US Patent Issued to ARKEMA FRANCE on Feb. 3 for "Thermoplastic polymer powder for 3D printing with improved recyclability" (French Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,251, issued on Feb. 3, was assigned to ARKEMA FRANCE (Puteaux, France).

"Thermoplastic polymer powder for 3D printing with improved recyclability" was invented by Ornella Zovi (Serquigny, France), Arnaud Lemaitre (Serquigny, France) and Jean-Charles Durand (Serquigny, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A powder intended for 3D printing, based on thermoplastic polymer, wherein it contains at least 0.1% by weight of at least one thioether antioxidant relative to the total weight of powder. Also, a process for stabilizing the color of a powder based on polymer in a 3D printing process, in which at least 0.1% by weight of at least one ...