ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,417, issued on Dec. 30, was assigned to SYNGENTA CROP PROTECTION AG (Basel, Switzerland).
"Enantioselective process" was invented by Tomas Smejkal (Stein, Switzerland), Nicolai Cramer (Lausanne, Switzerland) and Josep Mas-Rosello (Lausanne, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to novel processes for the enantioselective iridium-catalysed hydrogenation of oximes and oxime ethers to provide compounds of formula (II) and salts thereof formula (I) and (II)."
The patent was filed on Nov. 1, 2019, under Application No. 17/291,353.
*For further information, including images, charts and tables, please vi...