Patents by Inventor Klaus-Diether Wiese
Klaus-Diether Wiese 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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Patent number: 9428433Abstract: The present invention relates to a method and a device for controlling the viscosity of reaction solutions in the hydroformylation of olefin-containing mixtures.Type: GrantFiled: December 9, 2013Date of Patent: August 30, 2016Assignee: Evonik Degussa GmbHInventors: Dirk Fridag, Udo Lenz, Hans-Gerd Lueken, Robert Franke, Markus Rudek, Klaus-Diether Wiese, Soenke Broecker, Markus Priske, Christoph Patalong
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Publication number: 20150299079Abstract: The present invention relates to a method and a device for controlling the viscosity of reaction solutions in the hydroformylation of olefin-containing mixtures.Type: ApplicationFiled: December 9, 2013Publication date: October 22, 2015Applicant: Evonik Degussa GmbHInventors: Dirk FRIDAG, Udo LENZ, Hans-Gerd LUEKEN, Robert FRANKE, Markus RUDEK, Klaus-Diether WIESE, Soenke BROECKER, Markus PRISKE, Christoph PATALONG
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Patent number: 8969628Abstract: The invention relates to a method for enriching a homogenous catalyst from a process flow comprising said homogenous catalyst as a component, wherein the process flow is conducted over at least one membrane and wherein the membrane wholly or partially comprises a polymer that has planar polymer units connected to one another via a rigid link and wherein the linker is contorted, such that at least one planar polymer unit is connected to at least one second planar polymer unit via the link, in a non-co-planar arrangement. The invention furthermore relates to a method for producing tridecanal.Type: GrantFiled: February 23, 2010Date of Patent: March 3, 2015Assignee: Evonik Degussa GmbHInventors: Markus Priske, Goetz Baumgarten, Hans-Gerd Lueken, Alfred Kaizik, Klaus-Diether Wiese, Uwe Ernst, Patrick Muhlack
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Patent number: 8461394Abstract: A process for preparing a C5 aldehyde mixture from a hydrocarbon mixture comprising at least one linear butene by terminal hydroformylation under isomerizing conditions, using a catalyst system comprising rhodium, a bisphosphite ligand, and an amine.Type: GrantFiled: April 28, 2009Date of Patent: June 11, 2013Assignee: Evonik Oxeno GmbHInventors: Hans-Gerd Lueken, Dirk Fridag, Udo Lenz, Hermann-Josef Schulte-Althoff, Klaus-Diether Wiese, Alfred Kaizik, Patrick Muhlack, Wilfried Bueschken, Frank Hoeper
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Patent number: 8404902Abstract: The invention relates to a method for separating 1-butene from C4-containing hydrocarbon mixtures, comprising isobutene and 1-butene, by hydroformylation, wherein the catalytic system used is made of one of the transition metals of the group 8 to 10, preferably rhodium, and a bisphosphite ligand of the formula (I), where X is a divalent substituted or unsubstituted bisalkylene or bisarylene group having one or more heteroatom(s), Y is a divalent substituted or unsubstituted bisarylene or bisalkylene group having one or more heteroatom(s), Z is oxygen or NR9, and R1, R2, R3, R4 are identical or different, substituted or unsubstituted, linked, unlinked or condensed aryl or heteroaryl groups, and R9 is hydrogen or a substituted or unsubstituted alkyl or aryl group having one or more heteroatom(s), wherein the bisphosphite ligand of the formula (I) is used in an excess of a molar ratio of 100:1 to 1:1 to the transition metal, and that with a 1-butene conversion of more than 95% less than 5% of the present isobuteType: GrantFiled: April 28, 2009Date of Patent: March 26, 2013Assignee: Evonik Oxeno GmbHInventors: Burkard Kreidler, Klaus-Diether Wiese, Dieter Hess, Detlef Selent, Armin Boerner
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Patent number: 8226829Abstract: Process for separating a dissolved complex catalyst of a metal of group 4, 5, 6, 7, 8, 9 or 10 of the Periodic Table of the Elements and/or any free organophosphorus ligand present from a nonaqueous hydroformylation reaction mixture which contains an aldehyde product and an organic solvent at least one membrane which is more permeable to the hydroformylation product than to the organophosphorus ligand, the separation being carried out under a carbon monoxide partial vapor pressure of more than 200 kPa.Type: GrantFiled: September 8, 2006Date of Patent: July 24, 2012Assignee: Evonik Oxenc GmbHInventors: Klaus-Diether Wiese, Goetz Baumgarten, Franz-Felix Kuppinger, Oliver Moeller, Dagmara Ortmann, Cornelia Borgmann, Wilfried Bueschken
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Patent number: 8202959Abstract: The present invention relates to a copolymer which contains 3-methylbut-1-ene as a comonomer and which contains ethene or propene as a further monomer, the proportion of the incorporated 3-methylbut-1-ene being 0.1 to 40 mol %, and to a process for preparing such copolymers, the polymerization being performed in the presence of a catalyst which comprises at least one cyclopentadienyl group.Type: GrantFiled: April 27, 2011Date of Patent: June 19, 2012Assignee: Evonik Oxeno GmbHInventors: Michael Grass, Franz Nierlich, Walter Kaminsky, Stefanie Derlin, Klaus-Diether Wiese, Dagmara Ortmann
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Patent number: 8143468Abstract: The present invention relates to the preparation of 3-methylbut-1-ene from a hydrocarbon stream I comprising isobutene by feeding a hydrocarbon stream II which comprises at least 70% by mass of isobutene in relation to the olefins present in the hydrocarbon stream and which has been obtained from hydrocarbon stream I or is identical to it to a process step for hydroformylation in which isobutene is hydroformylated in the presence of a rhodium catalyst, hydrogenating the aldehyde obtained from the hydroformylation of isobutene to the corresponding alcohol and preparing 3-methylbut-1-ene by water elimination from the alcohol.Type: GrantFiled: May 11, 2007Date of Patent: March 27, 2012Assignee: Evonik Oxeno GmbHInventors: Alfred Kaizik, Klaus-Diether Wiese, Dietrich Maschmeyer, Dieter Hess, Wilfried Bueschken, Franz Nierlich
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Patent number: 8138293Abstract: The present invention relates to a copolymer which contains 3-methylbut-1-ene as a comonomer and which contains ethene or propene as a further monomer, the proportion of the incorporated 3-methylbut-1-ene being 0.1 to 40 mol %, and to a process for preparing such copolymers, the polymerization being performed in the presence of a catalyst which comprises at least one cyclopentadienyl group.Type: GrantFiled: May 11, 2007Date of Patent: March 20, 2012Assignee: Evonik Oxeno GmbHInventors: Michael Grass, Franz Nierlich, Walter Kaminsky, Stefanie Derlin, Klaus-Diether Wiese, Dagmara Ortmann
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Publication number: 20120046503Abstract: The invention relates to a method for enriching a homogenous catalyst from a process flow comprising said homogenous catalyst as a component, wherein the process flow is conducted over at least one membrane and wherein the membrane wholly or partially comprises a polymer that has planar polymer units connected to one another via a rigid link and wherein the linker is contorted, such that at least one planar polymer unit is connected to at least one second planar polymer unit via the link, in a non-co-planar arrangement. The invention furthermore relates to a method for producing tridecanal.Type: ApplicationFiled: February 23, 2010Publication date: February 23, 2012Applicant: Evonik Oxeno GmbHInventors: Markus Priske, Goetz Baumgarten, Hans-Gerd Lueken, Alfred Kaizik, Klaus-Diether Wiese, Uwe Ernst, Patrick Muhlack
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Patent number: 8003816Abstract: The invention relates to a bisphosphite of the formula I where X=a divalent substituted or unsubstituted bisalkylene or bisarylene radical, Y=a divalent substituted or unsubstituted bisarylene or bisalkylene radical, Z=oxygen or NR9, and R1, R2, R3, R4 are identical or different, substituted or unsubstituted, linked, unlinked or fused aryl or heteroaryl radicals and R9 is hydrogen or a substituted or unsubstituted alkyl or aryl radical, a process for preparing it and also the use of this phosphite in catalysis in particular in the catalytic hydroformylation of olefins or organic compounds having C—C double bonds.Type: GrantFiled: November 13, 2007Date of Patent: August 23, 2011Assignee: Evonik Oxeno GmbHInventors: Detlef Selent, Armin Boerner, Burkard Kreidler, Dieter Hess, Klaus-Diether Wiese
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Publication number: 20110201767Abstract: The present invention relates to a copolymer which contains 3-methylbut-1-ene as a comonomer and which contains ethene or propene as a further monomer, the proportion of the incorporated 3-methylbut-1-ene being 0.1 to 40 mol %, and to a process for preparing such copolymers, the polymerization being performed in the presence of a catalyst which comprises at least one cyclopentadienyl group.Type: ApplicationFiled: April 27, 2011Publication date: August 18, 2011Applicant: Evonik Oxeno GmbHInventors: Michael Graß, Franz Nierlich, Walter Kaminsky, Stefanie Derlin, Klaus-Diether Wiese, Dagmara Ortmann
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Publication number: 20110130595Abstract: A process for preparing a C5 aldehyde mixture from a hydrocarbon mixture comprising at least one linear butene by terminal hydroformylation under isomerizing conditions, using a catalyst system comprising rhodium, a bisphosphite ligand, and an amine.Type: ApplicationFiled: April 28, 2009Publication date: June 2, 2011Applicant: Evonik Oxeno GmbHInventors: Hans-Gerd Lueken, Dirk Fridag, Udo Lenz, Hermann-Josef Schulte-Althoff, Klaus-Diether Wiese, Alfred Kaizik, Patrick Muhlack, Wilfried Bueschken, Frank Hoeper
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Publication number: 20110071321Abstract: The invention relates to a method for separating 1-butene from C4-containing hydrocarbon mixtures, comprising isobutene and 1-butene, by hydroformylation, wherein the catalytic system used is made of one of the transition metals of the group 8 to 10, preferably rhodium, and a bisphosphite ligand of the formula (I), where X is a divalent substituted or unsubstituted bisalkylene or bisarylene group having one or more heteroatom(s), Y is a divalent substituted or unsubstituted bisarylene or bisalkylene group having one or more heteroatom(s), Z is oxygen or NR9, and R1, R2, R3, R4 are identical or different, substituted or unsubstituted, linked, unlinked or condensed aryl or heteroaryl groups, and R9 is hydrogen or a substituted or unsubstituted alkyl or aryl group having one or more heteroatom(s), wherein the bisphosphite ligand of the formula (I) is used in an excess of a molar ratio of 100:1 to 1:1 to the transition metal, and that with a 1-butene conversion of more than 95% less than 5% of the present isobuteType: ApplicationFiled: April 28, 2009Publication date: March 24, 2011Applicant: EVONIK OXENO GMBHInventors: Burkard Kreidler, Klaus-Diether Wiese, Dieter Hess, Detlef Selent, Armin Boerner
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Patent number: 7767861Abstract: The present invention relates to a process for preparing organophosphites, organophosphonites and organophosphinites by condensing phosphorus trihalides or organophosphorus halides with organic compounds bearing hydroxyl groups in the presence of polymeric basic ion exchange resins. The process according to the invention makes possible in a simple manner the preparation of trivalent organophosphorus compounds which may be used, for example, as ligands in rhodium complexes which may be used as a catalyst in hydroformylation.Type: GrantFiled: October 29, 2004Date of Patent: August 3, 2010Assignee: Evonik Oxeno GmbHInventors: Dagmara Ortmann, Klaus-Diether Wiese, Oliver Moller, Dirk Fridag
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Publication number: 20100137623Abstract: The present invention relates to the preparation and use of stable catalyst precursors of rhodium complex catalysts.Type: ApplicationFiled: March 19, 2008Publication date: June 3, 2010Applicant: EVONIK OXENO GMBHInventors: Detlef Selent, Armin Boerner, Klaus-Diether Wiese, Dieter Hess, Dirk Fridag
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Publication number: 20100036143Abstract: The invention relates to a bisphosphite of the formula I where X=a divalent substituted or unsubstituted bisalkylene or bisarylene radical, Y=a divalent substituted or unsubstituted bisarylene or bisalkylene radical, Z=oxygen or NR9, and R1, R2, R3, R4 are identical or different, substituted or unsubstituted, linked, unlinked or fused aryl or heteroaryl radicals and R9 is hydrogen or a substituted or unsubstituted alkyl or aryl radical, a process for preparing it and also the use of this phosphite in catalysis in particular in the catalytic hydroformylation of olefins or organic compounds having C—C double bonds.Type: ApplicationFiled: November 13, 2007Publication date: February 11, 2010Applicant: Evonik Oxeno GmbHInventors: Detlef Selent, Armin Boerner, Burkard Kreidler, Dieter Hess, Klaus-Diether Wiese
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Publication number: 20090292146Abstract: The present invention relates to the preparation and use of stable catalyst precursors of rhodium complex catalysts.Type: ApplicationFiled: May 29, 2007Publication date: November 26, 2009Applicant: Evonik Oxeno GmbHInventors: Dieter Hess, Klaus-Diether Wiese, Oliver Moeller, Dirk Fridag, Detlef Selent
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Publication number: 20090203858Abstract: The present invention relates to a copolymer which contains 3-methylbut-1-ene as a comonomer and which contains ethene or propene as a further monomer, the proportion of the incorporated 3-methylbut-1-ene being 0.1 to 40 mol %, and to a process for preparing such copolymers, the polymerization being performed in the presence of a catalyst which comprises at least one cyclopentadienyl group.Type: ApplicationFiled: May 11, 2007Publication date: August 13, 2009Applicant: EVONIK OXENO GMBHInventors: Michael Grass, Franz Nierlich, Walter Kaminsky, Stefanie Derlin, Klaus-Diether Wiese, Dagmara Ortmann
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Publication number: 20090163687Abstract: The present invention relates to the preparation of 3-methylbut-1-ene from a hydrocarbon stream I comprising isobutene by feeding a hydrocarbon stream II which comprises at least 70% by mass of isobutene in relation to the olefins present in the hydrocarbon stream and which has been obtained from hydrocarbon stream I or is identical to it to a process step for hydroformylation in which isobutene is hydroformylated in the presence of a rhodium catalyst, hydrogenating the aldehyde obtained from the hydroformylation of isobutene to the corresponding alcohol and preparing 3-methylbut-1-ene by water elimination from the alcohol.Type: ApplicationFiled: May 11, 2007Publication date: June 25, 2009Applicant: Evonik Oxeno GmbHInventors: Alfred Kaizik, Klaus-Diether Wiese, Dietrich Maschmeyer, Dieter Hess, Wilfried Büschken, Franz Nierlich