US Patent Issued to Dow Global Technologies on Sept. 8 for "Sulfur containing polyisocyanate polyaddition (PIPA) polyol with improved flame retardant properties and foams containing them" (Swiss, British, Dutch Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,264, issued on Sept. 8, was assigned to Dow Global Technologies LLC (Midland, Mich.).

"Sulfur containing polyisocyanate polyaddition (PIPA) polyol with improved flame retardant properties and foams containing them" was invented by Hamideh Ahmadloo (Horgen, Switzerland), Paul Cookson (Cheadle, Great Britain), Nasim Hooshyar (Terneuzen, Netherlands) and Nebojsa Jelic (Wangen, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a sulfur containing polyisocyanate polyaddition (PIPA) polyether polyol dispersion at a readily processible viscosity for use in making flexible polyurethane foams having inherent flame reta...