Patents by Inventor Stephan Schunk

Stephan Schunk 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: 20230131205
    Abstract: A process for preparing an aromatic isocyanate by direct carbonylation of a nitro aromatic compound by reacting the nitro aromatic compound with carbon monoxide in the presence of a catalyst, characterized in that the catalyst contains a multi metallic material comprising one or more binary intermetallic phases of the general formula AxBy wherein: A is one or more element selected from Ni, Ru, Rh, Pd, Ir, Pt and Ag, B is one or more element selected from Sn, Sb, Pb, Zn, Ga, In, Ge and As, x is in the range 0.1-10, y in is in the range 0.1-10.
    Type: Application
    Filed: November 3, 2022
    Publication date: April 27, 2023
    Inventors: Sven TITLBACH, Andreas KUSCHEL, Carlos LIZANDARA, Stephan A. SCHUNK, Joerg ROTHER, Juergen BECHTEL, Nedko Stefanov DREBOV, Stefan MAIXNER, Matthias HINRICHS, Mohamed HALABI, Imke Britta MUELLER, Michaela FENYN
  • Publication number: 20230002433
    Abstract: Disclosed herein is a process for depolymerization of lignin including thermally converting an aqueous mixture having a pH of at least 9 including lignin, catalyst and primary alcohol in a non-oxidizing atmosphere at a temperature of at least 280° C.
    Type: Application
    Filed: December 4, 2020
    Publication date: January 5, 2023
    Inventors: Alois Kindler, Jean-Pierre Berkan Lindner, Knut Wittich, Yuliia Romanenko, Stephan A. Schunk
  • Patent number: 11529616
    Abstract: The invention relates to a catalyst system and process for preparing dimethyl ether from synthesis gas as well as the use of the catalyst system in this process.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: December 20, 2022
    Assignee: BASF SE
    Inventors: Sabine Schuster, Ekkehard Schwab, Stefan Altwasser, Harry Kaiser, Stephan A. Schunk, Manuela Gaab
  • Patent number: 11512046
    Abstract: A process for preparing an aromatic isocyanate by direct carbonylation of a nitro aromatic compound by reacting the nitro aromatic compound with carbon monoxide in the presence of a catalyst, characterized in that the catalyst contains a multi metallic material comprising one or more binary intermetallic phases of the general formula AxBy wherein: A is one or more element selected from Ni, Ru, Rh, Pd, Ir, Pt and Ag, B is one or more element selected from Sn, Sb, Pb, Zn, Ga, In, Ge and As, x is in the range 0.1-10, y in is in the range 0.1-10.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: November 29, 2022
    Inventors: Sven Titlbach, Andreas Kuschel, Carlos Lizandara, Stephan A Schunk, Joerg Rother, Juergen Bechtel, Nedko Stefanov Drebov, Stefan Maixner, Matthias Hinrichs, Mohamed Halabi, Imke Britta Mueller, Michaela Fenyn
  • Patent number: 11452995
    Abstract: The invention relates to a catalyst and catalyst layer and process for preparing dimethyl ether from synthesis gas or methanol as well as the use of the catalyst or catalyst layer in this process.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: September 27, 2022
    Assignee: BASF SE
    Inventors: Sabine Schuster, Ekkehard Schwab, Stefan Altwasser, Harry Kaiser, Stephan A. Schunk, Manuela Gaab
  • Publication number: 20220134312
    Abstract: A molding comprising a mixed oxide, wherein the mixed oxide comprises oxygen, lanthanum, aluminum, and cobalt, wherein in the mixed oxide, the weight ratio of cobalt relative to aluminum, calculated as elements, is at least 0.17:1. A preparation method by a dry route. Use of the molding as a catalyst for the reforming of hydrocarbons into a synthesis gas.
    Type: Application
    Filed: January 30, 2020
    Publication date: May 5, 2022
    Inventors: Ekkehard SCHWAB, Marcelo Daniel KAUFMAN RECHULSKI, Stefan DIETRICH, Sandra MAGNUS, Sabine BORCHERS, Stephan A. SCHUNK, Christiane KURETSCHKA, Marie Katrin SCHROETER, Xue LIU, Thorsten JOHANN
  • Publication number: 20210379565
    Abstract: The present invention relates to a process for carrying out a chemical reaction in a chemical reactor, in which at least one starting material, which is an organic chemical compound comprising 1 to 80 carbon atoms, is converted into at least one reaction product in a fluid phase in the presence of a film comprising solid catalyst particles, which catalyze said chemical reaction, and comprising an organic polymer in fibrillated form, wherein the mass fraction of the sum of the starting material and of the reaction product based on the total mass of the fluid phase is in the range from 0.01 to 1.
    Type: Application
    Filed: September 26, 2019
    Publication date: December 9, 2021
    Inventors: Carlos LIZANDARA PUEYO, Lukas WENGELER, Sabine HUBER, Stephan A. SCHUNK, Jaroslaw Michael MORMUL, Dominique MOULIN, Stephan Josef ASCHAUER, Chiara BOSCAGLI, Marcel SCHMITT, Matthias Georg SCHWAB, Michael REISER
  • Publication number: 20210275993
    Abstract: The invention relates to aprocess for producing a catalyst comprising an intermetallic com-pound comprisingmixing of a salt comprising a metal selected from the group consisting of Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Auand Ru, a salt comprising a metal selected from the group consist-ing of Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba,Sc, Y, La and the lanthanides, and a reducing agentcomprising a salt,wherein the mixing is carried out at a temperature where all compo-nents are solid; reacting the mixture obtained to form an intermetallic compound by heating said to a temperature in the range between the melting temperature of thereducing agent and the melting temperature of the intermetallic compound and holdingthe temperaturefor1 minute to 600 minutes; and washing the mixture to removeby-products andremainders of the salt of the cations of the reducing agent and at least one of the anions of the salts used in the first step. The invention further relates to a catalyst obtained by the process.
    Type: Application
    Filed: October 19, 2017
    Publication date: September 9, 2021
    Inventors: Peter LEIDINGER, Sven TITLBACH, Andreas HAAS, Stephan A. SCHUNK, Jacob KANADY
  • Patent number: 11104637
    Abstract: The present invention relates to a process for the conversion of 2-aminoethanol to ethane-1,2-diamine and/or linear polyethylenimines of the formula H2N—[CH2CH2NH]n—CH2CH2NH2 wherein n?1 comprising: (i) providing a catalyst comprising a zeolitic material having the MOR framework structure comprising YO2 and X2O3, wherein Y is a tetravalent element and X is a trivalent element, said zeolitic material containing copper as extra-framework ions; (ii) providing a gas stream comprising 2-aminoethanol and ammonia; (iii) contacting the catalyst provided in (i) with the gas stream provided in (ii) for converting 2-aminoethanol to ethane-1,2-diamine and/or linear polyethylenimines.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: August 31, 2021
    Assignee: BASF SE
    Inventors: Andrei-Nicolae Parvulescu, Alvaro Gordillo, Marie Katrin Schroeter, Johann-Peter Melder, Juergen Bechtel, Thomas Heidemann, Stephan A. Schunk, Ulrich Müller
  • Patent number: 11091425
    Abstract: The present invention relates to a process for the conversion of ethane-1,2-diol to ethane-1,2-diamine and/or linear polyethylenimines of the formula H2N—[CH2CH2NH]n—CH2CH2NH2 wherein n?1 comprising (i) providing a catalyst comprising a zeolitic material comprising YO2 and X2O3, wherein Y is a tetravalent element and X is a trivalent element, wherein the zeolitic material is selected from the group consisting of zeolitic materials having the MOR, FAU, CHA and/or GME framework structure, including combinations of two or more thereof; (ii) providing a gas stream comprising ethane-1,2-diol and ammonia; (iii) contacting the catalyst provided in (i) with the gas stream provided in (ii) for converting ethane-1,2-diol to ethane-1,2-diamine and/or linear polyethylenimines.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: August 17, 2021
    Assignee: BASF SE
    Inventors: Andrei-Nicolae Parvulescu, Alvaro Gordillo, Marie Katrin Schroeter, Johann-Peter Melder, Juergen Bechtel, Thomas Heidemann, Stephan A. Schunk, Ulrich Müller
  • Publication number: 20210138445
    Abstract: A catalyst for converting a synthesis gas, said catalyst comprising a first catalyst component and a second catalyst component, wherein the first catalyst component comprises, supported on a first porous oxidic substrate, Rh, Mn, an alkali metal M and Fe, and wherein the second catalyst component comprises, supported on a second porous oxidic support material, Cu and a transition metal other than Cu.
    Type: Application
    Filed: March 9, 2018
    Publication date: May 13, 2021
    Inventors: Christiane JANKE, Ekkehard SCHWAB, Stephan A. SCHUNK, Ivana JEVTOVIKJ, Harry KAISER, Frank ROSOWSKI, Stefan ALTWASSER, Virginie BETTE
  • Patent number: 10987660
    Abstract: A hexaaluminate-containing catalyst containing a hexaaluminate-containing phase which includes cobalt and at least one further element of La, Ba or Sr. The catalyst contains 2 to 15 mol % Co, 70 to 90 mol % Al, and 2 to 25 mol % of the further element of La, Ba or Sr. In addition to the hexaaluminate-containing phase, the catalyst can include 0 to 50% by weight of an oxidic secondary phase. The process of preparing the catalyst includes contacting an aluminum oxide source with cobalt species and at least with an element from the group of La, Ba and Sr. The molded and dried material is preferably calcined at a temperature greater than or equal to 800° C. In the reforming process for reacting hydrocarbons in the presence of CO2, the catalyst is used at a process temperature of greater than 700° C., with the process pressure being greater than 5 bar.
    Type: Grant
    Filed: December 23, 2013
    Date of Patent: April 27, 2021
    Inventors: Stephan Schunk, Andrian Milanov, Andreas Strasser, Guido Wasserschaff, Thomas Roussiere
  • Patent number: 10982132
    Abstract: Method of fracturing a subterranean formation by injecting an aqueous fracturing fluid comprising an aqueous base fluid, a polysaccharide and/or polysaccharide derivative, a crosslinker, which is a water-soluble, layered silicate and a proppant. Aqueous fracturing fluid comprising an aqueous base fluid, a polysaccharide and/or polysaccharide derivative, a crosslinker, which is a water-soluble, layered silicate and a proppant and to the use of water-soluble, layered silicates as crosslinker for aqueous fracturing fluids comprising polysaccharides and/or polysaccharide derivatives.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: April 20, 2021
    Assignee: BASF SE
    Inventors: Edward Bohres, Radoslaw Kierat, Stephan Schunk, Carlos Lizandara Pueyo, Sven Titlbach, Robert Mueller, Michael Ludwig Lejkowski
  • Publication number: 20210002210
    Abstract: A process for preparing an aromatic isocyanate by direct carbonylation of a nitro aromatic compound by reacting the nitro aromatic compound with carbon monoxide in the presence of a catalyst, characterized in that the catalyst contains a multi metallic material comprising one or more binary intermetallic phases of the general formula AxBy wherein: A is one or more element selected from Ni, Ru, Rh, Pd, Ir, Pt and Ag, B is one or more element selected from Sn, Sb, Pb, Zn, Ga, In, Ge and As, x is in the range 0.1-10, y in is in the range 0.1-10.
    Type: Application
    Filed: April 4, 2018
    Publication date: January 7, 2021
    Applicant: BASF SE
    Inventors: Sven TITLBACH, Andreas KUSCHEL, Carlos LIZANDARA, Stephan A. SCHUNK, Joerg ROTHER, Juergen BECHTEL, Nedko Stefanov DREBOV, Stefan MAIXNER, Matthias HINRICHS, Mohamed HALABI, Imke Britta MUELLER, Michaela FENYN
  • Publication number: 20200368734
    Abstract: The present invention relates to a composition comprising a) a molding comprising a zeolitic material having framework type CHA, wherein the zeolitic material comprises one or more alkaline earth metals M and b) a mixed metal oxide comprising chromium, zinc, and aluminium. It also relates to the use of the composition in a process for producing C2 to C4 olefins from syngas.
    Type: Application
    Filed: August 8, 2018
    Publication date: November 26, 2020
    Inventors: Robert MCGUIRE, Achim WECHSUNG, Christiane KURETSCHKA, Ivana JEVTOVIKJ, Andreas KUSCHEL, Stephan A. SCHUNK
  • Patent number: 10836704
    Abstract: Preparing ethanolamines/ethyleneamines in the presence of an amination catalyst prepared by reducing a calcined catalyst precursor containing one or more metals of groups 8, 9, 10 and/or 11 and low basicity achieved by: a) coprecipitating catalyst precursor and active composition additionally contains alkali metals or alkaline earth metals; b) the catalyst precursor is prepared by impregnating a support material or precipitative application onto a support material containing alkali metals, Be, Ca, Ba, Sr, hydrotalcite, chrysotile or sepiolite; c) the catalyst precursor is prepared by impregnating a support material or precipitative application onto a support material and the active composition of the catalyst support contains one or more of alkali metals and alkaline earth metals; d) the catalyst precursor is calcined at temperatures of 600° C. or more; or e) the catalyst precursor is prepared by a combination of a) and d), b) and d), or c) and d).
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: November 17, 2020
    Assignee: BASF SE
    Inventors: Marie Katrin Schroeter, Alvaro Gordillo, Andrei-Nicolae Parvulescu, Johann-Peter Melder, Carlos Lizandara Pueyo, Juergen Bechtel, Thomas Heidemann, Stephan A. Schunk, Ulrich Mueller
  • Publication number: 20200330965
    Abstract: The invention relates to a catalyst and catalyst layer and process for preparing dimethyl ether from synthesis gas or methanol as well as the use of the catalyst or catalyst layer in this process.
    Type: Application
    Filed: December 20, 2018
    Publication date: October 22, 2020
    Inventors: Sabine SCHUSTER, Ekkehard SCHWAB, Stefan ALTWASSER, Harry KAISER, Stephan A. SCHUNK, Manuela GAAB
  • Publication number: 20200316555
    Abstract: The invention relates to a reactor system for continuous flow reactions that comprises at least two blocks (1, 2), two interlayers (8, 9) and a contact pressure device, and at least one inlet (10) and one outlet (11), wherein the first block (1), the interlayers (8, 9) and the second block (2) form a stacked arrangement fixed by the contact pressure device and, in the reactor system, at least one interlayer comprises a sealing layer (8) and one interlayer comprises channel structure element (9) comprising a reaction channel, wherein the inlet (10) is functionally connected to the inlet side of the reaction channel and the outlet (11) to the outlet side of the reaction channel, and the stacked arrangement is detachable.
    Type: Application
    Filed: December 20, 2018
    Publication date: October 8, 2020
    Inventors: Stephan A. SCHUNK, Jaroslaw Michael MORMUL, Frank GUELLICH, Oliver KOECHEL, Michael DEJMEK
  • Publication number: 20200316570
    Abstract: The invention relates to a catalyst system and process for preparing dimethyl ether from synthesis gas as well as the use of the catalyst system in this process.
    Type: Application
    Filed: December 20, 2018
    Publication date: October 8, 2020
    Inventors: Sabine SCHUSTER, Ekkehard SCHWAB, Stefan ALTWASSER, Harry KAISER, Stephan A. SCHUNK, Manuela GAAB
  • Publication number: 20200317994
    Abstract: Method of fracturing a subterranean formation by injecting an aqueous fracturing fluid comprising an aqueous base fluid, a polysaccharide and/or polysaccharide derivative, a crosslinker, which is a water-soluble, layered silicate and a proppant.
    Type: Application
    Filed: June 14, 2017
    Publication date: October 8, 2020
    Inventors: Edward BOHRES, Radoslaw KIERAT, Stephan SCHUNK, Carlos LIZANDARA PUEYO, Sven TITLBACH, Robert MUELLER, Michael Ludwig LEJKOWSKI