Patents by Inventor Wilfried Lovenich

Wilfried Lovenich 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: 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: 20170198155
    Abstract: The present invention relates to a composition comprising i) particles comprising a conductive polymer, ii) metal nanowires, and iii) at least one solvent, wherein at least one of the following conditions is satisfied: ?1) the particles comprising the conductive polymer are characterized by a weight average particle diameter of less than 100 nm; ?2) the content of cations of the metal on which the metal nanowires ii) are based is below 500 ppm, based on the total weight of the composition; ?3) the composition comprises, in addition to component iii), at least one high-boiling solvent that is miscible with the at least one solvent iii) and that has a boiling point (determined at 1013 mbar) of more than 100° C. The present invention also relates to a process for the production of a layered body, to a layered body obtainable by the process of the present invention, to a layered body comprising a substrate and an electrically conductive layer coated onto the substrate and to the use of a composition.
    Type: Application
    Filed: July 24, 2015
    Publication date: July 13, 2017
    Inventors: Wilfried LOVENICH, Rüdiger SAUER, Andreas ELSCHNER
  • 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: 20160162063
    Abstract: The present invention relates to the production of a layer structure, comprising the following process steps: i) coating a substrate with a composition at least comprising silver nanowires and a solvent; ii) at least partial removal of the solvent, thereby obtaining a substrate that is coated with an electrically conductive layer, the electrically conductive layer at least comprising the silver nanowires; iii) bringing into contact selected areas of the electrically conductive layer with an etching composition, thereby reducing the conductivity of the electrically conductive layer in these selected areas, wherein the etching composition comprises an organic compound capable of releasing chlorine, bromine or iodine, a compound containing hypochloride, a compound containing hypo-bromide or a mixture of at least two of these compounds.
    Type: Application
    Filed: July 18, 2014
    Publication date: June 9, 2016
    Inventors: Wilfried LOVENICH, Rüdiger SAUER, Udo GUNTERMANN
  • 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
  • Patent number: 9087994
    Abstract: Described is a complex comprising a polythiophene and a sulphonated synthetic rubber. Also described is a process for producing complexes, the complexes obtained by this process, a composition, a layer structure, a process for producing the layer structure, the layer structure obtained by this process, electronic components, and the use of a composition.
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: July 21, 2015
    Assignee: Heraeus Precious Metals GmbH & Co. KG
    Inventors: Wilfried Lövenich, Arnulf Scheel, Knud Reuter, Andreas Elschner
  • Patent number: 9053839
    Abstract: The present invention relates to a method for producing a composition comprising polythiophene, comprising the method steps: I) provision of a composition Z1 comprising thiophene monomers and an oxidising agent; II) oxidative polymerisation of the thiophene monomers by reducing the oxidising agent to a reduction product and oxidation of the thiophene monomer, to form a polythiophene and a composition Z2 comprising the reduction product; III) at least partial removal of the reduction product from the composition Z2 obtained in method step II), to obtain a composition Z3; wherein it is ensured that, following completion of method step III), the content of non-polymerised thiophene monomer in the composition Z3 is in the range from 1 ppm to 100 ppm, based on the total weight of the composition Z3.
    Type: Grant
    Filed: October 7, 2011
    Date of Patent: June 9, 2015
    Assignee: Heraeus Precious Metals GmbH & Co. KG
    Inventor: Wilfried Lövenich
  • Publication number: 20140145118
    Abstract: The present invention relates to a method for producing a composition comprising polythiophene, comprising the method steps: I) provision of a composition Z1 comprising thiophene monomers and an oxidising agent; II) oxidative polymerisation of the thiophene monomers by reducing the oxidising agent to a reduction product and oxidation of the thiophene monomer, forming a composition Z2 comprising a polythiophene and the reduction product; III) at least partial removal of the reduction product from the composition Z2 obtained in method step II), obtaining a composition Z3; wherein the composition Z3 has a sulfate content in the range from 100 ppm to 1,000 ppm, based on the total weight of the composition Z3. The present invention also relates to a composition obtainable as the composition Z3 produced with this method, a composition comprising a polythiophene, a layer construction, an electronic component and the use of a composition.
    Type: Application
    Filed: October 7, 2011
    Publication date: May 29, 2014
    Applicant: Heraeus Precious Metals GmbH & Co. KG
    Inventors: Wilfried Lovenich, Arnulf Scheel, Rudolf Hill
  • Patent number: 8699208
    Abstract: The invention relates to a process for the production of electrolyte capacitors having a low equivalent series resistance and low residual current, electrolyte capacitors produced by this process and the use of such electrolyte capacitors.
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: April 15, 2014
    Assignee: Heraeus Precious Metals GmbH & Co. KG
    Inventors: Udo Merker, Wilfried Lövenich, Klaus Wussow, Ralf Tillmann
  • Publication number: 20140027746
    Abstract: The present invention relates to compounds of the general formula (I) The present invention also relates to a process for the preparation of such compounds, the compounds obtainable by this process, the use of these compounds, semiconducting layers and electronic components.
    Type: Application
    Filed: January 12, 2012
    Publication date: January 30, 2014
    Applicant: Heraeus Precious Metals GMBH & Co. KG
    Inventors: Eva Nutz, Timo Meyer-Friedrichsen, Andreas Elschner, Wilfried Lövenich, Sergei Anatolievich Ponomarenko, Juriy N. Luponosow
  • Publication number: 20130270537
    Abstract: Described is a complex comprising a polythiophene and a sulphonated synthetic rubber.
    Type: Application
    Filed: November 2, 2011
    Publication date: October 17, 2013
    Applicant: Heraeus Precious Metals GmbH & Co. KG
    Inventors: Wilfried Lövenich, Arnulf Scheel, Knud Reuler, Andreas Eischner
  • Publication number: 20130261261
    Abstract: The present invention relates to a method for producing a composition comprising polythiophene, comprising the method steps: I) provision of a composition Z1 comprising thiophene monomers and an oxidising agent; II) oxidative polymerisation of the thiophene monomers by reducing the oxidising agent to a reduction product and oxidation of the thiophene monomer, to form a polythiophene and a composition Z2 comprising the reduction product; III) at least partial removal of the reduction product from the composition Z2 obtained in method step II), to obtain a composition Z3; wherein it is ensured that, following completion of method step III), the content of non-polymerised thiophene monomer in the composition Z3 is in the range from 1 ppm to 100 ppm, based on the total weight of the composition Z3.
    Type: Application
    Filed: October 7, 2011
    Publication date: October 3, 2013
    Applicant: Heraeus Precious Metals GmbH & Co. KG
    Inventor: Wilfried Lövenich
  • Patent number: 8334331
    Abstract: The invention relates to compositions which include: (a) a polythiophene containing repeating units represented by the following general formula (I), wherein X represents, for example, —CH2—CH(CH2—O—(CH2)4SO3?H+)—; and (b) further polymers, that are different than polythiophene (a), and which contain SO3? M+ or COO?M+ groups. Also disclosed are electroluminescing (EL) arrangements that contain hole-injecting layers which include such compositions.
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: December 18, 2012
    Assignee: Heraeus Precious Metals GmbH & Co. KG
    Inventors: Andreas Elschner, Knud Reuter, Peter Wilfried Lövenich
  • Patent number: 8313538
    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: September 13, 2006
    Date of Patent: November 20, 2012
    Assignee: Heraeus Precious Metals GmbH & Co. KG
    Inventors: Udo Merker, Wilfried Lövenich, Klaus Wussow
  • Publication number: 20120175565
    Abstract: The present invention relates to coatings containing conductive polymers and anhydric compounds, to the production and use thereof and also to dispersions for producing coatings of this type.
    Type: Application
    Filed: August 5, 2010
    Publication date: July 12, 2012
    Applicant: Heraeus Precious Metals GmbH & Co, KG
    Inventors: Wilfried Lövenich, Rudolf Hill
  • Publication number: 20120165467
    Abstract: The invention relates to novel polyelectrolyte complexes of a functionalised polysulphone and a conductive polymer and to the use thereof.
    Type: Application
    Filed: June 30, 2010
    Publication date: June 28, 2012
    Inventors: Wilfried Lövenich, Andreas Elschner
  • Publication number: 20120075772
    Abstract: The invention relates to a process for the production of electrolyte capacitors having a low equivalent series resistance and low residual current, electrolyte capacitors produced by this process and the use of such electrolyte capacitors.
    Type: Application
    Filed: October 6, 2011
    Publication date: March 29, 2012
    Applicant: H.C. Starck GmbH
    Inventors: Udo Merker, Wilfried Lövenich, Klaus Wussow, Ralph Tillmann