Polymerizable, chiral compounds, and use thereof

US5744057A · kind A · utility

Assignee

• BASF SE

Inventors

• Frank Meyer · Mannheim, DE
• Karl Siemensmeyer · Bischofswerda, DE
• Karl-Heinz Etzbach · Bischofswerda, DE
• Peter Schuhmacher · Mannheim, DE

Key dates

• Filing date: Jun 5, 1996
• Grant date: Apr 28, 1998
• Expiry date: Jun 5, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2019/3408
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A polymerizable, chiral compound of the formula (I): EQU (Z--Y.sup.1 -A-O--CO--O-M-Y.sup.2).sub.n X (I) where: PA1 A, M, Y.sup.1 and Y.sup.2, X, n and Z are as defined herein; and which compound is suitable for use in electro-optical displays or as chiral dopes for nematic or cholesteric liquid crystals for the production of layers which reflect in colors.