US Patent Issued to Apeiron Synthesis on May 12 for "Ruthenium complexes, methods of their preparation and application thereof in olefin cross metathesis" (Polish Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,060, issued on May 12, was assigned to Apeiron Synthesis S.A. (Wroclaw, Poland).

"Ruthenium complexes, methods of their preparation and application thereof in olefin cross metathesis" was invented by Rafal Gawin (Warsaw, Poland), Andrzej Jan Tracz (Wilczyce, Poland) and Patryk Krajczy (Glogowek, Poland).

According to the abstract* released by the U.S. Patent & Trademark Office: "Novel ruthenium complexes of general formula 4in which the substituents are defined herein. The present disclosure relates also to methods for preparing such compounds and use thereof as catalysts and/or (pre)catalysts in olefin cross metathesis."

The patent was filed on Aug. 17, 2021, under Application N...