ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,503, issued on Dec. 9, was assigned to SYNGENTA CROP PROTECTION AG (Basel, Switzerland).
"Hydrogenation process of oxime derivatives" was invented by Tomas Smejkal (Stein, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a novel process for the iridium-catalysed hydrogenation of oximes. The invention also relates to novel iridium catalysts for use in the iridium-catalysed hydrogenation of oximes and to processes of preparation of these catalysts. The invention further relates to the use of the novel iridium catalysts in ionic hydrogenation of other unsaturated substrates."
The patent was filed on Nov. 1, 20...