US Patent Issued to ALPLA WERKE ALWIN LEHNER on June 16 for "Process for deodorization of recycled polyolefin pellets" (Austrian, German Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,654,361, issued on June 16, was assigned to ALPLA WERKE ALWIN LEHNER GMBH & Co. (Hard, Austria).

"Process for deodorization of recycled polyolefin pellets" was invented by Robert Siegl (Dornbirn, Austria) and Michael Heyde (Bergisch Gladbach, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "Process for deodorization of recycled polyolefin pellets (23) in three steps: In a first step, the moist pellets (23) are contacted with a circulating inert gas at a temperature between 110deg C. and 160deg C. in a steam stripper (11), and the steam is precipitated in a condensate trap (29). In a second step, the pellets (23) are sent to a vacuum silo (13) unde...