US Patent Issued to NOVA Chemicals (International) on March 3 for "Linear high-density polyethylene with high toughness and high ESCR" (Canadian Inventors)

ALEXANDRIA, Va., March 3 -- United States Patent no. 12,565,579, issued on March 3, was assigned to NOVA Chemicals (International) S.A. (Fribourg, Switzerland).

"Linear high-density polyethylene with high toughness and high ESCR" was invented by Celine Bellehumeur (Calgary, Canada) and Brian Molloy (Airdrie, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "An interpolymer product comprising: a first ethylene interpolymer comprising ethylene and an Alpha-olefin having a weight-average molecular weight (Mw) of greater than 250,000 and a density of less than 0.930 g/cm3, and a second ethylene interpolymer comprising ethylene and an Alpha-olefin wherein the second ethylene interpolymer comprises a Mw of les...