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Helmut Schmidt, Herbert Krug, Peter W Oliveira, Stefan Sepeur: Optical components with a graded-index structure, and method of manufacturing such components. Institut für Neue Materialien gemeinnützige, Heller Erhman White & McAuliffe, May 22, 2001: US06236493 (45 worldwide citation)

Optical components have a material-distribution gradient due to nanometer-size particles embedded in a solid matrix. The components are manufactured by forming a dispersion of nanometer-size particles in a liquid, curable matrix material, causing the particles to migrate in the matrix material on th ...


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Ralph Nonninger, Christian Goebbert, Helmut Schmidt, Robert Drumm, Stefan Sepeur: Method for preparing suspensions and powders based in indium tin oxide and the use thereof. Institut für Neue Materialien gem, Heller Ehrman White & McAuliffe, March 18, 2003: US06533966 (24 worldwide citation)

Suspensions and powders based on indium tin oxide are prepared by a method in which indium tin oxide precursors are precipitated from solutions in one or more solvents in the presence of one or more surface-modifying components, the solvent(s) are removed from the precipitate, which is then calcined ...


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Peter Bier, Herbert Krug, Stefan Sepeur, Sabine Stein: Coating compounds based on silanes containing epoxide groups. Bayer Aktiengesellschaft, Institut fur Neue Materilien gem, Joseph C Gil, Thomas W Roy, March 26, 2002: US06361868 (21 worldwide citation)

The present invention provides a coating composition which comprises at least one silicon compound (A) which has at least one radical which is bonded directly to Si, is not able to be separated hydrolytically and contains an epoxy group, a particulate material (B) which is selected from among oxides ...


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Andreas Gier, Nora Kunze, Martin Mennig, Peter W Oliveira, Stefan Sepeur, Bruno Schaefer, Helmut Schmidt: Method for producing a microstructured surface relief by embossing thixotropic layers. Institut fuer Neue Materialien gemeinnuetzige, Greenblum & Bernstein, February 15, 2005: US06855371 (14 worldwide citation)

A method is described for producing a microstructured surface relief by applying to a substrate a coating composition which is thixotropic or which acquires thixotropic properties by pretreatment on the substrate, embossing the surface relief into the applied thixotropic coating composition with an ...


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Thomas Benthien, Stefan Faber, Gerhard Jonschker, Stefan Sepeur, Helmut Schmidt, Philipp Stoessel, Frank Joerdens, Gerhard Schmidmayer: Silane-based coating with a deodorizing effect for domestic appliances. Institut für Neue Materialien gem, BSH Bosch und Siemens Hausgeräte, Heller Ehrman White & McAuliffe, December 2, 2003: US06656425 (13 worldwide citation)

Domestic appliances are provided with a catalytic deodorizing coating, prepared by applying a coating material containing a polycondensate of at least one hydrolysable organosilane, optionally one or more compounds of glass-forming elements, and particles of one or more catalytically active transiti ...


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Reiner Kasemann, Nora Kunze, Helmut Schmidt, Stefan Sepeur: Method for producing thermoshaped substrates coated with a sol-gel lacquer. Institut für Neue Materialien gemeinnützige, Heller Ehrman White & McAuliffe, November 19, 2002: US06482525 (9 worldwide citation)

What is described is a method for producing a thermally shaped substrate coated with a sol-gel coating material, in which the sol-gel coating material comprises one or more hydrolyzable silanes, which may have been hydrolyzed to form a precondensate, and, if desired, a crosslinking agent, at least s ...


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Uwe Paar, Stefan Sepeur, Stefan Goedicke, Kurt Steinhoff: Method for coating metal surfaces. Volkswagen, Nano X, Thyssenkrupp Steel, January 12, 2010: US07645404 (8 worldwide citation)

A composition for producing a protective coat against scaling on metallic surfaces. The composition includes, as binders, hydrolysates/condensates of at least one silane or a silicone resin binder and also, further, at least one metallic filler.


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Thomas Benthien, Stefan Faber, Gerhard Jonschker, Stefan Sepeur, Helmut Schmidt, Philipp Stoessel: Silane-based coating mass with a catalytic, oxidative and deodorizing effect. Leibniz Institut Fuer Neue Materialien Gemeinnuetzige, Greenblum & Bernstein, May 2, 2006: US07037596 (8 worldwide citation)

This invention relates to a catalytic composition which comprises a coating of a coating material on a support and is obtainable by applying the coating material, comprising (1) a polycondensate of at least one hydrolysable organosilane and also, if desired, one or more compounds of glass-forming el ...



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