Patents by Inventor Michael Traving
Michael Traving 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: 20230203067Abstract: The invention relates to a method for producing at least one metal amino alcoholate, at least comprising the following steps (A) providing at least one amino alcohol, (B) adding at least one basic compound to the at least one amino alcohol provided in step (A) in order to obtain at least one corresponding amino alcoholate, and (C) adding at least one metal halogenide to the mixture obtained in step (C) in order to obtain a corresponding metal amino alcoholate, wherein in step (C) the at least one metal halogenide is added as a solution in a protic solvent at a concentration of 2.0 to 35.0 wt. %; a solution containing at least one metal alcoholate obtained in this manner; the use of the solution to produce a composition; a corresponding composition; the use of said composition to produce single- or multi-layer paint structures; a method for single- or multi-layer coating of a substrate with a paint structure; and a substrate coated in this manner.Type: ApplicationFiled: June 4, 2021Publication date: June 29, 2023Inventors: Frank Richter, Michael Traving, Joerg Kolle, Klaus Lorenz
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Publication number: 20220411578Abstract: A process for continuous production of polyether carbonate polyols by the addition of alkylene oxide and carbon dioxide in the presence of a DMC catalyst or a metal complex catalyst based on the metals cobalt and/or zinc, onto an H-functional starter substance is provided. Wherein (?) the H-functional starter substance, alkylene oxide and catalyst are continuously metered into the reaction during the addition and the resulting reaction mixture is continuously discharged from the reactor, wherein (i) before step (?), a suspension of catalyst in suspension medium and/or H-functional starter substance in the reactor is adjusted to a temperature T1 ranging from 100° C. to 150° C., wherein T1 is at least 10% above a temperature T2 and T2 is a temperature ranging from 50° C. to 135° C., and (ii) from commencement of the addition of alkylene oxide in step (?) the temperature is continuously reduced to the temperature T2.Type: ApplicationFiled: November 30, 2020Publication date: December 29, 2022Inventors: Stefanie Braun, Joerg Hofmann, Michael Traving
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Patent number: 11219888Abstract: Provided is a method for preparing a solution B comprising at least one catalyst in at least one second solvent, comprising at least the following steps of (A) providing a solution A comprising the at least one catalyst in at least one first solvent, (B) treating the solution A from step (A) with activated carbon, (C) removing the activated carbon from the solution A, and (D) exchanging the at least one first solvent in solution A for at least one second solvent in order to obtain the solution B comprising the at least one catalyst in at least one second solvent, to a solution of at least one catalyst in at least one second solvent, obtainable by the method according to the invention, to the use of this solution for preparing a composition comprising the at least one catalyst, the at least one second solvent, at least one polyisocyanate and at least one NCO-reactive compound, to the use of this composition for producing a single-layered or multi-layered coating system and a corresponding process.Type: GrantFiled: July 24, 2020Date of Patent: January 11, 2022Assignee: Covestro Intellectual Property GmbH & Co. KGInventors: Michael Traving, Holger Rosellen, Salvatore Manzelli, Cosimo Calandrelli, Stephan Reimer, Frank Richter, Joerg Kolle
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Publication number: 20210371364Abstract: The present inventions relates to the preparation of 3,3,5-trimethylcyclohexylidene bisphenol. Especially, the present invention relates to the preparation of 3,3,5-trimethylcyclohexylidene bisphenol from 3,3,5-trimethylcyclohexanone and phenol in the presence of a gaseous acidic catalyst. The preparation is preferably conducted continuously.Type: ApplicationFiled: October 4, 2019Publication date: December 2, 2021Inventors: Kristof HEYLEN, Johan VANDEN EYNDE, Erik SLUYTS, Konstantinos METAXAS, Franz BEGGEL, Michael TRAVING
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Publication number: 20210340089Abstract: The present invention relates to the preparation of 3,3,5-trimethylcyclohexylidene bisphenol (BP-TMC). Especially, the present invention relates to the preparation of 3,3,5-trimethylcyclohexylidene bisphenol (BP-TMC) from 3,3,5-trimethylcyclohexanone (TMC-one) and phenol in the presence of a gaseous acidic catalyst. The preparation is preferably conducted continuously. It is an object of the present invention to prevent that solids, especially crystallized BP-TMC, more especially crystallized BP-TMC-phenol-adduct, block the outlet of the dosing valve for the gaseous acidic acid when the gaseous acidic acid is dosed into the reaction mixture comprising TMC-one and phenol in a reaction vessel.Type: ApplicationFiled: August 15, 2019Publication date: November 4, 2021Inventors: Johan Vanden Eynde, Erik Sluyts, Kristof Heylen, Michael Traving, Volker Michele
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Publication number: 20210054145Abstract: A process for preparing polyethercarbonate polyols by adding alkylene oxide and carbon dioxide onto an H-functional starter substance, wherein, (a) a reactor is initially charged with a portion of H-functional starter substance, optionally together with DMC catalyst and (?) an H-functional starter substance and a suspension medium having no H-functional groups are metered continuously into the reactor during the reaction.Type: ApplicationFiled: February 13, 2019Publication date: February 25, 2021Inventors: Joerg Hofmann, Stefanie Braun, Michael Traving
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Publication number: 20210023544Abstract: Provided is a method for preparing a solution B comprising at least one catalyst in at least one second solvent, comprising at least the following steps of (A) providing a solution A comprising the at least one catalyst in at least one first solvent, (B) treating the solution A from step (A) with activated carbon, (C) removing the activated carbon from the solution A, and (D) exchanging the at least one first solvent in solution A for at least one second solvent in order to obtain the solution B comprising the at least one catalyst in at least one second solvent, to a solution of at least one catalyst in at least one second solvent, obtainable by the method according to the invention, to the use of this solution for preparing a composition comprising the at least one catalyst, the at least one second solvent, at least one polyisocyanate and at least one NCO-reactive compound, to the use of this composition for producing a single-layered or multi-layered coating system and a corresponding process.Type: ApplicationFiled: July 24, 2020Publication date: January 28, 2021Inventors: Michael Traving, Holger Rosellen, Salvatore Manzelli, Cosimo Calandrelli, Stephan Reimer, Frank Richter, Joerg Kolle
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Patent number: 10836858Abstract: The invention relates to a method for producing polyether carbonate polyols by adding alkylene oxides and carbon dioxide to an H-functional starter substance in the presence of a double metal cyanide (DMC) catalyst or in the presence of a metal complex catalyst based on the metals zinc and/or cobalt, wherein (?) alkylene oxide and carbon dioxide are added to an H-functional starter substance in a reactor with a total pressure (absolute) of 5 to 120 bar in the presence of a double metal cyanide catalyst or in the presence of a metal complex catalyst based on the metals zinc and/or cobalt, and a reaction mixture containing the polyether carbonate polyol is obtained, (?) the reaction mixture obtained in step (?) remains in the reactor or is optionally continuously transferred to a downstream reactor at a starting total pressure (absolute) of 5 to 120 bar, the content of free alkylene oxide in the reaction mixture being reduced in the course of a downstream reaction in each case, and the total pressure (absolute)Type: GrantFiled: June 20, 2017Date of Patent: November 17, 2020Assignee: Covestro Deutschland AGInventors: Jörg Hofmann, Urs Rauwald, Stefanie Braun, Matthias Wohak, Hartmut Nefzger, Nicole Welsch, Aurel Wolf, Michael Traving, Lars Krueger
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Publication number: 20190322801Abstract: The invention relates to a method for producing polyether carbonate polyols by adding alkylene oxides and carbon dioxide to an H-functional starter substance in the presence of a double metal cyanide (DMC) catalyst or in the presence of a metal complex catalyst based on the metals zinc and/or cobalt, wherein (?) alkylene oxide and carbon dioxide are added to an H-functional starter substance in a reactor with a total pressure (absolute) of 5 to 120 bar in the presence of a double metal cyanide catalyst or in the presence of a metal complex catalyst based on the metals zinc and/or cobalt, and a reaction mixture containing the polyether carbonate polyol is obtained, (?) the reaction mixture obtained in step (?) remains in the reactor or is optionally continuously transferred to a downstream reactor at a starting total pressure (absolute) of 5 to 120 bar, the content of free alkylene oxide in the reaction mixture being reduced in the course of a downstream reaction in each case, and the total pressure (absolute)Type: ApplicationFiled: June 20, 2017Publication date: October 24, 2019Inventors: Jörg HOFMANN, Urs RAUWALD, Stefanie BRAUN, Matthias WOHAK, Hartmut NEFZGER, Nicole WELSCH, Aurel WOLF, Michael TRAVING, Lars KRUEGER
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Patent number: 10208162Abstract: The present invention relates to a method for producing polyether carbonate polyols by addition of one or more alkylene oxides and carbon dioxide to one or more H-functional starter substances in the presence of at least one DMC catalyst, in which the reaction is conducted in a main reactor (8) and a tubular reactor (11, 17) connected as a post reactor downstream thereof, wherein the method is characterized in that at the outlet (13) of the tubular reactor (11, 17) a temperature is set that is at least 10° C. above the temperature in the inside of the main reactor (8). The invention further relates to a device for carrying out said method.Type: GrantFiled: June 30, 2015Date of Patent: February 19, 2019Assignee: COVESTRO DEUTSCHLAND AGInventors: Stefanie Braun, Horst Zwick, Matthias Wohak, Jörg Hofmann, Aurel Wolf, Michael Traving, Rolf Bachmann
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Patent number: 10040901Abstract: The invention relates to a method for producing polyether carbonate polyols by binding alkylene oxides and carbon dioxide to one or more H-functional starter substance/s in the presence of a double metal cyanide (DMC) catalyst, characterized in that (y) one or more H-functional starter substance/s and DMC catalyst are continuously metered into the reactor during the binding process, and the free alkylene oxide concentration in the reaction mixture amounts to 1.5 to 5.0 wt %, and the obtained reaction mixture is continuously discharged from the reactor.Type: GrantFiled: June 30, 2015Date of Patent: August 7, 2018Assignee: COVESTRO DEUTSCHLAND AGInventors: Jörg Hofmann, Stefanie Braun, Kai Laemmerhold, Aurel Wolf, Michael Traving
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Publication number: 20170198092Abstract: The present invention relates to a method for producing polyether carbonate polyols by addition of one or more alkylene oxides and carbon dioxide to one or more H-functional starter substances in the presence of at least one DMC catalyst, in which the reaction is conducted in a main reactor (8) and a tubular reactor (11, 17) connected as a post reactor downstream thereof, wherein the method is characterized in that at the outlet (13) of the tubular reactor (11, 17) a temperature is set that is at least 10° C. above the temperature in the inside of the main reactor (8). The invention further relates to a device for carrying out said method.Type: ApplicationFiled: June 30, 2015Publication date: July 13, 2017Inventors: Stefanie Braun, Horst Zwick, Matthias Wohak, Jörg Hofmann, Aurel Wolf, Michael Traving, Rolf Bachmann
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Publication number: 20170137569Abstract: The invention relates to a method for producing polyether carbonate polyols by binding alkylene oxides and carbon dioxide to one or more H-functional starter substance/s in the presence of a double metal cyanide (DMC) catalyst, characterized in that (y) one or more H-functional starter substance/s and DMC catalyst are continuously metered into the reactor during the binding process, and the free alkylene oxide concentration in the reaction mixture amounts to 1.5 to 5.0 wt %, and the obtained reaction mixture is continuously discharged from the reactor.Type: ApplicationFiled: June 30, 2015Publication date: May 18, 2017Inventors: Jörg Hofmann, Stefanie Braun, Kai Laemmerhold, Aurel Wolf, Michael Traving
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Patent number: 8882984Abstract: A process for preparing diaryl carbonate and utilizing at least part of the process wastewater by increasing the concentration of the wastewater phases containing sodium chloride for the electrolysis by means of osmotic membrane distillation with simultaneous dilution of the sodium hydroxide solution obtained from the electrolysis for the diaryl carbonate production process (diphenyl carbonate process) is described.Type: GrantFiled: April 13, 2010Date of Patent: November 11, 2014Assignee: Bayer MaerialScience AGInventors: Pieter Ooms, Andreas Bulan, Johann Rechner, Rainer Weber, Michael Traving, Marc Buts, Johan Vanden Eynde
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Patent number: 8354028Abstract: A method for separating electrolyte-containing water from an organic phase by means of permeation on a hydrophobic separating means. The permeated organic solution is substantially depleted in water and the retained water is enriched with electrolytes.Type: GrantFiled: October 22, 2007Date of Patent: January 15, 2013Assignee: Bayer Material Science AGInventors: Helmut Meyer, Guido Naberfeld, Johann Rechner, Rafael Warsitz, Michael Traving, Werner Bäcker, Thomas Elsner, Arno Nennemann, Stephan Bahnmuler, Gerhard Langstein, Julia Hitzbleck, Patrick Theato, Daniel Kessler, Daniel-Gordon Duff, Sascha Plug
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Patent number: 8252161Abstract: Method for improving selectivity and productivity during purification of charged macromolecules and particles by electrofiltration by means of membranes in the electric filed. The ratio between the electric field and the permeate flow through the membrane is kept constant.Type: GrantFiled: March 6, 2006Date of Patent: August 28, 2012Assignee: Bayer Technology Services GmbHInventors: Gregor Dudziak, Michael Traving, Martina Mutter
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Patent number: 8106144Abstract: A process is described for producing polycarbonate and utilizing at least some of the process waste water by concentrating the sodium chloride-containing waste water phases for the electrolysis using osmotic membrane distillation, if appropriate with simultaneous dilution of the sodium hydroxide solution obtained from the electrolysis for the polycarbonate production process.Type: GrantFiled: May 21, 2010Date of Patent: January 31, 2012Assignee: Bayer MaterialScience AGInventors: Pieter Ooms, Andreas Bulan, Rainer Weber, Johann Rechner, Michael Traving
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Publication number: 20100324256Abstract: A process is described for producing polycarbonate and utilizing at least some of the process waste water by concentrating the sodium chloride-containing waste water phases for the electrolysis using osmotic membrane distillation, if appropriate with simultaneous dilution of the sodium hydroxide solution obtained from the electrolysis for the polycarbonate production process.Type: ApplicationFiled: May 21, 2010Publication date: December 23, 2010Applicant: Bayer MaterialsScience AGInventors: Pieter Ooms, Andreas Bulan, Rainer Weber, Johann Rechner, Michael Traving
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Publication number: 20100286431Abstract: A process for preparing diaryl carbonate and utilizing at least part of the process wastewater by increasing the concentration of the wastewater phases containing sodium chloride for the electrolysis by means of osmotic membrane distillation with simultaneous dilution of the sodium hydroxide solution obtained from the electrolysis for the diaryl carbonate production process (diphenyl carbonate process) is described.Type: ApplicationFiled: April 13, 2010Publication date: November 11, 2010Applicant: Bayer MaterialScience AGInventors: Pieter Ooms, Andreas Bulan, Johann Rechner, Rainer Weber, Michael Traving, Marc Buts, Johan Vanden Eynde
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Publication number: 20100145108Abstract: The invention relates to an industrial process for purifying the product mixture of a transesterification reaction with a polar, electrolyte-containing organic phase, in which the electrolytes are removed from the permeating polar organic phase by means of a nanofiltration step.Type: ApplicationFiled: April 10, 2008Publication date: June 10, 2010Applicant: BAYER TECHNOLOGY SERVICES GMBHInventors: Michael Traving, Johannes-Peter Schaefer, Rafael Warsitz, Waldemar Widuch, Werner Bäcker, Uwe Spörer