US Patent Issued to The Trustees of Columbia University in the City of New York on Aug. 5 for "Compositions and methods for visible-light-controlled ruthenium-catalyzed olefin metathesis" (New York Inventors)

ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,407, issued on Aug. 5, was assigned to The Trustees of Columbia University in the City of New York (New York).

"Compositions and methods for visible-light-controlled ruthenium-catalyzed olefin metathesis" was invented by Tomislav Rovis (Scarsdale, N.Y.) and Cedric Theunissen (New York).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides compositions and methods for metathesizing a first alkenyl or alkynyl group with a second alkenyl or alkynyl group, the composition comprising a ruthenium metathesis catalyst and a photoredox catalyst that is activated by visible light."

The patent was filed on March 10, 2022, under Applicat...