Patents by Inventor Kerstin Schierle-Arndt

Kerstin Schierle-Arndt 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: 20120145558
    Abstract: A method is provide for preparing potassium metal which comprises embedding a polycrystalline alkali metal ??-Al2O3 moulding in an oxidic powder containing potassium and aluminium of a molar K2O:Al2O3 ratio within the range of 1:(x?1) to 1:(x+1), the weight of oxidic powder amounting to at least two times the weight of the moulding; heating the embedded moulding at a rate of at least 100° C. per hour to at least 1100° C.; and further heating to at least 1300° C., this temperature being maintained for at least one hour prior to cooling.
    Type: Application
    Filed: February 17, 2012
    Publication date: June 14, 2012
    Applicant: BASF Aktiengesellschaft
    Inventors: Kerstin Schierle-Arndt, Günther Huber, Stephen Nicholas Heavens, John Stuart Blackburn, Ivor Wynn Jones
  • Publication number: 20120074150
    Abstract: The invention relates to a device for receiving hot, corrosively acting liquids (7), comprising a space enclosed by a wall (21) for receiving the liquid (7), the space having an inner insulation (19). The invention also relates to the use of the device for storing corrosively acting liquids for storing a heat storage medium comprising sulfur.
    Type: Application
    Filed: September 28, 2011
    Publication date: March 29, 2012
    Applicant: BASF SE
    Inventors: Jürgen Wortmann, Michael Lutz, Fabian Seeler, Martin Gärtner, Felix Major, Kerstin Schierle-Arndt, Otto Machhammer, Günther Huber, Stephan Maurer, Karolin Geyer
  • Patent number: 8133378
    Abstract: A solid polycrystalline potassium ion conductor having a ??-Al2O3 structure, its production, and the preparation of potassium metal using this potassium ion conductor.
    Type: Grant
    Filed: December 15, 2005
    Date of Patent: March 13, 2012
    Assignee: BASF Aktiengesellschaft
    Inventors: Kerstin Schierle-Arndt, Günther Huber, Stephen Nicholas Heavens, John Stuart Blackburn, Ivor Wynn Jones
  • Publication number: 20120024332
    Abstract: A thermoelectric material in a shape for forming part of a thermoelectric module, the thermoelectric material is coated with a protective layer to prevent degradation by humidity, oxygen, chemicals or thermal stress.
    Type: Application
    Filed: March 30, 2010
    Publication date: February 2, 2012
    Applicant: BASF SE
    Inventors: Madalina Andreea Stefan, Kerstin Schierle-Arndt, Guenther Huber, John Stuart Blackburn, Ivor Wynn Jones, Francis Stackpool, Stephen Heavens
  • Publication number: 20120017963
    Abstract: In a thermoelectric module comprising a series of p and n type semiconductors connected in series by conductive contacts, the conductive contacts are in contact with a substrate of moderate to high thermal conductivity that is electrically insulated from the conductive contacts by a resistive surface layer comprising a ceramic material.
    Type: Application
    Filed: March 31, 2010
    Publication date: January 26, 2012
    Applicant: BASF SE
    Inventors: Madalina Andreea Stefan, Kerstin Schierle-Arndt, Guenther Huber, Frank Haass, John Stuart Blackburn, Ivor Wynn Jones, Francis Stackpool, Stephen Heavens
  • Patent number: 8057584
    Abstract: Hydrogen or methane gas pressure container having a minimum volume of 1 m3 a prescribed maximum filling pressure, has a filter through which oxygen, methane respectively, can flow during uptake. The filter has an adsorbent for adsorbing impurities selected from the group consisting of a higher hydrocarbon, ammonia, an odorous substance, hydrogen sulfide and a mixture of two or more of these substances. The pressure container and the filter comprise porous metal organic frameworks as adsorbent.
    Type: Grant
    Filed: April 26, 2007
    Date of Patent: November 15, 2011
    Assignee: BASF SE
    Inventors: Markus Schubert, Ulrich Müller, Michael Hesse, Kerstin Schierle-Arndt, Kai Oertel, Ian Faye, Thorsten Allgeier, Jan-Michael Graehn
  • Publication number: 20110271953
    Abstract: The invention relates to a device for storing heat, comprising a heat storage medium which absorbs heat in order to store heat and releases heat in order to use the stored heat, and a container for holding the heat storage medium, the container being closed by a gastight cover, and the device comprising volume compensation means in order to compensate for a volume increase of the heat storage medium (3) due to a temperature rise and a volume decrease due to a temperature reduction.
    Type: Application
    Filed: May 4, 2011
    Publication date: November 10, 2011
    Applicant: BASF SE
    Inventors: Jürgen Wortmann, Claus Schäfer, Michael Lutz, Fabian Seeler, Martin Gärtner, Felix Major, Kerstin Schierle-Arndt, Otto Machhammer, Günther Huber, Stephan Maurer
  • Publication number: 20110247606
    Abstract: Mixture comprising elemental sulfur and an additive comprising anions.
    Type: Application
    Filed: April 8, 2011
    Publication date: October 13, 2011
    Applicant: BASF SE
    Inventors: Felix Major, Fabian Seeler, Florian Garlichs, Martin Gärtner, Stephan Maurer, Jürgen Wortmann, Michael Lutz, Günther Huber, Otto Machhammer, Kerstin Schierle-Arndt
  • Publication number: 20110163258
    Abstract: The present invention relates to mixtures of alkali metal polysulfides and to mixtures of alkali metal polysulfides and alkali metal thiocyanates, to processes for preparation thereof, to the use thereof as heat transfer or heat storage fluids, and to heat transfer or heat storage fluids which comprise the mixtures of alkali metal polysulfides or the mixtures of alkali metal polysulfides and alkali metal thiocyanates.
    Type: Application
    Filed: December 28, 2010
    Publication date: July 7, 2011
    Applicant: BASF SE
    Inventors: Fabian Seeler, Felix Major, Kerstin Schierle-Arndt, Jürgen Wortmann, Martin Gärtner, Michael Lutz, Stephan Maurer, Otto Machhammer, Günther Huber, Hans-Josef Sterzel
  • Publication number: 20100119829
    Abstract: The present invention relates to methods of producing surface-modified nanoparticulate particles at least of one metal oxide, metal hydroxide and/or metal oxide hydroxide, and aqueous suspensions of these particles. Furthermore, the invention relates to the surface-modified nanoparticulate particles, obtainable by these methods, at least of one metal oxide, metal hydroxide and/or metal oxide hydroxide and aqueous suspensions of these particles, and to their use for cosmetic sunscreen preparations, as stabilizer in plastics and as antimicrobial active ingredient.
    Type: Application
    Filed: March 18, 2008
    Publication date: May 13, 2010
    Applicant: BASF SE
    Inventors: Andrey Karpov, Hartmut Hibst, Jing Hu, Bernd Bechtloff, Hartwig Voss, Kerstin Schierle-Arndt, Valerie Andre, Jens Rieger
  • Publication number: 20100003203
    Abstract: The present invention relates to methods of producing surface-modified nanoparticulate particles at least of one metal oxide, metal hydroxide and/or metal oxide hydroxide, and aqueous suspensions of these particles. The invention further relates to the surface-modified nanoparticulate particles, obtainable by these methods, at least of one metal oxide, metal hydroxide and/or metal oxide hydroxide and aqueous suspensions of these particles, and to their use for cosmetic sunscreen preparations, as stabilizer in plastics and as antimicrobial active ingredient.
    Type: Application
    Filed: October 10, 2007
    Publication date: January 7, 2010
    Applicant: BASF SE
    Inventors: Andrey Karpov, Hartmut Hibst, Jutta Kissel, Bernd Bechtloff, Hartwig Voss, Kerstin Schierle-Arndt, Valerie Andre
  • Publication number: 20090133576
    Abstract: The present invention relates to a gas pressure container having a minimum volume of 1 m3 and a prescribed maximum filling pressure for the uptake, storage and delivery of a fuel gas which is gaseous under storage conditions and is suitable for powering a vehicle by combustion of the fuel gas, wherein the gas pressure vessel has a filter through which the fuel gas can flow at least during uptake or during delivery, with the filter being suitable for removing possible impurities in the fuel gas from the stream and the impurities being able to reduce the storage capacity for the fuel gas of an adsorbent used for the storage of the fuel gas. The invention further relates to the use of such a gas pressure container for filling a further gas pressure container which is present in or on a vehicle and comprises an adsorbent for the storage of the fuel gas.
    Type: Application
    Filed: April 26, 2007
    Publication date: May 28, 2009
    Applicant: BASF SE
    Inventors: Markus Schubert, Ulrich Muller, Michael Hesse, Kerstin Schierle-Arndt, Kai Oertel, Ian Faye, Thorsten Allgeier, Jan-Michael Graehn
  • Publication number: 20060131181
    Abstract: A solid polycrystalline potassium ion conductor having a ??-Al2O3 structure is obtainable by means of ion exchange of the alkali metal ions of a polycrystalline alkali metal ??-Al2O3 moulding, in which the alkali metal ions are sodium ions or a mixture of sodium and potassium ions and the molar ratio M2O (M=alkali metal) to Al2O3 is 1: x, x being an integer or non-integer number within the range 5 to 11, for potassium ions, the ion exchange being effected by a method wherein neither chloride-containing nor liquid potassium ion sources are used, the method comprising the steps of: embedding the polycrystalline alkali metal ??-Al2O3 moulding in an oxidic powder containing potassium and aluminium of a molar K2O: Al2O3 ratio within the range of 1: (x?1) to 1: (x+1), the weight of oxidic powder amounting to at least two times the weight of the moulding; heating the embedded moulding at a rate of at least 100° C. per hour to at least 1100° C.; and further heating to at least 1300° C.
    Type: Application
    Filed: December 15, 2005
    Publication date: June 22, 2006
    Applicant: BASF Aktiengesellschaft
    Inventors: Kerstin Schierle-Arndt, Gunther Huber, Stephen Heavens, John Blackburn, Ivor Jones
  • Publication number: 20050101806
    Abstract: Alkali metal alkoxides are prepared by reacting alkali metal amalgam with alcohol in the presence of a catalyst comprising porous iron.
    Type: Application
    Filed: November 8, 2004
    Publication date: May 12, 2005
    Inventors: Kerstin Schierle-Arndt, Andreas Ansmann, Hans-Josef Sterzel, Dieter Schlafer, Josef Guth, Holger Friedrich
  • Patent number: 6776894
    Abstract: A method for producing compounds which are oxidized in an alpha position by electrochemical reaction with alcohol in the presence of an auxiliary electrolyte and catalytic amounts of a metal salt.
    Type: Grant
    Filed: January 31, 2002
    Date of Patent: August 17, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Hermann Pütter, Kerstin Schierle-Arndt, Jörg Botzem
  • Patent number: 6770187
    Abstract: The invention relates to an electrolysis cell comprising an anode compartment which comprises an aqueous solution of at least one alkali metal salt, a cathode compartment and a solid electrolyte which separates the anode compartment and the cathode compartment from one another, wherein that part of the surface of the solid electrolyte which is in contact with the anode compartment and/or that part of the surface of the solid electrolyte which is in contact with the cathode compartment has/have at least one further ion-conducting layer.
    Type: Grant
    Filed: February 25, 2002
    Date of Patent: August 3, 2004
    Assignee: BASF Aktiengesellschaft
    Inventors: Hermann Pütter, Günther Huber, Kerstin Schierle-Arndt, Dieter Schläfer, Josef Guth
  • Publication number: 20040118700
    Abstract: Lithium is isolated from lithium amalgam by electrolysis over a solid lithium ion conductor having the composition Li4−xSi1−xPxO4, where x is at least 0.3 and not more than 0.7.
    Type: Application
    Filed: December 10, 2003
    Publication date: June 24, 2004
    Inventors: Kerstin Schierle-Arndt, Gunther Huber, Werner Weppner, Christian Dietz
  • Publication number: 20040111874
    Abstract: A lithium ion conductor having the composition Li4−xSi1−xPxO4, where x is at least 0.3 and not more than 0.7, is prepared by shaping and calcining Li4−xSi1−xPxO4, where x is at least 0.3 and not more than 0.7, and/or compounds which are converted into this during calcination, wherein the Li4−xSi1−xPxO4 and/or the compounds is/are used in the form of powder having a mean particle size of not more than 5 microns.
    Type: Application
    Filed: December 10, 2003
    Publication date: June 17, 2004
    Inventors: Kerstin Schierle-Arndt, Gunther Huber, Werner Weppner, Christian Dietz
  • Patent number: 6657091
    Abstract: Alkali metal alkoxides are prepared by reacting alkali metal amalgam with alcohol in the presence of a catalyst comprising iron having a carbon content of at least 0.3% by weight.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: December 2, 2003
    Assignee: BASF Aktiengesellschaft
    Inventors: Kerstin Schierle-Arndt, Hans-Josef Sterzel, Dieter Schläfer, Josef Guth, Holger Friedrich, Peter Zehner
  • Patent number: 6409908
    Abstract: In a process for producing an alkali metal from alkali metal amalgam by electrolysis using an alkali metal amalgam as anode, a solid electrolyte which conducts alkali metal ions and a liquid alkali metal as cathode, the alkali metal amalgam as anode is kept in motion.
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: June 25, 2002
    Assignee: BASF Aktiengesellschaft
    Inventors: Günther Huber, Hermann Pütter, Kerstin Schierle-Arndt, Dieter Schläfer, Josef Guth, Bernd Schube, Diethard Lenz