ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,345, issued on Dec. 2, was assigned to NOVA Chemicals (International) S.A. (Fribourg, Switzerland).

"Ethylene copolymer for biaxial orientation" was invented by Maryam Fereydoon (Houston), Shivendra Goyal (Calgary, Canada), Stephen Brown (Calgary, Canada), Owen Lightbody (Calgary, Canada), Norman Aubee (Calgary, Canada), Bronwyn Gillon (Calgary, Canada), Thomas Green (Petrolia, Canada), Lison Mark (Bright's Grove, Canada) and Christian Carello (Calgary, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ethylene copolymer comprising ethylene and at least one alpha olefin having from 4 to 8 carbon atoms has a density f from 0.940 to 0.960 g/cm3,...