Patents by Inventor Dmitry Ushakov

Dmitry Ushakov 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: 11891557
    Abstract: Isothiocyanato tolane derivatives of formula I-1 and liquid-crystalline media comprising same are suitable for use in high-frequency components, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, in particular for microwave phased-array antennas.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: February 6, 2024
    Assignee: MERCK PATENT GMBH
    Inventors: Dmitry Ushakov, Beate Schneider, Carsten Fritzsch, Michael Wittek, Dagmar Klass
  • Patent number: 11834599
    Abstract: Aromatic isothiocyanates of formula C liquid-crystalline media comprising one or more compounds of formula C, 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.
    Type: Grant
    Filed: December 8, 2020
    Date of Patent: December 5, 2023
    Assignee: Merck Patent GmbH
    Inventors: Constanze Brocke, Dmitry Ushakov, Dagmar Klass, Carsten Fritzsch
  • Patent number: 11739265
    Abstract: The present invention relates to aromatic isothiocyanates of formula U as defined in claim 1, to liquid-crystalline media comprising one or more compounds of formula U 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: August 27, 2020
    Date of Patent: August 29, 2023
    Assignee: Merck Patent GmbH
    Inventors: Constanze Brocke, Dmitry Ushakov, Katharina Linke, Dagmar Klass, Carsten Fritzsch
  • Patent number: 11718791
    Abstract: The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment type.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: August 8, 2023
    Assignee: MERCK PATENT GMBH
    Inventors: Dmitry Ushakov, Kaja Christina Deing, Qiong Tong
  • Patent number: 11667840
    Abstract: The present invention relates to liquid-crystalline media comprising one or more compounds of formula DFS in which the groups and parameters occurring have the meanings indicated in claim 1, to high-frequency components comprising same, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, in particular for microwave phased-array antennas. The present invention further relates to novel mesogenic compounds.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: June 6, 2023
    Assignee: Merck Patent GmbH
    Inventors: Atsutaka Manabe, Christian Jasper, Volker Reiffenrath, Constanze Brocke, Detlef Pauluth, Dagmar Klass, Michael Wittek, Renate Seeger, Dmitry Ushakov, Beate Schneider
  • Publication number: 20230104326
    Abstract: Aromatic isothiocyanates of formula C liquid-crystalline media comprising one or more compounds of formula C, 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.
    Type: Application
    Filed: December 8, 2020
    Publication date: April 6, 2023
    Applicant: Merck Patent GmbH
    Inventors: Constanze Brocke, Dmitry Ushakov, Dagmar Klass, Carsten Fritzsch
  • Publication number: 20230025385
    Abstract: The present invention relates to aromatic isothiocyanates of formula U as defined in claim 1, to liquid-crystalline media comprising one or more compounds of formula U 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: Application
    Filed: October 8, 2020
    Publication date: January 26, 2023
    Applicant: Merck Patent GmbH
    Inventors: Constanze BROCKE, Dmitry USHAKOV, Carsten FRITZSCH, Dagmar KLASS
  • Patent number: 11485723
    Abstract: The present invention relates to dibenzofuans and dibenzothiophenes thiophenes of formula I in which the occurring groups and parameters have the meanings as indicated in claim 1, to liquid-crystalline media comprising same and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, in particular for microwave phased-array antennas.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: November 1, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Dmitry Ushakov, Beate Schneider, Carsten Fritzsch, Dagmar Klass
  • Publication number: 20220306938
    Abstract: The present invention relates to aromatic isothiocyanates of formula U as defined in claim 1, to liquid-crystalline media comprising one or more compounds of formula U 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: Application
    Filed: August 27, 2020
    Publication date: September 29, 2022
    Applicant: Merck Patent GmbH
    Inventors: Constanze BROCKE, Dmitry USHAKOV, Katharina LINKE, Dagmar KLASS, Carsten FRITZSCH
  • Patent number: 11427761
    Abstract: Liquid-crystalline media comprising one or more compounds of formula T as defined in claim 1, 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.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: August 30, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Constanze Brocke, Dmitry Ushakov, Beate Schneider, Dagmar Klass, Carsten Fritzsch
  • Patent number: 11306251
    Abstract: Liquid-crystalline media having one or more compounds of formula C and high-frequency components containing 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: May 16, 2019
    Date of Patent: April 19, 2022
    Assignee: MERCK PATENT GMBH
    Inventors: Dagmar Klass, Carsten Fritzsch, Dmitry Ushakov, Beate Schneider
  • Patent number: 11299676
    Abstract: The present invention relates to a mixture comprising a not fully aromatic polymerisable compound and a polymerisable photoinitiator, to liquid-crystal (LC) media comprising them, and to the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment type.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: April 12, 2022
    Assignee: Merck Patent GmbH
    Inventors: Qiong Tong, Dmitry Ushakov, Helga Haas, Steffen Gnauck, Thorsten Rachor, Sven Schuepfer, Simon Mundinger
  • Publication number: 20220073822
    Abstract: The present invention relates to components for high-frequency technology, 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) comprising a liquid-crystalline medium, and to the liquid-crystalline medium used therein, wherein the liquid crystal medium comprises one or more compounds of formula S as defined in claim 1.
    Type: Application
    Filed: December 11, 2019
    Publication date: March 10, 2022
    Applicant: Merck Patent GmbH
    Inventors: Dagmar KLASS, Carsten FRITZSCH, Constanze BROCKE, Dmitry USHAKOV, Beate SCHNEIDER
  • Patent number: 11174432
    Abstract: The present invention relates to 2,3-dihydrobenzothiophene derivatives of the general formula I In which the occurring groups and parameters have the meanings indicated in claim 1, to the use thereof in liquid-crystalline or mesogenic media, to liquid-crystalline or mesogenic media comprising these derivatives, and to electro-optical display elements containing these liquid-crystalline or mesogenic media.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: November 16, 2021
    Assignee: MERCK PATENT GMBH
    Inventors: Dmitry Ushakov, Helga Haas, Thorsten Vom Stein
  • Patent number: 11072742
    Abstract: A liquid-crystalline media (LC media) containing a low-molecular-weight, non-polymer component, and a combination of self-alignment additives for vertical alignment of two or more of the specified kinds (formulae IA to IM). The combination of two or more self-alignment additives affect homeotropic (vertical) alignment of the LC media at a surface or the cell surfaces of a liquid-crystal display (LC display).
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: July 27, 2021
    Assignee: MERCK PATENT GMBH
    Inventors: Graziano Archetti, Izumi Saito, Rocco Fortte, Edward Plummer, Dmitry Ushakov, Helmut Haensel, Melanie Klasen-Memmer
  • Publication number: 20210139781
    Abstract: The present invention relates to polymerisable compounds, to processes and intermediates for the preparation thereof, to liquid-crystal (LC) media comprising them, and to the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment type.
    Type: Application
    Filed: March 6, 2018
    Publication date: May 13, 2021
    Applicant: MERCK PATENT GMBH
    Inventors: Dmitry USHAKOV, Kaja Christina DEING, Qiong TONG
  • Patent number: 10995273
    Abstract: Polymerisable compounds, processes and intermediates for the preparation thereof, liquid-crystal (LC) media comprising them, and the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment type.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: May 4, 2021
    Assignee: Merck Patent GmbH
    Inventors: Dmitry Ushakov, Kaja Christina Deing
  • Publication number: 20210122977
    Abstract: The present invention relates to isothiocyanato tolane derivatives of formula I in which the occurring groups have the meanings indicated in claim 1, to a process for their preparation, to liquid-crystalline media comprising same and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, in particular for microwave phased-array antennas.
    Type: Application
    Filed: September 11, 2018
    Publication date: April 29, 2021
    Applicant: MERCK PATENT GMBH
    Inventors: Dmitry USHAKOV, Beate SCHNEIDER, Carsten FRITZSCH, Michael WITTEK, Dagmar KLASS
  • Publication number: 20210122725
    Abstract: The present invention relates to dibenzofuans and dibenzothiophenes thiophenes of formula I in which the occurring groups and parameters have the meanings as indicated in claim 1, to liquid-crystalline media comprising same and to high-frequency components comprising these media, especially microwave components for high-frequency devices, such as devices for shifting the phase of microwaves, in particular for microwave phased-array antennas.
    Type: Application
    Filed: October 16, 2018
    Publication date: April 29, 2021
    Applicant: MERCK PATENT GMBH
    Inventors: Dmitry USHAKOV, Beate SCHNEIDER, Carsten FRITZSCH, Dagmar KLASS
  • Publication number: 20210009901
    Abstract: Liquid-crystal (LC) display devices comprising polymerisable compounds, processes and intermediates for the preparation of the devices and compounds, LC media comprising the compounds, and the use of the polymerisable compounds and LC media for optical, electro-optical and electronic purposes, in particular in LC displays, especially in LC displays of the polymer sustained alignment type.
    Type: Application
    Filed: July 21, 2020
    Publication date: January 14, 2021
    Applicant: Merck Patent GmbH
    Inventors: Dmitry USHAKOV, Kaja Christina DEING