Patents by Inventor Reinhold Rüger
Reinhold Rüger 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).
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Patent number: 8940189Abstract: The present invention relates to intensely colored and/or optically variable pigments which have a flake-form transparent or semitransparent electrically conductive core and at least one coloring dielectric layer surrounding the core, to a process for the preparation of such pigments, and to the use thereof.Type: GrantFiled: December 11, 2008Date of Patent: January 27, 2015Assignee: Merck Patent GmbHInventors: Burkhard Krietsch, Matthias Kuntz, Reinhold Rueger
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Publication number: 20140284075Abstract: The present invention relates to a thermally conductive, self-supporting, electrically insulating, flexible sheet, which is advantageously useful for the insulation of electrical machines or devices, to a process for the manufacture as well as to the use thereof.Type: ApplicationFiled: October 1, 2012Publication date: September 25, 2014Applicant: MERCK PATENT GMBHInventors: Ryuta Suzuki, Matthias Kuntz, Reinhold Rueger
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Patent number: 8801968Abstract: The invention relates to surface-modified phosphor particles based on luminescent particles which comprise at least one luminescent compound, where (Ca,Sr,Ba)2SiO4 and other silicates having one or more activator ions, such as Eu, Ce and Mn, are excluded as luminescent compounds, and where at least one inorganic layer comprising oxides/hydroxides of Si, Al, Zr, Zn, Ti and/or mixtures thereof and an organic coating of organosilanes or polyorganosiloxanes (silicones) and/or mixtures thereof are applied to the luminescent particles, and to a production process.Type: GrantFiled: October 29, 2008Date of Patent: August 12, 2014Assignee: Merck Patent GmbHInventors: Ralf Petry, Reinhold Rueger, Tim Vosgroene, Holger Winkler
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Patent number: 8747708Abstract: The present invention relates to a transparent, electrically conductive floor care composition, in particular for antistatic flooring, which is distinguished by the fact that it comprises one or more conductive pigments.Type: GrantFiled: March 21, 2011Date of Patent: June 10, 2014Assignee: Merck Patent GmbHInventors: Reinhold Rueger, Matthias Kuntz, Christina Maggakis-Kelemen
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Patent number: 8568526Abstract: The present invention relates to a glass composition comprising crystalline phases, and to glass flakes produced therefrom. These glass flakes can be used as base substrate for effect pigments. The glass flakes can furthermore be used in paints, coatings, printing inks, plastics and in cosmetic formulations. The glass flakes are converted into glass-ceramics, and are present in one of the following composition ranges I or II in % by weight: I: 40-50 SiO2, 10-20 B2O3, 10-20 Na2O, 15-30 TiO2; II: 10-60 SiO2, 5-30 B2O3, 5-40 TiO2, 2-20 Nb2O5, 2-20 Fe2O3, 5-40 Na2O+K2O+CaO+SrO+BaO.Type: GrantFiled: May 15, 2009Date of Patent: October 29, 2013Assignee: Merck Patent GmbHInventors: Reinhold Rueger, Anke Geisen, Gerald Karn
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Publication number: 20130248781Abstract: The present invention relates to semiconducting pigments based on flake-form substrates which have a doped tin dioxide layer on the surface and to the use of the pigments in paints, coatings, printing inks, plastics, security applications, floorcoverings, films, formulations, ceramic materials, glasses, paper, for laser marking, in thermal protection, in dry preparations, in pigment preparations and in particular as varistor pigment.Type: ApplicationFiled: November 2, 2011Publication date: September 26, 2013Applicant: MERCK PATENT GmbHInventors: Reinhold Rueger, Matthias Kuntz
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Publication number: 20130244022Abstract: The present invention relates to dielectric coatings and articles having high, but precisely defined specific surface resistances.Type: ApplicationFiled: November 2, 2011Publication date: September 19, 2013Applicant: MERCK PATENT GMBHInventors: Reinhold Rueger, Matthias Kuntz
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Patent number: 8519609Abstract: The invention relates to coated phosphor particles comprising luminescent particles and a, preferably substantially transparent, metal, transition-metal or semimetal oxide coating, and to a process for the production thereof.Type: GrantFiled: October 11, 2008Date of Patent: August 27, 2013Assignee: Merck Patent GmbHInventors: Holger Winkler, Ralf Petry, Reinhold Rueger, Tim Vosgroene
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Patent number: 8500901Abstract: The present invention relates to interference pigments based on coated flake-form substrates which are distinguished by the fact in that they comprise (A) a layer of SiO2 having a layer thickness of 5-350 nm, (B) a high-refractive-index coating having a refractive index n of >1.8 and/or (C) an interference system consisting of alternating high- and low-refractive-index layers and optionally (D) an outer protective layer, and to the use thereof in paints, coatings, automotive paints, powder coatings, printing inks, security printing inks, plastics, ceramic materials, glasses, paper, in toners for electrophotographic printing processes, in seed, in greenhouse sheeting and tent awnings, as absorbers in the laser marking of paper and plastics, in cosmetic formulations, for the preparation of pigment pastes with water, organic and/or aqueous solvents, and for the preparation of pigment preparations and dry preparations.Type: GrantFiled: March 22, 2010Date of Patent: August 6, 2013Assignee: Merck Patent GmbHInventors: Reinhold Rueger, Klaus Ambrosius, Marcus Mathias, Helge Bettina Kniess
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Patent number: 8454861Abstract: The present invention relates to optically variable pigments of high electrical conductivity which comprise a flake-form substrate, which essentially consists of silicon dioxide and/or silicon oxide hydrate, and an electrically conductive layer surrounding the substrate, to a process for the preparation thereof, and to the use of pigments of this type.Type: GrantFiled: December 11, 2008Date of Patent: June 4, 2013Assignee: Merck Patent GmbHInventors: Burkhard Krietsch, Matthias Kuntz, Reinhold Rueger
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Publication number: 20110227005Abstract: The present invention relates to a transparent, electrically conductive floor care composition, in particular for antistatic flooring, which is distinguished by the fact that it comprises one or more conductive pigments.Type: ApplicationFiled: March 21, 2011Publication date: September 22, 2011Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Reinhold Rueger, Matthias Kuntz, Christina Maggakis-Kelemen
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Publication number: 20110129674Abstract: The present invention relates to a glass composition comprising crystalline phases, and to glass flakes produced therefrom. These glass flakes can be used as base substrate for effect pigments. The glass flakes can furthermore be used in paints, coatings, printing inks, plastics and in cosmetic formulations. The glass flakes are converted into glass-ceramics, and are present in one of the following composition ranges I or II in % by weight: I: 40-50 SiO2, 10-20 B2O3, 10-20 Na2O, 15-30 TiO2; II: 10-60 SiO2, 5-30 B2O3, 5-40 TiO2, 2-20 Nb2O5, 2-20 Fe2O3, 5-40 Na2O+K2O+CaO+SrO+BaO.Type: ApplicationFiled: May 15, 2009Publication date: June 2, 2011Applicant: MERCK PATENT GESELLSCHAFT MIT BESCHRANKTER HAFTUNGInventors: Reinhold Rueger, Anke Geisen, Gerald Karn
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Publication number: 20100283076Abstract: The invention relates to coated phosphor particles comprising luminescent particles and at least one, preferably substantially transparent, metal, transition-metal or semimetal oxide coating, and to a process for the production thereof.Type: ApplicationFiled: October 14, 2008Publication date: November 11, 2010Applicant: Merck Patent Gesellschaft MIT Berschrankter HaftunInventors: Holger Winkler, Reinhold Rueger
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Publication number: 20100270510Abstract: The present invention relates to intensely coloured and/or optically variable pigments which have a flake-form transparent or semitransparent electrically conductive core and at least one colouring dielectric layer surrounding the core, to a process for the preparation of such pigments, and to the use thereof.Type: ApplicationFiled: December 11, 2008Publication date: October 28, 2010Applicant: Merck Patent Gesellschaft Mit Beschrankter HaftungInventors: Burkhard Krietsch, Matthias Kuntz, Reinhold Rueger
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Publication number: 20100264809Abstract: The invention relates to coated phosphor particles comprising luminescent particles and a, preferably substantially transparent, metal, transition-metal or semimetal oxide coating, and to a process for the production thereof.Type: ApplicationFiled: October 11, 2008Publication date: October 21, 2010Applicant: Merck Patent GmbHInventors: Holger Winkler, Ralf Petry, Reinhold Rueger, Tim Vosgroene
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Publication number: 20100259156Abstract: The invention relates to surface-modified phosphor particles based on luminescent particles of (Ca,Sr,Ba)2SiO4 and/or other silicates, in each case individually or mixtures thereof with one or more activator ions, such as Eu, Mn, Ce and/or Mg and/or Zn, where at least one metal, transition-metal or semimetal oxide coating and an organic coating are applied to the luminescent particles, and to a preparation process.Type: ApplicationFiled: October 23, 2008Publication date: October 14, 2010Applicant: MERCK PATENT GESELLSCHAFTInventors: Holger Winkler, Reinhold Rueger, Ralf Petry, Tim Vosgroene, Walter Tews
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Publication number: 20100258769Abstract: The present invention relates to optically variable pigments of high electrical conductivity which comprise a flake-form substrate, which essentially consists of silicon dioxide and/or silicon oxide hydrate, and an electrically conductive layer surrounding the substrate, to a process for the preparation thereof, and to the use of pigments of this type.Type: ApplicationFiled: December 11, 2008Publication date: October 14, 2010Applicant: Merck Patent GmbHInventors: Burkhard Krietsch, Matthias Kuntz, Reinhold Rueger
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Publication number: 20100175587Abstract: The present invention relates to interference pigments based on coated flake-form substrates which are distinguished by the fact in that they comprise (A) a layer of SiO2 having a layer thickness of 5-350 nm, (B) a high-refractive-index coating having a refractive index n of >1.8 and/or (C) an interference system consisting of alternating high- and low-refractive-index layers and optionally (D) an outer protective layer, and to the use thereof in paints, coatings, automotive paints, powder coatings, printing inks, security printing inks, plastics, ceramic materials, glasses, paper, in toners for electrophotographic printing processes, in seed, in greenhouse sheeting and tent awnings, as absorbers in the laser marking of paper and plastics, in cosmetic formulations, for the preparation of pigment pastes with water, organic and/or aqueous solvents, and for the preparation of pigment preparations and dry preparations.Type: ApplicationFiled: March 22, 2010Publication date: July 15, 2010Inventors: Reinhold Rueger, Klaus Ambrosius, Marcus Mathias, Helge Bettina Kniess
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Patent number: 7416688Abstract: Disclosed are transparent conductive pigments of flake-form substrates coated with a conductive layer, where the number-weighted mean particle area F50 of the transparent conductive pigments is greater than or equal to 150 ?m2, and processes for the production of the pigments, and the use thereof.Type: GrantFiled: May 17, 2005Date of Patent: August 26, 2008Assignee: Merck Patent Gesellschaft mit beschrankter HaftungInventors: Gerhard Pfaff, Reinhold Rueger, Otto Stahlecker, Frank Ott
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Patent number: 7396401Abstract: Effect pigments based on a flake-form substrate that have a circular or elliptical shape or have the shape of a polygon, the preparation thereof, and the use thereof, for example, in paints or coatings, or as tracers.Type: GrantFiled: July 20, 2004Date of Patent: July 8, 2008Assignee: Merck Patent GmbHInventors: Michael Jungnitz, Gerald Fuchs-Pohl, Reinhold Rueger