ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,791, issued on Aug. 19, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).
"Thermoplastic polyurethane useful for pneumatic hoses" was invented by Elmar Poeselt (Hamburg, Germany), Dieter Nitschke (Quernheim, Germany), Birte Lahrmann (Holdorf, Germany) and Dirk Kempfert (Stemwede-Dielingen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a thermoplastic polyurethane obtainable or obtained by the conversion of at least a polyisocyanate composition, propane-1,3-diol as chain extender and a polyol composition, wherein no further chain extender is used aside from propane-1,3-diol, to a process for preparing...