ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,408, issued on Aug. 5, was assigned to Evoco Ltd. (Toronto).

"Plasticizer lignin compositions" was invented by Jason James Robinson (Toronto), Mustafa Abu Ghalia (Toronto), Radu Lucian Vicol (Toronto) and Guerino G. Sacripante (Oakville, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polyurethane elastomer composition that contains (a) an organic diisocyanate, (b) a polyester resin, (c) a chain extender, (d) an optional crosslinker, (e) an optional colorant, (f) a surfactant, (g) a foaming agent, (h) an optional bio-additive, and a composition comprised of a plasticizer and a lignin."

The patent was filed on Dec. 18, 2020, under Application...