Patents by Inventor Stefan Sepeur

Stefan Sepeur 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: 20200157012
    Abstract: A method for producing a printed concrete element, in particular a printed concrete block, a printed concrete slab or a printed concrete step, is described, comprising at least the following steps: filling concrete into a mold to form a concrete element; printing at least one surface area of the concrete element with a printing composition comprising a binder A and a dye B, the binder A containing at least one siloxane and at least one silane; and curing the concrete element after printing.
    Type: Application
    Filed: April 4, 2018
    Publication date: May 21, 2020
    Inventors: Michael Metten, Guido Volmer, Stefan Sepeur, Alexandra Muth
  • Patent number: 9677183
    Abstract: Electrocatalyst, electrode coating and an electrode for preparing chlorine and process for producing the electrode, the electrocatalyst comprising a noble metal oxide and/or a noble metal of transition groups VIIIa of the Periodic Table of the Elements and at least one finely divided pulverulent oxide of another metal, in which one or more components are doped and the base metal oxide powder is chemically stable in the presence of aqueous electrolytes.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: June 13, 2017
    Assignee: Covestro Deutschland AG
    Inventors: Juergen Kintrup, Andreas Bulan, Elin Hammarberg, Stefan Sepeur, Gerald Frenzer, Frank Gross, Stefanie Eiden
  • Publication number: 20170067172
    Abstract: A process for wet-chemical production of a catalyst coating on an electrically conductive support for electrodes for chloralkali or hydrochloric acid electrolysis with electro catalytically active components based on noble metal oxides, in which the catalyst coating is produced by; producing a coating solution or dispersion comprising a precursor compound of a noble metal and/or a metal oxide of a noble metal, and a solvent or dispersant, with addition of one or more acids to the coating solution or dispersion, where the molar ratio of the total of the amounts of acid (in mol) present in the coating solution or dispersion to the sum of the amounts of the metals from the metal-containing components present in the coating solution or dispersion is at least 2:1; applying the coating solution or dispersion to the support; substantially freeing the layer applied of solvent or dispersant by drying; and subjecting the dried layer obtained to a thermal treatment to form the catalyst coating.
    Type: Application
    Filed: November 18, 2016
    Publication date: March 9, 2017
    Inventors: Juergen Kintrup, Andreas BULAN, Elin HAMMARBERG, Stefan SEPEUR, Gerald FRENZER, Frank GROSS
  • Patent number: 9249480
    Abstract: A method for producing alkali and alkaline earth alloys. It also relates to the use of the alkali and alkaline earth compositions. In order to create a novel method for producing alkali and alkaline earth alloys, it is proposed within the context of the invention that salts, hydroxides, alkoxides or oxides of alkali or alkaline earth compounds be mixed with salts, hydroxides, alkoxides or oxides of semi-metals, nonmetals or metals and then heated to at least 100° C., the salts, hydroxides, alkoxides or oxides of alkali or alkaline earth metals being present in a molar ratio of 1:1 or in excess thereof in relation to the salts, hydroxide, alkoxides or oxides of the semi-metals, nonmetals or metal.
    Type: Grant
    Filed: February 9, 2010
    Date of Patent: February 2, 2016
    Assignees: NANO-X GmbH, ElringKlinger AG
    Inventors: Stefan Sepeur, Gerald Frenzer, Stefan Huefner, Frank Mueller
  • Patent number: 9045829
    Abstract: A process produces a coated metal strip from a semi-finished strip, in which the semi-finished strip is reeled off a coil. A corrosion protection layer is then applied to the semi-finished strip and the coated semi-finished strip is then reeled up to form a coil. The semi-finished strip is a cold-rolled strip obtained by cold rolling, cooling and recrystallization annealing. A medium containing metallic particles is applied to form the corrosion protection layer. The medium is a wet-chemical solution which is applied by spraying, dipping, squirting, flooding or rolling. The corrosion protection layer is dried on the cold-rolled strip by supplying heat at a temperature below the recrystallization annealing temperature of the cold-rolled strip after application of the medium and before reeling-up.
    Type: Grant
    Filed: March 15, 2011
    Date of Patent: June 2, 2015
    Assignees: Bilstein GmbH & Co. KG, Nano-X GmbH
    Inventors: Dieter Krech, Gerald Zwickel, Stefan Sepeur, Stefan Geodicke
  • Publication number: 20140224666
    Abstract: Electrocatalyst, electrode coating and an electrode for preparing chlorine and process for producing the electrode, the electrocatalyst comprising a noble metal oxide and/or a noble metal of transition groups VIIIa of the Periodic Table of the Elements and at least one finely divided pulverulent oxide of another metal, in which one or more components are doped and the base metal oxide powder is chemically stable in the presence of aqueous electrolytes.
    Type: Application
    Filed: February 6, 2014
    Publication date: August 14, 2014
    Inventors: Jürgen KINTRUP, Andreas BULAN, Elin HAMMARBERG, Stefan SEPEUR, Gerald FRENZER, Frank GROß, Stefanie EIDEN
  • Publication number: 20140224667
    Abstract: A process for wet-chemical production of a catalyst coating on an electrically conductive support for electrodes for chloralkali or hydrochloric acid electrolysis with electrocatalytically active components based on noble metal oxides, in which the catalyst coating is produced by; producing a coating solution or dispersion comprising a precursor compound of a noble metal and/or a metal oxide of a noble metal, and a solvent or dispersant, with addition of one or more acids to the coating solution or dispersion, where the molar ratio of the total of the amounts of acid (in mol) present in the coating solution or dispersion to the sum of the amounts of the metals from the metal-containing components present in the coating solution or dispersion is at least 2:1; applying the coating solution or dispersion to the support; substantially freeing the layer applied of solvent or dispersant by drying; and subjecting the dried layer obtained to a thermal treatment to form the catalyst coating.
    Type: Application
    Filed: February 7, 2014
    Publication date: August 14, 2014
    Applicants: NANO-X-GMBH, BAYER MATERIALSCIENCE AG
    Inventors: Jürgen KINTRUP, Andreas BULAN, Elin HAMMARBERG, Stefan SEPEUR, Gerald FRENZER, Frank GROß
  • Publication number: 20130000372
    Abstract: A process produces a coated metal strip from a semi-finished strip, in which the semi-finished strip is reeled off a coil. A corrosion protection layer is then applied to the semi-finished strip and the coated semi-finished strip is then reeled up to form a coil. The semi-finished strip is a cold-rolled strip obtained by cold rolling, cooling and recrystallization annealing. A medium containing metallic particles is applied to form the corrosion protection layer. The medium is a wet-chemical solution which is applied by spraying, dipping, squirting, flooding or rolling. The corrosion protection layer is dried on the cold-rolled strip by supplying heat at a temperature below the recrystallization annealing temperature of the cold-rolled strip after application of the medium and before reeling-up.
    Type: Application
    Filed: March 15, 2011
    Publication date: January 3, 2013
    Applicants: NANO-X GMBH, BILSTEIN GMBH & CO. KG
    Inventors: Dieter Krech, Gerald Zwickel, Stefan Sepeur, Stefan Geodicke
  • Publication number: 20120177835
    Abstract: The invention relates to the use of a coating agent that cures at room temperature. In order to provide a room-temperature-curing coating agent for preventing cathodic corrosion and for application as an aerosol or as brush-on paint, it is proposed that the coating agent be produced by the following method: a) Mixing 5 to 95 wt. % metal alkoxide with 5 to 95 wt. % metal pigment, b) Adding a solvent and up to 10 wt. % (relative to the amount of solid matter) of a catalyst, the catalyst being selected from the group consisting of Lewis acids, organic acids and bases, inorganic bases, functional silanes, in particular aminosilanes, inorganic acids, in particular sulphuric or phosphoric acid, phosphates or blocked phosphates, the coating agent being applied onto a metallic substrate and subsequently dried at room temperature.
    Type: Application
    Filed: September 15, 2010
    Publication date: July 12, 2012
    Applicants: KERONA GMBH, NANO-X GMBH
    Inventors: Stefan Sepeur, Frank Gross, Hans Goetz, Thomas Isleib
  • Publication number: 20120156379
    Abstract: The invention relates to a method for producing alkali and alkaline earth alloys. It also relates to the use of the alkali and alkaline earth compositions. In order to create a novel method for producing alkali and alkaline earth alloys, it is proposed within the context of the invention that salts, hydroxides, alkoxides or oxides of alkali or alkaline earth compounds be mixed with salts, hydroxides, alkoxides or oxides of semi-metals, nonmetals or metals and then heated to at least 100° C., the salts, hydroxides, alkoxides or oxides of alkali or alkaline earth metals being present in a molar ratio of 1:1 or in excess thereof in relation to the salts, hydroxide, alkoxides or oxides of the semi-metals, nonmetals or metals.
    Type: Application
    Filed: February 9, 2010
    Publication date: June 21, 2012
    Applicant: NANO-X GmbH
    Inventors: Stefan Sepeur, Gerald Frenzer, Stefan Huefner, Frank Mueller
  • Publication number: 20120059116
    Abstract: The invention relates to phenolic ester compounds. In order to create a new product class which is suited as coating material, a compound is created within the scope of the invention, having a chemical structure of the following formula: [R1—Ph—O]aX(R2)b(R3)c(OR)n-a-b-c where X=Si, Ti, Zr, Mo, Mn, Cr, W, Hf, Ge, Sn, Pb where n=4 or X=B, V, Al, Ga, In where n=3 or X=Zn, Ni, Cu, alkaline earth where n=2 R1=O—H, H, O—Y or an organic side chain Y=an element which is different from or the same as X and has appropriate substituents R2=alkyl group or functional organic side chain R3=an organic side chain which is the same as or different from R2 Ph=aryl group R=alkyl group a is an integer between 1 and n; b=0 or 1 and c=0 or 1, and a+b+c=n. A compound is thus obtained, in which an aryl group is linked into an ester by way of an O—X group.
    Type: Application
    Filed: May 4, 2010
    Publication date: March 8, 2012
    Applicant: NANO-X GMBH
    Inventors: Stefan Sepeur, Frank Gross
  • Publication number: 20120029143
    Abstract: A process to produce a silane coating includes charging one or several silanes, which are not or only minimally pre-condensed, with a reactant and the thus created coating material is applied onto a substrate and then hardened. Surprisingly it has been shown that, through the reaction involving higher-molecular and only slightly pre-cross-linked silanes with a suitable reactant, a new class of coating materials can be created. The approach is advantageous insofar as restrictions with respect to pot time no longer exist and, in addition, better features of the coating material are obtained, especially a high scratch-resistance.
    Type: Application
    Filed: September 20, 2011
    Publication date: February 2, 2012
    Applicant: NANO-X GMBH
    Inventors: Stefan SEPEUR, Nora LARYEA, Carolin THURN, Gerd SCHLICK
  • Publication number: 20120009340
    Abstract: The invention relates to a method for producing deformable corrosion protection layers on a metallic surface and to use of the method. In order to create an economical process for cathodic corrosion protection of metal for a broad range of applications, the invention proposes a method for producing deformable corrosion protection lavers on a metallic surface, consisting of the following steps: a) Mixing 5 to 95 wt. % metallic magnesium, zinc, aluminum or titanium particles, or mixtures or alloys containing at least one of these metals, in the form of pigments, powders, pastes (flakes) or pellets with 5 to 95 wt. % of at least one metal compound, wherein a reaction between the metal particles and metal compound(s) results in surface-modified metal particles; b) Applying the resulting surface-modified metal particles to the metallic surface; c) Hardening the layer produced from the surface-modified metal particles at temperatures between room temperature and 350° C.
    Type: Application
    Filed: September 17, 2009
    Publication date: January 12, 2012
    Applicant: NANO-X GmbH
    Inventors: Stefan Sepeur, Stefan Goedicke, Christine Breyer, Christina Tasch
  • Patent number: 8039047
    Abstract: A coating for permanent hydrophilization of surfaces and its use are provided. The coating is made of nano-scale particles having hydrophilic side chains, which can be sintered. The coating may be made of 10 to 90% inorganic structures, 5 to 70% hydrophilic side chains, and 0 to 50% organic side chains having functional groups.
    Type: Grant
    Filed: November 13, 2007
    Date of Patent: October 18, 2011
    Assignee: GXC Coatings GmbH
    Inventors: Stefan Sepeur, Nicole Dräger, Stefan Goedicke, Carolin Thurn
  • Publication number: 20110082254
    Abstract: The invention relates to a method for the production of a highly abrasion-resistant vehicle paint, vehicle paint, and the use thereof. In order to create a vehicle paint having extremely high scratch and chemical resistance, particularly for use in multi-layer coating for OEM series coating (particularly as a clear coat or base cast), the invention proposes a method for the production of a highly abrasion-resistant vehicle paint, comprising the following steps: a. Providing at least one organic monomer, oligomer, prepolymer, or organosilane having one or more organic functional groups, or mixtures thereof; b. Saturating the functional groups described in a. by reacting them with silanes having organic side chains that contain one or more corresponding functional groups, the resultant silane having at least six SiOR groups and a molecular weight exceeding 300; c. Absorbing the resultant macro-molecular silanes in solvent, preferably protic or aprotic solvent, or mixtures thereof; d.
    Type: Application
    Filed: March 18, 2009
    Publication date: April 7, 2011
    Applicant: NANO-X GmbH
    Inventors: Stefan Sepeur, Nora Laryea, Carolin Thurn, Gerd Schlick
  • Publication number: 20100184592
    Abstract: The aim of the invention is to provide particles or coatings for splitting water, which are largely protected from corrosive damage. To this end, the particles or the coating consist(s) of a nucleus or a sub-layer and a shell or top layer, the nucleus or the sub-layer forming a reactive unit and consisting of a material which, on input of energy from sunlight, releases electrons capable of splitting water into hydrogen and oxygen, and the shell or top layer forming a protective unit capable of keeping the cleavage products away from the surface of the reactive unit and simultaneously having conductive fractions. Surprisingly, it has been found that corrosive damage to the reactive particles is (largely) prevented by the targeted separation of the reaction particles and the cleavage products over the kinetic range of the released electrons.
    Type: Application
    Filed: June 13, 2008
    Publication date: July 22, 2010
    Applicant: NANO-X GmbH
    Inventors: Stefan Sepeur, Gerald Frenzer, Peter W. Oliveira
  • Publication number: 20100175794
    Abstract: The invention relates to a process for producing an active anti-corrosion coating on steel components. In order to develop an active anti-corrosion coating that can be applied on an industrial scale using conventional means (e.g. dipping, spraying or flooding) and is intended for hot-formed and, in particular, press-hardened steel parts provided with antiscaling means, the invention proposes a process comprising the following process steps: a. Using a steel element provided with an antiscaling layer; b. Annealing the steel element at a temperature above 600° C. in an annealing furnace for the purpose of hardening, semi-hot or hot forming or press hardening and thus producing a reaction layer; c. Applying an anti-corrosion coating to the annealed reaction layer.
    Type: Application
    Filed: August 12, 2008
    Publication date: July 15, 2010
    Inventors: Stefan Sepeur, Stefan Goedicke, Christine Breyer
  • Publication number: 20100098956
    Abstract: The invention relates to a coating material for protecting metals, especially steel, from corrosion and/or scaling, to a method for coating metals and to a metal element. The aim of the invention is to provide a coating material that protects steel from corrosion and/or scaling and that can be welded after heat treatment of the coated steel at temperatures of more than 800° C. For this purpose, substances are provided that render the applied coating material suitable for welding, especially for spot welding. The coating material can be applied by wet chemical methods, it changes its structure when subjected to high temperature processes of more than 600° C. and is suitable as a primer for additional coating materials.
    Type: Application
    Filed: December 7, 2006
    Publication date: April 22, 2010
    Inventors: Stefan Sepeur, Stefan Goedicke, Nicole Reuter
  • Publication number: 20100092686
    Abstract: The invention relates to a method for producing a coating material as well as the use of the coating material. In order to provide a method for producing a novel coating material with which scratchproof coatings can be fabricated and which may also be used as coating powder, it is proposed within the scope of the invention that one or more organic molecules, oligomers or polymers comprising at least one functional group react with one or more silanes comprising at least one functional organic group on an organic side chain to form a covalent bond between the organic molecule, oligomer or polymer and the silane, thus resulting in a high-molecular-weight silane which can be cured directly by means of a catalyst. Surprisingly, it has been found that by reacting organically functionalized silanes, e.g.
    Type: Application
    Filed: April 28, 2008
    Publication date: April 15, 2010
    Inventors: Nora Laryea, Carolin Thurn, Stefan Sepeur
  • Publication number: 20100081569
    Abstract: The invention relates to a coating material having catalytic activity for reducing the combustion temperature of soot and organic substances. It also relates to the use of the coating material. In order to create a catalytically active coating material with which an abrasion-proof coating suitable also for optical applications can be produced for the combustion of soot and organic substances, it is proposed within the scope of the invention that the coating material contains at least 20 and less than 50 wt. % of compounds of subgroup metals or of elements of the third and fourth main groups, and between 10 and 80 wt. % of alkali or alkaline earth compounds, the molar proportion of alkali or alkaline earth compounds being higher than the molar proportion of compounds of subgroup metals or of elements of the third and fourth main groups.
    Type: Application
    Filed: April 1, 2008
    Publication date: April 1, 2010
    Inventors: Stefan Sepeur, Frank Gross, Gerald Frenzer