MUMBAI, India, Sept. 7 -- Intellectual Property India has published a patent application (202617085634 A) filed by Infineum International Limited on July 13, 2026, for Lubricant Compositions Containing C8 Disubstituted Diphenylamine Antioxidant.

Inventors include Keily, John; Delamore, Oliver; Hartley, Joseph Peter; Wilson, Paul; Rahman, Taifur; Lin, Jian; and Popowicz, Marcus.

The application for the patent was published on September 04, 2026, under issue no. 36/2026.

Abstract: This disclosure relates to the use of di(alkyl substituted phenyl)amine antioxidants as additives in lubricant compositions having good oxidation properties in engine crankcase applications, especially in compression ignited engine and or spark ignited engine app...