Heat stabilization or aromatic polycarbonates

US5376715A · kind A · utility

Assignees

• BAYER HEALTHCARE LLC · DE
• Miles Inc. · US

Inventors

• Gerhard Fennhoff · Willich, DE
• Jurgen Kirsch · Cologne, DE
• Karsten-Josef Idel · Krefeld, DE
• Klaus Kircher · Leverkusen, DE
• Charles E. Lundy · Pittsburgh, US

Key dates

• Filing date: Jan 18, 1994
• Grant date: Dec 27, 1994
• Expiry date: Jan 18, 2014

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L69/005
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to silicon compounds, to mixtures thereof in aromatic polycarbonates and aromatic polyester carbonates and to their use as heat stabilizers in aromatic polycarbonates and aromatic polyester carbonates.