ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,615, issued on March 18, was assigned to ARKEMA FRANCE (Colombes, France).
"Transparent polymeric composition" was invented by Mathieu Sabard (Serquigny, France), Philippe Blondel (Bernay, France), Benjamin Saillard (Serquigny, France) and Frederic Malet (Pierre-Benite, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A polyamide-based polymer composition including: a) 50% to 98% by weight of a transparent amorphous polyamide; b) 1% to 15% by weight of a polymer in the form of core-shell particles; and c) 1% to 15% by weight of a polyether block and polyamide block copolymer, wherein the polyether block and polyamide block copolymer has: as a ...