CRANKCASE LUBRICANT COMPOSITIONS AND METHOD OF IMPROVING ENGINE DEPOSIT PERFORMANCE

• Main Authors: BOFFA, ALEXANDER B, BIDWELL, THOMAS R
• Format: Patent
• Language: English; French
• Published: 03.06.1999
• Edition: 7
• Subjects: CHEMISTRY; FUELS; INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS; 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

A low phosphorus passenger car motor oil containing an oil of lubricating viscosity as the major component and a tri-metal detergent mixture as a minor component. Wherein the tri-metal detergent mixture comprises at least one calcium overbased metal detergent, at least one magnesium overbased metal...