US Patent Issued to The Trustees of the California State University on Oct. 14 for "Longer-lived ruthenium olefin metathesis catalysts supported by hemi-labile carbene ligands" (California Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,831, issued on Oct. 14, was assigned to The Trustees of the California State University (Long Beach, Calif.).

"Longer-lived ruthenium olefin metathesis catalysts supported by hemi-labile carbene ligands" was invented by Yann Schrodi (Northridge, Calif.), Nicolas Cena (Northridge, Calif.) and Joseph Yoon (Northridge, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Contemplated subject matter disclosed herein relates generally to organometallic olefin metathesis catalysts, and more particularly to longer-lived olefin metathesis catalysts supported by hemi-labile carbene ligands that bear an arm with one or more donor ligands, as well as the use ...