Patents by Inventor Wilfried Lövenich

Wilfried Lövenich 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: 20210261797
    Abstract: A liquid composition. The liquid composition comprises particles comprising a complex of a polythiophene and a polyanion; and a liquid phase comprising water and at least one organic solvent having a boiling point, determined at a pressure of 1013 mbar, in the range from 110 to 250° C. and a solubility in water, determined at 25° C., of at least 10 wt.-%. The liquid phase is an azeotrope or is capable of forming an azeotrope. Also disclosed is a process for the preparation of a layered body, the layered body obtainable by such a process, and the use of a liquid composition.
    Type: Application
    Filed: June 26, 2019
    Publication date: August 26, 2021
    Inventors: Arnulf Scheel, Udo Guntermann, Wilfried Lövenich, Armin Sautter
  • Patent number: 10748714
    Abstract: The present invention relates to a process for the production of a layered body (1), at least comprising the process steps: I) provision of a photoactive layer comprising a material having a perovskite type crystal structure; II) superimposing the photoactive layer at least partially with a coating composition A) comprising an electrically conductive polymer a) and an organic solvent b); III) at least partial removal of the organic solvent b) from the coating composition A) superimposed in process step II), thereby obtaining an electrically conductive layer superimposed on the photoactive layer. The present invention also relates to a layered body obtainable by this process, to dispersions, to an electronic device, to a process for the preparation of a photovoltaic device and to the photovoltaic device that is obtainable by this process.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: August 18, 2020
    Assignee: HERAEUS DEUTSCHLAND GMBH & CO. KG
    Inventors: Stefan Schumann, Andreas Elschner, Armin Sautter, Wilfried Lövenich, Rüdiger Sauer, Jan Sütterlin, Nina Kausch-Busies
  • Publication number: 20200216723
    Abstract: An object of the present invention is to provide an adhesive composition and an adhesive sheet that are stably dissolved or dispersed in a solvent or a dispersion medium having low polarity, have high total light transmittance and have high-function antistatic properties. An adhesive composition including (A) an adhesive polymer comprising repeated structures which consist of one or more kinds of (meth)acryl-based, urethane-based, silicone-based and polyolefin-based unit structures, (B) a conductive polymer complex including a conjugated polymer, and a polyanion having a block copolymer structure, and (C) a nonaqueous solvent or dispersion medium, in which the conductive polymer complex is contained by 0.1 parts by mass or higher and lower than 10 parts by mass relative to 100 parts by mass of the adhesive polymer.
    Type: Application
    Filed: August 10, 2017
    Publication date: July 9, 2020
    Inventors: Tomohiro MIYAZAKI, Kento WATANABE, Syuji OKAMOTO, Wilfried LÖVENICH, Armin SAUTTER, Tetsuya SUZUKI
  • Patent number: 10658598
    Abstract: The present invention relates to a compound having a general formula selected from the group consisting of formula 1a and 1b, wherein K represents an aromatic or heteroaromatic group in which at least one hydrogen atom may be substituted by a functional groups selected from the group consisting of a sulfonic acid group, a sulfuric acid group, an ammonium group and an aliphatic group; X is selected from the group consisting of a C—C-bond, O, S, SO2 and NR?, wherein R? represents a hydrogen or an aliphatic or aromatic group; A represents a fluorinated or perfluorinated aromatic group; n represents an integer in the range from 2 to 6; m represents an integer in the range from 1 to 3.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: May 19, 2020
    Assignee: HERAEUS DEUTSCHLAND GMBH & CO. KG.
    Inventors: Wilfried Lövenich, Nina Kausch-Busies, Sergei A. Ponomarenko, Andreas Elschner, Yuriy N. Kononevich, Alexey S. Tereshchenko
  • Publication number: 20200013559
    Abstract: The present invention relates to a process for the production of a layered body (1), at least comprising the process steps: I) provision of a photoactive layer comprising a material having a perovskite type crystal structure; II) superimposing the photoactive layer at least partially with a coating composition A) comprising an electrically conductive polymer a) and an organic solvent b); III) at least partial removal of the organic solvent b) from the coating composition A) superimposed in process step II), thereby obtaining an electrically conductive layer superimposed on the photoactive layer. The present invention also relates to a layered body obtainable by this process, to dispersions, to an electronic device, to a process for the preparation of a photovoltaic device and to the photovoltaic device that is obtainable by this process.
    Type: Application
    Filed: September 16, 2019
    Publication date: January 9, 2020
    Inventors: Stefan Schumann, Andreas Elschner, Armin Sautter, Wilfried Lövenich, Rüdiger Sauer, Jan Sütterlin, Nina Kausch-Busies
  • Publication number: 20190292311
    Abstract: Disclosed is a liquid composition comprising a complex of a polythiophene and a polyanion and at least one solvent that is suitable for forming a conductive polymer coating. Also disclosed is a process for the preparation of the liquid composition, and a process for the preparation of a layered body.
    Type: Application
    Filed: October 27, 2017
    Publication date: September 26, 2019
    Inventors: Udo GUNTERMANN, Wilfried LÖVENICH, Arnulf SCHEEL
  • Patent number: 10411196
    Abstract: The present invention relates to a compound having a general formula selected from the group consisting of formula 1a and 1b, wherein K represents an aromatic or heteroaromatic group in which at least one hydrogen atom may be substituted by a functional groups selected from the group consisting of a sulfonic acid group, a sulfuric acid group, an ammonium group and an aliphatic group; X is selected from the group consisting of a C—C-bond, O, S, SO2 and NR?, wherein R? represents a hydrogen or an aliphatic or aromatic group; A represents a fluorinated or perfluorinated aromatic group; n represents an integer in the range from 2 to 6; m represents an integer in the range from 1 to 3.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: September 10, 2019
    Assignee: HERAEUS DEUTCHLAND GMBH & CO. KG.
    Inventors: Wilfried Lövenich, Nina Kausch-Busies, Sergei A. Ponomarenko, Andreas Elschner, Yuriy N. Kononevich, Alexey S. Tereshchenko
  • Patent number: 10283715
    Abstract: The present invention relates to a composition comprising: a) at least one organic solvent; b) at least one conductive polymer, preferably a cationic polymer; c) at least one fluorinated compound; d) at least one polymeric anion, wherein the at least one polymeric anion is a copolymer comprising ionic and non-ionic repeating units. The present invention also relates to a layered structure comprising the composition, to a process for the production of the composition, to a process for the production of the layered structure and to devices comprising the layered structure as well as to the use of the composition in devices to achieve a prolongation of lifetime.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: May 7, 2019
    Assignee: HERAEUS DEUTSCHLAND GMBH & CO. KG
    Inventors: Stefan Schumann, Nina Kausch-Busies, Wilfried Lövenich, Jan Sütterlin, Andreas Elschner, Arnulf Scheel
  • Publication number: 20180182965
    Abstract: The present invention relates to a composition comprising: a) at least one organic solvent; b) at least one conductive polymer, preferably a cationic polymer; c) at least one fluorinated compound; d) at least one polymeric anion, wherein the at least one polymeric anion is a copolymer comprising ionic and non-ionic repeating units. The present invention also relates to a layered structure comprising the composition, to a process for the production of the composition, to a process for the production of the layered structure and to devices comprising the layered structure as well as to the use of the composition in devices to achieve a prolongation of lifetime.
    Type: Application
    Filed: March 9, 2016
    Publication date: June 28, 2018
    Inventors: Stefan Schumann, Nina Kausch-Busies, Wilfried Lövenich, Jan Sütterlin, Andreas Elschner, Arnulf Scheel
  • Patent number: 9959981
    Abstract: The invention relates to a process for the production of electrolyte capacitors having a low equivalent series resistance and low residual current for high nominal voltages, electrolyte capacitors produced by this process and the use of such electrolyte capacitors.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: May 1, 2018
    Assignee: Heraeus Precious Metals GmbH & Co. KG
    Inventors: Udo Merker, Wilfried Lövenich, Klaus Wussow
  • Publication number: 20180047988
    Abstract: The present invention relates to a liquid composition comprising a) at least one cationic polythiophene; b) at least one polymeric counterion; c) sulfur; d) at least one solvent having a boiling point of 80° C. or more; e) at least one conductivity improving agent; wherein the liquid composition comprises less than 10 wt.-% of components having a boiling point of less than 80° C., based on the total weight of the liquid composition, and wherein the boiling point in each case is determined at a pressure of 1013 mbar. The present invention also relates to a powdered composition comprising components a), b) and c), wherein the cationic polythiophene and the at least one polymeric counterion are present in the form of a cationic polythiophene:polymeric counterion-complex, to a process for preparing a liquid or powdered composition, a liquid or powdered composition obtainable by this process, to a lithium sulfur electrochemical cell and to the use of the liquid or the powdered composition.
    Type: Application
    Filed: March 15, 2016
    Publication date: February 15, 2018
    Inventors: Jan SEURING, Wilfried LÖVENICH, Detlef GAISER
  • Publication number: 20180040748
    Abstract: The present invention relates to a solar cell (1) comprising a substrate (2) of p-type silicon or n-type silicon, wherein the substrate (2) comprises a front side (2a) the surface of which is at least partially covered with at least one passivation layer (3) and a back side (2b), wherein the back side (2b) of the substrate (2) is at least partially covered with a conductive polymer layer (4) and wherein at least one of the following conditions a) and b) is fulfilled: a) the conductive polymer layer (4) is at least partially in direct contact with the surface of the p-type or n-type silicon; b) the conductive polymer layer (4) comprises a cationic conductive polymer and a polymeric anion in a weight ratio cationic conductive polymer:polymeric anion of greater than 0.4. The present invention also relates to a process for the preparation of a solar cell, to a solar cell obtainable by this process and to a solar module.
    Type: Application
    Filed: March 9, 2016
    Publication date: February 8, 2018
    Inventors: Jan Schmidt, Dimitri Zielke, Andreas Elschner, Wilfried Lövenich, Matthias Hörteis, Arnulf Scheel
  • Publication number: 20170365798
    Abstract: The present invention relates to a compound having a general formula selected from the group consisting of formula 1a and 1b, wherein K represents an aromatic or heteroaromatic group in which at least one hydrogen atom may be substituted by a functional groups selected from the group consisting of a sulfonic acid group, a sulfuric acid group, an ammonium group and an aliphatic group; X is selected from the group consisting of a C—C-bond, O, S, SO2 and NR?, wherein R? represents a hydrogen or an aliphatic or aromatic group; A represents a fluorinated or perfluorinated aromatic group; n represents an integer in the range from 2 to 6; m represents an integer in the range from 1 to 3.
    Type: Application
    Filed: November 17, 2015
    Publication date: December 21, 2017
    Inventors: Wilfried Lövenich, Nina Kausch-Busies, Sergei A. Ponomarenko, Andreas Elschner, Yuriy N. Kononevich, Alexey S. Tereshchenko
  • Publication number: 20170365418
    Abstract: The present invention relates to a process for the production of a layered body (1), at least comprising the process steps: I) provision of a photoactive layer comprising a material having a perovskite type crystal structure; II) superimposing the photoactive layer at least partially with a coating composition A) comprising an electrically conductive polymer a) and an organic solvent b); III) at least partial removal of the organic solvent b) from the coating composition A) superimposed in process step II), thereby obtaining an electrically conductive layer superimposed on the photoactive layer. The present invention also relates to a layered body obtainable by this process, to dispersions, to an electronic device, to a process for the preparation of a photovoltaic device and to the photovoltaic device that is obtainable by this process.
    Type: Application
    Filed: November 17, 2015
    Publication date: December 21, 2017
    Inventors: Stefan Schumann, Andreas Elschner, Armin Sautter, Wilfried Lövenich, Rüdiger Sauer, Jan Seuring, Nina Kausch-Busies
  • Patent number: 9722249
    Abstract: Described are a composition at least comprising complexes of polythiophene and polyanions, at least one lithium-containing compound, and at least one solvent, wherein the composition comprises less than 1 g of a material comprising elemental carbon, based on 1 g of the polythiophenes, or comprises no material at all comprising elemental carbon, and a process for the preparation of a composition, the composition obtainable by this process, the use of a composition and a cathode in an Li ion accumulator.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: August 1, 2017
    Assignees: Heraeus Deutschland GmbH & Co. KG, Ewe-Forschungszentrum Für Energietechnologie E.V.
    Inventors: Wilfried Lövenich, Lidiya Komsiyska, Eva-Maria Hammer, Daniela Ledwoch
  • Publication number: 20170047170
    Abstract: The invention relates to a process for the production of electrolyte capacitors having a low equivalent series resistance and low residual current for high nominal voltages, electrolyte capacitors produced by this process and the use of such electrolyte capacitors.
    Type: Application
    Filed: October 28, 2016
    Publication date: February 16, 2017
    Inventors: UDO MERKER, Wilfried Lövenich, Klaus Wussow
  • Patent number: 9514888
    Abstract: The invention relates to a process for the production of electrolyte capacitors having a low equivalent series resistance and low residual current for high nominal voltages, electrolyte capacitors produced by this process and the use of such electrolyte capacitors.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: December 6, 2016
    Assignee: Heraeus Deutschland GmbH & Co. KG
    Inventors: Udo Merker, Wilfried Lövenich, Klaus Wussow
  • Publication number: 20160056397
    Abstract: Described is a process for the preparation of a layered body, the process comprising the steps: I) providing a photoactive layer; II) superimposing the photoactive layer with a coating composition comprising a) an electrically conductive polymer, b) an organic solvent; and III) at least partially removing the organic solvent b) from the composition obtaining an electrically conductive layer superimposing the photoactive layer. Also described is a layered body obtained by this process, a layered body, an organic photovoltaic cell, a solar cell module, a composition, and the use of a composition.
    Type: Application
    Filed: March 27, 2014
    Publication date: February 25, 2016
    Inventors: Stefan SCHUMANN, Andreas ELSCHNER, Detlef GAISER, Wilfried LÖVENICH, Daniel VOIGHT
  • Publication number: 20150303477
    Abstract: Described are a composition at least comprising complexes of polythiophene and polyanions, at least one lithium-containing compound, and at least one solvent, wherein the composition comprises less than 1 g of a material comprising elemental carbon, based on 1 g of the polythiophenes, or comprises no material at all comprising elemental carbon, and a process for the preparation of a composition, the composition obtainable by this process, the use of a composition and a cathode in an Li ion accumulator.
    Type: Application
    Filed: November 22, 2013
    Publication date: October 22, 2015
    Inventors: Wilfried Lövenich, Lidiya Komsiyska, Eva-Maria Hammer, Daniela Ledwoch
  • Publication number: 20150282311
    Abstract: Principles and embodiments of the present invention relates to a process for the production of a transparent electrode, comprising the process steps: I) provision of a transparent substrate layer, II) application of a grid structure comprising a plurality of bars of metal or at least comprising metallic particles to the substrate layer, III) application of a dispersion comprising at least one polythiophene, at least one polymer having SO3?M+ groups, at least one fluorinated or perfluorinated polymer having SO3?M+ groups, and at least one dispersing agent, wherein M+ represents H+, Li+, Na+, K+ or NH4+, to the transparent substrate layer provided with the grid structure, and IV) at least partial removal of the dispersing agent resulting in obtaining a transparent electrode. Principles and embodiments of the present invention also relates to a transparent electrode obtainable by this process, a transparent electrode, an electronic component and a dispersion.
    Type: Application
    Filed: October 25, 2013
    Publication date: October 1, 2015
    Inventors: Wilfried Lövenich, Armin Sautter, Andreas Elschner, Arnulf Scheel, Detlef Riesebeck, Stephan Kirchmeyer