Patents by Inventor Sabine Schoen
Sabine Schoen 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: 11479681Abstract: Effect pigments based on Al2O3 flakes with high weather resistance and less photoactivity and to their use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations. The effect pigments have a ratio of the amount by weight of Al2O3 of the Al2O3 flake and the amount by weight of the metal oxide(s) of the coating layer(s) in the range of from 27:73 to 83:17 based on the total weight of the effect pigment.Type: GrantFiled: December 18, 2019Date of Patent: October 25, 2022Assignee: Merck Patent GmbHInventors: Sabine Schoen, Michael Jungnitz, Stefan Schlueter, Kirsten Fritsche, Carsten Plueg, Stephanie Andes, Ulrich Schoenefeld
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Patent number: 11459469Abstract: Effect pigments based on Al2O3 flakes with high weather resistance and less photoactivity and to their use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations. The effect pigments have a ratio of the amount by weight of Al2O3 of the Al2O3 flake and the amount by weight of the metal oxide(s) of the coating layer(s) in the range of from 27:73 to 83:17 based on the total weight of the effect pigment.Type: GrantFiled: December 19, 2018Date of Patent: October 4, 2022Assignee: Merck Patent GmbHInventors: Sabine Schoen, Michael Jungnitz, Stefan Schlueter, Kirsten Fritsche, Carsten Plueg, Stephanie Andes, Ulrich Schoenefeld
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Patent number: 11453789Abstract: Effect pigments based on Al2O3 flakes with high weather resistance and less photoactivity and to their use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations. The effect pigments have a ratio of the amount by weight of Al2O3 of the Al2O3 flake and the amount by weight of the metal oxide(s) of the coating layer(s) in the range of from 27:73 to 83:17 based on the total weight of the effect pigment.Type: GrantFiled: February 22, 2017Date of Patent: September 27, 2022Assignee: Merck Patent GmbHInventors: Sabine Schoen, Michael Jungnitz, Stefan Schlueter, Kirsten Fritsche, Carsten Plueg, Stephanie Andes, Ulrich Schoenefeld
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Publication number: 20220251403Abstract: The present invention relates to alumina flakes having a defined thickness and particle size distribution and to their use in varnishes, paints, automotive coatings, printing inks, masterbatches, plastics and cosmetic formulations and as substrate for effect pigments.Type: ApplicationFiled: April 21, 2022Publication date: August 11, 2022Applicant: Merck Patent GmbHInventors: Ryuta SUZUKI, Gerhard PFAFF, Sabine SCHOEN, Noriyuki MATSUDA, Katsuhisa NITTA
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Publication number: 20220243076Abstract: The present invention relates to alumina flakes having a defined thickness and particle size distribution and to their use in varnishes, paints, automotive coatings, printing inks, masterbatches, plastics and cosmetic formulations and as substrate for effect pigments.Type: ApplicationFiled: April 14, 2022Publication date: August 4, 2022Applicant: Merck Patent GmbHInventors: Ryuta SUZUKI, Gerhard PFAFF, Sabine SCHOEN, Noriyuki MATSUDA, Katsuhisa NITTA
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Publication number: 20220119711Abstract: Liquid-crystalline (LC) media having positive dielectric anisotropy and liquid-crystal displays (LCDs) containing these media, especially displays addressed by an active matrix and in particular to LC displays of the TN, PS-TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, HB-FFS PS-FFS, SA-HB-FFS, polymer stabilised SA-HB-FFS, positive VA or positive PS-VA type.Type: ApplicationFiled: October 14, 2021Publication date: April 21, 2022Applicant: Merck Patent GmbHInventors: Sven Christian Laut, Sabine Schoen
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Publication number: 20220112426Abstract: The present invention relates to a liquid-crystalline medium (LC medium), to the use thereof for electro-optical purposes, and to LC displays containing this medium.Type: ApplicationFiled: December 17, 2019Publication date: April 14, 2022Applicant: MERCK PATENT GMBHInventors: Harald HIRSCHMANN, Andreas POHLE, Christian HOCK, Martina WINDHORST, Sabine SCHOEN
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Patent number: 11279879Abstract: The invention relates to a liquid-crystalline medium, characterised in that it comprises one or more compounds of the formula IA, and one or more compounds of the formula IB, in which RA, RB, XA, XB and Y1-13 have the meanings indicated in Claim 1, and to the use thereof for electro-optical purposes, in particular for shutter glasses, 3D applications, in TN, PS-TN, STN, TN-TFT, OCB, IPS, PS-IPS, FFS, PS-FFS and PS-VA-IPS displays.Type: GrantFiled: July 25, 2018Date of Patent: March 22, 2022Assignee: MERCK PATENT GMBHInventors: Harald Hirschmann, Sabine Schoen
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Patent number: 11180659Abstract: A blended composition containing uncoated Al2O3 flakes having a thickness of ?500 nm and a D50-value of 15-30 ?m and a D90-value of 30-45 ?m, and/or coated Al2O3 flakes having a thickness of ?500 nm and a D50-value of 15-30 ?m and a D90-value of 30-45 ?m, which have been coated with at least one layer of a metal oxide, mixtures of at least two metal oxides, metal, metal sulphide, titanium suboxide, titanium oxynitride, FeO(OH), metal alloys and/or rare earth compounds, and their use in various formulations.Type: GrantFiled: July 2, 2019Date of Patent: November 23, 2021Assignee: Merck Patent GmbHInventors: Ryuta Suzuki, Gerhard Pfaff, Sabine Schoen, Fumiko Sasaki, Satoru Kobayashi, Koshiro Kunii, Yuji Takenaka, Katsuhisa Nitta
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Publication number: 20210322285Abstract: The present invention relates to a pigment mixture based on spherical particles having a defined particle-size distribution, and to the use thereof in paints, coatings, printing inks, security printing inks, plastics, ceramic materials, glasses, in cosmetic formulations, as tracer, as filler and for the preparation of pigment preparations and dry preparations.Type: ApplicationFiled: June 28, 2021Publication date: October 21, 2021Applicant: Merck Patent GmbHInventors: Sylke KLEIN, Lilia HEIDER, Carsten LORENZ, Sabine SCHOEN
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Patent number: 11142649Abstract: The present invention relates to alumina flakes having a defined thickness and particle size distribution and to their use in varnishes, paints, automotive coatings printing inks, masterbatches, plastics and cosmetic formulations and as substrate for effect pigments. and organic dyes.Type: GrantFiled: July 2, 2019Date of Patent: October 12, 2021Assignee: Merck Patent GmbHInventors: Ryuta Suzuki, Gerhard Pfaff, Sabine Schoen, Fumiko Sasaki, Satoru Kobayashi, Koshiro Kunii, Yuji Takenaka, Katsuhisa Nitta
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Publication number: 20210087469Abstract: The invention relates to a liquid-crystalline medium comprising at least one compound of the formula I, in which R1 has the meanings indicated in Claim 1, and to the use thereof in liquid-crystalline media and in electro-optical liquid-crystal displays.Type: ApplicationFiled: December 4, 2020Publication date: March 25, 2021Inventors: Mark GOEBEL, Harald HIRSCHMANN, Lars LIETZAU, Volker REIFFENRATH, Sabine SCHOEN, Brigitte SCHULER
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Patent number: 10822497Abstract: The present invention relates to interference pigments based on transparent, low-refractive-index, flake-form substrates which have a high-refractive-index coating consisting of TiO2 having a layer thickness of 20-200 nm and optionally an outer protective layer, and to the use thereof in paints, coatings, printing inks, security printing inks, plastics, button pastes, ceramic materials, glasses, for seed coloring, as dopants in the laser marking of plastics and papers, as additive for the laser welding of plastics, as additive for coloring in the foods and pharmaceuticals sectors, and in cosmetic formulations and for the preparation of pigment compositions and dry preparations.Type: GrantFiled: March 31, 2016Date of Patent: November 3, 2020Assignee: Merck Patent GmbHInventors: Christoph Schmidt, Tanja Delp, Sabine Schoen
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Publication number: 20200339820Abstract: The present invention relates to effect pigments which are based on flake-form substrates having a circular form factor of 1.2-2 and are coated with at least one high-refractive-index layer, and to the use thereof, inter alia in paints, coatings, printing inks, plastics and in cosmetic formulations.Type: ApplicationFiled: July 6, 2020Publication date: October 29, 2020Applicant: MERCK PATENT GMBHInventors: Gerhard PFAFF, Stephanie ANDES, Klaus AMBROSIUS, Ralf PETRY, Michael ROESLER, Sabine SCHOEN
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Publication number: 20200231827Abstract: The present invention relates to alumina flakes having a defined thickness and particle size distribution and to their use in varnishes, paints, automotive coatings, printing inks, masterbatches, plastics and cosmetic formulations and as substrate for effect pigments.Type: ApplicationFiled: April 8, 2020Publication date: July 23, 2020Applicant: Merck Patent GmbHInventors: Ryuta SUZUKI, Gerhard PFAFF, Sabine SCHOEN, Noriyuki MATSUDA, Katsuhisa NITTA
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Publication number: 20200231828Abstract: The present invention relates to alumina flakes having a defined thickness and particle size distribution and to their use in varnishes, paints, automotive coatings, printing inks, masterbatches, plastics and cosmetic formulations and as substrate for effect pigments.Type: ApplicationFiled: April 8, 2020Publication date: July 23, 2020Applicant: Merck Patent GmbHInventors: Ryuta SUZUKI, Gerhard PFAFF, Sabine SCHOEN, Noriyuki MATSUDA, Katsuhisa NITTA
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Patent number: 10647861Abstract: Alpha-Alumina flakes having a particle thickness of 130-400 nm, a D50-value of 15-30 ?m, a D90-value of 30-45 ?m and a D10-value of <9.5 ?m. Use of the alumina flakes in varnishes, paints, automotive coatings printing inks, masterbatches, plastics and cosmetic formulations. Also, use of the alumina flakes as a substrate for effect pigments and in organic dyes.Type: GrantFiled: April 29, 2014Date of Patent: May 12, 2020Assignee: MERCK PATENT GMBHInventors: Ryuta Suzuki, Gerhard Pfaff, Sabine Schoen, Noriyuki Matsuda, Katsuhisa Nitta
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Publication number: 20200123388Abstract: Effect pigments based on Al2O3 flakes with high weather resistance and less photoactivity and to their use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations. The effect pigments have a ratio of the amount by weight of Al2O3 of the Al2O3 flake and the amount by weight of the metal oxide(s) of the coating layer(s) in the range of from 27:73 to 83:17 based on the total weight of the effect pigment.Type: ApplicationFiled: December 18, 2019Publication date: April 23, 2020Applicant: Merck Patent GmbHInventors: Sabine SCHOEN, Michael JUNGNITZ, Stefan SCHLUETER, Kirsten FRITSCHE, Carsten PLUEG, Stephanie ANDES, Ulrich SCHOENEFELD
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Patent number: 10611963Abstract: The present invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy (??), which is distinguished by the fact that it has a value for the ratio ?1/?n2 in the range 6-45 with a clearing point of >60° C. and a ?? of ??2.3. Media of this type are particularly suitable for electro-optical displays having active-matrix addressing based on the ECB, PA LCD, FFS or IPS effect.Type: GrantFiled: August 15, 2017Date of Patent: April 7, 2020Assignee: Merck Patent GmbHInventors: Melanie Klasen-Memmer, Sabine Schoen
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Patent number: 10533135Abstract: The present invention relates to a liquid-crystalline medium based on a mixture of polar compounds having negative dielectric anisotropy (??), which is distinguished by the fact that it has a value for the ratio ?1/?n2 in the range 6-45 with a clearing point of >60° C. and a ?? of ??2.3. Media of this type are particularly suitable for electro-optical displays having active-matrix addressing based on the ECB, PA LCD, FFS or IPS effect.Type: GrantFiled: August 16, 2013Date of Patent: January 14, 2020Assignee: Merck Patent Gesellschaft Mit Beschrankter HaftungInventors: Melanie Klassen-Memmer, Sabine Schoen