ALEXANDRIA, Va., March 17 -- United States Patent no. 12,576,572, issued on March 17, was assigned to Dow Global Technologies LLC (Midland, Mich.).
"Filament composition" was invented by Albert Carbonell (Tarragona, Spain), Eduardo Alvarez-Acedo (Tarragona, Spain) and Maria Isabel Arroyo Villan (Tarragona, Spain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A composition for forming a filament including a blend of: (a) from 1 wt % to 40 wt % of a post-consumer recycled material having a density of from 0.910 g/cm3 to 0.940 g/cm3 and a melt index of from 1.0 g/10 min to 5.0 g/10 min; wherein the post-consumer recycled material consists essentially of (ai) from 30 wt % to 99 wt % of a linear low density polye...