Patents by Inventor Udo Merker

Udo Merker 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: 20220262575
    Abstract: The present invention relates to a capacitor comprising i) an electrode body comprising an electrode material, wherein a dielectric layer comprising a dielectric material at least partially covers a surface of the electrode body; ii) a solid electrolyte layer comprising a solid electrolyte material that at least partially covers a surface of the dielectric layer, wherein the solid electrolyte material comprises a conductive polymer; iii) an anode contact that is in contact with the electrode body and that comprises copper, metal-plated copper or a copper-containing alloy; and iv) a cathode contact that is in contact with the solid electrolyte layer; wherein the capacitor further comprises at least one metal ion migration inhibitor. The present invention also relates to a process for the production of a capacitor, to a capacitor obtainable by such a process, to electronic circuit comprising the capacitor according to present invention and to the use of these capacitors in electronic circuits.
    Type: Application
    Filed: July 30, 2020
    Publication date: August 18, 2022
    Inventors: Yayoi MIYAZAKI, Akio ISHIKAWA, Udo MERKER
  • Patent number: 10767003
    Abstract: The present invention relates to a process for producing a liquid composition comprising a functionalized ?-conjugated polythiophenes, comprising the process steps of i) providing a liquid phase comprising a) thiophene monomers of the general formula (I) wherein X,Y are identical or different and are O, S, or NR1, wherein R1 is hydrogen or an aliphatic or aromatic residue having 1 to 18 carbon atoms; A is organic residue carrying an anionic functional group; b) an oxidizing agent; and c) a solvent; ii) oxidatively polymerizing the thiophene monomers of the general formula (I) to obtain a liquid composition comprising functionalized ?-conjugated polythiophenes; wherein (?1) the pH of the liquid phase provided in process step i) is adjusted to a value below 7.0, wherein the pH is determined at a temperature of 20° C.; and (?2) the chloride content of the liquid phase provided in process step i) is less than 10000 ppm, based on the total weight of the liquid phase.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: September 8, 2020
    Assignee: HERAEUS DEUTSCHLAND GMBH & CO. KG
    Inventors: Arnulf Scheel, Katrin Asteman, Matthias Intelmann, Udo Merker
  • Publication number: 20180374649
    Abstract: The present invention relates to a process for the production of a layer composition (10) with an electrically conductive layer (11), comprising the process steps: a) provision of a substrate (12) with a substrate surface (13); b) formation of a polymer layer (14) comprising an electrically conductive polymer (15) on at least a part of the substrate surface (13); c) application of a liquid stabilizer phase, comprising a stabilizer and a liquid phase, to the polymer layer (14) from process step b), wherein the stabilizer phase comprises less than 0.2 wt. %, based on the stabilizer phase, of the electrically conductive polymer, wherein the stabilizer is an aromatic compound with at least two OH groups, and a layer composition (10) and uses thereof.
    Type: Application
    Filed: June 25, 2018
    Publication date: December 27, 2018
    Inventors: AKIO ISHIKAWA, Udo MERKER, Klaus WUSSOW, Katrin ASTEMAN
  • Patent number: 10147551
    Abstract: The present invention relates to a process for producing an electrolytic capacitor wherein—a primer solution e) is applied to a capacitor body (1), followed by an application of a solution or dispersion a) comprising a conjugated polymer b) and a solvent or dispersant d), followed by an at least partial removal of the solvent or dispersant d) for the formation of a polymeric outer layer (5) that is formed onto the capacitor body (1), and wherein the primer solution e) comprises at least one monofunctional amine and at least one carboxylic acid.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: December 4, 2018
    Assignee: HERAEUS DEUTSCHLAND GMBH & CO. KG
    Inventors: Matthias Intelmann, Udo Merker, Klaus Wussow
  • Patent number: 10109427
    Abstract: The present invention relates to a process for the production of a layer composition (10) with an electrically conductive layer (11), comprising the process steps: a) provision of a substrate (12) with a substrate surface (13); b) formation of a polymer layer (14) comprising an electrically conductive polymer (15) on at least a part of the substrate surface (13); c) application of a liquid stabilizer phase, comprising a stabilizer and a liquid phase, to the polymer layer (14) from process step b), wherein the stabilizer phase comprises less than 0.2 wt. %, based on the stabilizer phase, of the electrically conductive polymer, wherein the stabilizer is an aromatic compound with at least two OH groups, and a layer composition (10) and uses thereof.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: October 23, 2018
    Assignee: Heraeus Precious Metals GmbH & Co. KG
    Inventors: Akio Ishikawa, Udo Merker, Klaus Wussow, Katrin Asteman
  • Publication number: 20180208713
    Abstract: The present invention relates to a process for producing a liquid composition comprising a functionalized ?-conjugated polythiophenes, comprising the process steps of i) providing a liquid phase comprising a) thiophene monomers of the general formula (I) wherein X,Y are identical or different and are O, S, or NR1, wherein R1 is hydrogen or an aliphatic or aromatic residue having 1 to 18 carbon atoms; A is organic residue carrying an anionic functional group; b) an oxidizing agent; and c) a solvent; ii) oxidatively polymerizing the thiophene monomers of the general formula (I) to obtain a liquid composition comprising functionalized ?-conjugated polythiophenes; wherein (?1) the pH of the liquid phase provided in process step i) is adjusted to a value below 7.0, wherein the pH is determined at a temperature of 20° C.; and (?2) the chloride content of the liquid phase provided in process step i) is less than 10000 ppm, based on the total weight of the liquid phase.
    Type: Application
    Filed: November 20, 2015
    Publication date: July 26, 2018
    Inventors: Arnulf SCHEEL, Katrin ASTEMAN, Matthias INTELMANN, Udo MERKER
  • 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
  • Patent number: 9875852
    Abstract: Described are methods for the production of a capacitor, comprising the process steps: a) the provision of an electrode body (1) of an electrode material (2), wherein a dielectric (3) covers one surface (4) of this electrode material (2) at least partly under formation of an anode body (5); b) the introduction of a dispersion comprising a dispersing agent, a foreign-doped conductive polymer and counter-ions which are not covalently bonded to the foreign-doped conductive polymer into at least a part of the anode body (5); c) the at least partial removal of the dispersing agent under obtaining a solid electrolyte (6) in a capacitor body; wherein a self-doped conductive polymer is additionally introduced into at least a part of the anode body (5). Also described are capacitors obtainable by these methods, capacitors, electronic circuits, the use of these capacitors and dispersions.
    Type: Grant
    Filed: September 25, 2013
    Date of Patent: January 23, 2018
    Assignee: Heraeus Precious Metals GmbH & Co. KG
    Inventors: Katrin Asteman, Matthias Intelmann, Udo Merker, Knud Reuter, Armin Sautter
  • Publication number: 20170236647
    Abstract: The present invention relates to a process for producing an electrolytic capacitor, the process comprising process steps i) ii): i) providing a capacitor body (1) that comprises an electrode body (2) of an electrode material, a dielectric (3) which at least partially covers the surface of this electrode material, and a solid electrolyte (4) at least comprising an electrically conductive material which at least partially covers the dielectric surface; ii) applying at least one primer compound e) to the capacitor body (1), followed by an application of a solution or dispersion a) comprising a conjugated polymer b) and a solvent or dispersant d), followed by an at least partial removal of the solvent or dispersant d) for the formation of the polymeric outer layer (5) that is formed onto the capacitor body (1); wherein the primer compound e) is a di- or polyfunctional monomeric compound comprising at least one amine group, which optionally may be protonated, and at least one carboxylic or sulfonic acid group
    Type: Application
    Filed: May 29, 2015
    Publication date: August 17, 2017
    Inventors: Matthias INTELMANN, Udo MERKER, Klaus WUSSOW
  • Publication number: 20170186553
    Abstract: The present invention relates to a process for producing an electrolytic capacitor, the process comprising process steps i) ii): i) providing a capacitor body (1) that comprises an electrode body (2) of an electrode material, a dielectric (3) which at least partially covers the surface of this electrode material, and a solid electrolyte (4) at least comprising an electrically conductive material which at least partially covers the dielectric surface; ii) applying a primer solution e) to the capacitor body (1), followed by an application of a solution or dispersion a) comprising a conjugated polymer b) and a solvent or dispersant d), followed by an at least partial removal of the solvent or dispersant d) for the formation of the polymeric outer layer (5) that is formed onto the capacitor body (1); wherein the primer solution e) comprises at least one monofunctional amine and at least one carboxylic acid.
    Type: Application
    Filed: May 29, 2015
    Publication date: June 29, 2017
    Inventors: Matthias INTELMANN, Udo MERKER, Klaus WUSSOW
  • 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: 9514889
    Abstract: Described is a process for the production of a capacitor, where an electrode body (1) of an electrode material (2) is provided, wherein a dielectric (3) covers one surface (4) of this electrode material (2) at least partly to form an anode body (5), where the in situ polymerization of at least one thiophene monomer in at least a part of the anode body (5) in the presence of at least one oxidizing agent and at least one polymer with the structural formula (I).
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: December 6, 2016
    Assignee: Heraeus Precious Metals GmbH & Co. KG
    Inventors: Katrin Asteman, Udo Merker, 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
  • Patent number: 9508491
    Abstract: The invention is relates to a method for manufacturing a capacitor. The method has the following steps: a) providing an electrode body made of an electrode material, wherein a dielectric at least partially covers a surface of the electrode material, to obtain an anode body; b) introducing a dispersion, which contains particles of an electrically conductive polymer with a particle size (d50) of 70 nm and less and a dispersing agent, into at least a part of the anode body; c) at least partial removing the dispersing agent, to obtain a capacitor body; and d) introducing, into the capacitor body, a polyalkylene glycol or a polyalkylene glycol derivative or a combination of at least two thereof as an impregnating agent.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: November 29, 2016
    Assignee: HERAEUS DEUTSCHLAND GMBH & CO. KG
    Inventors: Udo Merker, Katrin Asteman, Matthias Intelmann, Armin Sautter
  • Patent number: 9502183
    Abstract: Capacitors comprising a dielectric at least partly covering the surface of an electrode material and forming an anode body are described. The anode body may be at least partly coated with a solid electrolyte comprising a conductive polymer. The capacitor comprises at least one polyglycerol, where the ratio of the amount of polyglycerol (Mpg) to the amount of conductive polymer (Mpolymer) in the capacitor is Mpg/Mpolymer>0.15, and the polyglycerol contains more than 50 wt. % of a mixture of tri- and tetraglycerol, based on the total weight of the polyglycerol. Processes for the production of a capacitor, an electronic circuit and use of a capacitor in a dispersion are also described.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: November 22, 2016
    Assignee: Heraeus Precious Metals GmbH & Co. KG
    Inventors: Armin Saulter, Katrin Asteman, Udo Guntermann, Udo Merker
  • Patent number: 9251961
    Abstract: The invention relates to a method for producing electrolytic capacitors with low equivalent series resistance and low residual current, consisting of a solid electrolyte and an intermediate layer and an outer layer comprising conductive polymers, to electrolytic capacitors produced using this method and also to the use of electrolytic capacitors of this type.
    Type: Grant
    Filed: September 4, 2008
    Date of Patent: February 2, 2016
    Assignee: Heraeus Precious Metals GmbH & Co. KG
    Inventors: Udo Merker, Klaus Wussow
  • Publication number: 20150255221
    Abstract: Described are methods for the production of a capacitor, comprising the process steps: a) the provision of an electrode body (1) of an electrode material (2), wherein a dielectric (3) covers one surface (4) of this electrode material (2) at least partly under formation of an anode body (5); b) the introduction of a dispersion comprising a dispersing agent, a foreign-doped conductive polymer and counter-ions which are not covalently bonded to the foreign-doped conductive polymer into at least a part of the anode body (5); c) the at least partial removal of the dispersing agent under obtaining a solid electrolyte (6) in a capacitor body; wherein a self-doped conductive polymer is additionally introduced into at least a part of the anode body (5). Also described are capacitors obtainable by these methods, capacitors, electronic circuits, the use of these capacitors and dispersions.
    Type: Application
    Filed: September 25, 2013
    Publication date: September 10, 2015
    Inventors: Katrin Asteman, Matthias Intelmann, Udo Merker, Knud Reuter, Armin Sautter
  • Patent number: 9111680
    Abstract: The invention relates to a process for producing electrolytic capacitors with low equivalent series resistance, low residual current and high thermal stability, which consist of a solid electrolyte and an outer layer comprising conjugated polymers, to electrolytic capacitors produced by this process and to the use of such electrolylic capacitors.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: August 18, 2015
    Assignee: Heraeus Precious Metals GmbH & Co. KG
    Inventors: Matthias Intelmann, Udo Merker, Klaus Wussow
  • Publication number: 20150140203
    Abstract: The invention relates to a process for producing electrolytic capacitors with low equivalent series resistance, low residual current and high thermal stability, which consist of a solid electrolyte and an outer layer comprising conjugated polymers, to electrolytic capacitors produced by this process and to the use of such electrolytic capacitors.
    Type: Application
    Filed: October 20, 2014
    Publication date: May 21, 2015
    Inventors: Matthias INTELMANN, Udo MERKER, Klaus WUSSOW
  • Publication number: 20150047889
    Abstract: Described is a process for the production of a capacitor, where an electrode body (1) of an electrode material (2) is provided, wherein a dielectric (3) covers one surface (4) of this electrode material (2) at least partly to form an anode body (5), where the in situ polymerization of at least one thiophene monomer in at least a part of the anode body (5) in the presence of at least one oxidizing agent and at least one polymer with the structural formula (I).
    Type: Application
    Filed: March 11, 2013
    Publication date: February 19, 2015
    Inventors: Katrin Asteman, Udo Merker, Klaus Wussow