ALEXANDRIA, Va., June 9 -- United States Patent no. 12,286,416, issued on April 29, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).
"Method for the preparation of thiocarbonates" was invented by Peter Rudolf (Ludwigshafen, Germany), Indre Thiel (Ludwigshafen, Germany), Thomas Maximilian Wurm (Ludwigshafen, Germany), Joaquim Henrique Teles (Ludwigshafen, Germany) and Jan-Dirk Arndt (Ludwigshafen, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a process for the preparation of a compound with at least one five-membered cyclic monothiocarbonate group. A compound C1 with at least one halohydrin group is used as starting material. Compound C1 is reacted with phosgene or an alkyl chlor...