Patents by Inventor Helfried Neumann
Helfried Neumann 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: 20240360066Abstract: Process for alkoxycarbonylation of olefins using synthesis gas.Type: ApplicationFiled: April 17, 2024Publication date: October 31, 2024Applicant: Evonik Oxeno GmbH & Co. KGInventors: Robert Franke, Matthias Beller, Peter Kucmierczyk, Ralf Jackstell, Yao Ge, Helfried Neumann
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Publication number: 20230348356Abstract: The invention relates to compounds of formula (I) where R1, R2, R3, R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl, —(C3-C20)-heteroaryl; at least one of the R1, R2, R3, R4 radicals is a —(C3-C20)-heteroaryl radical; and R1, R2, R3, R4, if they are —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl or —(C3-C20)-heteroaryl, may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)-cycloalkyl, —S—(C1-C12)-alkyl, —S—(C3-C12)-cycloalkyl, —COO—(C1-C12)-alkyl, —COO—(C3-C12)-cycloalkyl, —CONH—(C1-C12)-alkyl, —CONH—(C3-C12)-cycloalkyl, —CO—(C1-C12)-alkyl, —CO—(C3-C12)-cycloalkyl, —N—[(C1-C12)-alkyl]2, —(C6-C20)-aryl, —(C6-C20)-aryl-(C1-C12)-alkyl, —(C6-C20)-aryl-O—(C1-C12)-alkyl, —(C3-C20)-heteroaryl, —(C3-C20)-heteroaryl-(C1-C12)-alkyl, —(C3-C20)-heteroarType: ApplicationFiled: July 7, 2023Publication date: November 2, 2023Applicant: EVONIK OPERATIONS GMBHInventors: Kaiwu DONG, Xiangjie FANG, Helfried NEUMANN, Ralf JACKSTELL, Matthias BELLER, Robert FRANKE, Dieter HESS, Katrin Marie DYBALLA, Dirk Fridag, Frank GEILEN
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Patent number: 11739066Abstract: The invention discloses a method for fluoroalkylation of enamines with a fluoro alkyl halide in the presence of a base.Type: GrantFiled: June 12, 2020Date of Patent: August 29, 2023Assignee: Arxada AGInventors: Christoph Taeschler, Matthias Beller, Helfried Neumann, Florian Fischer, Shaoke Zhang, Fei Ye, Stefan Ellinger, Florencio Zaragoza Doerwald
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Patent number: 11530175Abstract: The invention discloses a method for the preparation of fluoro alkylated compounds by homogeneous Ni catalyzed fluoro alkylation with fluoro alkyl halides in the presence of a base.Type: GrantFiled: February 20, 2020Date of Patent: December 20, 2022Assignee: ARXADA AGInventors: Christoph Taeschler, Stefan Ellinger, Florencio Zaragoza Doerwald, Matthias Beller, Helfried Neumann, Florian Fischer, Shaoke Zhang, Nicolas Rotta-Loria
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Publication number: 20220204464Abstract: The invention discloses a method for fluoroalkylation of enamines with a fluoro alkyl halide in the presence of a base.Type: ApplicationFiled: June 12, 2020Publication date: June 30, 2022Inventors: Christoph TAESCHLER, Matthias BELLER, Helfried NEUMANN, Florian FISCHER, Shaoke ZHANG, Fei YE, Stefan ELLINGER, Florencio ZARAGOZA DOERWALD
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Patent number: 11332456Abstract: The invention discloses a method for the preparation of fluoro alkylated 1,4-dioxene by homogeneous Ni catalyzed fluoro alkylation with fluoro alkyl halides of 1,4-dioxane in the presence of a base.Type: GrantFiled: February 20, 2020Date of Patent: May 17, 2022Assignee: Lonza Solutions AGInventors: Christoph Taeschler, Thomas Belser, Stefan Ellinger, Florencio Zaragoza Doerwald, Matthias Beller, Helfried Neumann, Florian Fischer, Shaoke Zhang
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Publication number: 20220041570Abstract: The invention discloses a method for the preparation of fluoro alkylated 1,4-dioxene by homogeneous Ni catalyzed fluoro alkylation with fluoro alkyl halides of 1,4-dioxane in the presence of a base.Type: ApplicationFiled: February 20, 2020Publication date: February 10, 2022Inventors: Christoph Taeschler, Thomas Belser, Stefan Ellinger, Florencio Zaragoza Doerwald, Matthias Beller, Helfried Neumann, Florian Fischer, Shaoke Zhang
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Publication number: 20220041530Abstract: The invention discloses a method for the preparation of fluoro alkylated compounds by homogeneous Ni catalyzed fluoro alkylation with fluoro alkyl halides in the presence of a base.Type: ApplicationFiled: February 20, 2020Publication date: February 10, 2022Inventors: Christoph Taeschler, Stefan Ellinger, Florencio Zaragoza Doerwald, Matthias Beller, Helfried Neumann, Florian Fischer, Shaoke Zhang, Nicolas Rotta-Loria
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Publication number: 20210276939Abstract: The invention relates to compounds of formula (I) where R1, R2, R3, R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl, —(C3-C20)-heteroaryl; at least one of the R1, R2, R3, R4 radicals is a —(C3-C20)-heteroaryl radical; and R1, R2, R3, R4, if they are —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl or —(C3-C20)-heteroaryl, may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)-cycloalkyl, —S—(C1-C12)-alkyl, —S—(C3-C12)-cycloalkyl, —COO—(C1-C12)-alkyl, —COO—(C3-C12)-cycloalkyl, —CONH—(C1-C12)-alkyl, —CONH—(C3-C12)-cycloalkyl, —CO—(C1-C12)-alkyl, —CO—(C3-C12)-cycloalkyl, —N—[(C1-C12)-alkyl]2, —(C6-C20)-aryl, —(C6-C20)-aryl-(C1-C12)-alkyl, —(C6-C20)-aryl-O—(C1-C12)-alkyl, —(C3-C20)-heteroaryl, —(C3-C20)-heteroaryl-(C1-C12)-alkyl, —(C3-C20)-heteroType: ApplicationFiled: May 21, 2021Publication date: September 9, 2021Applicant: EVONIK OPERATIONS GMBHInventors: Kaiwu DONG, Xiangjie FANG, Helfried NEUMANN, Ralf JACKSTELL, Matthias BELLER, Robert FRANKE, Dieter HESS, Katrin Marie DYBALLA, Dirk FRIDAG, Frank GEILEN
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Patent number: 11028110Abstract: The invention relates to a process comprising the following process steps: a) introducing a first alcohol, the first alcohol having 2 to 30 carbon atoms; b) adding a phosphine ligand and a compound which comprises Pd, or adding a complex comprising Pd and a phosphine ligand; c) adding a second alcohol; d) supplying CO; e) heating the reaction mixture, the first alcohol reacting with CO and the second alcohol to form an ester; where the phosphine ligand is a compound of formula (I) where m and n are each independently 0 or 1; R1, R2, R3, R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl, —(C3-C20)-heteroaryl; at least one of the R1, R2, R3, R4 radicals is a —(C3-C20)-heteroaryl radical; and R1, R2, R3, R4, if they are —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl or —(C3-C20)-heteroaryl, may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cType: GrantFiled: July 14, 2017Date of Patent: June 8, 2021Assignee: EVONIK OPERATIONS GMBHInventors: Kaiwu Dong, Ralf Jackstell, Helfried Neumann, Matthias Beller, Dirk Fridag, Dieter Hess, Katrin Marie Dyballa, Frank Geilen, Robert Franke
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Patent number: 10968187Abstract: The invention discloses a method for preparation of alkylated, fluoro alkylated, chloro alkylated and fluorochloro alkylated compounds by a heterogeneous Co-catalysed alkylation or fluoro, chloro and fluorochloro alkylation with alkyl halides, fluoro alkyl halides, chloro alkyl halides or fluorochloro alkyl halides respectively.Type: GrantFiled: July 26, 2018Date of Patent: April 6, 2021Assignee: Lonza Solutions AGInventors: Christoph Taeschler, Florencio Zaragoza Doerwald, Stefan Ellinger, Matthias Beller, Helfried Neumann, Florian Fischer
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Patent number: 10696702Abstract: Propyl-bridged diphosphine compounds, metal complexes of these compounds and the use thereof for alkoxycarbonylation.Type: GrantFiled: February 7, 2019Date of Patent: June 30, 2020Assignee: EVONIK OPERATIONS GMBHInventors: Jiawang Liu, Kaiwu Dong, Robert Franke, Helfried Neumann, Ralf Jackstell, Matthias Beller
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Publication number: 20200157063Abstract: The invention discloses a method for preparation of alkylated, fluoro alkylated, chloro alkylated and fluorochloro alkylated compounds by a heterogeneous Co-catalysed alkylation or fluoro, chloro and fluorochloro alkylation with alkyl halides, fluoro alkyl halides, chloro alkyl halides or fluorochloro alkyl halides respectively.Type: ApplicationFiled: July 26, 2018Publication date: May 21, 2020Inventors: Christoph Taeschler, Florencio Zaragoza Doerwald, Stefan Ellinger, Matthias Beller, Helfried Neumann, Florian Fischer
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Patent number: 10562838Abstract: Process comprising the following process steps: a) introducing an ethylenically unsaturated compound; b) adding a ligand-metal complex comprising Pd and a bidentate phosphine ligand, or adding a bidentate phosphine ligand and a compound which comprises Pd; c) adding an alcohol; d) supplying CO; e) heating the reaction mixture, the ethylenically unsaturated compound being reacted to form an ester, where the reaction mixture is admixed with less than 0.1 mol %, based on the amount of substance of the ethylenically unsaturated compound, of Brønsted acids having an acid strength of pKa?3, characterized in that the phosphine ligand is substituted on at least one phosphorus atom by at least one heteroaryl radical.Type: GrantFiled: July 17, 2017Date of Patent: February 18, 2020Assignee: EVONIK DEGUSSA GMBHInventors: Xianjie Fang, Kaiwu Dong, Helfried Neumann, Ralf Jackstell, Matthias Beller, Dirk Fridag, Dieter Hess, Katrin Marie Dyballa, Frank Geilen, Robert Franke
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Patent number: 10494326Abstract: The invention relates to a process comprising the following process steps: a) introducing an ether having 3 to 30 carbon atoms; b) adding a phosphine ligand and a compound which comprises Pd, or adding a complex comprising Pd and a phosphine ligand; c) adding an alcohol; d) supplying CO; e) heating the reaction mixture, the ether being reacted for form an ester; where the phosphine ligand is a compound of formula (I) where m and n are each independently 0 or 1; R1, R2, R3, R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl, —(C3-C20)-heteroaryl; at least one of the R1, R2, R3, R4 radicals is a —(C3-C20)-heteroaryl radical; and R1, R2, R3, R4, if they are —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl or —(C3-C20)-heteroaryl, may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(CType: GrantFiled: July 17, 2017Date of Patent: December 3, 2019Assignee: EVONIK DEGUSSA GMBHInventors: Kaiwu Dong, Ralf Jackstell, Helfried Neumann, Matthias Beller, Dirk Fridag, Dieter Hess, Katrin Marie Dyballa, Frank Geilen, Robert Franke
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Publication number: 20190248817Abstract: Propyl-bridged diphosphine compounds, metal complexes of these compounds and the use thereof for alkoxycarbonylation.Type: ApplicationFiled: February 7, 2019Publication date: August 15, 2019Applicant: EVONIK DEGUSSA GMBHInventors: Jiawang LIU, Kaiwu DONG, Robert FRANKE, Helfried NEUMANN, Ralf JACKSTELL, Matthias BELLER
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Patent number: 10202329Abstract: The invention relates to a compound of formula (I) where R1 and R3 are each a heteroaryl radical having five ring atoms, R2 and R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl; R1 and R3 may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)-cycloalkyl, —S—(C1-C12)-alkyl, —S—(C3-C12)-cycloalkyl, —COO—(C1-C12)-alkyl, —COO—(C3-C12)-cycloalkyl, —CONH—(C1-C12)-alkyl, —CONH—(C3-C12)-cycloalkyl, —CO—(C1-C12)-alkyl, —CO—(C3-C12)-cycloalkyl, —N—[(C1-C12)-alkyl]2, —(C6-C20)-aryl, —(C6-C20)-aryl-(C1-C12)-alkyl, —(C6-C20)-aryl-O—(C1-C12)-alkyl, —(C3-C20)-heteroaryl, —(C3-C20)-heteroaryl-(C1-C12)-alkyl, —(C3-C20)-heteroaryl-O—(C1-C12)-alkyl, —COOH, —OH, —SO3H, —NH2, halogen; and R2 and R4, if they are —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl or —(C6-C20)-aryl, may eType: GrantFiled: July 19, 2016Date of Patent: February 12, 2019Assignee: EVONIK DEGUSSA GMBHInventors: Kaiwu Dong, Helfried Neumann, Ralf Jackstell, Matthias Beller, Robert Franke, Dieter Hess, Katrin Marie Dyballa, Dirk Fridag, Frank Geilen
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Patent number: 10202409Abstract: Compound of formula (I) where R2, R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl; the R1, R3 radicals are each a —(C3-C20)-heteroaryl radical; R1, R3 may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)-cycloalkyl, —S—(C1-C12)-alkyl, —S—(C3-C12)-cycloalkyl, —COO—(C1-C12)-alkyl, —COO—(C3-C12)-cycloalkyl, —CONH—(C1-C12)-alkyl, —CONH—(C3-C12)-cycloalkyl, —CO—(C1-C12)-alkyl, —CO—(C3-C12)-cycloalkyl, —N—[(C1-C12)-alkyl]2, —(C6-C20)-aryl, —(C6-C20)-aryl-(C1-C12)-alkyl, —(C6-C20)-aryl-O—(C1-C12)-alkyl, —(C3-C20)-heteroaryl, —(C3-C20)-heteroaryl-(C1-C12)-alkyl, —(C3-C20)-heteroaryl-O—(C1-C12)-alkyl, —COOH, —OH, —SO3H, —NH2, halogen; R2, R4, if they are —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl or —(C6-C20)-aryl, may each independently be substituted by one orType: GrantFiled: July 14, 2017Date of Patent: February 12, 2019Assignee: EVONIK DEGUSSA GMBHInventors: Kaiwu Dong, Ralf Jackstell, Helfried Neumann, Matthias Beller, Dirk Fridag, Dieter Hess, Katrin Marie Dyballa, Frank Geilen, Robert Franke
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Patent number: 10087134Abstract: The invention relates to a process comprising the process steps of: a) initially charging an ether having from 3 to 30 carbon atoms; b) adding a phosphine ligand and a compound comprising Pd, or adding a comprising Pd and a phosphine ligand; c) feeding in CO; d) heating the reaction mixture, with conversion of the ether; wherein the phosphine ligand is a compound of formula (I) where m and n are each independently 0 or 1; R1, R2, R3, R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl, —(C3-C20)-heteroaryl; at least one of the R1, R2, R3, R4 radicals is a —(C3-C20)-heteroaryl radical; and R1, R2, R3, R4, if they are —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl or —(C3-C20)-heteroaryl, may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)-cType: GrantFiled: July 17, 2017Date of Patent: October 2, 2018Assignee: EVONIK DEGUSSA GMBHInventors: Kaiwu Dong, Ralf Jackstell, Helfried Neumann, Matthias Beller, Dirk Fridag, Dieter Hess, Katrin Marie Dyballa, Frank Geilen, Robert Franke
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Patent number: 10077228Abstract: The invention relates to a compound of formula (I) where R1, R2, R3, R4 are each independently selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl, —(C3-C20)-heteroaryl; at least one of the R1, R2, R3, R4 radicals is a —(C6-C20)-heteroaryl radical having at least six ring atoms; and R1, R2, R3, R4, if they are —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —(C6-C20)-aryl, —(C3-C20)-heteroaryl or —(C6-C20)-heteroaryl, may each independently be substituted by one or more substituents selected from —(C1-C12)-alkyl, —(C3-C12)-cycloalkyl, —(C3-C12)-heterocycloalkyl, —O—(C1-C12)-alkyl, —O—(C1-C12)-alkyl-(C6-C20)-aryl, —O—(C3-C12)-cycloalkyl, —S—(C1-C12)-alkyl, —S—(C3-C12)-cycloalkyl, —COO—(C1-C12)-alkyl, —COO—(C3-C12)-cycloalkyl, —CONH—(C1-C12)-alkyl, —CONH—(C3-C12)-cycloalkyl, —CO—(C1-C12)-alkyl, —CO—(C3-C12)-cycloalkyl, —N—[(C1-C12)-alkyl]2, —(C6-C20)-aryl, —(C6-C20)-aryl-(C1-C12)-alkyl, —(C6-C20)-aryl-O—(C1-C12)-alkyl, —(C3-C20)-heteroaryl, —(Type: GrantFiled: July 19, 2016Date of Patent: September 18, 2018Assignee: EVONIK DEGUSSA GMBHInventors: Kaiwu Dong, Helfried Neumann, Ralf Jackstell, Matthias Beller, Robert Franke, Dieter Hess, Katrin Marie Dyballa, Dirk Fridag, Frank Geilen