Patents by Inventor Andreas Walch

Andreas Walch 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).

  • Patent number: 10434503
    Abstract: The present invention relates to A process for the production of a molding, comprising (I) providing a zeolitic material; (II) mixing the zeolitic material provided in step (I) with one or more binders; (III) kneading of the mixture obtained in step (II); (IV) molding of the kneaded mixture obtained in step (III) to obtain one or more moldings; (V) drying of the one or more moldings obtained in step (IV); and (VI) calcining of the dried molding obtained in step (V); wherein the zeolitic material provided in step (I) displays a water adsorption ranging from 1 to 15 wt.-% when exposed to a relative humidity of 85%, as well as to a molding obtainable or obtained according to the inventive process in addition to a molding per se and to their respective use.
    Type: Grant
    Filed: October 22, 2014
    Date of Patent: October 8, 2019
    Assignee: BASF SE
    Inventors: Andrei-Nicolae Parvulescu, Ulrich Mueller, Hans-Juergen Luetzel, Joaquim Henrique Teles, Dominic Riedel, Bianca Seelig, Daniel Urbanczyk, Ulrike Wegerle, Michael Hesse, Andreas Walch, Volker Bendig, Veit Stegmann, Henning Althoefer, Boris Gaspar, Frank Stallmach, Anne Kristin Pusch
  • Publication number: 20160250624
    Abstract: The present invention relates to A process for the production of a molding, comprising (I) providing a zeolitic material; (II) mixing the zeolitic material provided in step (I) with one or more binders; (III) kneading of the mixture obtained in step (II); (IV) molding of the kneaded mixture obtained in step (III) to obtain one or more moldings; (V) drying of the one or more moldings obtained in step (IV); and (VI) calcining of the dried molding obtained in step (V); wherein the zeolitic material provided in step (I) displays a water adsorption ranging from 1 to 15 wt.-% when exposed to a relative humidity of 85%, as well as to a molding obtainable or obtained according to the inventive process in addition to a molding per se and to their respective use.
    Type: Application
    Filed: October 22, 2014
    Publication date: September 1, 2016
    Applicant: BASF SE
    Inventors: Andrei-Nicolae PARVULESCU, Ulrich MUELLER, Hans-Juergen LUETZEL, Joaquim Henrique TELES, Dominic RIEDEL, Bianca SEELIG, Daniel URBANCZYK, Ulrike WEGERLE, Michael HESSE, Andreas WALCH, Volker BENDIG, Veit STEGMANN, Henning ALTHOEFER, Boris GASPAR, Frank STALLMACH, Anne Kristin PUSCH
  • Patent number: 8546591
    Abstract: The present invention relates to a process for the preparation of cis-2-(2-methylprop-1-enyl)-4-methyltetrahydropyran comprising the catalytic hydrogenation of 2-(2-methylprop-1-enyl)-4-methylenetetrahydropyran in the presence of hydrogen and a heterogeneous catalyst comprising ruthenium on a support and subsequently bringing the compounds obtained in this way into contact with a strongly acidic cation exchanger.
    Type: Grant
    Filed: December 17, 2008
    Date of Patent: October 1, 2013
    Assignee: BASF SE
    Inventors: Lucia Koenigsmann, Juergen Schubert, Andreas Walch, Guenther Gottwald, Martin Kamasz, Ekkehard Schwab, Klaus-Peter Pfaff, Michael Slany
  • Publication number: 20100311988
    Abstract: The present invention relates to a process for the preparation of cis-2-(2-methylprop-1-enyl)-4-methyltetrahydropyran comprising the catalytic hydrogenation of 2-(2-methylprop-1-enyl)-4-methylenetetrahydropyran in the presence of hydrogen and a heterogeneous catalyst comprising ruthenium on a support and subsequently bringing the compounds obtained in this way into contact with a strongly acidic cation exchanger.
    Type: Application
    Filed: December 17, 2008
    Publication date: December 9, 2010
    Applicant: BASF SE
    Inventors: Lucia Koenigsmann, Juergen Schubert, Andreas Walch, Guenther Gottwald, Martin Kamasz, Ekkehard Schwab, Klaus-Peter Pfaff, Michael Slany
  • Publication number: 20040152583
    Abstract: A process for regenerating a zeolite catalyst comprises the following stages:
    Type: Application
    Filed: January 22, 2004
    Publication date: August 5, 2004
    Applicant: BASF Aktiengesellschaft
    Inventors: Georg Heinrich Grosch, Ulrich Mueller, Andreas Walch, Norbert Rieber, Wolfgang Harder
  • Patent number: 6740616
    Abstract: A process for preparing glycol monoethers from olefins comprises reacting the olefins with an epoxidizing reagent in the simultaneous presence of hydroxyl-containing organic compounds over a mixture of epoxidation catalysts and alkoxylation catalysts.
    Type: Grant
    Filed: March 7, 2001
    Date of Patent: May 25, 2004
    Assignee: Oxeno Olefinchemie GmbH
    Inventors: Ulrich Müller, Georg Heinrich Grosch, Andreas Walch, Norbert Rieber
  • Patent number: 6727371
    Abstract: In a continuous process for reacting an organic compound with hydroperoxide in the presence of a catalyst, the reaction is carried out in a reactor assembly comprising at least two reactors connected in parallel.
    Type: Grant
    Filed: September 30, 2002
    Date of Patent: April 27, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulrich Müller, Joaquim Henrique Teles, Norbert Rieber, Andreas Walch, Peter Bassler, Alwin Rehfinger, Anne Wenzel, Wolfgang Harder
  • Patent number: 6710002
    Abstract: A process for regenerating a zeolite catalyst comprises the following stages: (I) Heating a partially or completely deactivated catalyst to 250-600° C. in an atmosphere which contains less than 2% by volume of oxygen, (II) treating the catalyst at from 250 to 800° C., preferably from 350 to 600° C., with a gas stream which contains from 0.1 to 4% by volume of an oxygen-donating substance or of oxygen or of a mixture of two or more thereof, and (III) treating the catalyst at from 250 to 800° C., preferably from 350 to 600° C., with a gas stream which contains from more than 4 to 100% by volume of an oxygen-donating substance or of oxygen or of a mixture of two or more thereof.
    Type: Grant
    Filed: February 4, 2002
    Date of Patent: March 23, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Georg Heinrich Grosch, Ulrich Mueller, Andreas Walch, Norbert Rieber, Wolfgang Harder
  • Patent number: 6673950
    Abstract: In a process for reacting an organic compound with a hydroperoxide using at least one heterogeneous catalyst, both the pH and the temperate of the reaction medium are changed during the reaction
    Type: Grant
    Filed: February 1, 2002
    Date of Patent: January 6, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Joaquim Henrique Teles, Alwin Rehfinger, Peter Bassler, Norbert Rieber, Anne Wenzel, Andreas Walch, Wolfgang Harder
  • Publication number: 20030050487
    Abstract: In a continuous process for reacting an organic compound with hydroperoxide in the presence of a catalyst, the reaction is carried out in a reactor assembly comprising at least two reactors connected in parallel.
    Type: Application
    Filed: September 30, 2002
    Publication date: March 13, 2003
    Inventors: Ulrich Muller, Joaquim Henrique Teles, Norbert Rieber, Andreas Walch, Peter Bassler, Alwin Rehfinger, Anne Wenzel, Wolfgang Harder
  • Patent number: 6518441
    Abstract: A process for oxidizing an organic compound having at least one C—C double bond or a mixture of two or more thereof comprises the following steps: (I) preparing a hydroperoxide, (II) reacting an organic compound having at least one C—C double bond or a mixture of two or more thereof with the hydroperoxide prepared in step (I) in the presence of a zeolite catalyst, (III) regenerating the at least partially deactivated zeolite catalyst used in step (II), and (IV) conducting the reaction of step (II) using a zeolite catalyst containing the catalyst regenerated in step (III).
    Type: Grant
    Filed: December 6, 1999
    Date of Patent: February 11, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Georg Heinrich Grosch, Ulrich Müller, Andreas Walch, Norbert Rieber, Martin Fischer, Stefan Quaiser, Wolfgang Harder, Karsten Eller, Peter Bassler, Anne Wenzel, Gerd Kaibel, Achim Stammer, Jochem Henkelmann, Arnd Böttcher, Joaquim Henrique Teles, Michael Schulz, Gert Treiber
  • Patent number: 6491861
    Abstract: A process for the production of a molding containing at least one zeolite, wherein the at least one zeolite contains a titanium-, zirconium-, chromium-, niobium-, iron- or vanadium-containing zeolite: (I) adding a mixture consisting of at least one alcohol selected from the group consisting of methanol, ethanol, propanol or butanol, and water to a mixture containing said zeolite or a mixture of two or more thereof, and (II) kneading, molding, drying and calcining the mixture from (I); wherein the molding is useful as a catalyst, particularly in epoxidation reactions.
    Type: Grant
    Filed: December 6, 1999
    Date of Patent: December 10, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Georg Heinrich Grosch, Ulrich Müller, Andreas Walch, Norbert Rieber, Wolfgang Harder
  • Patent number: 6479680
    Abstract: A process for the reaction of an organic compound with a hydroperoxide comprises at least the steps (i) to (iii) below: (i) reaction of the hydroperoxide with the organic compound to give a mixture comprising the reacted organic compound and unreacted hydroperoxide, (ii) separation of the unreacted hydroperoxide from the mixture resulting from step (i), (iii) reaction of the hydroperoxide separated off in step (ii) with the organic compound.
    Type: Grant
    Filed: February 7, 2001
    Date of Patent: November 12, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Bassler, Wolfgang Harder, Peter Resch, Norbert Rieber, Wilhelm Ruppel, Joaquim Henrique Teles, Andreas Walch, Anne Wenzel, Peter Zehner
  • Publication number: 20020120158
    Abstract: A process for oxidizing an organic compound having at least one C—C double bond or a mixture of two or more thereof comprises the following steps:
    Type: Application
    Filed: December 6, 1999
    Publication date: August 29, 2002
    Inventors: GEORG HEINRICH GROSCH, ULRICH MULLER, ANDREAS WALCH, NORBERT RIEBER, MARTIN FISCHER, STEFAN QUAISER, WOLFGANG HARDER, KARSTEN ELLER, PETER BASSLER, ANNE WENZEL, GERD KAIBEL, ACHIM STAMMER, JOCHEM HENKELMANN, ARND BOTTCHER, JOAQUIN HENRIQUE TELES, MICHAEL SCHULZ, GERT TREIBER
  • Publication number: 20020082159
    Abstract: A process for regenerating a zeolite catalyst comprises the following stages:
    Type: Application
    Filed: February 4, 2002
    Publication date: June 27, 2002
    Applicant: BASF Aktiengesellschaft
    Inventors: Georg Heinrich Grosch, Ulrich Mueller, Andreas Walch, Norbert Rieber, Wolfgang Harder
  • Patent number: 6380119
    Abstract: A process for regenerating a zeolite catalyst comprises the following stages: (I) Heating a partially or completely deactivated catalyst to 250-600° C. in an atmosphere which contains less than 2% by volume of oxygen, (II) treating the catalyst at from 250 to 800° C., preferably from 350 to 600° C., with a gas stream which contains from 0.1 to 4% by volume of an oxygen-donating substance or of oxygen or of a mixture of two or more thereof, and (III) treating the catalyst at from 250 to 800° C., preferably from 350 to 600° C., with a gas stream which contains from more than 4 to 100% by volume of an oxygen-donating substance or of oxygen or of a mixture of two or more thereof.
    Type: Grant
    Filed: January 13, 2000
    Date of Patent: April 30, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Georg Heinrich Grosch, Ulrich Müller, Andreas Walch, Norbert Rieber, Wolfgang Harder
  • Publication number: 20010011148
    Abstract: A process for preparing glycol monoethers from olefins comprises reacting the olefins with an epoxidizing reagent in the simultaneous presence of hydroxyl-containing organic compounds over a mixture of epoxidation catalysts and alkoxylation catalysts.
    Type: Application
    Filed: March 7, 2001
    Publication date: August 2, 2001
    Applicant: BASF Aktiengesellschaft
    Inventors: Ulrich Mueller, Georg Grosch, Andreas Walch, Norbert Reiber
  • Patent number: 6239315
    Abstract: A process for preparing glycol monoethers from olefins comprises reacting the olefins with an epoxidizing reagent in the simultaneous presence of hydroxyl-containing organic compounds over a mixture of epoxidation catalysts and alkoxylation catalysts.
    Type: Grant
    Filed: October 25, 1999
    Date of Patent: May 29, 2001
    Assignee: BASF Aktiengesellschaft
    Inventors: Ulrich Müller, Georg Heinrich Grosch, Andreas Walch, Norbert Rieber