US Patent Issued to Apeiron Synthesis on Oct. 21 for "Process for producing ruthenium complexes and intermediates thereof and their use in olefin metathesis" (Polish Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,404, issued on Oct. 21, was assigned to Apeiron Synthesis S.A. (Wroclaw, Poland).

"Process for producing ruthenium complexes and intermediates thereof and their use in olefin metathesis" was invented by Krzysztof Skowerski (Jablonowo Pomorskie, Poland) and Rafal Gawin (Warsaw, Poland).

According to the abstract* released by the U.S. Patent & Trademark Office: "Ruthenium complexes include those represented by Formula 1. A new process for producing the ruthenium complexes represented by the Formula 1. The ruthenium complexes represented by the Formula 1 are useful as precatalysts and/or catalysts in olefin metathesis reactions such as ring-closing metathesis, homometathesis, cross-...