Organosilicon compounds

US6287650A · kind A · utility

Assignee

• Merck Patentgesellschaft · DE

Inventors

• Detlef Pauluth · Ober-Ramstadt, DE
• Matthias Bremer · Darmstadt, DE
• Edgar Bohm · Clausthal-Zellerfeld, DE
• Akio Osabe · Yokohama, JP
• Gerhard Herget · Ober-Ramstadt, DE
• Wolfgang Hechler · Herbstein, DE

Key dates

• Filing date: Nov 5, 1998
• Grant date: Sep 11, 2001
• Expiry date: Nov 5, 2018

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31663
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

EQU R.sup.1 --(A.sup.1).sub.m --Z.sup.1 --A.sup.2 --(Z.sup.2 --A.sup.3).sub.n --W--SiX.sub.a Y.sub.b Z.sub.c I in which PA1 R.sup.1, A.sup.1, A.sup.2, A.sup.3, Z.sup.1, R.sup.1, Z.sup.2, W, X, Y, Z, m, n, a, b and c are as defined below, can be used to produce homeotropic alignment of liquid-crystalline phases on surfaces.