Patents by Inventor Wolfgang Maegerlein

Wolfgang Maegerlein 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: 10414716
    Abstract: A process for producing a polyetheramine by reacting a polyether alcohol, previously synthesized in the presence of a basic potassium or sodium compound as catalyst, with ammonia in the presence of hydrogen and a catalyst in one reactor or a plurality of reactors, wherein the employed polyether alcohol when previously synthesized in the presence of a basic potassium compound as catalyst has a content of potassium ions of less than 50 wppm and when previously synthesized in the presence of a basic sodium compound as catalyst has a content of sodium ions of less than 50 wppm.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: September 17, 2019
    Assignee: BASF SE
    Inventors: Christof Wilhelm Wigbers, Wolfgang Mägerlein, Thomas Krug, Johann-Peter Melder
  • Patent number: 9981904
    Abstract: The invention relates to a process for preparing primary amines, which comprises hydrogenating at least one nitrile in an apparatus (V1) in the presence of an unsupported cobalt catalyst to obtain at least one primary amine, with recurrent or continuous addition of at least one compound (I) to the apparatus (V1), said compound (I) comprising at least one component selected from alkali metal, alkaline earth metal and rare earth metal.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: May 29, 2018
    Assignee: BASF SE
    Inventors: Christof Wilhelm Wigbers, Wolfgang Maegerlein, Thomas Krug, Johann-Peter Melder, Thomas Heidemann, Bernd Stein
  • Publication number: 20170362164
    Abstract: A process for producing a polyetheramine by reacting a polyether alcohol, previously synthesized in the presence of a basic potassium or sodium compound as catalyst, with ammonia in the presence of hydrogen and a catalyst in one reactor or a plurality of reactors, wherein the employed polyether alcohol when previously synthesized in the presence of a basic potassium compound as catalyst has a content of potassium ions of less than 50 wppm and when previously synthesized in the presence of a basic sodium compound as catalyst has a content of sodium ions of less than 50 wppm.
    Type: Application
    Filed: December 1, 2015
    Publication date: December 21, 2017
    Inventors: Christof Wilhelm WIGBERS, Wolfgang MÄGERLEIN, Thomas KRUG, Johann-Peter MELDER
  • Publication number: 20170275232
    Abstract: The invention relates to a process for preparing primary amines, which comprises hydrogenating at least one nitrile in an apparatus (V1) in the presence of an unsupported cobalt catalyst to obtain at least one primary amine, with recurrent or continuous addition of at least one compound (I) to the apparatus (V1), said compound (I) comprising at least one component selected from alkali metal, alkaline earth metal and rare earth metal.
    Type: Application
    Filed: August 25, 2015
    Publication date: September 28, 2017
    Applicant: BASF SE
    Inventors: Christof Wilhelm WIGBERS, Wolfgang MAEGERLEIN, Thomas KRUG, Johann-Peter MELDER, Thomas HEIDEMANN, Bernd STEIN
  • Patent number: 9139511
    Abstract: The present invention relates to a process for hydrogenating nitriles by means of hydrogen in the presence of a catalyst in a reactor, where the catalyst is arranged in a fixed bed, wherein the cross-sectional loading in the reactor is in the range from 5 kg/(m2 s) to 50 kg/(m2 s). The present invention further relates to a process for preparing downstream products of isophoronediamine (IPDA) or N,N-dimethylaminopropylamine (DMAPA) from amines prepared according to the invention.
    Type: Grant
    Filed: March 22, 2012
    Date of Patent: September 22, 2015
    Assignee: BASF SE
    Inventors: Christof Wilhelm Wigbers, Christoph Müller, Wolfgang Mägerlein, Petr Kubanek, Thomas Heidemann, Johann-Peter Melder, Thomas Krug, Oliver Bey
  • Patent number: 8946373
    Abstract: The invention relates to a polyurea preparable from a) a component A comprising a1) 5 to 40% by weight of at least one polyetheramine 1 (PEA 1), obtainable from at least one polyetherpolyol 1 (PEP 1) and at least one amine 1, where PEP 1 has an equivalent weight of ?500, a2) 30 to 90% by weight of at least one polyetheramine 2 (PEA 2), obtainable from at least one polyetherpolyol 2 (PEP 2) and at least one amine 2, where PEP 2 has an equivalent weight of >500, a3) 5 to 30% by weight of at least one amine chain extender and b) a component B, which is a prepolymer, obtainable from b1) at least one polyetherpolyol (PEP 3) and b2) at least one isocyanate.
    Type: Grant
    Filed: May 19, 2010
    Date of Patent: February 3, 2015
    Assignee: BASF SE
    Inventors: Berend Eling, Stephan Göttke, Ben Buylinckx, Wolfgang Mägerlein
  • Patent number: 8772548
    Abstract: The present invention relates to a process for reacting glycolaldehyde with an aminating agent in the presence of hydrogen and of a catalyst, the catalyst being activated by reducing a catalyst precursor or by reducing a passivated catalyst, which comprises effecting the reaction in the presence of a solvent and contacting the glycolaldehyde with the activated catalyst.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: July 8, 2014
    Assignee: BASF SE
    Inventors: Wolfgang Mägerlein, Johann-Peter Melder, Jörg Pastre, Jan Eberhardt, Thomas Krug, Mirko Kreitschmann
  • Patent number: 8766009
    Abstract: A process for preparing ethylamines and monoisopropylamine (MIPA), in which bioethanol is reacted with ammonia in the presence of hydrogen and of a heterogeneous catalyst to give ethylamines, said bioethanol having a content of sulfur and/or sulfur compounds of ?0.1 ppm by weight (calculated S), and then isopropanol is reacted with ammonia in the presence of the same catalyst and in the presence of hydrogen to give MIPA.
    Type: Grant
    Filed: November 20, 2012
    Date of Patent: July 1, 2014
    Assignee: BASF SE
    Inventors: Norbert Asprion, Manfred Julius, Oliver Bey, Stefanie Werland, Frank Stein, Matthias Kummer, Wolfgang Mägerlein, Johann-Peter Melder, Kevin Huyghe, Maarten Moors
  • Patent number: 8742174
    Abstract: The present invention relates to a process for preparing ethanolamines by reacting glycolaldehyde with monoethanolamine and/or diethanolamine in the presence of a catalyst.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: June 3, 2014
    Assignee: BASF SE
    Inventors: Wolfgang Mägerlein, Johann-Peter Melder, Jörg Pastre, Jan Eberhardt, Thomas Krug, Mirko Kreitschmann
  • Patent number: 8710269
    Abstract: The present invention relates to a process for preparing 3-dimethylaminopropylamine (DMAPA) by reacting 3-dimethylaminopropionitrile (DMAPN) with hydrogen in the presence of a catalyst, wherein the DMAPN used has a content of 2-(dimethylaminomethyl)glutaronitrile (DGN) of 300 ppm by weight or less, based on the DMAPN used. Furthermore, the present invention relates to mixtures of DMAPN and DGN, wherein the weight ratio of DMAPN to DGN is in the range from 1 000 000:5 to 1 000 000:250.
    Type: Grant
    Filed: July 27, 2011
    Date of Patent: April 29, 2014
    Assignee: BASF SE
    Inventors: Wolfgang Mägerlein, Jan Eberhardt, Johann-Peter Melder, Ulrich Köhler, Thilo Hahn, Mirko Kreitschmann, Dominik Herbrecht
  • Patent number: 8487135
    Abstract: A process for preparing an amine by reacting a primary or secondary alcohol, aldehyde and/or ketone with hydrogen and a nitrogen compound selected from the group of ammonia and primary and secondary amines, in the presence of a supported copper-, nickel- and cobalt-containing catalyst, wherein the catalytically active material of the catalyst, before the reduction thereof with hydrogen, comprises oxygen compounds of aluminum, of copper, of nickel and of cobalt, and in the range from 0.2 to 5.0% by weight of oxygen compounds of tin, calculated as SnO, and catalysts as defined above.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: July 16, 2013
    Assignee: BASF SE
    Inventors: Petr Kubanek, Wolfgang Mägerlein, Johann-Peter Melder, Thomas Heidemann
  • Patent number: 8324430
    Abstract: Processes for preparing an amine, the processes comprising: reacting a reactant selected from the group consisting of primary alcohols, secondary alcohols, aldehydes, ketones, and mixtures thereof, with hydrogen and a nitrogen compound selected from the group consisting of ammonia, primary amines, secondary amines and mixtures thereof, in the presence of a zirconium dioxide-, copper- and nickel-containing catalyst; wherein the catalyst comprises a catalytically active composition which comprises, before reduction with hydrogen, oxygen compounds of zirconium, copper, and nickel, 1.5 to 4.5% by weight of an oxygen compound of cobalt, calculated as CoO, and 0.2 to 5.0% by weight of at least one oxygen compound of niobium, sulfur, phosphorus, gallium, boron, lead or antimony, calculated in each case as Nb2O5, H2SO4, H3PO4, Ga2O3, B2O3, PbO and Sb2O3 respectively, and wherein the catalytically active composition does not comprise any molybdenum.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: December 4, 2012
    Assignee: BASF SE
    Inventors: Petr Kubanek, Wolfgang Mägerlein, Ekkehard Schwab, Johann-Peter Melder, Manfred Julius
  • Patent number: 8318982
    Abstract: A process for preparing an amine by reacting a primary or secondary alcohol, aldehyde and/or ketone with hydrogen and a nitrogen compound selected from the group of ammonia and primary and secondary amines, in the presence of a supported copper-, nickel- and cobalt-containing catalyst, wherein the catalytically active material of the catalyst, before the reduction thereof with hydrogen, comprises oxygen compounds of aluminum, of copper, of nickel, of cobalt and of tin, and in the range from 0.2 to 5.0% by weight of oxygen compounds of yttrium, of lanthanum, of cerium and/or of hafnium, each calculated as Y2O3, La2O3, Ce2O3 and Hf2O3 respectively, and catalysts as defined above.
    Type: Grant
    Filed: December 2, 2010
    Date of Patent: November 27, 2012
    Assignee: BASF SE
    Inventors: Petr Kubanek, Wolfgang Mägerlein, Johann-Peter Melder, Thomas Heidemann
  • Patent number: 8314243
    Abstract: A process is described for catalytically preparing optionally substituted aromatic or heteroaromatic nitrites of the general formula (I) Ar—CN??(I) by reacting the corresponding aryl halides of the general formula (II) Ar—X??(II) in which X is chlorine, bromine, iodine, triflate, nonaflate, mesylate or tosylate and Ar is an optionally substituted aromatic or heteroaromatic radical, characterized in that the reaction is performed in the presence of a palladium compound, a phosphine of the general formula (III) or (IV) where R is an alkyl radical and R?, R? and R?? are each an alkyl radical or an aryl radical or heteroaryl radical and A is an alkylene or arylene radical, and potassium hexacyanoferrate(II) or potassium hexacyanoferrate(III), optionally in a solvent and optionally with addition of a base.
    Type: Grant
    Filed: November 21, 2007
    Date of Patent: November 20, 2012
    Assignee: Saltigo GmbH
    Inventors: Nikolaus Müller, Wolfgang Mägerlein, Alain Cotté, Matthias Beller, Thomas Schareina, Alexander Zapf
  • Publication number: 20120271068
    Abstract: The present invention relates to a process for reacting glycolaldehyde with an aminating agent in the presence of hydrogen and of a catalyst, the catalyst being activated by reducing a catalyst precursor or by reducing a passivated catalyst, which comprises effecting the reaction in the presence of a solvent and contacting the glycolaldehyde with the activated catalyst.
    Type: Application
    Filed: December 14, 2010
    Publication date: October 25, 2012
    Applicant: BASF SE
    Inventors: Wolfgang Mägerlein, Johann-Peter Melder, Jörg Pastre, Jan Eberhardt, Thomas Krug, Mirko Kreitschmann
  • Patent number: 8293945
    Abstract: Processes for preparing an amine, which processes comprise: reacting a reactant selected from the group consisting of primary alcohols, secondary alcohols, aldehydes, ketones, and mixtures thereof, with hydrogen and a nitrogen compound selected from the group consisting of ammonia, primary amines, secondary amines and mixtures thereof, in the presence of a zirconium dioxide-and nickel-containing catalyst; wherein the catalyst comprises a catalytically active composition which comprises, before reduction with hydrogen, oxygen compounds of zirconium, nickel, and iron, and 0.2 to 5.5% by weight of at least one oxygen compound of tin, lead, bismuth, molybdenum, antimony or phosphorus, calculated as SnO, PbO, Bi2O3, MoO3, Sb2O3 and H3PO4 respectively; and wherein the catalytically active composition of the catalyst does not comprise any copper.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: October 23, 2012
    Assignee: BASF SE
    Inventors: Petr Kubanek, Wolfgang Mägerlein, Ekkehard Schwab, Johann-Peter Melder, Manfred Julius
  • Publication number: 20120259139
    Abstract: The present invention relates to a process for preparing ethanolamines by reacting glycolaldehyde with monoethanolamine and/or diethanolamine in the presence of a catalyst.
    Type: Application
    Filed: December 13, 2010
    Publication date: October 11, 2012
    Applicant: BASF SE
    Inventors: Wolfgang Mägerlein, Johann-Peter Melder, Jörg Pastre, Jan Eberhardt, Thomas Krug, Mirko Kreitschmann
  • Patent number: 8278489
    Abstract: Processes for preparing an amine, which processes comprise: reacting a reactant selected from the group consisting of primary alcohols, secondary alcohols, aldehydes, ketones, and mixtures thereof, with hydrogen and a nitrogen compound selected from the group consisting of ammonia, primary amines, secondary amines and mixtures thereof, in the presence of a zirconium dioxide-, copper- and nickel-containing catalyst; wherein the catalyst comprises a catalytically active composition which comprises, before reduction with hydrogen, oxygen compounds of zirconium, copper, nickel and tin, and 0.5 to 8.0% by weight of an oxygen compound of cobalt, calculated as CoO, and wherein the catalytically active composition does not comprise any ruthenium.
    Type: Grant
    Filed: December 10, 2008
    Date of Patent: October 2, 2012
    Assignee: BASF SE
    Inventors: Petr Kubanek, Wolfgang Mägerlein, Ekkehard Schwab, Johann-Peter Melder, Manfred Julius
  • Publication number: 20120245390
    Abstract: The present invention relates to a process for hydrogenating nitriles by means of hydrogen in the presence of a catalyst in a reactor, where the catalyst is arranged in a fixed bed, wherein the cross-sectional loading in the reactor is in the range from 5 kg/(m2s) to 50 kg/(m2s). The present invention further relates to a process for preparing downstream products of isophoronediamine (IPDA) or N,N-dimethylaminopropylamine (DMAPA) from amines prepared according to the invention.
    Type: Application
    Filed: March 22, 2012
    Publication date: September 27, 2012
    Applicant: BASF SE
    Inventors: Christof Wilhelm Wigbers, Christoph Müller, Wolfgang Mägerlein, Petr Kubanek, Thomas Heidemann, Johann-Peter Melder, Thomas Krug, Oliver Bey
  • Publication number: 20120245389
    Abstract: The present invention relates to a process for hydrogenating organic nitriles by means of hydrogen in the presence of a catalyst in a reactor, where the shaped body catalyst is arranged in a fixed bed, wherein the shaped body in the shape of spheres or rods has in each case a diameter 3 mm or less, in the shape of tablets a height of 4 mm or less, and in the case of all other geometries in each case has an equivalent diameter L=1/a? of 0.70 mm or less, where a? is the external surface area per unit volume (mms2/mmp3), where: a ? = A p V p , where Ap is the external surface area of the catalyst particle (mms2) and Vp is the volume of the catalyst particle (mmp3). The present invention further relates to a process for preparing downstream products of isophoronediamine (IPDA) or N,N-dimethylaminopropylamine (DMAPA) from amines prepared according to the invention.
    Type: Application
    Filed: March 22, 2012
    Publication date: September 27, 2012
    Applicant: BASF SE
    Inventors: Christof Wilhelm Wigbers, Christoph Müller, Wolfgang Mägerlein, Martin Ernst, Thomas Heidemann, Johann-Peter Melder, Lucia Königsmann, Milind Joshi, Oliver Bey, Bernd Stein