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US 11,891,557 B2Granted
Isothiocyanato tolane derivatives
AssigneeMerck Patent GmbH
InventorsDmitry Ushakov, Beate Schneider, Carsten Fritzsch, Michael Wittek, Dagmar Klass
Life of this patent
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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.
Claims14
A compound of formula I-1
- in which
- R1 denotes ethyl, n-propyl, n-butyl, n-pentyl, or n-hexyl,
- RL denotes ethyl.
A compound of formula
- in which
- R1 denotes ethyl, n-propyl, n-butyl, n-pentyl, or n-hexyl and
- RL denotes ethyl.
Dependencies are inferred from the claim text.