Patents by Inventor Hermann Luyken

Hermann Luyken 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).

  • Patent number: 11492324
    Abstract: The present invention relates to a process for purifying ethylenediamine, in which a) a mixture comprising water (H2O), ethylenediamine (EDA) and N-methylethylenediamine (NMEDA) is introduced into a rectification column (NMEDA removal column), where the mixture introduced comprises at least the amount of water as required for the formation of a high-boiling azeotrope of EDA and water at the appropriate bottom temperature; and the EDA-comprising bottom product from the NMEDA removal column is introduced into a second rectification column (EDA dewatering column), wherein the pressure at the top of the EDA dewatering column is adjusted such that the boiling temperature of the mixture obtained at the top is 10° C.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: November 8, 2022
    Assignee: BASF SE
    Inventor: Hermann Luyken
  • Patent number: 11390578
    Abstract: The invention relates to a process for preparing certain amines, wherein, in a first step, a corresponding amino alcohol is reacted with a suitable carbonyl compound and then, in a second step, the intermediate obtained in the first step is reacted with a suitable amine component to form the desired amine.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: July 19, 2022
    Assignee: BASF SE
    Inventors: Martin Ernst, Ansgar Gereon Altenhoff, Hermann Luyken
  • Publication number: 20220177410
    Abstract: The present invention relates to a process for preparing alkanolamines and ethyleneamines in the liquid phase, by reacting ethylene glycol and/or monoethanolamine with ammonia in the presence of an amination catalyst which is obtained by reducing a catalyst precursor, wherein the preparation of the catalyst precursor comprises a step a) in which a catalyst precursor comprising one or more catalytically active components of Sn, Cu and Ni, and a step b) in which the catalyst precursor prepared in step a) is contacted with a soluble Re compound.
    Type: Application
    Filed: February 26, 2020
    Publication date: June 9, 2022
    Inventors: Barbara BECKER, Thomas HEIDEMANN, Regine Helga BEBENSEE, Eva KOCH, Johann-Peter MELDER, Hermann LUYKEN, Claudia OEZKOZANOGLU, Jens KEHRER
  • Patent number: 11339117
    Abstract: The present invention relates to a process for purifying a mixture comprising MEG, MEA, EDA and DETA, and low boilers having a boiling point not higher than PIP and high boilers having a boiling point not lower than AEEA, wherein the process comprises the following steps: a) separating a mixture comprising MEG, MEA, EDA and DETA, and low boilers having a boiling point not higher than PIP and high boilers having a boiling point not lower than AEEA, into (i) a mixture A comprising EDA and the low boilers having a boiling point not higher than PIP; and (ii) a mixture B comprising MEA; and (iii) a mixture C comprising MEG, DETA and the high boilers having a boiling point not lower than AEEA; b) separating mixture C from stage a) into (i) a mixture D comprising MEG; and (ii) a mixture E comprising MEG, DETA and the high boilers having a boiling point not lower than AEEA; c) separating mixture E from stage b) either into (i) a mixture F comprising MEG and DETA; and (ii) a mixture G comprising the high boi
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: May 24, 2022
    Assignee: BASF SE
    Inventor: Hermann Luyken
  • Patent number: 11225455
    Abstract: The present invention relates to a process for removing NMEDA from a mixture comprising water (H2O), ethylenediamine (EDA) and N-methylethylenediamine (NMEDA) by a rectification in a rectification column (NMEDA removal), wherein the rectification is conducted at a bottom temperature TB of 155° C. or less and the mixture comprises at least the amount of water as required for the formation of a high-boiling azeotrope of EDA and water at the corresponding bottom temperature.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: January 18, 2022
    Assignee: BASF SE
    Inventor: Hermann Luyken
  • Patent number: 11214535
    Abstract: The invention relates to processes for preparing alkanolamines and ethyleneamines in the liquid phase, by reacting ethylene glycol and/or monoethanolamine with ammonia in the presence of an amination catalyst comprising one or more active metals selected from Sn and the elements of groups 8, 9, 10 and 11 of the Periodic Table of the Elements, wherein the amination catalyst is obtained by reductive calcination of a catalyst precursor. The catalyst precursor here is preferably prepared by contacting a conventional or catalytic support material with one or more soluble compounds of the active metals and optionally one or more soluble compounds of added catalyst elements.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: January 4, 2022
    Assignee: BASF SE
    Inventors: Regine Helga Bebensee, Thomas Heidemann, Barbara Becker, Eva Koch, Hermann Luyken, Johann-Peter Melder
  • Patent number: 11208373
    Abstract: The present invention relates to a process for preparing alkanolamines and/or ethyleneamines in the liquid phase, by reacting ethylene glycol and/or monoethanolamine with ammonia in the presence of an amination catalyst comprising Co, Ru and Sn.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: December 28, 2021
    Assignee: BASF SE
    Inventors: Thomas Heidemann, Barbara Becker, Eva Koch, Johann-Peter Melder, Hermann Luyken
  • Publication number: 20210371372
    Abstract: The present invention relates to a process for purifying ethylenediamine, in which a) a mixture comprising water (H2O), ethylenediamine (EDA) and N-methylethylenediamine (NMEDA) is introduced into a rectification column (NMEDA removal column), where the mixture introduced comprises at least the amount of water as required for the formation of a high-boiling azeotrope of EDA and water at the appropriate bottom temperature; and the EDA-comprising bottom product from the NMEDA removal column is introduced into a second rectification column (EDA dewatering column), wherein the pressure at the top of the EDA dewatering column is adjusted such that the boiling temperature of the mixture obtained at the top is 10° C.
    Type: Application
    Filed: October 17, 2018
    Publication date: December 2, 2021
    Inventor: Hermann LUYKEN
  • Publication number: 20210363097
    Abstract: A process for continuous production of C2-C4-monoalkanolamines by reaction of a corresponding C2-C4-alkylene oxide with a molar excess of ammonia (NH3), wherein aqueous ammonia is employed, in the liquid phase and in the presence of an acidic cation exchanger as catalyst which contains a crosslinked copolymer comprising acidic functional groups as the carrier matrix, wherein the cation exchanger has a total exchange capacity of not less than 1.8 eq/L.
    Type: Application
    Filed: January 28, 2019
    Publication date: November 25, 2021
    Inventors: Christian GRUENANGER, Gabriele IFFLAND, Zeljko KOTANJAC, Hermann LUYKEN, Thomas KRUG, Jian Zhong YI, Johann-Peter MELDER
  • Publication number: 20210214300
    Abstract: The present invention relates to a process for the conversion of ethylene oxide to 2-aminoethanol and/or Di(2-hydroxyethyl)amine comprising (i) providing a catalyst comprising a zeolitic material comprising YO2 and X2O3 in its framework structure, wherein Y is a tetravalent element and X is a trivalent element, wherein the zeolitic material has a framework-type structure selected from the group consisting of MFI and/or MEL, including MEL/MFI intergrowths, and wherein the zeolitic material contains one or more rare earth elements; (ii) providing a mixture in the liquid phase comprising ethylene oxide and ammonia; (iii) contacting the catalyst provided in (i) with the mixture in the liquid phase provided in (ii) for converting ethylene oxide to 2-aminoethanol and/or Di(2-hydroxyethyl)amine, wherein the catalyst provided in (i) is obtained and/or obtainable by a process comprising loading one or more salts of the one or more rare earth elements into the pores of the porous structure of the zeolitic material and
    Type: Application
    Filed: May 29, 2019
    Publication date: July 15, 2021
    Inventors: Andrei-Nicolae PARVULESCU, Johann-Peter MELDER, Ulrich MUELLER, Alexander Michael HAYDL, Zeljko KOTANJAC, Hermann LUYKEN, Christian GRUENANGER
  • Patent number: 11021434
    Abstract: The present invention relates to a process for preparing ethyleneamines and/or alkanolamines, comprising the following steps: 1) reacting MEG with ammonia in the presence of hydrogen and an amination catalyst; 2) removing hydrogen and ammonia from the reaction output from stage 1, wherein the removal of hydrogen and ammonia in stage 2 comprises the following steps: 2-1) separating the reaction output from stage 1 into a gaseous phase comprising ammonia and hydrogen, and a liquid phase comprising ethyleneamines and/or alkanolamines, 2-2) passing the gaseous phase from stage 2-1) through one or more condensers to obtain one or more liquid phases in which ammonia has been enriched, and a gaseous phase in which hydrogen has been enriched, 2-3) contacting the gaseous phase from stage 2-2) with MEG so as to obtain a liquid phase comprising MEG and ammonia and a gaseous phase comprising hydrogen and optionally ammonia.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: June 1, 2021
    Inventor: Hermann Luyken
  • Publication number: 20210155574
    Abstract: The invention relates to a process for preparing certain amines, wherein, in a first step, a corresponding amino alcohol is reacted with a suitable carbonyl compound and then, in a second step, the intermediate obtained in the first step is reacted with a suitable amine component to form the desired amine.
    Type: Application
    Filed: March 27, 2019
    Publication date: May 27, 2021
    Inventors: Martin ERNST, Ansgar Gereon ALTENHOFF, Hermann LUYKEN
  • Publication number: 20210078935
    Abstract: The invention relates to a process for preparing alkanolamines and ethyleneamines in the liquid phase, by reacting ethylene glycol and/or monoethanolamine with ammonia in the presence of an amination catalyst which is obtained by reducing a catalyst precursor, wherein the preparation of the catalyst precursor comprises a step a) in which a catalyst precursor comprising one or more catalytically active components of Sn, Cu and Ni is first prepared and the catalyst precursor prepared in step a) is contacted simultaneously or successively with a soluble Ru compound and a soluble Co compound in a step b).
    Type: Application
    Filed: May 24, 2018
    Publication date: March 18, 2021
    Inventors: Regine Helga BEBENSEE, Thomas HEIDEMANN, Barbara BECKER, Eva KOCH, Hermann LUYKEN, Johann-Peter MELDER
  • Patent number: 10941092
    Abstract: The present invention relates to a two-stage hydroformylation process for producing pound of the formula (I) and to a process for producing a compound of the formula (V) comprising the two-stage hydroformylation process for producing a compound of the formula (I) followed by hydrogenation of the compound of the formula (I).
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: March 9, 2021
    Inventors: Marek Pazicky, Martin Ernst, Nicolas Marion, Rocco Paciello, Johann-Peter Melder, Hermann Luyken
  • Publication number: 20200308098
    Abstract: The present invention relates to a process for removing NMEDA from a mixture comprising water (H2O), ethylenediamine (EDA) and N-methylethylenediamine (NMEDA) by a rectification in a rectification column (NMEDA removal), wherein the rectification is conducted at a bottom temperature TB of 155° C. or less and the mixture comprises at least the amount of water as required for the formation of a high-boiling azeotrope of EDA and water at the corresponding bottom temperature.
    Type: Application
    Filed: October 17, 2018
    Publication date: October 1, 2020
    Inventor: Hermann LUYKEN
  • Publication number: 20200308097
    Abstract: The present invention relates to a process for purifying a mixture comprising MEG, MEA, EDA and DETA, and low boilers having a boiling point not higher than PIP and high boilers having a boiling point not lower than AEEA, wherein the process comprises the following steps: a) separating a mixture comprising MEG, MEA, EDA and DETA, and low boilers having a boiling point not higher than PIP and high boilers having a boiling point not lower than AEEA, into (i) a mixture A comprising EDA and the low boilers having a boiling point not higher than PIP; and (ii) a mixture B comprising MEA; and (iii) a mixture C comprising MEG, DETA and the high boilers having a boiling point not lower than AEEA; b) separating mixture C from stage a) into (i) a mixture D comprising MEG; and (ii) a mixture E comprising MEG, DETA and the high boilers having a boiling point not lower than AEEA; c) separating mixture E from stage b) either into (i) a mixture F comprising MEG and DETA; and (ii) a mixture G comprising the high boi
    Type: Application
    Filed: October 17, 2018
    Publication date: October 1, 2020
    Inventor: Hermann LUYKEN
  • Publication number: 20200290946
    Abstract: The present invention relates to a process for preparing ethyleneamines and/or alkanolamines, comprising the following steps: 1) reacting MEG with ammonia in the presence of hydrogen and an amination catalyst; 2) removing hydrogen and ammonia from the reaction output from stage 1, wherein the removal of hydrogen and ammonia in stage 2 comprises the following steps: 2-1) separating the reaction output from stage 1 into a gaseous phase comprising ammonia and hydrogen, and a liquid phase comprising ethyleneamines and/or alkanolamines, 2-2) passing the gaseous phase from stage 2-1) through one or more condensers to obtain one or more liquid phases in which ammonia has been enriched, and a gaseous phase in which hydrogen has been enriched, 2-3) contacting the gaseous phase from stage 2-2) with MEG so as to obtain a liquid phase comprising MEG and ammonia and a gaseous phase comprising hydrogen and optionally ammonia.
    Type: Application
    Filed: October 17, 2018
    Publication date: September 17, 2020
    Inventor: Hermann LUYKEN
  • Publication number: 20200172458
    Abstract: The present invention relates to a two-stage hydroformylation process for producing pound of the formula (I) and to a process for producing a compound of the formula (V) comprising the two-stage hydroformylation process for producing a compound of the formula (I) followed by hydrogenation of the compound of the formula (I).
    Type: Application
    Filed: June 6, 2018
    Publication date: June 4, 2020
    Inventors: Marek PAZICKY, Martin ERNST, Nicolas MARION, Rocco PACIELLO, Johann-Peter MELDER, Hermann LUYKEN
  • Publication number: 20200131111
    Abstract: The present invention relates to a process for preparing alkanolamines and/or ethyleneamines in the liquid phase, by reacting ethylene glycol and/or monoethanolamine with ammonia in the presence of an amination catalyst comprising Co, Ru and Sn.
    Type: Application
    Filed: May 24, 2018
    Publication date: April 30, 2020
    Inventors: Thomas HEIDEMANN, Barbara BECKER, Eva KOCH, Johann-Peter MELDER, Hermann LUYKEN
  • Publication number: 20200102262
    Abstract: The invention relates to processes for preparing alkanolamines and ethyleneamines in the liquid phase, by reacting ethylene glycol and/or monoethanolamine with ammonia in the presence of an amination catalyst comprising one or more active metals selected from Sn and the elements of groups 8, 9, 10 and 11 of the Periodic Table of the Elements, wherein the amination catalyst is obtained by reductive calcination of a catalyst precursor. The catalyst precursor here is preferably prepared by contacting a conventional or catalytic support material with one or more soluble compounds of the active metals and optionally one or more soluble compounds of added catalyst elements.
    Type: Application
    Filed: May 24, 2018
    Publication date: April 2, 2020
    Inventors: Regine Helga BEBENSEE, Thomas HEIDEMANN, Barbara BECKER, Eva KOCH, Hermann LUYKEN, Johann-Peter MELDER