US Patent Issued to Politecnico di Milano on July 21 for "Process of degradation of waste plastic polymeric material mixture and relating plant" (Italian Inventor)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,686,750, issued on July 21, was assigned to Politecnico di Milano (Milano MI, Italy).

"Process of degradation of waste plastic polymeric material mixture and relating plant" was invented by Flavio Manenti (Seriate, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "Degradation process of mixtures of waste plastic polymeric material containing halogenated polymers comprising the steps of: a) melting said plastic material at Tless than200deg C. and less than equal to220deg C.; b) dehalogenating the molten mixture by production of gaseous halogenidric acid from the previous step (a) at T between 300 and 410deg C., preferably between 320 and 380deg C.: c)...