ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,148, issued on Sept. 1, was assigned to NOVA Chemicals (International) S.A. (Fribourg, Switzerland).
"Polyethylene composition for biaxial orientation" was invented by Maryam Fereydoon (Calgary, Canada), Shivendra Goyal (Calgary, Canada), Sepideh Kasiri (Calgary, Canada), Owen Lightbody (Calgary, Canada), Norman Aubee (Okotoks, Canada) and Bronwyn Gillon (Calgary, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "A polyethylene composition has a density of from 0.941 to 0.962 g/cm3; a melt index, I2 of from 0.5 to 5.0 g/10 min; a melt flow ratio, I21/I2 of less than=40; a Z-average molecular weight distribution, Mz/Mw of less than=2.5; a comonom...