US Patent Issued to ARKEMA FRANCE on Sept. 30 for "Thermoplastic composition made from a polyamide polymer obtained from a prepolymer and a chain extender and manufacturing method" (French Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,525, issued on Sept. 30, was assigned to ARKEMA FRANCE (Puteaux, France).

"Thermoplastic composition made from a polyamide polymer obtained from a prepolymer and a chain extender and manufacturing method" was invented by Thierry Briffaud (Caorches Saint Nicolas, France), Gilles Hochstetter (L'hay les Roses, France) and Mathieu Capelot (Serquigny, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composition including at least one polyamide polymer obtained from at least one reactive polyamide prepolymer including at least one chain extender (PA1-All1-PA1), the polyamide polymer being prepared at a temperature T1 no lower than the temperature ...