ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,008, issued on Nov. 11, was assigned to INNOSPEC Ltd. (Cheshire, Great Britain).
"Methods and uses relating to fuel compositions" was invented by Jacqueline Reid (Port Cheshire, Great Britain), Nigel John Broom (Port Cheshire, Great Britain) and Adele Cross (Port Cheshire, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of removing deposits in a direct injection spark ignition engine, the method including combusting in the engine a gasoline fuel composition having a quaternary ammonium salt additive wherein the quaternary ammonium salt additive includes the quaternised reaction product of a hydrocarbyl substituted succinic acid...