ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,540,235, issued on Feb. 3, was assigned to Nova Chemicals (International) S.A. (Fribourg, Switzerland).
"Rotomolding composition" was invented by Carmine D'Agostino (Mississauga, Canada) and Gilbert Arnould (Calgary, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A polyethylene composition suitable for rotomolding and comprising a blend of a stabilized polyethylene, and optionally substantially non-stabilized polyethylene, with a recycled polymer (PCR), is described. By using a PCR with a higher density and lower melt flow as compared to the stabilized polyethylene, a higher portion of the recycled polymer is present on the interior surface the ro...