michael LEJKOWSKI, Yong LIU, Marco HARTMANN, Till Christian BRUEGGEMANN, Lukas SCHULZ, Johannes LIEBERKNECHT, Armin LANGE DE OLIVEIRA, Stephan A. SCHUNK, Andrei-Nicolae PARVULESCU, Martin DIETERLE, Nicolai Tonio WOERZ, Rolf TOMPERS, Robert MUELLER
  • Publication number: 20170129840
    Abstract: The invention relates to a process for preparing acrylic acid from formaldehyde and acetic acid, comprising (i) providing a gaseous stream S1 comprising formaldehyde, acetic acid, oxygen and water, where the formaldehyde content of stream S1 is in the range from 8% to 18% by volume, based on the total volume of stream S1, the ratio of the volumes of acetic acid to formaldehyde is in the range from 0.6:1 to 1.1:1, and the molar ratio of oxygen to the total amount of organic carbon is in the range from 0.02:1 to 0.15:1; (ii) contacting stream S1 with an aldol condensation catalyst in a reaction zone to obtain a gaseous stream S2 comprising acrylic acid.
    Type: Application
    Filed: November 10, 2016
    Publication date: May 11, 2017
    Applicant: BASF SE
    Inventors: Marco HARTMANN, Lukas SCHULZ, Nicolai Tonio WOERZ, Yong LIU, Till Christian BRUEGGEMANN, Michael LEJKOWSKI, Johannes LIEBERKNECHT
  • Publication number: 20170129841
    Abstract: The invention relates to a process for preparing acrylic acid from formaldehyde and acetic acid, comprising (i) providing a gaseous stream S1 comprising formaldehyde, acetic acid and acrylic acid, where the molar ratio of acrylic acid to the sum total of formaldehyde and acetic acid in stream S1 is in the range from 0.005:1 to 0.3:1; (ii) contacting stream S1 with an aldol condensation catalyst in a reaction zone to obtain a gaseous stream S2 comprising acrylic acid.
    Type: Application
    Filed: November 10, 2016
    Publication date: May 11, 2017
    Applicant: BASF SE
    Inventors: Marco HARTMANN, Lukas SCHULZ, Nicolai Tonio WOERZ, Yong LIU, Till Christian BRUEGGEMANN, Michael LEJKOWSKI, Johannes LIEBERKNECHT
  • Patent number: 9630900
    Abstract: The invention relates to a process for dehydrating aqueous 3-hydroxypropionic acid to acrylic acid in the liquid phase, wherein aqueous acrylic acid is removed continuously from the liquid phase and the liquid phase comprises an inert organic solvent 1.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: April 25, 2017
    Assignee: BASF SE
    Inventors: Tim Blaschke, Ortmund Lang, Nicolai Tonio Wörz, Christian Raith, Marco Hartmann, Marta Zajaczkowski-Fischer
  • Patent number: 9593065
    Abstract: A process for preparing acrylic acid from methanol and acetic acid, comprising (i) contacting a gaseous stream S0 comprising methanol, oxygen and inert gas with an oxidation catalyst to obtain a gaseous stream S1 comprising formaldehyde and inert gas; (ii) removing at least a portion of the inert gas present in S1 from at least a portion of the formaldehyde present in S1 by absorbing this formaldehyde in an absorbent to obtain a gaseous stream S2 comprising the portion of the inert gas removed, and to obtain a stream S3 comprising absorbent and absorbate comprising formaldehyde; (iii) optionally removing a portion or the entirety of the absorbent present in stream S3, such that a stream S3a remains from stream S3, and producing a stream S4 from at least stream S3 or stream S3a and a stream S5 comprising acetic acid; and (iv) contacting stream S4 in gaseous form with an aldol condensation catalyst to obtain a gaseous stream S6 comprising acrylic acid.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: March 14, 2017
    Assignee: BASF SE
    Inventors: Lukas Schulz, Nicolai Tonio Woerz, Tim Blaschke, Marco Hartmann, Frank Huetten
  • Patent number: 9546123
    Abstract: The present invention relates to a process for preparing acrylic acid from formaldehyde and acetic acid, comprising reacting formaldehyde and acetic acid via an aldol condensation in a reaction unit comprising n reaction zones arranged in series, each comprising an aldol condensation catalyst, where n is at least 2, and wherein at least one stream leaving a reaction zone, before being fed into the reaction zone immediately downstream, is mixed with a stream comprising formaldehyde and optionally comprising acetic acid. The present invention further relates to an apparatus for preparing acrylic acid from formaldehyde and acetic acid and to the use of this apparatus.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: January 17, 2017
    Assignee: BASF SE
    Inventors: Till Christian Brueggemann, Nicolai Tonio Woerz, Astrid Ruppel
  • Patent number: 9540305
    Abstract: A process for preparing acrylic acid, comprising (i) providing a stream S4 comprising a formaldehyde source and acetic acid; (ii) contacting stream S4 with an aldol condensation catalyst comprising a zeolitic material comprising aluminum in the framework structure to obtain a stream S6 comprising acrylic acid, the framework structure of the zeolitic material in (ii) comprising YO2 and Al2O3, and Y being a tetravalent element; where the total content of alkali metal and alkaline earth metal in the zeolitic material in (ii), calculated as alkali metal oxide and alkaline earth metal oxide, is from 0% to 0.1% by weight, based in each case on the total weight of the zeolitic material, and where the aldol condensation catalyst in (ii) comprises, outside the framework structure of the zeolitic material present therein, from 0% to 1% by weight of vanadium, based on vanadium as vanadium(V) oxide.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: January 10, 2017
    Assignee: BASF SE
    Inventors: Andrei-Nicolae Parvulescu, Armin Lange De Oliveira, Stephan A. Schunk, Nicolai Tonio Woerz, Marco Hartmann, Kazuhiko Amakawa, Michael Goebel, Yong Liu, Michael Lejkowski
  • Patent number: 9458080
    Abstract: A process for obtaining acrylic acid, comprising (a) providing a liquid stream S7 comprising acetic acid and acrylic acid, where the molar ratio of acetic acid to acrylic acid in stream S7 is greater than 1:1, (b-1) crystallizing a portion of the acetic acid present in stream S7 to obtain solid crystallized acetic acid in its mother liquor, (b-2) separating the mother liquor from the acetic acid crystallized in (b-1) to obtain the solid crystallized acetic acid and a liquid stream S8 comprising acrylic acid and acetic acid, (c) separating stream S8 into at least one stream S10 depleted of acrylic acid compared to S8 and a stream S11 enriched in acrylic acid compared to S8.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: October 4, 2016
    Assignee: BASF SE
    Inventors: Nicolai Tonio Woerz, Lukas Schulz, Tim Blaschke, Marco Hartmann, Feelly Ruether, Yan Li
  • Patent number: 9446390
    Abstract: The present invention relates to a process for preparing acrylic acid comprising (i) providing a stream comprising a formaldehyde source and acetic acid and (ii) contacting this stream with an aldol condensation catalyst comprising a zeolitic material, wherein the framework structure of the zeolitic material in (ii) includes Si and O, and has a molar Al:Si ratio of 0:1 to 0.001:1, and wherein the framework structure of the zeolitic material in (ii), in addition to Si and any Al, comprises one or more elements selected from the group consisting of tetravalent elements Y other than Si and trivalent elements X other than Al.
    Type: Grant
    Filed: May 28, 2015
    Date of Patent: September 20, 2016
    Assignee: BASF SE
    Inventors: Andrei-Nicolae Parvulescu, Armin Lange De Oliveira, Michael Lejkowski, Nicolai Tonio Woerz, Marco Hartmann, Kazuhiko Amakawa, Michael Goebel, Ulrich Mueller, Mathias Feyen, Yong Liu
  • Publication number: 20160221916
    Abstract: The invention relates to a process for dehydrating aqueous 3-hydroxypropionic acid to acrylic acid in the liquid phase, wherein aqueous acrylic acid is removed continuously from the liquid phase and the aqueous 3-hydroxypropionic acid and/or the liquid phase have a high content of oligomeric 3-hydroxypropionic acid.
    Type: Application
    Filed: August 21, 2014
    Publication date: August 4, 2016
    Applicant: BASF SE
    Inventors: Tim Blaschke, Ortmund Lang, Nicolai Tonio Wörz, Christian Raith, Marco Hartmann, Marta Zajaczkowski-Fischer