ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,447, issued on Sept. 15, was assigned to Industriale Chimica S.R.L. (Milan).

"Process for preparing b-[(7Alpha, 17Beta)-17-hydroxy-7-[9-[(4,4,5,5,5-pentafluoropentyl)sulfinylnonylestra-1,3,5(10)-trien-3-yl-boronic acid and process intermediates" was invented by Roberto Lenna (S. Giorgio su Legnano, Italy) and Andrea Fasana (Nesso, Italy).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a process for preparing B-[(7Alpha,17Beta)-17-hydroxy-7-[9-[(4,4,5,5,5-pentafluoropentyl)sulfinyl]nonyl]estra-1,3,5(10)-trien-3-yl]-boronic acid, also known as Fulvestrant-3-boronic acid or ZB716, whose structure is shown below:"

The pa...