ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,523, issued on Sept. 30, was assigned to H.B. Fuller Co. (St. Paul, Minn.).
"Polyurethanes and moisture curable compositions including the same" was invented by Brian W. Carlson (Woodbury, Minn.), Justin Kaffenberger (Circle Pines, Minn.) and Alan R. Nahkala (Stillwater, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Polyurethanes and hot melt moisture curable adhesive compositions that include the same are disclosed. The polyurethane includes the reaction product of diisocyanate and a semi-crystalline polyester polyol having an acid number of less than 4 and including the reaction product of a saturated fatty component having a hydroxyl numb...