Patents by Inventor Frieder Borgmeier

Frieder Borgmeier 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: 20210094908
    Abstract: A process for manufacturing of an alkanesulfonic acid, and an alkanesulfonic acid manufactured by the process. Aspects of the process may involve manufacturing an alkanesulfonic acid by reaction of an initiator composition with an alkane and sulfur trioxide by preparing an initiator composition by reacting aqueous hydrogen peroxide with alkanesulfonic acid and/or H2SO4; and reacting the initiator composition with sulfur trioxide and alkane to form an alkanesulfonic acid, wherein an alkane with a purity of at least 98.0 mol-% is used.
    Type: Application
    Filed: January 30, 2019
    Publication date: April 1, 2021
    Applicant: BASF SE
    Inventors: Frieder BORGMEIER, Jan SPIELMANN, Michael ZEILINGER, Juergen WORTMANN
  • Patent number: 10899705
    Abstract: The present invention relates to a process for the manufacturing of methane sulfonic acid (MSA) by reaction of a radical initiator composition with methane and sulfur trioxide comprising the steps (a) preparation of the intiator composition by reacting aqueous hydrogen peroxide with the components methane sulfonic acid and methane sulfonic acid anhydride and (b) reaction of the initiator composition from step (a) with sulfur trioxide and methane to form methane sulfonic acid. The invention further relates to the use of methane sulfonic acid anhydride (MSA anhydride) in said process and to methane sulfonic acid manufactured by said process.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: January 26, 2021
    Assignee: BASF SE
    Inventors: Jan Spielmann, Michael Zeilinger, Juergen Wortmann, Frieder Borgmeier
  • Patent number: 10894766
    Abstract: The present invention deals with a process for the production of alkanesulfonic acids, in particular methanesulfonic acid, and a method of purification of the raw products.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: January 19, 2021
    Assignee: BASF SE
    Inventors: Jan Spielmann, Juergen Wortmann, Frieder Borgmeier, Michael Zeilinger, Rosario Mazarro Berdonces, Bjoern Kaibel
  • Publication number: 20200216388
    Abstract: The present invention relates to a process for the manufacturing of methane sulfonic acid (MSA) by reaction of a radical initiator composition with methane and sulfur trioxide comprising the steps (a) preparation of the intiator composition by reacting aqueous hydrogen peroxide with the components methane sulfonic acid and methane sulfonic acid anhydride and (b) reaction of the initiator composition from step (a) with sulfur trioxide and methane to form methane sulfonic acid. The invention further relates to the use of methane sulfonic acid anhydride (MSA anhydride) in said process and to methane sulfonic acid manufactured by said process.
    Type: Application
    Filed: May 23, 2018
    Publication date: July 9, 2020
    Applicant: BASF SE
    Inventors: Jan SPIELMANN, Michael ZEILINGER, Juergen WORTMANN, Frieder BORGMEIER
  • Publication number: 20200190027
    Abstract: The present invention deals with a process for the production of alkanesulfonic acids, in particular methanesulfonic acid, and a method of purification of the raw products.
    Type: Application
    Filed: May 23, 2018
    Publication date: June 18, 2020
    Applicant: BASF SE
    Inventors: Jan SPIELMANN, Juergen WORTMANN, Frieder BORGMEIER, Michael ZEILINGER, Rosario MAZARRO BERDONCES, Bjoern KAIBEL
  • Patent number: 10577312
    Abstract: A process comprising: (a) distilling a melt comprising crude alkanesulfonic acid to completely or partly remove low boilers, wherein the low boilers are drawn off at the top of a distillation column or of a one-stage evaporation apparatus and a material stream comprising alkanesulfonic acid, high boilers and residual low boilers is withdrawn at the bottom of the distillation column or of the one-stage evaporation apparatus, (b) sending the stream comprising alkanesulfonic acid, high boilers and residual low boilers into a melt crystallization as the starting melt to obtain crystals formed from the alkanesulfonic acid, hydrates of the alkanesulfonic acid or a mixture of both suspended in mother liquor, (c) performing a solid-liquid separation to remove the crystals from the mother liquor, and (d) optionally washing the crystals to remove mother liquor adhering to the crystals.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: March 3, 2020
    Assignee: BASF SE
    Inventors: Jan Spielmann, Michael Koch, Juergen Wortmann, Feelly Ruether, Sabine Weiguny, Frieder Borgmeier
  • Publication number: 20180319739
    Abstract: The invention relates to a process for purifying alkanesulfonic acids which comprises the steps of: (a) distilling a melt comprising crude alkanesulfonic acid (1) to completely or partly remove low boilers, wherein the low boilers are drawn off at the top of a distillation column (3) or of a one-stage evaporation apparatus and a material stream (7) comprising alkanesulfonic acid, high boilers and residual low boilers is withdrawn at the bottom of the distillation column (3) or of the one-stage evaporation apparatus, (b) sending the stream (7) comprising alkanesulfonic acid, high boilers and residual low boilers into a melt crystallization (9) as the starting melt to form crystals of the alkanesulfonic acid, of hydrates of the alkanesulfonic acid or of a mixture of both suspended in mother liquor, (c) performing a solid-liquid separation to remove the crystals from the mother liquor, (d) optionally washing the crystals to remove mother liquor adhering to the crystals.
    Type: Application
    Filed: November 8, 2016
    Publication date: November 8, 2018
    Applicant: BASF SE
    Inventors: Jan SPIELMANN, Michael KOCH, Juergen WORTMANN, Feelly RUETHER, Sabine WEIGUNY, Frieder BORGMEIER
  • Patent number: 8728253
    Abstract: A method for handling aqueous solutions of methanesulfonic acid (MSA) having a concentration from 50 to 99% by weight of MSA and a total chlorine content of less than 50 mg/kg in apparatuses in which the aqueous MSA solution is in contact with steel surfaces. The steel comprises austenitic steels having a chromium content of from 15 to 22% by weight and a nickel content of from 9 to 15% by weight.
    Type: Grant
    Filed: November 2, 2010
    Date of Patent: May 20, 2014
    Assignee: BASF SE
    Inventors: Stefan Faβbender, Peter Petersen, Arnulf Lauterbach, Günter Renz, Frieder Borgmeier, Peter Kolb
  • Patent number: 8691723
    Abstract: The sequential production of a library of N different solids, in particular heterogeneous catalysts, where N within a day is an integer of at least 2, is performed by a) producing at least two different sprayable solutions, emulsions and/or dispersions of elements and/or element compounds of the chemical elements present in the catalyst and optionally of dispersions of inorganic support materials, b) continuously metering the at least two different solutions, emulsions and/or dispersions in a predefined ratio into a mixing apparatus in which the solutions, emulsions and/or dispersions are homogeneously mixed, c) continuously drying the mixture removed from the mixing apparatus and recovering the dried mixture, d) changing the ratios in step b) and repeating steps b), c) and d) (N?1) times until N different dried mixtures are obtained, e) optionally shaping and optionally calcining the mixtures to give the solids.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: April 8, 2014
    Assignee: BASF Aktiengesellschaft
    Inventors: Hartmut Hibst, Frieder Borgmeier, Martin Dieterle
  • Patent number: 8338640
    Abstract: A process for heterogeneously catalyzed partial direct oxidation of propane and/or isobutane, in which target product is removed in a workup stage from the product gas mixture obtained in the reaction stage, the remaining residual product gas mixture is divided into two portions of the same composition, one portion is recycled into the reaction stage and the other portion is discharged, and both the reaction stage and the workup stage are operated at elevated pressure.
    Type: Grant
    Filed: April 2, 2004
    Date of Patent: December 25, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Otto Machhammer, Sven Crone, Frieder Borgmeier, Klaus Joachim Mueller-Engel, Christoph Adami, Armin Diefenbacher
  • Patent number: 8088962
    Abstract: A process for preparing butadiene, comprising A) providing a stream (a) comprising n-butane; B) feeding stream (a) comprising into at least one first dehydrogenation zone and nonoxidatively catalytically dehydrogenating n-butane to obtain a stream (b) comprising n-butane, 1-butene, 2-butene, butadiene, hydrogen and low-boiling secondary constituents; C) feeding stream (b) and an oxygenous gas into at least one second dehydrogenation zone and oxidatively dehydrogenating n-butane, 1-butene and 2-butene to obtain a stream (c) comprising n-butane, 2-butene, butadiene, low-boiling secondary constituents, carbon oxides and steam, wherein stream (c) has a higher content of butadiene than stream (b); D) removing the low-boiling secondary constituents and steam to obtain a stream (d) substantially consisting of n-butane, 2-butene and butadiene; E) separating stream (d) into a stream (e1) consisting substantially of n-butane and 2-butene and a stream (e2) consisting substantially of butadiene by extractive distillation
    Type: Grant
    Filed: January 16, 2006
    Date of Patent: January 3, 2012
    Assignee: BASF SE
    Inventors: Catharina Klanner, Götz-Peter Schindler, Sven Crone, Frieder Borgmeier, Mark Duda, Falk Simon
  • Publication number: 20110108120
    Abstract: A method for handling aqueous solutions of methanesulfonic acid (MSA) having a concentration from 50 to 99% by weight of MSA and a total chlorine content of less than 50 mg/kg in apparatuses in which the aqueous MSA solution is in contact with steel surfaces. The steel comprises austenitic steels having a chromium content of from 15 to 22% by weight and a nickel content of from 9 to 15% by weight.
    Type: Application
    Filed: November 2, 2010
    Publication date: May 12, 2011
    Applicant: BASF SE
    Inventors: Stefan Fassbender, Peter Petersen, Arnulf Lauterbach, Günter Renz, Frieder Borgmeier, Peter Kolb
  • Publication number: 20100304143
    Abstract: The present invention relates to a process for producing coated nanoparticles comprising a core comprising at least one first substance and at least one envelope at least partly surrounding the core and composed of at least one further substance, in a streaming system, to nanoparticles which can be produced according to this process, to nanoparticles comprising a nonporous core comprising at least one first substance and at least one porous envelope at least partly surrounding the core and composed of at least one further substance, the nanoparticles having a narrow particle size distribution, to the use of such nanoparticles in photocatalysis and to apparatus for carrying out the process.
    Type: Application
    Filed: August 27, 2008
    Publication date: December 2, 2010
    Applicant: BASF SE
    Inventors: Alexandra Seeber, Götz-Peter Schindler, Katrin Freitag, Frank Jäger, Dirk Klingler, Frieder Borgmeier
  • Patent number: 7495138
    Abstract: A process for preparing butadiene, comprising nonoxidatively dehydrogenating n-butane from a stream (a) in a first dehydrogenation zone to obtain stream (b) comprising 1-butene, 2-butene, and butadiene; oxidatively dehydrogenating the 1-butene and 2-butene of (b) in the presence of an oxygenous gas in a second dehydrogenation zone to obtain stream (c) comprising n-butane, butadiene, hydrogen, and steam; compressing and cooling (c) to obtain stream (d2) comprising n-butane, butadiene, hydrogen, and steam; extractively distilling (d2) into stream (e1) comprising butadiene and stream (e2) comprising n-butane, hydrogen, and steam; optionally compressing and cooling (e2) to obtain stream (f1) comprising n-butane and water and stream (f2) comprising n-butane and hydrogen and optionally recycling (f1) into the first dehydrogenation zone; separating (f2) into stream (g1) comprising n-butane and stream (g2) comprising hydrogen by contacting (f2) with a high boiling absorbent and subsequently desorbing the gas constitu
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: February 24, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: Sven Crone, Catharina Klanner, Götz-Peter Schindler, Mark Duda, Frieder Borgmeier
  • Patent number: 7495121
    Abstract: Multimetal oxide materials which contain Mo and V and, if required, one or more of the elements from the group consisting of lanthanides, transition elements of the Periodic Table of the Elements and elements of the third to sixth main group of the Periodic Table of the Elements and which are prepared in the presence of an alkali metal other than Li and have the i-phase structure are used as active material in catalysts for partial gas-phase oxidations.
    Type: Grant
    Filed: May 12, 2004
    Date of Patent: February 24, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: Hartmut Hibst, Gerhard Cox, Frieder Borgmeier
  • Publication number: 20080269536
    Abstract: The invention relates to a process for preparing propene from propane, comprising the steps: A) a feed gas stream a comprising propane is provided; B) the feed gas stream a comprising propane, if appropriate steam and if appropriate and an oxygenous gas stream are fed into a dehydrogenation zone and propane is subjected to a dehydrogenation to propene to obtain a product gas stream b comprising propane, propene, methane, ethane, ethene, nitrogen, carbon monoxide, carbon dioxide, steam, if appropriate hydrogen and if appropriate oxygen; C) the product gas stream b is cooled, if appropriate compressed and steam is removed by condensation to obtain a steam-depleted product gas stream c; D) uncondensable or low-boiling gas constituents are removed by contacting the product gas stream c with an inert absorbent and subsequently desorbing the gases dissolved in the inert absorbent to obtain a C3 hydrocarbon stream d1 and an offgas stream d2 comprising methane, ethane, ethene, nitrogen, carbon monoxide, carbon dioxid
    Type: Application
    Filed: March 3, 2006
    Publication date: October 30, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Sven Crone, Otto Machhammer, Götz-Peter Schindler, Frieder Borgmeier
  • Patent number: 7435860
    Abstract: A process for preparing butadiene, comprising nonoxidatively dehydrogenating n-butane from a stream (a) in a first dehydrogenation zone to obtain stream (b) comprising 1-butene and 2-butene; oxidatively dehydrogenating the 1-butene and 2-butene of (b) in the presence of an oxygenous gas in a second dehydrogenation zone to obtain stream (c) comprising n-butane, butadiene, hydrogen, carbon dioxide, and steam; compressing and cooling (c) to obtain stream (d2) comprising n-butane, butadiene, hydrogen, carbon dioxide, and steam; extractively distilling (d2) into stream (e1) comprising butadiene and stream (e2) comprising n-butane, hydrogen, carbon dioxide, and steam; compressing and cooling (e2) to obtain stream (f1) comprising n-butane and water and stream (f2) comprising n-butane, hydrogen, and carbon dioxide; cooling (f2) to obtain stream (g1) comprising n-butane and stream (g2) comprising carbon dioxide and hydrogen; phase separating water from (f1) to obtain stream (h1) comprising n-butane; and recycling (h1)
    Type: Grant
    Filed: December 7, 2005
    Date of Patent: October 14, 2008
    Assignee: BASF SE
    Inventors: Sven Crone, Catharina Klanner, Götz-Peter Schindler, Mark Duda, Frieder Borgmeier
  • Publication number: 20080221374
    Abstract: A process for preparing propene from propane, comprising the steps: A) a feed gas stream a comprising propane is provided; B) the fed gas stream a comprising propane, if appropriate steam and, if appropriate, an oxygenous gas stream are fed into a dehydrogenation zone and propane is subjected to a dehydrogenation to propene to obtain a product gas stream b comprising propane, propene, methane, ethane, ethene, carbon monoxide, carbon dioxide, steam, if appropriate hydrogen and, if appropriate, oxygen; C) product gas stream b is cooled, if appropriate condensed and steam is removed by condensation to obtain a steam-depleted product gas stream c; D) product gas stream c is contacted in a first absorption zone with a selective, inert absorbent which selectively absorbs propene to obtain an absorbent stream d1 laden substantially with propene and a gas stream d2 comprising propane, methane, ethane, ethene, carbon monoxide, carbon dioxide and hydrogen; E) if appropriate, the absorbent stream d1 is decompressed t
    Type: Application
    Filed: January 4, 2006
    Publication date: September 11, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Sven Crone, Otto Machhammer, Gotz-Peter Schindler, Frieder Borgmeier
  • Patent number: 7417173
    Abstract: Processes for producing butadiene from n-butane comprising: (a) providing a feed gas stream comprising n-butane; (b) non-oxidatively dehydrogenating the feed gas stream in the presence of a catalyst in a first dehydrogenation zone to form a first intermediate gas stream comprising n-butane, 1-butene, 2-butene, butadiene and hydrogen; (c) oxidatively dehydrogenating the first intermediate gas stream in the presence of an oxygenous gas having an oxygen content of at least 75% by volume in a second dehydrogenation zone to form a second intermediate gas stream comprising n-butane, butadiene, hydrogen, carbon dioxide and steam; (d) compressing and cooling the second intermediate gas to form a first condensate stream comprising water and a third intermediate gas stream comprising n-butane, butadiene, hydrogen, carbon dioxide and steam; (e) compressing and cooling the third intermediate gas to form a second condensate stream comprising n-butane, butadiene and water and a fourth intermediate gas stream comprising n-b
    Type: Grant
    Filed: November 11, 2005
    Date of Patent: August 26, 2008
    Assignee: BASF Aktiengesellschaft
    Inventors: Sven Crone, Catharina Klanner, Götz-Peter Schindler, Mark Duda, Frieder Borgmeier
  • Publication number: 20080183024
    Abstract: A process for preparing butadiene from n-butane, comprising the steps of A) providing a feed gas stream a comprising n-butane; B) feeding the feed gas stream a comprising n-butane into at least one first dehydrogenation zone and nonoxidatively catalytically dehydrogenating n-butane to obtain a product gas stream b comprising n-butane, 1-butene, 2-butene, butadiene, hydrogen and low-boiling secondary constituents, with or without carbon oxides and with or without steam; C) feeding the product gas stream b of the nonoxidative catalytic dehydrogenation and an oxygenous gas into at least one second dehydrogenation zone and oxidatively dehydrogenating n-butane, 1-butene and 2-butene to obtain a product gas stream c comprising n-butane, 2-butene, butadiene, low-boiling secondary constituents, carbon oxides and steam, said product gas stream c having a higher content of butadiene than product gas stream b; D) removing the low-boiling secondary constituents and steam to obtain a C4 product gas stream d substantially
    Type: Application
    Filed: January 16, 2006
    Publication date: July 31, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Catharina Klanner, Gotz-Peter Schindler, Sven Crone, Frieder Borgmeier, Mark Duda, Falk Simon