Overbased alkali metal salts and methods for making same

Details Overbased alkali metal salts and methods for making same Overbased alkali metal salts and methods for making same

C - Chemistry, Metallurgy

10

M

C10M 159/20 (2006.01) C10M 159/00 (2006.01) C10M 159/22 (2006.01) C10M 159/24 (2006.01) C10M 163/00 (2006.01) C10M 167/00 (2006.01)

Patent

CA 2085372

2085372 9218587 PCTABS00017 The invention relates to a composition, comprising: at least one basic alkali metal salt of at least one hydrocarbyl-substituted acidic organic compound, wherein the hydrocarbyl group is derived from a polyalkene having an M^ B7n of at least 600, provided that when the organic compound is a sulfonic acid, the polyalkene has an M^ B7n of at least 900; and provided that when the acidic organic compound is a mixture of acidic organic compounds containing a carboxylic acid and a sulfonic acid which has a hydrocarbyl group derived from a polyalkene having an M^ B7n of less than 900, then the carboxylic acid comprises at least 10 % of the equivalents of the mixture.

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