US Patent Issued to WisTa Laboratories on June 10 for "3, 7-diamino-10H-phenothiazine salts and their use" (British Inventors)

ALEXANDRIA, Va., June 18 -- United States Patent no. 12,324,810, issued on June 10, was assigned to WisTa Laboratories Ltd. (Singapore).

"3, 7-diamino-10H-phenothiazine salts and their use" was invented by Claude Michel Wischik (Aberdeen, Great Britain), Janet Elizabeth Rickard (Aberdeen, Great Britain), Charles Robert Harrington (Aberdeen, Great Britain), David Horsley (Aberdeen, Great Britain), John Mervyn David Storey (Aberdeen, Great Britain), Colin Marshall (Aberdeen, Great Britain), James Peter Sinclair (Aberdeen, Great Britain) and Thomas Craven Baddeley (Aberdeen, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described are methods of preparing reduced 3,7-diamino-10H-phenothiazine (DAP...