Detergent
AssigneeInfineum International Limited
InventorsRichard D. Bertram, Peter J. Dowding, Peter D. Watts
Life of this patent
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Abstract
A detergent including one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates, in which: (i) the one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates is or includes one or more C10 to C40 hydrocarb-1-yl substituted hydroxybenzoates; or, (ii) greater than 50 mole % of the one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates, based on the total number of moles of said C10 to C40 hydrocarbyl substituted hydroxybenzoates, is or includes one or more C10 to C40 hydrocarb-2-yl substituted hydroxybenzoates.
Claims25
A detergent comprising one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates, wherein:
- (i) the one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates comprises one or more C10 to C40 hydrocarb-1-yl substituted hydroxybenzoates;
- or
- (ii) greater than 50 mole % of the one or more neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates, based on the total number of moles of said neutral or overbased alkaline earth metal C10 to C40 hydrocarbyl substituted hydroxybenzoates, comprises one or more C10 to C40 hydrocarb-2-yl substituted hydroxybenzoates.
A lubricating oil composition as claimed in 17 wherein the oil of lubricating viscosity comprises a Group II base stock.
Dependencies are inferred from the claim text.