ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,703, issued on April 15, was assigned to Amicus Therapeutics Inc. (Philadelphia).

"Highly purified batches of pharmaceutical grade migalastat and methods of producing the same" was invented by Kamlesh Sheth (North Brunswick, N.J.), Sergey Tesler (Monroe, N.J.), James Cartwright (Middlesex, Great Britain), Clive King (Middlesex, Great Britain) and Wendy Cross (Middlesex, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are methods of producing Active Pharmaceutical Ingredient (API) grade migalastat hydrochloride, and for purifying intermediate grade migalastat hydrochloride. Further provided are methods of producing [(2R,3S,4R,5S)...