US Patent Issued to Covestro Deutschland on Aug. 12 for "Process for preparing a polyoxyalkylene carbonate polyol" (German Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,384,869, issued on Aug. 12, was assigned to Covestro Deutschland AG (Leverkusen, Germany).

"Process for preparing a polyoxyalkylene carbonate polyol" was invented by Elisabeth Vogelsang (Cologne, Germany), Joerg Hofmann (Krefeld, Germany), Klaus Lorenz (Dormagen, Germany), Philipp Sander (Grevenbroich, Germany), Stefan Werda (Juchen, Germany) and Mike Schuetze (Leverkusen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a process for preparing a polyoxyalkylene carbonate polyol by reacting a polyoxyalkylene polyol with a cyclic carbonate in the presence of an amine catalyst. The invention further relates to polyoxyalkylen...