Chiral nematic polyesters

US5766679A · kind A · utility

Assignee

• BASF SE

Inventors

• Karl Siemensmeyer · Bischofswerda, DE
• Frank Meyer · Mannheim, DE
• Karl-Heinz Etzbach · Bischofswerda, DE
• Hans R. Kricheldorf · Hamburg, DE
• Nicolas PROBST · Hamburg, DE

Key dates

• Filing date: Aug 15, 1997
• Grant date: Jun 16, 1998
• Expiry date: Aug 15, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K19/3809
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Chiral nematic polyesters comprise as alcohol component chiral diol structural units and as acid component dicarboxylic acid residues comprising mesogenic groups. The polyesters are particularly suitable for surface coating.