Patents by Inventor Dagmar Klass
Dagmar Klass 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: 11964933Abstract: 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: October 8, 2020Date of Patent: April 23, 2024Assignee: MERCK PATENT GMBHInventors: Constanze Brocke, Dmitry Ushakov, Carsten Fritzsch, Dagmar Klass
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Publication number: 20240124780Abstract: The present invention relates to heteroaromatic isothiocyanates of formula N as defined in claim 1, to liquid-crystalline media comprising one or more compounds of formula N 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: December 13, 2021Publication date: April 18, 2024Applicant: MERCK PATENT GMBHInventors: Amir Hossain PARHAM, Constanze BROCKE, Carsten FRITZSCH, Dagmar KLASS
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Publication number: 20240124779Abstract: The present invention relates to heteroaromatic isothiocyanates of formula N as defined in claim 1, to liquid-crystalline media comprising one or more compounds of formula N 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: December 14, 2021Publication date: April 18, 2024Applicant: MERCK PATENT GMBHInventors: Constanze BROCKE, Dagmar KLASS, Carsten FRITSCH, Amir Hossain PARHAM
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Publication number: 20240117249Abstract: 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: ApplicationFiled: October 25, 2021Publication date: April 11, 2024Applicant: MERCK PATENT GMBHInventors: Constanze BROCKE, Carsten FRITZSCH, Dagmar KLASS
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Publication number: 20240101903Abstract: Compounds of formula I liquid crystal media containing these compounds, 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, phased array antennas, and devices containing these components, and furthermore optical components containing these liquid-crystalline media, operable in the infrared region of the electromagnetic spectrum.Type: ApplicationFiled: August 25, 2023Publication date: March 28, 2024Applicant: MERCK PATENT GMBHInventors: Amir Hossain PARHAM, Constanze BROCKE, Carsten Fritzsch, Dagmar KLASS, Matthias JOST
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Publication number: 20240072425Abstract: The present invention relates to a liquid crystal medium comprising aromatic isothiocyanates of formula C as defined in claim 1, 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 25, 2021Publication date: February 29, 2024Applicant: MERCK PATENT GMBHInventors: Constanze BROCKE, Carsten FRITZSCH, Dagmar KLASS
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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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Publication number: 20230392075Abstract: The present invention relates to a compound of formula T as defined in claim 1, to a liquid crystal medium comprising a compound of formula T 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 25, 2021Publication date: December 7, 2023Applicant: MERCK PATENT GMBHInventors: Amir Hossain PARHAM, Constanze BROCKE, Carsten FRITZSCH, Dagmar KLASS
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Publication number: 20230392076Abstract: The present invention relates to a compound of formula UI as defined in claim 1, to a liquid crystal medium comprising a compound of formula UI 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 25, 2021Publication date: December 7, 2023Applicant: MERCK PATENT GMBHInventors: Constanze BROCKE, Dagmar KLASS, Carsten FRITSCH
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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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Publication number: 20230313043Abstract: The present invention relates to an optical component comprising a liquid crystal (LC) medium, operable in the infrared region of the electromagnetic spectrum. The invention further relates to the use of said LC medium in the infrared (IR) region and to devices comprising said optical component. The present invention further relates to an LC medium comprising one or more compounds of the formulae I, II, and III in which the occurring groups and parameters have the meanings defined in claim 1, and preferably one or more compounds of the formula RO in which the occurring groups and parameters have the meanings defined in claim 2.Type: ApplicationFiled: July 6, 2021Publication date: October 5, 2023Applicant: Merck Patent GmbHInventors: Izumi SAITO, Owain Llyr PARRI, Andreas TAUGERBECK, Carsten FRITZSCH, Dagmar KLASS
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Publication number: 20230295509Abstract: A steerable antenna having a plurality of radiating elements and a plurality of modifier elements configured for shifting phase and/or adjusting amplitude of a signal to be emitted by the radiating elements is disclosed. Each of the radiating elements is coupled to one of the modifier elements, wherein the modifier elements each comprise a liquid crystalline medium and wherein the modifier elements are configured such that the adjustment of the phase and/or amplitude is dependent on a state of the liquid crystalline medium. The steerable antenna further comprises a signal generator connected to the modifier elements and configured for generating a signal suited for dielectric heating of the liquid crystalline media of the modifier elements. Further aspects relate to a method for heating and/or controlling the temperature of the liquid crystalline medium of such a steerable antenna.Type: ApplicationFiled: June 7, 2021Publication date: September 21, 2023Applicant: MERCK PATENT GMBHInventors: Michael WITTEK, Carsten FRITZSCH, Dagmar KLASS
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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: 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