Aromatic isothiocyanates

US11739265B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Constanze Brocke · Groß-Gerau, DE
• Dmitry USHAKOV · Kohlenbissen, DE
• Katharina Linke · Rodgau, DE
• Dagmar Klass · Darmstadt, DE
• Carsten Fritzsch · Darmstadt, DE

Key dates

• Filing date: Aug 27, 2020
• Grant date: Aug 29, 2023
• Expiry date: Aug 27, 2040

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2219/11
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

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.