US Patent Issued to AARTI PHARMALABS on Aug. 11 for "Process for the preparation of tofacitinib and intermediates thereof" (Indian Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,703,702, issued on Aug. 11, was assigned to AARTI PHARMALABS Ltd. (Maharashtra, India).

"Process for the preparation of tofacitinib and intermediates thereof" was invented by Parimal Hasmukhlal Desai (Mumbai, India), Bharatkumar Surendra Patravale (Thane, India), Chetan Liladhar Salunke (Thane, India) and Nitin Janardhan Polshetty (Thane, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A process for the preparation of high purity tofacitinib, which reduces formation of N-methyl impurity is provided. Novel intermediates used in the process to prepare tofacitinib is also provided. A process for the preparation of tofacitinib (I), comprising the steps...