US Patent Issued to KNOA PHARMA on Oct. 27 for "Process for purifying noroxymorphone" (Rhode Island Inventor)

ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,774,285, issued on Oct. 27, was assigned to KNOA PHARMA LLC (Stamford, Conn.).

"Process for purifying noroxymorphone" was invented by C. Frederick M. Huntley (East Greenwich, R.I.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The application is directed to a process of purifying noroxymorphone by preparing and isolating noroxymorphone bisulfite adduct and regenerating purified noroxymorphone from noroxymorphone bisulfite adduct. The application is also directed to a compound represented by the Formula I, described herein, or a hydrate or zwitterion thereof, and a crystalline form of noroxymorphone bisulfite adduct monohydrate."

The patent was filed on...