US Patent Issued to Dow Global Technologies on May 12 for "Dimensionally stable polyurethanes and composites" (Italian Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,147, issued on May 12, was assigned to Dow Global Technologies LLC (Midland, Mich.).

"Dimensionally stable polyurethanes and composites" was invented by Paolo Diena (Modena, Italy), Thomas Mosciatti (Modena, Italy) and Andrea Benvenuti (Correggio, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "Rigid polyurethanes and composites are made from a reaction mixture containing an aromatic polyisocyanate and a mixture of polyols. The mixture of polyols has an average hydroxyl equivalent weight of 125 to 275 and an average hydroxyl funtionality of 2.5 to 4 hydroxyl groups per molecule. 5 to 33% of the weight of the mixture of polyols is triisopropanola...