MUMBAI, India, Aug. 31 -- Intellectual Property India has published a patent application (202617081212 A) filed by Infineum International Limited on July 01, 2026, for Lubricant Compositions Containing Aralkyl Substituted Diphenylamine Antioxidants.

Inventors include Delamore, Oliver; Rahman, Taifur; Wilson, Paul; Keily, John; and Morton, Colin Application Number.

The application for the patent was published on August 28, 2026, under issue no. 35/2026.

Abstract: This disclosure relates to the use of di-aralkyl substituted phenylamine/mono-aralkyl substituted phenylamine combinations as antioxidants in lubricant compositions having good oxidation properties in internal combustion engine applications, especially in compression ignited engine and or spark ignited engine applications.

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