Compositions – Electrolytes for electrical devices
Patent
1984-07-09
1987-10-06
Dixon, Jr., William R.
Compositions
Electrolytes for electrical devices
252 33, 252 334, 252 39, 252 407, 252 427, 252 18, G10M12900, G10M13500
Patent
active
046981705
ABSTRACT:
Disclosed is a process for preparing very highly alkaline, calcium-based, detergent-dispersant additives for lubricating oils and products produced by such a process. The process includes the steps of reacting an alkylbenzenesulfonic acid, an alkylphenol, diluent oil, halogen ions and lime, removing water formed during the reaction, sulfurizing the resultant product in the presence of glycol and at least one additional alcohol having a boiling point in excess of about 155.degree. C., carbonating the sulfurized product, removing the glycol and heavy alcohol from the sulfurized, carbonated reaction product, and filtering to remove sediment and to obtain a reaction product comprising a highly-alkaline, calcium-based detergent-dispersant additive for lubricating oils.
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Barnes Richard M.
Dixon Jr. William R.
Prezlock Cynthia A.
Rhone-Poulenc Recherches
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