US Patent Issued to HUNTSMAN INTERNATIONAL on Nov. 4 for "Method for improving the flame, smoke and/or toxicity retardancy in polyisocyanurate / polyurethane (PIR/PUR) comprising materials" (Belgian Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,041, issued on Nov. 4, was assigned to HUNTSMAN INTERNATIONAL LLC.

"Method for improving the flame, smoke and/or toxicity retardancy in polyisocyanurate / polyurethane (PIR/PUR) comprising materials" was invented by Rene Alexander Klein (Hoegaarden, Belgium), Nima Esmaeili (Etterbeek, Belgium), Nadja Kathrin Richter (Brussels), Rajesh Kumar Gajendran (Brussels), Xiaodong Guo (Mechelen, Belgium), Thomas Julien Joncheray (Woluwe Saint Pierre, Belgium) and Jan Vandenbroeck (Scherpenheuvel-Zichem, Belgium).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polyisocyanurate and/or polyurethane (PIR/PUR) comprising material having improved Flame. Smoke and/or...