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).
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Patent number: 11891557Abstract: 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: GrantFiled: September 11, 2018Date of Patent: February 6, 2024Assignee: MERCK PATENT GMBHInventors: Dmitry Ushakov, Beate Schneider, Carsten Fritzsch, Michael Wittek, Dagmar Klass
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Patent number: 11834599Abstract: 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: GrantFiled: December 8, 2020Date of Patent: December 5, 2023Assignee: Merck Patent GmbHInventors: Constanze Brocke, Dmitry Ushakov, Dagmar Klass, Carsten Fritzsch
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Patent number: 11739265Abstract: 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: GrantFiled: August 27, 2020Date of Patent: August 29, 2023Assignee: Merck Patent GmbHInventors: Constanze Brocke, Dmitry Ushakov, Katharina Linke, Dagmar Klass, Carsten Fritzsch
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Patent number: 11718791Abstract: 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: GrantFiled: March 6, 2018Date of Patent: August 8, 2023Assignee: MERCK PATENT GMBHInventors: Dmitry Ushakov, Kaja Christina Deing, Qiong Tong
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Patent number: 11667840Abstract: 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: GrantFiled: October 23, 2017Date of Patent: June 6, 2023Assignee: Merck Patent GmbHInventors: Atsutaka Manabe, Christian Jasper, Volker Reiffenrath, Constanze Brocke, Detlef Pauluth, Dagmar Klass, Michael Wittek, Renate Seeger, Dmitry Ushakov, Beate Schneider
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Publication number: 20230104326Abstract: 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: ApplicationFiled: December 8, 2020Publication date: April 6, 2023Applicant: Merck Patent GmbHInventors: Constanze Brocke, Dmitry Ushakov, Dagmar Klass, Carsten Fritzsch
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Publication number: 20230025385Abstract: 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: ApplicationFiled: October 8, 2020Publication date: January 26, 2023Applicant: Merck Patent GmbHInventors: Constanze BROCKE, Dmitry USHAKOV, Carsten FRITZSCH, Dagmar KLASS
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Patent number: 11485723Abstract: 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: GrantFiled: October 16, 2018Date of Patent: November 1, 2022Assignee: MERCK PATENT GMBHInventors: Dmitry Ushakov, Beate Schneider, Carsten Fritzsch, Dagmar Klass
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Publication number: 20220306938Abstract: 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: ApplicationFiled: August 27, 2020Publication date: September 29, 2022Applicant: Merck Patent GmbHInventors: Constanze BROCKE, Dmitry USHAKOV, Katharina LINKE, Dagmar KLASS, Carsten FRITZSCH
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Patent number: 11427761Abstract: 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: GrantFiled: April 29, 2020Date of Patent: August 30, 2022Assignee: MERCK PATENT GMBHInventors: Constanze Brocke, Dmitry Ushakov, Beate Schneider, Dagmar Klass, Carsten Fritzsch
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Patent number: 11306251Abstract: 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: GrantFiled: May 16, 2019Date of Patent: April 19, 2022Assignee: MERCK PATENT GMBHInventors: Dagmar Klass, Carsten Fritzsch, Dmitry Ushakov, Beate Schneider
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Patent number: 11299676Abstract: 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: GrantFiled: September 26, 2018Date of Patent: April 12, 2022Assignee: Merck Patent GmbHInventors: Qiong Tong, Dmitry Ushakov, Helga Haas, Steffen Gnauck, Thorsten Rachor, Sven Schuepfer, Simon Mundinger
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Publication number: 20220073822Abstract: 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: ApplicationFiled: December 11, 2019Publication date: March 10, 2022Applicant: Merck Patent GmbHInventors: Dagmar KLASS, Carsten FRITZSCH, Constanze BROCKE, Dmitry USHAKOV, Beate SCHNEIDER
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Patent number: 11174432Abstract: 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: GrantFiled: June 25, 2018Date of Patent: November 16, 2021Assignee: MERCK PATENT GMBHInventors: Dmitry Ushakov, Helga Haas, Thorsten Vom Stein
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Patent number: 11072742Abstract: 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: GrantFiled: December 19, 2018Date of Patent: July 27, 2021Assignee: MERCK PATENT GMBHInventors: Graziano Archetti, Izumi Saito, Rocco Fortte, Edward Plummer, Dmitry Ushakov, Helmut Haensel, Melanie Klasen-Memmer
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Publication number: 20210139781Abstract: 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: ApplicationFiled: March 6, 2018Publication date: May 13, 2021Applicant: MERCK PATENT GMBHInventors: Dmitry USHAKOV, Kaja Christina DEING, Qiong TONG
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Patent number: 10995273Abstract: 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: GrantFiled: December 7, 2017Date of Patent: May 4, 2021Assignee: Merck Patent GmbHInventors: Dmitry Ushakov, Kaja Christina Deing
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Publication number: 20210122977Abstract: 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: ApplicationFiled: September 11, 2018Publication date: April 29, 2021Applicant: MERCK PATENT GMBHInventors: Dmitry USHAKOV, Beate SCHNEIDER, Carsten FRITZSCH, Michael WITTEK, Dagmar KLASS
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Publication number: 20210122725Abstract: 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: ApplicationFiled: October 16, 2018Publication date: April 29, 2021Applicant: MERCK PATENT GMBHInventors: Dmitry USHAKOV, Beate SCHNEIDER, Carsten FRITZSCH, Dagmar KLASS
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Publication number: 20210009901Abstract: 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: ApplicationFiled: July 21, 2020Publication date: January 14, 2021Applicant: Merck Patent GmbHInventors: Dmitry USHAKOV, Kaja Christina DEING