Printing ribbon comprising polycondensates

US5037220A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Volker Serini · Krefeld, DE
• Bernhard Schulte · Krefeld, DE
• Claus Burkhardt · Lörrach, DE
• Dieter Freitag · Krefeld, DE
• Uwe Hucks · Alpen, DE
• Werner Waldenrath · Cologne, DE
• Hans-Leo Weber · Eschenried, DE

Key dates

• Filing date: Jul 13, 1988
• Grant date: Aug 6, 1991
• Expiry date: Jul 13, 2008

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/24967
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Films from aromatic polyesters and from aromatic polyestercarbonates are excellently suitable for preparing printing ribbons, in particular for thermal and electrothermal recording processes.