Patents Assigned to Merck Patents GmbH
  • Publication number: 20250188293
    Abstract: Pearlescent pigments with a superior flip flop effect which are based on defined Al2O3 flakes and the use thereof in paints, industrial coatings, automotive coatings, printing inks, cosmetic formulations and in particular as transparent substrate for effect pigments.
    Type: Application
    Filed: December 11, 2024
    Publication date: June 12, 2025
    Applicant: MERCK PATENT GMBH
    Inventors: Atsuko Iwabuchi, Fumiko Sasaki, Satoru Kobayashi
  • Publication number: 20250189829
    Abstract: LCoS panels using liquid crystal (LC) media having negative dielectric anisotropy and LC media comprised therein. The liquid crystal material (LC medium) has negative dielectric anisotropy and high optical anisotropy and is particularly useful in electro-optical displays including projection systems based on vertical alignment (VA) nematic panels.
    Type: Application
    Filed: December 5, 2024
    Publication date: June 12, 2025
    Applicant: MERCK PATENT GmbH
    Inventors: Izumi Saito, Kristin Weiss
  • Publication number: 20250188441
    Abstract: The present invention relates to a method for reducing endotoxin levels or removing endotoxins from nucleic acids. For this a zwitterionic detergent selected from the group of amine oxides or mixtures thereof is added during anion exchange chromatographic purification of the nucleic acids using a membrane or monolith-based sorbent.
    Type: Application
    Filed: March 7, 2023
    Publication date: June 12, 2025
    Applicant: MERCK PATENT GMBH
    Inventors: Anja HEINEN-KREUZIG, Andre KIESEWETTER, Herbert LUTZ, Akshat GUPTA
  • Patent number: 12325817
    Abstract: The present invention relates to liquid-crystal (LC) media as defined in claim 1, having negative dielectric anisotropy and to the use thereof for optical, electro-optical and electronic purposes, in particular in LC displays.
    Type: Grant
    Filed: April 11, 2023
    Date of Patent: June 10, 2025
    Assignee: MERCK PATENT GMBH
    Inventor: Jing Wang
  • Patent number: 12325800
    Abstract: The present invention relates to a laser additive comprising core/shell particles, to a process for the preparation of a laser additive of this type, and to the use thereof, in particular as laser absorber in plastics and plastic-containing coatings of articles.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: June 10, 2025
    Assignee: Merck Patent GmbH
    Inventors: Ralf Petry, Adeliene Schmitt, Christof Hampel
  • Patent number: 12329026
    Abstract: The present invention describes carbazole, dibenzofuran, dibenzothiophene and fluorene derivatives which are substituted by electron-deficient heteroaryl groups, in particular for use as triplet matrix materials in organic electroluminescent devices. The invention furthermore relates to a process for the preparation of the compounds according to the invention and to electronic devices comprising these compounds.
    Type: Grant
    Filed: February 19, 2024
    Date of Patent: June 10, 2025
    Assignee: Merck Patent GmbH
    Inventors: Amir Hossain Parham, Anja Jatsch, Thomas Eberle, Tobias Grossmann, Jonas Valentin Kroeber, Lars Dobelmann-Mara
  • Publication number: 20250179365
    Abstract: LCoS panels using liquid crystal (LC) media having negative dielectric anisotropy and to the LC media comprised therein. The liquid crystal medium (LC medium) is a negative dielectric anisotropy liquid crystal material having high optical anisotropy. It is particularly useful in electro-optical displays including projection systems based on vertical alignment (VA) nematic panels.
    Type: Application
    Filed: November 27, 2024
    Publication date: June 5, 2025
    Applicant: MERCK PATENT GmbH
    Inventors: Jeong- Hee Sung, Sing Yee Sung, Shinji Kakei
  • Publication number: 20250179364
    Abstract: Isothiocyanatoethynylbenzene derivatives of formula I liquid crystal media comprising the isothiocyanatoethynylbenzene derivatives, and high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas (e.g., phased array antennas), and devices comprising said components. Further, an optical component comprising said liquid-crystalline media, operable in the infrared region of the electromagnetic spectrum, the use of said LC medium in the infrared (IR) region, and devices comprising said optical component.
    Type: Application
    Filed: December 16, 2022
    Publication date: June 5, 2025
    Applicant: MERCK PATENT Gmbh
    Inventors: Constanze BROCKE, Andreas TAUGERBECK
  • Patent number: 12319810
    Abstract: The present invention relates to a composition comprising components a), b) and c). The component a) is a block copolymer or a blend of block copolymers. The component b) is a low Tg additive selected from the group consisting of an oligo random oligo random copolymer b-1), an oligo diblock copolymer b-2), an oligo diblock copolymer b-3) and a mixture of at least two of these. The component c) is a is a spin casting organic solvent. The invention also pertains to the use of said compositions in directed self-assembly. The invention further pertains to the novel oligo diblock copolymer b-2) which is an oligo diblock copolymer of block A-b) and block B-b), wherein block A-b) is a random copolymer of repeat units having structures (III), and (IV and block B-b) is a random copolymer of repeat units having structures (V), and (VI).
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: June 3, 2025
    Assignee: Merck Patent GmbH
    Inventors: Durairaj Baskaran, Victor Monreal
  • Patent number: 12312529
    Abstract: New compounds and their mixtures enable the formation of the ferroelectric nematic liquid crystalline phase at ambient temperature. Compounds of the formula I are presented, in which the variable groups have the meanings indicated in claim 1. Liquid crystal media comprise at least one compound of the formula I.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: May 27, 2025
    Assignee: MERCK PATENT GMBH
    Inventors: Matthias Bremer, Atsutaka Manabe, Martin Kraska
  • Publication number: 20250160050
    Abstract: The invention relates to solar cells or solar cell modules comprising a layer on or in the front radiation-receiving side of the solar cell comprising effect pigments consisting of a transparent or semi-transparent flake-form substrate coated with one or more layers of transparent or semi-transparent materials and optionally with a post coating, and a process for their preparation.
    Type: Application
    Filed: January 14, 2025
    Publication date: May 15, 2025
    Applicant: Merck Patent GmbH
    Inventors: Marc HUNGER, Johannes TASCH, Cairon PLATZER, Oliver DOLL, Piotr WIERZCHOWIEC, Sebastian BARTH, Laurent DELOUX
  • Publication number: 20250155330
    Abstract: The present invention relates to a particle monitoring system and to a process of monitoring particles in a sample fluid.
    Type: Application
    Filed: February 20, 2023
    Publication date: May 15, 2025
    Applicants: MERCK PATENT GMBH, MBV AG
    Inventors: Anne-Grit KLEES, Tony ANCRUM, Corina KELLER, Roland DURNER, Andy ZINGRE
  • Publication number: 20250154412
    Abstract: A compound of formula AN a liquid crystal material comprising a compound of formula AN, and high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tuneable filters, tuneable metamaterial structures, and electronic beam steering antennas, e.g., phased array antennas.
    Type: Application
    Filed: October 29, 2024
    Publication date: May 15, 2025
    Applicant: MERCK PATENT GmbH
    Inventors: Constanze Brocke, Dagmar Klass, Matthias Jost, Amir Hossain Parham
  • Patent number: 12297386
    Abstract: The present invention relates to a compound of formula G as defined in claim 1, to a liquid crystal medium comprising a compound of formula G and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, tunable filters, tunable metamaterial structures, and electronic beam steering antennas, e.g. phased array antennas.
    Type: Grant
    Filed: October 25, 2021
    Date of Patent: May 13, 2025
    Assignee: MERCK PATENT GMBH
    Inventors: Constanze Brocke, Carsten Fritzsch, Dagmar Klass
  • Patent number: 12297537
    Abstract: Compounds for selectively forming metal-containing films are provided. Methods of forming metal-containing films are also provided. The methods include forming a blocking layer, for example, on a first substrate surface, by a first deposition process and forming the metal-containing film, for example, on a second substrate surface, by a second deposition process.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: May 13, 2025
    Assignee: MERCK PATENT GMBH
    Inventors: Charith Nanayakkara, Joby Eldo, Jacob Woodruff, Charles Dezelah, Shawn Sungeun Hong, Ravindra Kanjolia, Daniel Moser, Mark C. Potyen
  • Publication number: 20250145833
    Abstract: Metal effect pigments, having a surface treatment comprising A) phosphoric acid (H3PO4), B) tetraethyl orthosilicate (TEOS) and C) at least one organic coupling agent to the metal effect pigments, exhibiting excellent humidity resistance performance without any influence on the chroma, luster and color of base metal effect pigments, a process for producing same and their use.
    Type: Application
    Filed: February 6, 2023
    Publication date: May 8, 2025
    Applicant: MERCK PATENT GmbH
    Inventor: Bangyin LI
  • Publication number: 20250142980
    Abstract: A layer, sheet or film containing one or more flake-form effect pigments and one or more light scattering centers, methods for its preparation, its use for any type of device collecting solar cell energy, including but not limited to coloring solar cells or solar cell modules, and devices collecting solar cell energy, including but not limited to colored solar cells or colored solar cell modules, comprising such a layer, sheet or film, and methods for their preparation.
    Type: Application
    Filed: August 9, 2022
    Publication date: May 1, 2025
    Applicant: Merck Patent GmbH
    Inventors: Sebastian BARTH, Laurent DELOUX, Marc HUNGER, Zhen WENG, Claudio BRIGHINA, Jan-Niclas KONZ
  • Publication number: 20250136868
    Abstract: Liquid-crystalline (LC) media or LC materials and energy saving liquid-crystal displays (LCDs) containing these media, especially gaming displays and AR/VR headsets 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, XB-FFS, PS-FFS, SA-HB-FFS, SA-XB-FFS, polymer stabilised SA-HB-FFS, polymer stabilised SA-XB-FFS, positive VA or positive PS-VA type.
    Type: Application
    Filed: August 29, 2024
    Publication date: May 1, 2025
    Applicant: Merck Patent GmbH
    Inventors: Sven Christian Laut, Hee-Kyu Lee, Jing Wang
  • Patent number: 12286503
    Abstract: The disclosed subject matter relates compounds of structure (I), and polymers of structure (II) having a polydispersity ranging from 1 to about 1.1, compositions comprising said polymers and a spin casting solvent, the process of forming a pinning layer selectively on metal with said composition and the process of using said pinning layers to affect chemoepitaxy directed self-assembly of an overlying block copolymer, and the subsequent process of pattern transfer of this self-assembled layer into a substrate by etching.
    Type: Grant
    Filed: October 18, 2021
    Date of Patent: April 29, 2025
    Assignee: Merck Patent GmbH
    Inventors: EunJeong Jeong, Durairaj Baskaran, Jihoon Kim
  • Patent number: 12286449
    Abstract: Metal complexes including cyclopentadienyl ligands and methods of using such metal complexes to prepare metal-containing films are provided.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: April 29, 2025
    Assignee: MERCK PATENT GMBH
    Inventors: Ming Fang, Joby Eldo, Charles Dezelah, Daniel Moser, Ravi Kanjolia