Patents by Inventor Jochem Henkelmann

Jochem Henkelmann 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).

  • Process for preparing deodorized 1,2-propanediol
    Patent number: 9145347
    Abstract: The present invention relates to a process for preparing deodorized 1,2-propanediol, to the use of the purified propanediol and to an apparatus for performing the process.
    Type: Grant
    Filed: July 11, 2014
    Date of Patent: September 29, 2015
    Assignee: BASF SE
    Inventors: Stephan Maurer, Roman Prochazka, Oliver Bey, Jochen Steiner, Jochem Henkelmann, Gerhard Theis, Peter Wahl, Frank Heimann
  • Process for producing fatty alcohols by hydrogenation of fatty acid triglycerides on a copper-containing heterogeneous catalyst
    Patent number: 8946490
    Abstract: The present invention relates to a process for preparing fatty alcohols, in which a stream comprising at least one fatty acid triglyceride is provided and this stream is subjected to a hydrogenation in the presence of a heterogeneous copper catalyst.
    Type: Grant
    Filed: May 19, 2010
    Date of Patent: February 3, 2015
    Assignee: BASF SE
    Inventors: Daniela Mirk, Roman Prochazka, Jochem Henkelmann, Markus Hölzle, Daniela Herzberg
  • Process for preparing polyisocyanates from biomass
    Patent number: 8933262
    Abstract: The present invention relates to a process for preparing polyisocyanates from natural raw material sources, in which a composition comprising low molecular weight aromatics which comprise at least one hydroxy group or at least one alkoxy group per molecule (oxyaromatics) is produced from a biomass material, these oxyaromatics are converted into the corresponding aromatic amines and, optionally after condensation with formaldehyde, reacted further with phosgene to give compounds comprising isocyanate groups.
    Type: Grant
    Filed: May 24, 2012
    Date of Patent: January 13, 2015
    Assignee: BASF SE
    Inventors: Eckhard Stroefer, Otto Machhammer, Stefan Bitterlich, Roman Prochazka, Mario Emmeluth, Julia Leschinski, Emmanouil Pantouflas, Dirk Klingler, Stephan Deuerlein, Stephan Schunk, Jochem Henkelmann, Dieter Stützer
  • Method of regenerating ruthenium catalysts suitable for hydrogenation
    Patent number: 8895791
    Abstract: The present invention relates to a method of regenerating a ruthenium catalyst suitable for hydrogenation, which comprises flushing the catalyst with inert gas in a regeneration step until the original activity or part of the original activity has been attained. The method is particularly useful for ruthenium catalysts which are used for the hydrogenation of aromatics.
    Type: Grant
    Filed: July 18, 2007
    Date of Patent: November 25, 2014
    Assignee: BASF SE
    Inventors: Jochem Henkelmann, Michael Becker, Daniela Mirk, Felix Richter, Thomas Schäfer
  • PROCESS FOR PREPARING DEODORIZED 1,2-PROPANEDIOL
    Publication number: 20140343329
    Abstract: The present invention relates to a process for preparing deodorized 1,2-propanediol, to the use of the purified propanediol and to an apparatus for performing the process.
    Type: Application
    Filed: July 11, 2014
    Publication date: November 20, 2014
    Inventors: Stephan Maurer, Roman Prochazka, Oliver Bey, Jochen Steiner, Jochem Henkelmann, Gerhard Theis, Peter Wahl, Frank Heimann
  • Method of regenerating ruthenium catalysts for the hydrogenation of benzene
    Patent number: 8889936
    Abstract: The present patent application describes a method of regenerating a ruthenium catalyst for the hydrogenation of benzene, which comprises flushing the catalyst with inert gas in a regeneration step until the original activity or part of the original activity has been attained.
    Type: Grant
    Filed: July 27, 2007
    Date of Patent: November 18, 2014
    Assignee: BASF SE
    Inventors: Jochem Henkelmann, Michael Becker, Michael Schönherr, Wilhelm Ruppel, Ulrike Wegerle, Bianca Stäck
  • Method for the integrated production of cellulose and low-molecular-weight reusable materials
    Patent number: 8853478
    Abstract: The present invention relates to an integrated method for producing cellulose and at least one low-molecular-weight reusable material, in which a starting material containing lignocellulose is provided and subjected to a decomposition with a processing medium. A fraction enriched with cellulose and a fraction depleted of cellulose is then isolated from the decomposition material, the depleted fraction of cellulose being subjected to a treatment during which at least one low-molecular-weight reusable material is obtained.
    Type: Grant
    Filed: September 7, 2009
    Date of Patent: October 7, 2014
    Assignee: BASF SE
    Inventors: Otto Machhammer, Jochem Henkelmann, Wolfgang Rohde, Mario Emmeluth, Sonja Giesa
  • Method for producing deodorized 1,2-propanediol
    Patent number: 8809596
    Abstract: The present invention relates to a process for preparing deodorized 1,2-propanediol, to the use of the purified propanediol and to an apparatus for performing the process.
    Type: Grant
    Filed: January 19, 2010
    Date of Patent: August 19, 2014
    Assignee: BASF SE
    Inventors: Stephan Maurer, Roman Prochazka, Oliver Bey, Jochen Steiner, Jochem Henkelmann, Gerhard Theis, Peter Wahl, Frank Heimann
  • Process for preparing isocyanates
    Patent number: 8772535
    Abstract: Process for preparing isocyanates by phosgenation of amines, wherein phosgene and amine are brought into contact in at least 2 mixing chambers connected in parallel.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: July 8, 2014
    Assignee: BASF SE
    Inventors: Ralf Boehling, Sven Kueber, Stefan Maixner, Eckhard Stroefer, Jochem Henkelmann, Georg Krug, Werner Bolz
  • Continuous method for producing substituted cyclohexylmethanols
    Patent number: 8598392
    Abstract: The present invention relates to a continuous process for preparing para-alkyl-substituted cyclohexylmethanols, especially 4-isopropylcyclohexylmethanol, by catalytically hydrogenating the corresponding aldehydes or ketones in the presence of hydrogen and in the presence of a catalyst which comprises, as an active metal, ruthenium applied to a support, the support comprising Al2O3 and/or SiO2, and the catalyst being used in the form of a fixed bed catalyst in a hydrogenation reactor or in a plurality of hydrogenation reactors connected in series.
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: December 3, 2013
    Assignee: BASF SE
    Inventors: Daniela Mirk, Lucia Königsmann, Jochem Henkelmann
  • Method of regenerating ruthenium catalysts for the ring hydrogenation of phthalates
    Patent number: 8598060
    Abstract: The present invention relates to a method of regenerating a ruthenium catalyst for the hydrogenation of phthalates, which comprises flushing the catalyst with inert gas in a regeneration step until the original activity or part of the original activity has been attained.
    Type: Grant
    Filed: July 25, 2007
    Date of Patent: December 3, 2013
    Assignee: BASF SE
    Inventors: Jochem Henkelmann, Michael Becker, Felix Richter, Thomas Schäfer
  • PROCESS FOR PREPARING POLYISOCYANATES FROM BIOMASS
    Publication number: 20120302786
    Abstract: The present invention relates to a process for preparing polyisocyanates from natural raw material sources, in which a composition comprising low molecular weight aromatics which comprise at least one hydroxy group or at least one alkoxy group per molecule (oxyaromatics) is produced from a biomass material, these oxyaromatics are converted into the corresponding aromatic amines and, optionally after condensation with formaldehyde, reacted further with phosgene to give compounds comprising isocyanate groups.
    Type: Application
    Filed: May 24, 2012
    Publication date: November 29, 2012
    Applicant: BASF SE
    Inventors: Eckhard Stroefer, Otto Machhammer, Stefan Bitterlich, Roman Prochazka, Mario Emmeluth, Julia Leschinski, Emmanouil Pantouflas, Dirk Klingler, Stephan Deuerlein, Stephan Schunk, Jochem Henkelmann, Dieter Stützer
  • Method for producing 1,2-propandiol by hydrogenation in at least three successive reactors
    Patent number: 8293951
    Abstract: The present invention relates to a process for preparing 1,2-propanediol, in which a glycerol-containing stream, especially a stream obtained on the industrial scale in the production of biodiesel, is subjected to a hydrogenation in an at least three-stage reactor cascade.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: October 23, 2012
    Assignee: BASF SE
    Inventors: Jochem Henkelmann, Roman Prochazka, Oliver Bey, Stephan Maurer, Jochen Steiner, Heiko Urtel, Gerhard Theis, Peter Wahl
  • Method for producing 1,2-propandiol by low-pressure hydrogenation of glycerine
    Patent number: 8273924
    Abstract: The present invention relates to a process for preparing 1,2-propanediol, in which a glycerol-containing stream, especially a stream obtained on the industrial scale in the production of biodiesel, is subjected to a low pressure hydrogenation.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: September 25, 2012
    Assignee: BASF SE
    Inventors: Jochem Henkelmann, Roman Prochazka, Oliver Bey, Stephan Maurer, Jochen Steiner, Heiko Urtel, Gerhard Theis, Peter Wahl, Michael Becker
  • Method for producing 1,2-propandiol by hydrogenating glycerine in a two-step reactor cascade
    Patent number: 8252962
    Abstract: The present invention relates to a process for preparing 1,2-propanediol, in which a glycerol-containing stream, especially a stream obtained on the industrial scale in the production of biodiesel, is subjected to a hydrogenation in a two-stage reactor cascade.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: August 28, 2012
    Assignee: BASF SE
    Inventors: Jochem Henkelmann, Roman Prochazka, Oliver Bey, Stephan Maurer, Jochen Steiner, Heiko Urtel, Gerhard Theis, Peter Wahl, Petra Maier, Georg Mehrl
  • PROCESS FOR PREPARING ISOCYANATES
    Publication number: 20120197038
    Abstract: Process for preparing isocyanates by phosgenation of amines, wherein phosgene and amine are brought into contact in at least 2 mixing chambers connected in parallel.
    Type: Application
    Filed: April 9, 2012
    Publication date: August 2, 2012
    Applicant: BASF SE
    Inventors: Ralf Böhling, Sven Küber, Stefan Maixner, Eckhard Stroefer, Jochem Henkelmann, Georg Krug, Werner Bolz
  • Process for preparing isocyanates
    Patent number: 8212069
    Abstract: Process for preparing isocyanates by phosgenation of amines, wherein phosgene and amine are brought into contact in at least 2 mixing chambers connected in parallel.
    Type: Grant
    Filed: October 18, 2007
    Date of Patent: July 3, 2012
    Inventors: Ralf Boehling, Sven Kueber, Stefan Maixner, Eckhard Stroefer, Jochem Henkelmann, Georg Krug, Werner Bolz
  • Catalyst and process for hydrogenating organic compounds comprising hydrogenatable groups
    Patent number: 8207327
    Abstract: The invention relates to a shell catalyst containing ruthenium as an active metal, alone or together with at least one other metal of the auxiliary group IB, VIIB or VIII of the periodical system of the elements (CAS version), and applied to a carrier containing silicon dioxide as a carrier material. The invention also relates to a method for producing said shell catalyst, and to a method for hydrogenating an organic compound containing hydrogenable groups, preferably for hydrogenating a carbocyclic aromatic group to form the corresponding carbocyclic aliphatic groups or for hydrogenating aldehydes to form the corresponding alcohols, using the inventive shell catalyst. The invention further relates to the use of the inventive shell catalyst for hydrogenating an organic compound containing hydrogenable groups, preferably for hydrogenating a carbocyclic aromatic group to form the corresponding carbocyclic aliphatic groups or for hydrogenating aldehydes to form the corresponding alcohols.
    Type: Grant
    Filed: June 20, 2006
    Date of Patent: June 26, 2012
    Assignee: BASF SE
    Inventors: Frederik Van Laar, Michael Becker, Ekkehard Schwab, Jochem Henkelmann, Peter Polanek
  • PROCESS FOR PRODUCING FATTY ALCOHOLS BY HYDROGENATION OF FATTY ACID TRIGLYCERIDES ON A COPPER-CONTAINING HETEROGENEOUS CATALYST
    Publication number: 20120083631
    Abstract: The present invention relates to a process for preparing fatty alcohols, in which a stream comprising at least one fatty acid triglyceride is provided and this stream is subjected to a hydrogenation in the presence of a heterogeneous copper catalyst.
    Type: Application
    Filed: May 19, 2010
    Publication date: April 5, 2012
    Applicant: BASF SE
    Inventors: Daniela Mirk, Roman Prochazka, Jochem Henkelmann, Markus Hölzle, Daniela Herzberg
  • Method for producing 1,2-diamino-3-methylcyclohexane and/or 1,2-diamino-4-methylcyclohexane
    Patent number: 8134028
    Abstract: A process for preparing 1,2-diamino-3-methylcyclohexane and/or 1,2-diamino-4-methylcyclohexane by reacting 2,3- and/or 3,4-diaminotoluene with hydrogen at elevated pressure and elevated temperature in the presence of a heterogeneous rhodium catalyst, wherein a mixture comprising 2,3- and/or 3,4-diaminotoluene, a dialkyl ether and/or alicyclic ether as a solvent and ammonia is initially charged in an autoclave in the presence of the catalyst and subsequently hydrogenated while supplying hydrogen.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: March 13, 2012
    Assignee: BASF SE
    Inventors: Friederike Osswald, Karl Heinz Brauch, Arnd Bottcher, Jochem Henkelmann, Frederik van Laar, Till Gerlach