Amino terminated phosphonamide oligomers and flame retardant compositions therefrom

US9783737B2 · kind B2 · utility

Assignee

• FRX Polymers, Inc. · US

Inventors

• Dieter Freitag · Krefeld, DE
• Marc-Andre LEBEL · Boxborough, US
• Lawino Kagumba · Cambridge, US
• Marc E. LEBEL · Pickering, CA
• Peter Schuler · Karlsruhe, DE

Key dates

• Filing date: Nov 11, 2011
• Grant date: Oct 10, 2017
• Expiry date: Aug 5, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/0066
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to the use of amino terminated phosphonamides and their oligomers, as flame retardant additives for a variety of polymers to impart flame retardancy while maintaining or improving processing characteristics and other important properties.