Patents by Inventor Jan SPIELMANN
Jan SPIELMANN 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).
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Publication number: 20220340518Abstract: The present invention relates to an improved process for manufacturing of alkanesulfonic acids.Type: ApplicationFiled: September 22, 2020Publication date: October 27, 2022Inventors: Frank PIEPENBREIER, Andreas KEMPTER, Chee Jian CHAN, Rosario MAZARRO BERDONCES, Kerstin SCHIERLE-ARNDT, Bjoern KAIBEL, Jan SPIELMANN, Frieder BORGMEIER, Michael ZEILINGER, Ingo BIERTUEMPEL, Timo OTT
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Patent number: 11247967Abstract: 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: GrantFiled: January 30, 2019Date of Patent: February 15, 2022Assignee: BASF SEInventors: Frieder Borgmeier, Jan Spielmann, Michael Zeilinger, Juergen Wortmann
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Publication number: 20210094908Abstract: 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: ApplicationFiled: January 30, 2019Publication date: April 1, 2021Applicant: BASF SEInventors: Frieder BORGMEIER, Jan SPIELMANN, Michael ZEILINGER, Juergen WORTMANN
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Patent number: 10899705Abstract: 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: GrantFiled: May 23, 2018Date of Patent: January 26, 2021Assignee: BASF SEInventors: Jan Spielmann, Michael Zeilinger, Juergen Wortmann, Frieder Borgmeier
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Patent number: 10894766Abstract: 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: GrantFiled: May 23, 2018Date of Patent: January 19, 2021Assignee: BASF SEInventors: Jan Spielmann, Juergen Wortmann, Frieder Borgmeier, Michael Zeilinger, Rosario Mazarro Berdonces, Bjoern Kaibel
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Patent number: 10730827Abstract: A process for purifying alkanesulfonic anhydride that includes feeding a stream containing alkanesulfonic anhydride, sulfuric acid, high boilers and residual low boilers into a melt crystallization to form crystals of the alkanesulfonic anhydride suspended in mother liquor, and solid-liquid separation to remove the crystals from the mother liquor.Type: GrantFiled: April 18, 2018Date of Patent: August 4, 2020Assignee: BASF SEInventors: Juergen Wortmann, Jan Spielmann, Katharina Federsel, Feelly Ruether
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Publication number: 20200216388Abstract: 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: ApplicationFiled: May 23, 2018Publication date: July 9, 2020Applicant: BASF SEInventors: Jan SPIELMANN, Michael ZEILINGER, Juergen WORTMANN, Frieder BORGMEIER
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Publication number: 20200190027Abstract: 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: ApplicationFiled: May 23, 2018Publication date: June 18, 2020Applicant: BASF SEInventors: Jan SPIELMANN, Juergen WORTMANN, Frieder BORGMEIER, Michael ZEILINGER, Rosario MAZARRO BERDONCES, Bjoern KAIBEL
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Patent number: 10577312Abstract: 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: GrantFiled: November 8, 2016Date of Patent: March 3, 2020Assignee: BASF SEInventors: Jan Spielmann, Michael Koch, Juergen Wortmann, Feelly Ruether, Sabine Weiguny, Frieder Borgmeier
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Patent number: 10570514Abstract: The present invention is in the field of processes for the generation of thin inorganic films on substrates, in particular atomic layer deposition processes. It relates to a process for preparing metal films comprising (a) depositing a metal-containing compound from the gaseous state onto a solid substrate and (b) bringing the solid substrate with the deposited metal-containing compound in contact with a reducing agent in the gaseous state, wherein the reducing agent is or at least partially forms at the surface of the solid substrate a carbene, a silylene or a phosphor radical.Type: GrantFiled: November 29, 2016Date of Patent: February 25, 2020Assignee: BASF SEInventors: Falko Abels, David Dominique Schweinfurth, Karl Matos, Daniel Loeffler, Maraike Ahlf, Florian Blasberg, Thomas Schaub, Jan Spielmann, Axel Kirste, Boris Gaspar
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Publication number: 20200039927Abstract: A process for purifying alkanesulfonic anhydride which includes: (a) feeding a stream containing alkanesulfonic anhydride, sulfuric acid, high boilers and residual low boilers into a melt crystallization to form crystals of the alkanesulfonic anhydride suspended in mother liquor, (b) performing a solid-liquid separation to remove the crystals from the mother liquor, and (c) optionally washing the crystals to remove mother liquor adhering to the crystals.Type: ApplicationFiled: April 18, 2018Publication date: February 6, 2020Applicant: BASF SEInventors: Juergen WORTMANN, Jan SPIELMANN, Katharina FEDERSEL, Feelly RUETHER
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Publication number: 20190144998Abstract: The present invention is in the field of processes for the generation of thin inorganic films on substrates, in particular atomic layer deposition processes. It relates to a process for preparing metal films comprising (a) depositing a metal-containing compound from the gaseous state onto a solid substrate and (b) bringing the solid substrate with the deposited metal-containing compound in contact with a reducing agent in the gaseous state, wherein the reducing agent is or at least partially forms at the surface of the solid substrate a carbene, a silylene or a phosphor radical.Type: ApplicationFiled: November 29, 2016Publication date: May 16, 2019Applicant: BASF SEInventors: Falko ABELS, David Dominique SCHWEINFURTH, Karl MATOS, Daniel LOEFFLER, Maraike AHLF, Florian BLASBERG, Thomas SCHAUB, Jan SPIELMANN, Axel KIRSTE, Boris GASPAR
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Patent number: 10214485Abstract: The invention relates to a method of reprocessing alkanesulfonic acid employed in a chemical process as an agent, catalyst or solvent and comprising the steps of: (a) removing an alkanesulfonic acid-comprising stream from a reaction mixture generated in the chemical process, (b) feeding the alkanesulfonic acid-comprising stream into a melt crystallization 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, (e) recycling the washed or unwashed crystals removed from the mother liquor into the chemical process.Type: GrantFiled: November 8, 2016Date of Patent: February 26, 2019Assignee: BASF SEInventors: Jan Spielmann, Michael Koch, Juergen Wortmann, Sabine Weiguny, Feelly Ruether, Robert Sengpiel
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Publication number: 20180327352Abstract: The invention relates to a method of reprocessing alkanesulfonic acid employed in a chemical process as an agent, catalyst or solvent and comprising the steps of: (a) removing an alkanesulfonic acid-comprising stream from a reaction mixture generated in the chemical process, (b) feeding the alkanesulfonic acid-comprising stream into a melt crystallization 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, (e) recycling the washed or unwashed crystals removed from the mother liquor into the chemical process.Type: ApplicationFiled: November 8, 2016Publication date: November 15, 2018Applicant: BASF SEInventors: Jan SPIELMANN, Michael KOCH, Juergen WORTMANN, Sabine WEIGUNY, Feelly RUETHER, Robert SENGPIEL
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Publication number: 20180319739Abstract: 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: ApplicationFiled: November 8, 2016Publication date: November 8, 2018Applicant: BASF SEInventors: Jan SPIELMANN, Michael KOCH, Juergen WORTMANN, Feelly RUETHER, Sabine WEIGUNY, Frieder BORGMEIER
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Publication number: 20180044357Abstract: The present invention is in the field of processes for the generation of thin inorganic films on substrates. In particular the present invention relates to a process comprising bringing a com-pound of general formula (I) into the gaseous or aerosol state Ln-M-XmL=formula and depositing the compound of general formula (I) from the gaseous or aerosol state onto a solid substrate, wherein R1, R2, R3, R4, are independent of each other hydrogen, an alkyl group, an aryl group, or a SiA3 group with A being an alkyl or aryl group, and at least two of R1, R2, R3, R4 are a SiA3 group, n is an integer from 1 to 4, M is a metal or semimetal, X is a ligand which coordinates M, and m is an integer from 0 to 4.Type: ApplicationFiled: March 2, 2016Publication date: February 15, 2018Applicant: BASF SEInventors: Jan SPIELMANN, Falko ABELS, Florian BLASBERG, Katharina FEDERSEL, Christian SCHILDKNECHT, Daniel LOEFFLER, Torben ADERMANN, Juergen FRANK, Kerstin SCHIERLE-ARNDT, Sabine WEIGUNY
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Publication number: 20160348243Abstract: The present invention relates to a process for the generation of thin inorganic films on substrates, in particular an atomic layer deposition process. This process comprises bringing a compound of general formula (I) into the gaseous or aerosol state and depositing the compound of general formula (I) from the gaseous or aerosol state onto a solid substrate, wherein R1, R2, R3, R4, R5, and R6 are independent of each other hydrogen, an alkyl group, or a trialkylsilyl group, n is an integer from 1 to 3, M is a metal or semimetal, 1 X is a ligand which coordinates M, and m is an integer from 0 to 4.Type: ApplicationFiled: January 22, 2015Publication date: December 1, 2016Applicant: BASF SEInventors: Ke XU, Christian SCHILDKNECHT, Jan SPIELMANN, Juergen FRANK, Florian BLASBERG, Daniel LOEFFLER, Martin GAERTNER, Sabine WEIGUNY, Kerstin SCHIERLE-ARNDT, Katharina FEDERSEL, Falko ABELS
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Publication number: 20160122296Abstract: The present invention relates to a process for oxidizing a sulfoxide to the respective sulfone, said process comprising reacting the sulfoxide with hydrogen peroxide in the presence of a catalyst, obtaining a mixture (M) comprising the sulfone and the catalyst, wherein the catalyst comprises a porous titanium-containing silicate as a catalytically active material.Type: ApplicationFiled: May 28, 2014Publication date: May 5, 2016Applicant: BASF SEInventors: Andrei-Nicolae PARVULESCU, Ulrich MUELLER, Jan SPIELMANN, Wilfried VOGEL, Jun GAO