US Patent Issued to INNOSPEC on Sept. 23 for "Methods and uses relating to fuel compositions" (British Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,469, issued on Sept. 23, was assigned to INNOSPEC Ltd. (Ellesmere, Great Britain).

"Methods and uses relating to fuel compositions" was invented by Jacqueline Reid (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 deposits in an indirect injection diesel engine, the method including combusting in the engine a diesel fuel composition having a quaternary ammonium salt additive; and optionally one or more further nitrogen-containing detergents; wherein the quaternary ammonium salt ad...