Patent · US Expired

Compounds for use in liquid-crystal composition

US5876628A · kind A · utility

4Cited by

5References

9Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Gerhard Illian · Frankfurt am Main, DE
Hubert Schlosser · Hofheim, DE
Ingrid Muller · Niedernhausen, DE
Thoshiaki Nonaka · Iruma, JP
Kazuya Nagao · Saitama, JP
Ayako Takeichi · Tokorozawa, JP
Hidenori Fujiwara · Kakegawa, JP
Rainer Wingen · Hattersheim, DE

Key dates

Filing date	Oct 18, 1995
Grant date	Mar 2, 1999
Priority date	—
Expiry date	Oct 18, 2015

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K2019/3422
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Ferroelectric liquid crystal mixtures containing compounds of the formula (I): ##STR1## wherein R.sup.1 is, for example, a straight-chain or branched alkyl radical having 1 to 22 carbon atoms, in which one --CH.sub.2 -- group may be replaced by --O-- or --CO--O--.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.