Patents Assigned to Merck Patents GmbH
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Publication number: 20250188293Abstract: 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: ApplicationFiled: December 11, 2024Publication date: June 12, 2025Applicant: MERCK PATENT GMBHInventors: Atsuko Iwabuchi, Fumiko Sasaki, Satoru Kobayashi
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Publication number: 20250189829Abstract: 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: ApplicationFiled: December 5, 2024Publication date: June 12, 2025Applicant: MERCK PATENT GmbHInventors: Izumi Saito, Kristin Weiss
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Publication number: 20250188441Abstract: 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: ApplicationFiled: March 7, 2023Publication date: June 12, 2025Applicant: MERCK PATENT GMBHInventors: Anja HEINEN-KREUZIG, Andre KIESEWETTER, Herbert LUTZ, Akshat GUPTA
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Patent number: 12325817Abstract: 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: GrantFiled: April 11, 2023Date of Patent: June 10, 2025Assignee: MERCK PATENT GMBHInventor: Jing Wang
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Patent number: 12325800Abstract: 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: GrantFiled: September 15, 2020Date of Patent: June 10, 2025Assignee: Merck Patent GmbHInventors: Ralf Petry, Adeliene Schmitt, Christof Hampel
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Patent number: 12329026Abstract: 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: GrantFiled: February 19, 2024Date of Patent: June 10, 2025Assignee: Merck Patent GmbHInventors: Amir Hossain Parham, Anja Jatsch, Thomas Eberle, Tobias Grossmann, Jonas Valentin Kroeber, Lars Dobelmann-Mara
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Publication number: 20250179365Abstract: 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: ApplicationFiled: November 27, 2024Publication date: June 5, 2025Applicant: MERCK PATENT GmbHInventors: Jeong- Hee Sung, Sing Yee Sung, Shinji Kakei
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Publication number: 20250179364Abstract: 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: ApplicationFiled: December 16, 2022Publication date: June 5, 2025Applicant: MERCK PATENT GmbhInventors: Constanze BROCKE, Andreas TAUGERBECK
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Patent number: 12319810Abstract: 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: GrantFiled: January 15, 2020Date of Patent: June 3, 2025Assignee: Merck Patent GmbHInventors: Durairaj Baskaran, Victor Monreal
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Patent number: 12312529Abstract: 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: GrantFiled: November 30, 2021Date of Patent: May 27, 2025Assignee: MERCK PATENT GMBHInventors: Matthias Bremer, Atsutaka Manabe, Martin Kraska
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Publication number: 20250160050Abstract: 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: ApplicationFiled: January 14, 2025Publication date: May 15, 2025Applicant: Merck Patent GmbHInventors: Marc HUNGER, Johannes TASCH, Cairon PLATZER, Oliver DOLL, Piotr WIERZCHOWIEC, Sebastian BARTH, Laurent DELOUX
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Publication number: 20250155330Abstract: The present invention relates to a particle monitoring system and to a process of monitoring particles in a sample fluid.Type: ApplicationFiled: February 20, 2023Publication date: May 15, 2025Applicants: MERCK PATENT GMBH, MBV AGInventors: Anne-Grit KLEES, Tony ANCRUM, Corina KELLER, Roland DURNER, Andy ZINGRE
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Publication number: 20250154412Abstract: 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: ApplicationFiled: October 29, 2024Publication date: May 15, 2025Applicant: MERCK PATENT GmbHInventors: Constanze Brocke, Dagmar Klass, Matthias Jost, Amir Hossain Parham
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Patent number: 12297386Abstract: 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: GrantFiled: October 25, 2021Date of Patent: May 13, 2025Assignee: MERCK PATENT GMBHInventors: Constanze Brocke, Carsten Fritzsch, Dagmar Klass
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Patent number: 12297537Abstract: 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: GrantFiled: November 3, 2020Date of Patent: May 13, 2025Assignee: MERCK PATENT GMBHInventors: Charith Nanayakkara, Joby Eldo, Jacob Woodruff, Charles Dezelah, Shawn Sungeun Hong, Ravindra Kanjolia, Daniel Moser, Mark C. Potyen
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Publication number: 20250145833Abstract: 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: ApplicationFiled: February 6, 2023Publication date: May 8, 2025Applicant: MERCK PATENT GmbHInventor: Bangyin LI
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Publication number: 20250142980Abstract: 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: ApplicationFiled: August 9, 2022Publication date: May 1, 2025Applicant: Merck Patent GmbHInventors: Sebastian BARTH, Laurent DELOUX, Marc HUNGER, Zhen WENG, Claudio BRIGHINA, Jan-Niclas KONZ
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Publication number: 20250136868Abstract: 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: ApplicationFiled: August 29, 2024Publication date: May 1, 2025Applicant: Merck Patent GmbHInventors: Sven Christian Laut, Hee-Kyu Lee, Jing Wang
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Patent number: 12286503Abstract: 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: GrantFiled: October 18, 2021Date of Patent: April 29, 2025Assignee: Merck Patent GmbHInventors: EunJeong Jeong, Durairaj Baskaran, Jihoon Kim
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Patent number: 12286449Abstract: Metal complexes including cyclopentadienyl ligands and methods of using such metal complexes to prepare metal-containing films are provided.Type: GrantFiled: March 11, 2022Date of Patent: April 29, 2025Assignee: MERCK PATENT GMBHInventors: Ming Fang, Joby Eldo, Charles Dezelah, Daniel Moser, Ravi Kanjolia