ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,850, issued on June 3, was assigned to Henkel AG & Co. KGaA (Duesseldorf, Germany).
"Polyurethane hot melt adhesive for low temperature application" was invented by Joann Sutyak (Plainsboro, N.J.), Benjamin Michael Biber (New Hope, Pa.) and Jignesh P. Sheth (Bridgewater, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a moisture reactive polyurethane hot melt adhesive composition that can be applied to substrates at a low coating weight even at application temperatures as low as 60 to 95deg C. while retaining the advantageous high tack, green strength, cured bond strength and toughness of conventional high melting point polyurethane ...