US Patent Issued to TOTALENERGIES ONETECH on Nov. 4 for "Spiro compound as detergent additive in lubricants for motorization systems" (French Inventors)

ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,148, issued on Nov. 4, was assigned to TOTALENERGIES ONETECH (Courbevoie, France).

"Spiro compound as detergent additive in lubricants for motorization systems" was invented by Modestino De Feo (Solaize, France), Gregory Chao (Solaize, France) and Steve Faure (Solaize, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present patent application relates to the use, as detergent additive in a lubricating composition intended for a motorization system, of a spiro compound of formula (I) in which M is an atom selected from boron and aluminum; R, independently of one another, represent a hydrocarbon group comprising from 1 to 50 carbon atoms; and ...