ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,131, issued on Nov. 25, was assigned to MYREPLAST S.R.L. (Milan).

"Method for the selection and separation of polymers originating from urban and/or industrial plastic waste" was invented by Paola Sclafani (Milan), Francesco Micheletti (Arzignano, Italy), Marco Rizzo (Brescia, Italy) and Luigi Molinari (Desenzano del Garda, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention concerns a method for the selection and separation of polymers originating from urban and/or industrial plastic waste to obtain plastic materials for recycling which comprises a first step of supplying a mixture of polymers composed of flakes of polymers h...