US Patent Issued to Basell Polyolefine on June 2 for "Process for producing a polyethylene composition comprising bimodal or multimodal polyethylene" (Italian Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,996, issued on June 2, was assigned to Basell Polyolefine GmbH (Wesseling, Germany).

"Process for producing a polyethylene composition comprising bimodal or multimodal polyethylene" was invented by Decio Malucelli (Ferrara, Italy) and Marco Consalvi (Ferrara, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for preparing a polyethylene composition made from or containing bimodal or multimodal polyethylene in an extruder device including the steps of (i) mixing a bimodal or multimodal polyethylene having a density from 0.940 g/cm3 to 0.968 g/cm3, in the form of a polyethylene powder, with an additive, in a mixing device at a temperature ...