ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,063, issued on Nov. 25, was assigned to INNOSPEC Ltd. (Port Cheshire, Great Britain).
"Fuel compositions" was invented by Jacqueline Reid (Ellesmere, Great Britain), Nigel John Broom (Ellesmere, Great Britain), Adele Cross (Ellesmere, Great Britain), Martin Roberts (Ellesmere, Great Britain) and Alan Ross (Ellesmere, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of cleaning up internal diesel injector deposits in a severely fouled engine, the method including combusting in the engine a diesel fuel composition having (a) a quaternary ammonium salt additive; and (b) one or more further nitrogen-containing detergents; in which t...