ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,678, issued on Dec. 9, was assigned to NOVA Chemicals (International) S.A. (Fribourg, Switzerland).
"Biaxially oriented MDPE film" was invented by Norman Aubee (Okotoks, Canada), Owen Lightbody (Calgary, Canada), Maryam Fereydoon (Calgary, Canada), Bronwyn Gillon (Calgary, Canada), Patrick Lam (Calgary, Canada) and Shivendra Goyal (Calgary, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A Biaxially Oriented Polyethylene (BOPE) process uses a selected polyethylene having a medium density and a very broad molecular weight distribution. The use of this selected polyethylene facilitates stretching in the BOPE process in comparison to previously us...