ALEXANDRIA, Va., Aug. 26 -- United States Patent no. 12,398,268, issued on Aug. 26, was assigned to ARKEMA FRANCE (Puteaux, France).
"Multilayer structure based on recycled polyamide" was invented by Thibaut Montanari (Serquigny, France), Bertrand Verbauwhede (Serquigny, France), Thierry Vasselin (Tokyo) and Pierre Nidercorn (Grindorff-Bizing, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multilayer tubular structure for transporting fluids for a motor vehicle, including at least three layers: at least one layer having a composition predominantly including at least one semi-crystalline aliphatic polyamide, the composition having at least 50% of recycled material from a multilayer tube that has been...