ALEXANDRIA, Va., July 14 -- United States Patent no. 12,679,943, issued on July 14, was assigned to HUNTSMAN INTERNATIONAL LLC.

"Additive for reducing polyurethane foam degradation" was invented by Pietro Buono (Everberg, Belgium), Dion Deriks (Everberg, Belgium), Wouter Geers (Everberg, Belgium), Heiko Heinrich Humbert (Everberg, Belgium), Geert Lodewijk Dries (Everberg, Germany) and Petra Emma Vanderstraeten (Everberg, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to sulfonic acid esters for use as additives in a polyurethane formulation. The polyurethane formulation further includes a compound containing an isocyanate functional group, an active hydrogen-containing ...