US Patent Issued to Dow Global Technologies on Oct. 21 for "Neck-in suppression for tubular LDPE based polymers for extrusion coating at medium and high line speed" (Belgian, American, Swiss Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,503, issued on Oct. 21, was assigned to Dow Global Technologies LLC (Midland, Mich.).

"Neck-in suppression for tubular LDPE based polymers for extrusion coating at medium and high line speed" was invented by Eva-Maria Kupsch (Waedenswil, Switzerland), Yifan Dong (Lake Jackson, Texas) and Sylvie Vervoort (Ghent, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "Embodiments of this disclosure include polymer blends comprising at least 90% by weight low density polyethylene (LDPE) polymer; and from 1% to 10% by weight ethylene acrylate copolymer. The ethylene acrylate copolymer is the polymerized reaction product of: at least 50% by wt. ethylene, ...