Read More 1 minute read Cannabis General Markets News Penny Stocks Psychedelics Pharmather Lands US Patent To Formulate, Produce Ketamine With This New Process By Fermin Orgambide May 5, 12:57 PM The U.S. Patent and Trademark Office has granted Pharmather Holdings Ltd. (OTCQB: PHRRF) a patent for a ketamine production process. PHRRF