Bicyclohexyls

US4622164A · kind A · utility

Assignees

• Merck Patent GmbH · DE
• The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · GB

Inventors

• Rudolf Eidenschink · Mainz, DE
• Michael C. Romer · Rodgau, DE
• Georg Weber · Langen (Hessen), DE
• George W. Gray · Corby, GB
• Kenneth J. Toyne · Cudworth, GB

Key dates

• Filing date: Jun 14, 1984
• Grant date: Nov 11, 1986
• Expiry date: Jun 14, 2004

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C2601/14
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

New bicyclohexyls of the formula I EQU R.sup.1 --Cy--Cy--R.sup.2 wherein R.sup.1 and R.sup.2 are each alkyl which has 1-10 C atoms and in which one or two CH.sub.2 group(s) can be replaced by O atoms, and Cy is 1,4-cyclohexylene, PA1 are suitable for use as the components of liquid-crystal dielectrics.