ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,493, issued on Aug. 5, was assigned to Afton Chemical Corp. (Richmond, Va.).
"Lubricating composition for enhanced fuel economy" was invented by Samuel Bruce Field (Windsor, Great Britain) and Paul Ransom (Huddersfield, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to passenger car engine lubricating oil compositions and methods of lubricating a crankcase of a passenger car engine with such lubricating oil compositions effective to achieve fuel economy improvement when using select calcium sulfonate-based compounds combined with one or more oil-soluble molybdenum compounds in ultra-low viscosity engine oi...