Mobil Oil Corporation

Vic M Cheng

Andrew G Horodysky

Liehpao O Farng

Ronald J Poole

A lubricant of fuel composition contains a multifunctional antioxidant/metal deactivating and thermal stabilizing amount of a tolyltriazole-derived Mannich base made from a tolyltriazole, an aliphatic amine, such as diisobutylamine or bis(2-ethylhexyl)amine, a cyclic amine, such as 1,4-diaminocyclohexane or ether amines exemplified by C.sub.6 to C.sub.13 alkoxypropylamines and polyether primary amines such as those derived from nonylphenol ethyoxylates and formaldehyde. The reaction products are, optionally, treated with epoxide.

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Sewell, NJ, United States of America

Vic M Cheng