US Patent Issued to SpecGX on June 30 for "Processes for preparing morphinan-6-one products with low levels of Alpha, Beta-unsaturated ketone compounds" (Missouri, California Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,667,564, issued on June 30, was assigned to SpecGX LLC (Webster Groves, Mo.).

"Processes for preparing morphinan-6-one products with low levels of Alpha, Beta-unsaturated ketone compounds" was invented by Henry J. Buehler (St. Louis), William E. Dummitt (St. Louis), Anthony Mannino (Maryland Heights, Mo.), Dennis C. Aubuchon (Arnold, Mo.) and Hong Gu (Oak Park, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention generally relates to processes for preparing highly pure morphinan-6-one products. The processes involve reducing the concentration of alpha, beta unsaturated ketone compounds present as impurities in morphinan 6 one prod...