ALEXANDRIA, Va., June 4 -- United States Patent no. 12,318,709, issued on June 3, was assigned to BLACK SWAN GRAPHENE INC. (Toronto).
"Process for the continuous production of sub-micron two-dimensional materials such as graphene" was invented by Paul Ladislaus (Sedgefield, Great Britain) and Lee Glasgow (Consett, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system and a method of continuously separating submicron thickness laminar solid particles from a solid suspension, segregating the suspension into a submicron thickness particle fraction suspension and a residual particle fraction suspension, the method comprising the steps of; providing a continuous centrifuge apparatus; providing a s...