Process for the manufacture of thermoplastic polycarbonate

US5648437A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Thomas Fischer · Graz, AT
• Rolf Bachmann · Busswil, CH
• Uwe Hucks · Alpen, DE
• Franz Ferdinand Rhiel · Dormagen, DE
• Steffen Kuhling · Meerbusch, DE

Key dates

• Filing date: Mar 20, 1996
• Grant date: Jul 15, 1997
• Expiry date: Mar 20, 2016

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2219/1942
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention provides a melt process for the manufacture of thermoplastic solvent-free polycarbonates with the use of a continuously operated tubular reactor for monophenol vaporization.