High molecular weight, random, bisphenol based copoly(phosphonate carbonate)s

US8389664B2 · kind B2 · utility

Assignees

• FRX Polymers, Inc. · US
• Bayer MaterialScience AG · DE

Inventors

• Dieter Freitag · Krefeld, DE
• Pin Go · Lowell, US
• Lawino Kagumba · Cambridge, US
• Stephan Konrad · Dormagen, DE
• Helmut-Werner Heuer · Krefeld, DE
• Berit Krauter · Leichlingen, DE
• Pieter Ooms · Krefeld, DE
• Michael Prein · Brasschaat, BE
• Johann Rechner · Krefeld, DE

Key dates

• Filing date: Sep 16, 2011
• Grant date: Mar 5, 2013
• Expiry date: Sep 16, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08L77/00
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Disclosed are random copoly(phosphonate carbonate)s with the high molecular weight and narrow molecular weight distribution exhibiting a superior combination of properties compared to prior art.