LUBRICATING COMPOSITION COMPRISING SULFONATE DETERGENT AND ASHLESS HYDROCARBYL PHENOLIC COMPOUND

• Main Authors: ZHANG, Yanshi, DEREVJANIK, Thomas, MAYHEW, Alexandra, GALIC RAGUZ, Mary, DELBRIDGE, Ewan, LOOP, John
• Format: Patent
• Language: English; French
• Published: 22.03.2018
• Subjects: CHEMISTRY; FUELS; LUBRICANTS; LUBRICATING COMPOSITIONS; METALLURGY; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION

The disclosed technology provides lubricating compositions comprising an oil of lubricating viscosity, an alkaline earth metal sulfonate detergent having a metal ratio of at least 10, in an amount to contribute 3 to 14 g KOH/kg of TBN to the lubricating composition, an ashless, sulfur free, hydrocar...