ALEXANDRIA, Va., June 17 -- United States Patent no. 12,310,973, issued on May 27, was assigned to WisTa Laboratories Ltd. (Singapore).

"Administration and dosage of diaminophenothiazines" was invented by Claude Michel Wischik (Aberdeen, Great Britain), Bjorn Olaf Schelter (Aberdeen, Great Britain), Damon Jude Wischik (Cambridge, Great Britain) and John Mervyn David Storey (Aberdeen, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention provides novel regimens for treatment of neurodegenerative disorders utilising methylthioninium (MT)-containing compounds. The regimens are based on novel findings in relation to the dosage of MT compounds, and their interaction with symptomatic treatment...