Patents by Inventor Roderich Rottger

Roderich Rottger 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: 20110184210
    Abstract: In the continuous process for preparing alkylamines by reacting C1-4-alkanols with ammonia in the gas phase in the presence of a shape-selective fixed-bed catalyst in a cooled reactor, the shape-selective fixed-bed catalyst is present in a single contiguous fixed bed in the reactor and tubes through which coolants are passed run within the fixed bed to regulate the temperature of the fixed bed.
    Type: Application
    Filed: April 7, 2011
    Publication date: July 28, 2011
    Applicant: BASF SE
    Inventors: Marco Bosch, Roderich Röttger, Bernd Stein, Thomas Krug, Johann-Peter Melder, Theodor Weber
  • Patent number: 7951974
    Abstract: In the continuous process for preparing alkylamines by reacting C1-4-alkanols with ammonia in the gas phase in the presence of a shape-selective fixed-bed catalyst in a cooled reactor, the shape-selective fixed-bed catalyst is present in a single contiguous fixed bed in the reactor and tubes through which coolants are passed run within the fixed bed to regulate the temperature of the fixed bed.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: May 31, 2011
    Assignee: BASF Aktiengesellschaft
    Inventors: Marco Bosch, Roderich Röttger, Bernd Stein, Thomas Krug, Johann-Peter Melder, Theodor Weber
  • Publication number: 20100210877
    Abstract: In the continuous process for preparing alkylamines by reacting C1-4-alkanols with ammonia in the gas phase in the presence of a shape-selective fixed-bed catalyst in a cooled reactor, the shape-selective fixed-bed catalyst is present in a single contiguous fixed bed in the reactor and tubes through which coolants are passed run within the fixed bed to regulate the temperature of the fixed bed.
    Type: Application
    Filed: April 30, 2010
    Publication date: August 19, 2010
    Applicant: BASF Aktiengesellschaft
    Inventors: Marco Bosch, Roderich Röttger, Bernd Stein, Thomas Krug, Johann-Peter Melder, Theodor Weber
  • Patent number: 7754921
    Abstract: Shaped body comprising an aluminosilicate and aluminum oxide, wherein the shaped body has a molar Al/Si ratio in the range from 10 to 30 and an at least bimodal pore distribution for pores having a diameter of greater than 1 nm, with the volume of the pores of the shaped body having a diameter of greater than 10 nm corresponding to at least 40% of the total pore volume of the shaped body, process for producing it and process for the continuous preparation of methylamines by reaction of methanol and/or dimethyl ether with ammonia in the presence of a heterogeneous catalyst, wherein the abovementioned shaped bodies are used as catalyst.
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: July 13, 2010
    Assignee: BASF SE
    Inventors: Marco Bosch, Roderich Röttger, Jan Eberhardt, Thomas Krug, Manfred Julius, Karl-Heínz Roβ, Theodor Weber
  • Patent number: 7714169
    Abstract: In the continuous process for preparing alkylamines by reacting C1-4-alkanols with ammonia in the gas phase in the presence of a shape-selective fixed-bed catalyst in a cooled reactor, the shape-selective fixed-bed catalyst is present in a single contiguous fixed bed in the reactor and tubes through which coolants are passed run within the fixed bed to regulate the temperature of the fixed bed.
    Type: Grant
    Filed: October 27, 2008
    Date of Patent: May 11, 2010
    Assignee: BASF SE
    Inventors: Marco Bosch, Roderich Röttger, Bernd Stein, Thomas Krug, Johann-Peter Melder, Theodor Weber
  • Patent number: 7651968
    Abstract: A process for producing a shaped body comprising a microporous material and at least one silicon-comprising binder, which comprises the steps (I) preparation of a mixture comprising the microporous material, the binder and a lubricant, (II) mixing and densification of the mixture, (III) shaping of the densified mixture to give a shaped body and (IV) calcination of the shaped body, wherein a silicone resin having a softening point of ?30° C. is used as binder, shaped bodies which can be produced by this process, their use as catalyst, in particular in organic synthesis and very particularly preferably in a process for preparing methylamines.
    Type: Grant
    Filed: December 5, 2006
    Date of Patent: January 26, 2010
    Assignee: BASF SE
    Inventors: Marco Bosch, Jan Eberhardt, Roderich Röttger
  • Patent number: 7601875
    Abstract: Preparation of ethyleneamines by reacting monoethanolamine (MEOA) with ammonia in the presence of a catalyst in a reactor (1) and separating the resulting reaction product, where ethylenediamine (EDA) obtained in the separation is reacted in a separate reactor (2) in the presence of a catalyst to give diethylenetriamine (DETA), and the resulting reaction product is passed to the separation of the reaction product resulting from reactor 1.
    Type: Grant
    Filed: July 8, 2004
    Date of Patent: October 13, 2009
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Frauenkron, Holger Evers, Johann-Peter Melder, Roderich Röttger, Markus Siegert, Till Gerlack, Jan Nouwen, Thomas Krug
  • Publication number: 20090005600
    Abstract: A process for producing a shaped body comprising a microporous material and at least one silicon-comprising binder, which comprises the steps (I) preparation of a mixture comprising the microporous material, the binder and a lubricant, (II) mixing and densification of the mixture, (III) shaping of the densified mixture to give a shaped body and (IV) calcination of the shaped body, wherein a silicone resin having a softening point of ?30° C. is used as binder, shaped bodies which can be produced by this process, their use as catalyst, in particular in organic synthesis and very particularly preferably in a process for preparing methylamines.
    Type: Application
    Filed: December 5, 2006
    Publication date: January 1, 2009
    Applicant: BASF SE Patents, Trademarks and Licenses
    Inventors: Marco Bosch, Jan Eberhardt, Roderich Rottger
  • Publication number: 20080255390
    Abstract: Shaped body comprising an aluminosilicate and aluminum oxide, wherein the shaped body has a molar Al/Si ratio in the range from 10 to 30 and an at least bimodal pore distribution for pores having a diameter of greater than 1 nm, with the volume of the pores of the shaped body having a diameter of greater than 10 nm corresponding to at least 40% of the total pore volume of the shaped body, process for producing it and process for the continuous preparation of methylamines by reaction of methanol and/or dimethyl ether with ammonia in the presence of a heterogeneous catalyst, wherein the abovementioned shaped bodies are used as catalyst.
    Type: Application
    Filed: September 21, 2006
    Publication date: October 16, 2008
    Applicant: BASF SE
    Inventors: Marco Bosch, Roderich Rottger, Jan Eberhardt, Thomas Krug, Manfred Julius, Karl-Heinz Ross, Theodor Weber
  • Patent number: 7435855
    Abstract: Process for the continuous synthesis of methylamines by reaction of methanol and/or dimethyl ether with ammonia in the presence of a heterogeneous catalyst, wherein the catalyst used is a shaped body which comprises a microporous material and at least one organosilicon compound as binder and can be produced by a process comprising the steps (I) preparation of a mixture comprising the microporous material, the binder, a pasting agent and a solvent, (II) mixing and densification of the mixture, (III) shaping of the densified mixture to give a shaped body, (IV) drying of the shaped body and (V) calcination of the dried shaped body.
    Type: Grant
    Filed: June 16, 2005
    Date of Patent: October 14, 2008
    Assignee: BASF SE
    Inventors: Marco Bosch, Jan Kurt Eberhardt, Roderich Röttger, Thomas Krug, Johann-Peter Melder
  • Patent number: 7393978
    Abstract: Process for the preparation of ethylenamines, in particular diethylenetriamine (DETA), by continuous reaction of ethylenediamine (EDA) in the presence of a heterogeneous catalyst, where the reaction is carried out in a reaction column.
    Type: Grant
    Filed: July 15, 2004
    Date of Patent: July 1, 2008
    Assignee: BASF Aktiengesellschaft
    Inventors: Matthias Frauenkron, Thomas Krug, Holger Evers, Johann-Peter Melder, Roderich Röttger, Markus Siegert, Till Gerlach, Jan Nouwen, Ellen Dahlhoff, Christian Miller
  • Publication number: 20080033212
    Abstract: Process for the continuous synthesis of methylamines by reaction of methanol and/or dimethyl ether with ammonia in the presence of a heterogeneous catalyst, wherein the catalyst used is a shaped body which comprises a microporous material and at least one organosilicon compound as binder and can be produced by a process comprising the steps (I) preparation of a mixture comprising the microporous material, the binder, a pasting agent and a solvent, (II) mixing and densification of the mixture, (III) shaping of the densified mixture to give a shaped body, (IV) drying of the shaped body and (V) calcination of the dried shaped body.
    Type: Application
    Filed: June 16, 2005
    Publication date: February 7, 2008
    Applicant: BASF Aktiengesellschaft
    Inventors: Marco Bosch, Jan Eberhardt, Roderich Rottger, Thomas Krug, Johann-Peter Melder
  • Publication number: 20070100144
    Abstract: Preparation of ethyleneamines by reacting monoethanolamine (MEOA) with ammonia in the presence of a catalyst in a reactor (1) and separating the resulting reaction product, where ethylenediamine (EDA) obtained in the separation is reacted in a separate reactor (2) in the presence of a catalyst to give diethylenetriamine (DETA), and the resulting reaction product is passed to the separation of the reaction product resulting from reactor 1.
    Type: Application
    Filed: July 8, 2004
    Publication date: May 3, 2007
    Applicant: BASF Aktiengesellschaft
    Inventors: Matthias Frauenkron, Holger Evers, Johann-Peter Melder, Roderich Rottger, Markus Siegert, Till Gerlach, Jan Nouwen, Thomas Krug
  • Publication number: 20060276649
    Abstract: Process for the preparation of ethylenamines, in particular diethylenetriamine (DETA), by continuous reaction of ethylenediamine (EDA) in the presence of a heterogeneous catalyst, where the reaction is carried out in a reaction column.
    Type: Application
    Filed: July 15, 2004
    Publication date: December 7, 2006
    Applicant: BASF Aktiengesellschaft
    Inventors: Matthias Frauenkron, Thomas Krug, Holger Evers, Johann-Peter Melder, Roderich Rottger, Markus Siegert, Till Gerlach, Jan Nouwen, Ellen Dahlhoff, Christian Miller
  • Publication number: 20060079718
    Abstract: In the continuous process for preparing alkylamines by reacting C1-4-alkanols with ammonia in the gas phase in the presence of a shape-selective fixed-bed catalyst in a cooled reactor, the shape-selective fixed-bed catalyst is present in a single contiguous fixed bed in the reactor and tubes through which coolants are passed run within the fixed bed to regulate the temperature of the fixed bed.
    Type: Application
    Filed: November 24, 2003
    Publication date: April 13, 2006
    Applicant: BASF Aktiengesellschaft
    Inventors: Marco Bosch, Roderich Rottger, Bernd Stein, Thomas Krug, Johann-Peter Melder, Theodor Weber