Thermoplastic polycarbonates, their preparation and their use as shaped articles and films

US4506066A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Harald Medem · Krefeld, DE
• Manfred Schreckenberg · Krefeld, DE
• Rolf Dhein · Krefeld, DE
• Werner Nouvertne · Krefeld, DE
• Hans Rudolph · Krefeld, DE

Key dates

• Filing date: Apr 13, 1983
• Grant date: Mar 19, 1985
• Expiry date: Apr 13, 2003

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L69/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to high molecular weight thermoplastic hexahydro-furo-(3,2-b)-furane-3,6-diol based copolycarbonates useful as molding resins and to a method for their preparation.