ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,429, issued on Aug. 4, was assigned to Henkel AG & Co. KGaA (Duesseldorf, Germany).

"Moisture-curable polyurethane hot melt adhesive composition with oleic chemical resistance" was invented by Yizhong Luo (Shanghai) and Junjun Wu (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A moisture-curable polyurethane hot melt adhesive composition having good oleic acid resistance, especially when exposed to 100% pure oleic acid under aging condition of 65deg C. and 90% relative humidity, wherein the adhesive composition comprises, consists essentially of or consists of a moisture-curable polyurethane prepolymer, the prepolymer being a reaction produc...