US Patent Issued to Infineum International on Jan. 13 for "Method for reduction of abnormal combustion events" (New York, New Jersey Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,522,779, issued on Jan. 13, was assigned to Infineum International Ltd. (Linden, N.J.).

"Method for reduction of abnormal combustion events" was invented by Andrew J. D. Ritchie (Chatham, N.J.) and Maria C. Chiappelli (Eastchester, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to methods to reduce abnormal combustion events in the operation of an internal combustion engine comprising using a lubricating oil composition comprising/resulting from the admixing of: (i) base oil, (ii) detergent, preferably providing at least 800 ppm Mg and less than 500 ppm Ca; and (iii) abnormal combustion event inhibitor compound(s), preferably...