Polycarbonates containing aryl phosphines

US5627256A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Helmut-Martin Meier · Ratingen, DE
• Hartmut L ower · Krefeld, DE
• Wolfgang Ebert · Krefeld, DE
• Claus Wulff · Krefeld, DE

Key dates

• Filing date: Dec 11, 1995
• Grant date: May 6, 1997
• Expiry date: Dec 11, 2015

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/50
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to thermoplastic aromatic polycarbonates having a content of special aryl phosphines, to their preparation, and to their use in the light engineering sector and in optics.