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).
-
Patent number: 11920075Abstract: 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: GrantFiled: December 17, 2019Date of Patent: March 5, 2024Assignee: MERCK PATENT GMBHInventors: Harald Hirschmann, Andreas Pohle, Christian Hock, Martina Windhorst, Sabine Schoen
-
Patent number: 11891542Abstract: 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 21, 2022Date of Patent: February 6, 2024Assignee: MERCK PATENT GMBHInventors: Ryuta Suzuki, Gerhard Pfaff, Sabine Schoen, Noriyuki Matsuda, Katsuhisa Nitta
-
Patent number: 11891541Abstract: 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 14, 2022Date of Patent: February 6, 2024Assignee: MERCK PATENT GMBHInventors: Ryuta Suzuki, Gerhard Pfaff, Sabine Schoen, Noriyuki Matsuda, Katsuhisa Nitta
-
Patent number: 11884863Abstract: A liquid-crystalline medium having least one compound of the formula I, and at least one compound of the formulae ST-1 to ST-17, in which R1 and R1*, A1 and A1*, Z1 and Z1*, X, L1 and L2, RST, ring A, ZST, p and q have the meanings indicated in claim 1, and the use thereof for an active-matrix display, in particular based on the VA, PSA, PA-VA, SS-VA, SA-VA, PS-VA, PALC, IPS, PS-IPS, UB-FFS, U-IPS, FFS or PS-FFS effect.Type: GrantFiled: July 22, 2019Date of Patent: January 30, 2024Assignee: MERCK PATENT GMBHInventors: Harald Hirschmann, Sabine Schoen
-
Publication number: 20230392077Abstract: A liquid-crystal (LC) medium based on a mixture of polar compounds, its use for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the vertically aligned mode, to an LC display of the vertically aligned mode containing the LC medium, especially an energy-saving LC display and a process of manufacturing the LC display.Type: ApplicationFiled: June 1, 2023Publication date: December 7, 2023Applicant: MERCK PATENT GMBHInventors: Harald HIRSCHMANN, Sabine SCHOEN, Philipp WUCHER
-
Publication number: 20230357637Abstract: A liquid crystal medium containing a) one or more compounds of formula I b) one or more compounds of the formula IIBa and c) one or more compounds of the formula IIDa and the use thereof for optical, electro-optical and/or electronic purposes, in particular in LC displays, especially in IPS, FFS, VA or PS-VA displays.Type: ApplicationFiled: May 4, 2023Publication date: November 9, 2023Applicant: MERCK PATENT GMBHInventors: Harald HIRSCHMANN, Sabine SCHOEN
-
Patent number: 11773270Abstract: 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: GrantFiled: July 6, 2020Date of Patent: October 3, 2023Assignee: MERCK PATENT GMBHInventors: Gerhard Pfaff, Stephanie Andes, Klaus Ambrosius, Ralf Petry, Michael Roesler, Sabine Schoen
-
Publication number: 20230272282Abstract: The present invention relates to liquid-crystal (LC) media having negative dielectric anisotropy comprising one or more compounds of formula I and one, two, three or more compounds of formula III as defined in claim 1, and to the use of the LC media for optical, electro-optical and electronic purposes, in particular useful to enable energy-saving LC displays of the VA, IPS or FFS type.Type: ApplicationFiled: October 17, 2022Publication date: August 31, 2023Applicant: MERCK PATENT GMBHInventors: Harald HIRSCHMANN, Kaja Christina DEING, Brigitte SCHULER, Sabine SCHOEN
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
