Patents by Inventor Wilhelm Schwieger

Wilhelm Schwieger 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: 12024438
    Abstract: The present invention further provides a method of making an metal-loaded aluminosilicate zeolite having a maximum pore opening defined by eight tetrahedral atoms from pre-existing aluminosilicate zeolite crystallites, wherein the metal is present in a range of from 0.5 to 5.0 wt. % based on the total weight of the metal-loaded aluminosilicate zeolite.
    Type: Grant
    Filed: April 29, 2022
    Date of Patent: July 2, 2024
    Assignees: Johnson Matthey Public Limited Company, Johnson Matthey Catalysts (Germany) GmbH
    Inventors: Juergen Bauer, John Leonello Casci, Ralf Dotzel, Joerg Muench, Ralitsa Purova, Wilhelm Schwieger, Ameen Shahid, Selvam Thangaraj, Tobias Weissenberger
  • Patent number: 11634335
    Abstract: The present invention provides an iron-loaded aluminosilicate zeolite having a maximum pore opening defined by eight tetrahedral atoms and having the framework type CHA, AEI, AFX, ERI or LTA, wherein the iron (Fe) is present in a range of from about 0.5 to about 5.0 wt. % based on the total weight of the iron-loaded aluminosilicate zeolite, wherein an ultraviolet-visible absorbance spectrum of the iron-loaded synthetic aluminosilicate zeolite comprises a band at approximately 280 nm, wherein a ratio of an integral, peak-fitted ultraviolet-visible absorbance signal measured in arbitrary units (a.u.) for the band at approximately 280 nm to an integral peak-fitted ultraviolet-visible absorbance signal measured in arbitrary units (a.u.) for a band at approximately 340 nm is >about 2.
    Type: Grant
    Filed: January 10, 2020
    Date of Patent: April 25, 2023
    Assignees: Johnson Matthey Public Limited Company, Johnson Matthey Catalysts (Germany) Gmbh
    Inventors: Juergen Bauer, John Leonello Casci, Ralf Dotzel, Joerg Muench, Ralitsa Purova, Wilhelm Schwieger, Ameen Shahid, Selvam Thangaraj, Tobias Weissenberger
  • Patent number: 11571682
    Abstract: A SCR catalyst composition comprises a SCR catalyst; and a binder comprising a porous inorganic material, wherein the porous inorganic material comprises a disordered arrangement of delaminated layers, has a disordered porous structure, and has a multimodal pore size distribution comprising at least a first modal maximum having a macroporous or mesoporous pore size and a second modal maximum having a microporous pore size. The SCR catalyst composition can be manufactured using the method comprising the steps of: (i) providing an inorganic material having a layered structure; (ii) contacting the material with a cationic surfactant to form a swollen material; (iii) agitating the swollen material to form an agitated material; and (iv) calcining the agitated material to recover a delaminated inorganic material, wherein an SCR catalyst is mixed with the inorganic material prior to step (iv).
    Type: Grant
    Filed: August 10, 2020
    Date of Patent: February 7, 2023
    Inventors: Jürgen Bauer, Ralf Dotzel, Jörg Werner Muench, Ralitsa Purova, Wilhelm Schwieger, Thangaraj Selvam, Ameen Shahid
  • Publication number: 20220250928
    Abstract: The present invention further provides a method of making an metal-loaded aluminosilicate zeolite having a maximum pore opening defined by eight tetrahedral atoms from pre-existing aluminosilicate zeolite crystallites, wherein the metal is present in a range of from 0.5 to 5.0 wt. % based on the total weight of the metal-loaded aluminosilicate zeolite.
    Type: Application
    Filed: April 29, 2022
    Publication date: August 11, 2022
    Inventors: Juergen BAUER, John Leonello CASCI, Ralf DOTZEL, Joerg MUENCH, Ralitsa PUROVA, Wilhelm SCHWIEGER, Ameen SHAHID, Selvam THANGARAJ, Tobias WEISSENBERGER,
  • Patent number: 11229898
    Abstract: A particulate material and a process for the production thereof are provided, which particulate material comprises zeolitic particles having a crystalline structure, which contain as the main component a zeolite material having a zeolitic framework structure formed from Si, O and optionally Al, and/or a zeolite-like material having a zeolitic framework structure which is formed not only from Si, O and optionally Al, wherein the zeolitic particles are in the form of essentially spherical particles with nanometer dimensions.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: January 25, 2022
    Assignee: Friedrich-Alexander-Universität Erlangen-Nürnberg
    Inventors: Wilhelm Schwieger, Albert Gonche Fortunatus Machoke
  • Patent number: 11179707
    Abstract: A composite material comprises a macroporous silicate-based material at least partially substituted with at least one microporous zeolite, wherein the microporous zeolite is functionalised with either copper, iron or both copper and iron, and wherein the composite material is in the form of particles. The composite material can be obtained using a method comprising the steps of: (i) providing a mixture comprising a silicate-containing scaffold having a macroporous structure, an aluminium source and an organic template; (ii) hydrothermally treating the mixture to form a microporous zeolite-containing structure substantially retaining the macroporous structure of the silicate-containing scaffold; (iii) incorporating copper, iron or both copper and iron into the zeolite. The silicate-containing scaffold can be a diatomaceous earth.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: November 23, 2021
    Assignee: Johnson Matthey Catalysts (Germany) GmbH
    Inventors: Juergen Bauer, Ralf Dotzel, Joerg Werner Muench, Ralitsa Purova, Wilhelm Schwieger, Thangaraj Selvam, Ameen Shahid
  • Publication number: 20210094025
    Abstract: A composite material comprises a macroporous silicate-based material at least partially substituted with at least one microporous zeolite, wherein the microporous zeolite is functionalised with either copper, iron or both copper and iron, and wherein the composite material is in the form of particles. The composite material can be obtained using a method comprising the steps of: (i) providing a mixture comprising a silicate-containing scaffold having a macroporous structure, an aluminium source and an organic template; (ii) hydrothermally treating the mixture to form a microporous zeolite-containing structure substantially retaining the macroporous structure of the silicate-containing scaffold; (iii) incorporating copper, iron or both copper and iron into the zeolite. The silicate-containing scaffold can be a diatomaceous earth.
    Type: Application
    Filed: May 18, 2020
    Publication date: April 1, 2021
    Inventors: Juergen Bauer, Ralf Dotzel, Joerg Werner Muench, Ralitsa Purova, Wilhelm Schwieger, Thangaraj Selvam, Ameen Shahid
  • Publication number: 20210008524
    Abstract: A SCR catalyst composition comprises a SCR catalyst; and a binder comprising a porous inorganic material, wherein the porous inorganic material comprises a disordered arrangement of delaminated layers, has a disordered porous structure, and has a multimodal pore size distribution comprising at least a first modal maximum having a macroporous or mesoporous pore size and a second modal maximum having a microporous pore size. The SCR catalyst composition can be manufactured using the method comprising the steps of: (i) providing an inorganic material having a layered structure; (ii) contacting the material with a cationic surfactant to form a swollen material; (iii) agitating the swollen material to form an agitated material; and (iv) calcining the agitated material to recover a delaminated inorganic material, wherein an SCR catalyst is mixed with the inorganic material prior to step (iv).
    Type: Application
    Filed: August 10, 2020
    Publication date: January 14, 2021
    Inventors: Jürgen BAUER, Ralf DOTZEL, Joerg Werner MUENCH, Ralitsa PUROVA, Wilhelm SCHWIEGER, Thangaraj SELVAM, Ameen SHAHID
  • Patent number: 10828626
    Abstract: A composite material comprises a macroporous silicate-based material at least partially substituted with at least one microporous zeolite, wherein the microporous zeolite is functionalised with either copper, iron or both copper and iron, and wherein the composite material is in the form of particles. The composite material can be obtained using a method comprising the steps of: (i) providing a mixture comprising a silicate-containing scaffold having a macroporous structure, an aluminium source and an organic template; (ii) hydrothermally treating the mixture to form a microporous zeolite-containing structure substantially retaining the macroporous structure of the silicate-containing scaffold; (iii) incorporating copper, iron or both copper and iron into the zeolite. The silicate-containing scaffold can be a diatomaceous earth.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: November 10, 2020
    Assignee: Johnson Matthey Catalysts (Germany) GmbH
    Inventors: Juergen Bauer, Ralf Dotzel, Joerg Werner Muench, Ralitsa Purova, Wilhelm Schwieger, Thangaraj Selvam, Ameen Shahid
  • Publication number: 20200223708
    Abstract: The present invention provides an iron-loaded aluminosilicate zeolite having a maximum pore opening defined by eight tetrahedral atoms and having the framework type CHA, AEI, AFX, ERI or LTA, wherein the iron (Fe) is present in a range of from about 0.5 to about 5.0 wt. % based on the total weight of the iron-loaded aluminosilicate zeolite, wherein an ultraviolet-visible absorbance spectrum of the iron-loaded synthetic aluminosilicate zeolite comprises a band at approximately 280 nm, wherein a ratio of an integral, peak-fitted ultraviolet-visible absorbance signal measured in arbitrary units (a.u.) for the band at approximately 280 nm to an integral peak-fitted ultraviolet-visible absorbance signal measured in arbitrary units (a.u.) for a band at approximately 340 nm is >about 2.
    Type: Application
    Filed: January 10, 2020
    Publication date: July 16, 2020
    Inventors: Juergen BAUER, John Leonello CASCI, Ralf DOTZEL, Joerg MUENCH, Ralitsa PUROVA, Wilhelm SCHWIEGER, Ameen SHAHID, Selvam THANGARAJ, Tobias WEISSENBERGER
  • Publication number: 20200038850
    Abstract: A composite material comprises a macroporous silicate-based material at least partially substituted with at least one microporous zeolite, wherein the microporous zeolite is functionalised with either copper, iron or both copper and iron, and wherein the composite material is in the form of particles. The composite material can be obtained using a method comprising the steps of: (i) providing a mixture comprising a silicate-containing scaffold having a macroporous structure, an aluminium source and an organic template; (ii) hydrothermally treating the mixture to form a microporous zeolite-containing structure substantially retaining the macroporous structure of the silicate-containing scaffold; (iii) incorporating copper, iron or both copper and iron into the zeolite. The cate-containing scaffold can be a diatomaceous earth.
    Type: Application
    Filed: March 29, 2018
    Publication date: February 6, 2020
    Inventors: Juergen BAUER, Ralf DOTZEL, Joerg Werner MUENCH, Ralitsa PUROVA, Wilhelm SCHWIEGER, Thangaraj SELVAM, Ameen SHAHID
  • Publication number: 20190185330
    Abstract: A method is provided for generating a composite material with a support structure and a coating on the surface of the support structure, the coating comprising, as active component, crystals of a zeolite material or of a zeolite-like material, with intercrystalline mesopores and/or macropores being formed in the coating, characterized in that the method comprises the following steps: a) providing a suspension which comprises nanoscale starting crystals of a zeolite material or of a zeolite-like material, and also precursor compounds of the zeolite material or zeolite-like material, b) applying the suspension provided in step a) to the surface of the support structure, c) compacting the suspension applied in step b) by at least partially removing the solvent that forms the liquid phase of the suspension, to yield a coating which comprises the starting crystals and the precursor compounds, d) keeping the coating obtained in step c) on the surface of the support structure in a vapor-containing atmosphere at a
    Type: Application
    Filed: March 20, 2017
    Publication date: June 20, 2019
    Inventors: Wilhelm SCHWIEGER, Martin HARTMANN, Michael KLUMPP, Albert Gonche Fortunatus MACHOKE, Tobias WEISSENBERGER
  • Patent number: 10301184
    Abstract: The invention relates to a zeolitic material comprising zeolitic monocrystals, each of which has a pore system encompassing at least one micropore system and at least one macropore system, and to a method for producing a zeolitic material of said type. In said method, porous oxide particles are converted into the zeolitic material in the presence of an organic template and steam.
    Type: Grant
    Filed: August 21, 2015
    Date of Patent: May 28, 2019
    Assignees: Friedrich-Alexander-Universität Erlangen-Nürnberg, Technische Universität Clausthal
    Inventors: Albert Gonche Fortunatus Machoke, Alexandra Inayat, Wilhelm Schwieger, Ana Maria Beltrán Custodio, Erdmann Spiecker, Robert Güttel, Nadine Kruse
  • Publication number: 20190126258
    Abstract: A particulate material and a process for the production thereof are provided, which particulate material comprises zeolitic particles having a crystalline structure, which contain as the main component a zeolite material having a zeolitic framework structure formed from Si, O and optionally Al, and/or a zeolite-like material having a zeolitic framework structure which is formed not only from Si, O and optionally Al, wherein the zeolitic particles are in the form of essentially spherical particles with nanometer dimensions.
    Type: Application
    Filed: December 28, 2016
    Publication date: May 2, 2019
    Inventors: Wilhelm SCHWIEGER, Albert GONCHE FORTUNATUS MACHOKE
  • Publication number: 20190070568
    Abstract: Disclosed is a permeation membrane and a method for producing a permeation membrane. The permeation membrane can be used in particular in the field of membrane-based material separations. The permeation membrane is composed of an inorganic semi-permeable substance in which an additional substance is incorporated in some locations such that existing intermediate spaces in the semi-permeable substance are at least partly filled by the additional substance and thus only the intermediate spaces are blocked for a permeating species.
    Type: Application
    Filed: February 28, 2017
    Publication date: March 7, 2019
    Inventors: Hannes RICHTER, Adrian SIMON, Yvonne JUETTKE, Wilhelm SCHWIEGER, Marion SCHUELEIN, Dirk LUEDKE, Benjamin REIF
  • Publication number: 20180371616
    Abstract: The invention relates to a method of forming an aluminosilicate zeolite layer on an aluminium-containing metallic substrate composed of metallic aluminium or an aluminium alloy which is introduced into an alkalized aqueous reaction dispersion in which silicon and optionally aluminium are present as network-forming elements, where, irrespective of whether or not aluminium is present in the aqueous reaction dispersion, the molar ratio between the aluminium in the aqueous reaction dispersion and the sum total of the network-forming elements present in the aqueous reaction dispersion is below 0.
    Type: Application
    Filed: December 6, 2016
    Publication date: December 27, 2018
    Inventors: Ralph Herrmann, Wilhelm Schwieger, Rajesh Kumar Chandra
  • Publication number: 20180280937
    Abstract: A SCR catalyst composition comprises a SCR catalyst; and a binder comprising a porous inorganic material, wherein the porous inorganic material comprises a disordered arrangement of delaminated layers, has a disordered porous structure, and has a multimodal pore size distribution comprising at least a first modal maximum having a macroporous or mesoporous pore size and a second modal maximum having a microporous pore size. The SCR catalyst composition can be manufactured using the method comprising the steps of: (i) providing an inorganic material having a layered structure; (ii) contacting the material with a cationic surfactant to form a swollen material; (iii) agitating the swollen material to form an agitated material; and (iv) calcining the agitated material to recover a delaminated inorganic material, wherein an SCR catalyst is mixed with the inorganic material prior to step (iv).
    Type: Application
    Filed: March 28, 2018
    Publication date: October 4, 2018
    Inventors: Juergen BAUER, Ralf DOTZEL, Joerg Werner MUENCH, Ralitsa PUROVA, Wilhelm SCHWIEGER, Thangaraj SELVAM, Ameen SHAHID
  • Publication number: 20170267537
    Abstract: The invention relates to a zeolitic material comprising zeolitic monocrystals, each of which has a pore system encompassing at least one micropore system and at least one macropore system, and to a method for producing a zeolitic material of said type. In said method, porous oxide particles are converted into the zeolitic material in the presence of an organic template and steam.
    Type: Application
    Filed: August 21, 2015
    Publication date: September 21, 2017
    Inventors: Albert Gonche Fortunatus MACHOKE, Alexandra INAYAT, Wilhelm SCHWIEGER, Ana Maria BELTRÁN CUSTODIO, Erdmann SPIECKER, Robert GÜTTEL, Nadine KRUSE
  • Patent number: 9175396
    Abstract: An aluminum-containing substrate is described that comprises at least one superficially applied microporous layer of an aluminum phosphate zeolite (ALPO) as well as other layers. Said aluminum-containing substrate is characterized in that the microporous layer of the aluminum phosphate zeolite represents a primer coating on which a microporous or mesoporous secondary material is located which differs from the material of the primer coating. Said aluminum-containing substrate is produced in a particularly advantageous manner according to a method in which 1.
    Type: Grant
    Filed: May 13, 2009
    Date of Patent: November 3, 2015
    Assignee: SorTech AG
    Inventors: Jürgen Bauer, Ralph Herrmann, Wilhelm Schwieger, Abhijeet Avhale
  • Patent number: 9169563
    Abstract: A method is described for forming an aluminosilicate-zeolite layer on an aluminum-containing substrate by in situ direct crystallization. Aluminum-rich aluminosilicate-zeolite coatings on aluminum-containing metal substrates obtained by this method are advantageous, for example, in sorption-based fields of application, such as heterogeneous catalysis, in separation and cleaning processes, in sorption heat pumps, in conjunction with immobilized catalysts and in microreaction technology.
    Type: Grant
    Filed: March 1, 2010
    Date of Patent: October 27, 2015
    Assignee: Sortech AG
    Inventors: Ralph Herrmann, Wilhelm Schwieger, Jurgen Bauer