Patents by Inventor Johann-Peter Melder

Johann-Peter Melder 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: 20220259139
    Abstract: A process for the conversion of glycolaldehyde with an aminating agent in the presence of hydrogen and of a catalyst in a glycolaldehyde conversion reactor, wherein one or more organic carboxylic acids are fed into the glycolaldehyde conversion reactor.
    Type: Application
    Filed: June 2, 2020
    Publication date: August 18, 2022
    Inventors: Martin ERNST, Tatjana HUBER, Johann-Peter MELDER, Stephanie JAEGLI, Thomas KRUG
  • Publication number: 20220235015
    Abstract: A process for the manufacture of ethyleneamines and ethanolamines, comprising the steps of (i) converting a glycolaldehyde derivative of formula (II), in which R2, R3 are—the same or different—hydrogen, alkyl, such as C1-6-alkyl, or cycloalkyl such as Cs-e-cycloalkyl; and an animating agent of formula (III); in which R1 is hydrogen (H), alkyl, such as C1-6-alkyl, or cycloalkyl such as C3-6-cycloalkyl, in the gas or liquid phase; (ii) feeding the reaction products obtained in step (i) into a hydrogenation reactor, where the reaction products are converted with hydrogen in the presence of a hydrogenation catalyst.
    Type: Application
    Filed: June 2, 2020
    Publication date: July 28, 2022
    Inventors: Martin ERNST, Tatjana HUBER, Johann-Peter MELDER, Stephanie JAEGLI, Thomas KRUG
  • Publication number: 20220234991
    Abstract: A process for the conversion of glycolaldehyde with an aminating agent in the presence of hy-5 drogen and of a catalyst, wherein the conversion is carried out in the gas phase.
    Type: Application
    Filed: June 2, 2020
    Publication date: July 28, 2022
    Inventors: Tatjana HUBER, Martin ERNST, Johann-Peter MELDER, Stephanie JAEGLI, Thomas KRUG
  • 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: 11274072
    Abstract: A process for the continuous preparation of 1,2-propylenediamine (1,2-PDA) and dimethyldiethylenetriamine (DMDETA) via reaction of monoisopropanolamine (MIPOA) with ammonia in the presence of hydrogen and a supported heterogeneous hydrogenation catalyst (catalyst), wherein the reaction is effected in the liquid phase at an absolute pressure in the range from 60 to 170 bar.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: March 15, 2022
    Assignee: BASF SE
    Inventors: Christian Eidamshaus, Johann-Peter Melder, Joerg Pastre, Hans-Juergen Pallasch
  • Patent number: 11214555
    Abstract: A process for the depletion of 2-methoxyethanol (MOE) from a mixture comprising predominantly morpholine (MO) (crude morpholine), wherein crude morpholine is distilled in a distillation column in the presence of an alkali metal compound of the general formula M+[RO?] (M+ is alkali metal cation and R is hydrogen (H), methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, sec-butyl or tert-butyl), where MO and a compound of the general formula R—OH are distilled off and an alkali metal methoxyethoxide of the general formula M+[MeOEtO?] is obtained in the bottom of the column.
    Type: Grant
    Filed: February 11, 2019
    Date of Patent: January 4, 2022
    Assignee: BASF SE
    Inventors: Eva Koch, Oliver Bussmann, Joachim Pfeffinger, Joerg Pastre, Johann-Peter Melder
  • 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: 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
  • 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: 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: 10995057
    Abstract: The present invention relates to a process for hydrogenating nitriles with hydrogen in the presence of a ZrO2-supported ruthenium catalyst.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: May 4, 2021
    Assignee: BASF SE
    Inventors: Christian Eidamshaus, Thomas Krug, Johann-Peter Melder, Joerg Pastre, Regine Helga Bebensee, Stephanie Jaegli
  • 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
  • Patent number: 10889683
    Abstract: The present invention relates to the polyamines N,N?-diaminopropyl-2-methyl-cyclohexane-1,3-diamine and N,N?-diaminopropyl-4-methyl-cyclohexane-1,3-diamine and mixtures thereof, to the use thereof as curing agents for epoxy resin and to a curable composition comprising epoxy resin and these polyamines. Even at low temperatures this curing agent/the corresponding curable composition cures rapidly and is early-stage water resistant and is thus especially suitable for floor coatings. The invention further relates to the curing of this composition and the cured epoxy resin obtained by curing of this composition.
    Type: Grant
    Filed: December 4, 2017
    Date of Patent: January 12, 2021
    Assignee: BASF SE
    Inventors: Christian Gruenanger, Alexander Panchenko, Irene Gorman, Veit Stegmann, Johann-Peter Melder, Norbert Gutfrucht, Martin Ernst, Marc Hofmann
  • Publication number: 20200392093
    Abstract: A process for the continuous distillative separation of mixtures comprising morpholine (MO), monoaminodiglycol (ADG), ammonia, water and methoxyethanol (MOE), obtained by reacting diethylene glycol (DEG) with ammonia, wherein ammonia, water, ADG and DEG are removed by distillation and the resulting stream comprising MO and MOE is supplied to a distillation column K40 in which at a top pressure of from 20 to 2000 mbar MO, MOE and organic products having a boiling point 128° C. (1.013 bar) are removed via the bottom and organic products having a boiling point 128° C. are removed overhead, and also MO is removed via a side draw, where K40 is equipped with an evaporator for heating the bottoms, into which is fed heating vapor having a pressure of from 1 to 10 bar.
    Type: Application
    Filed: February 11, 2019
    Publication date: December 17, 2020
    Inventors: Oliver BUSSMANN, Eva KOCH, Manfred HEILIG, Joachim PFEFFINGER, Joerg PASTRE, Johann-Peter MELDER
  • Publication number: 20200392094
    Abstract: A process for the depletion of 2-methoxyethanol (MOE) from a mixture comprising predominantly morpholine (MO) (crude morpholine), wherein crude morpholine is distilled in a distillation column in the presence of an alkali metal compound of the general formula M+[RO?] (M+ is alkali metal cation and R is hydrogen (H), methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, sec-butyl or tert-butyl), where MO and a compound of the general formula R—OH are distilled off and an alkali metal methoxyethoxide of the general formula M+[MeOEtO?] is obtained in the bottom of the column.
    Type: Application
    Filed: February 11, 2019
    Publication date: December 17, 2020
    Inventors: Eva KOCH, Oliver BUSSMANN, Joachim PFEFFINGER, Joerg PASTRE, Johann-Peter MELDER
  • Publication number: 20200385332
    Abstract: A process for the continuous preparation of 1,2-propylenediamine (1,2-PDA) and dimethyldiethylenetriamine (DMDETA) via reaction of monoisopropanolamine (MIPOA) with ammonia in the presence of hydrogen and a supported heterogeneous hydrogenation catalyst (catalyst), wherein the reaction is effected in the liquid phase at an absolute pressure in the range from 60 to 170 bar.
    Type: Application
    Filed: November 19, 2018
    Publication date: December 10, 2020
    Inventors: Christian EIDAMSHAUS, Johann-Peter MELDER, Joerg PASTRE, Hans-Juergen PALLASCH
  • 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