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US 6,147,036 AGranted
Process for preparing compositions useful as intermediates for preparing lubricating oil and fuel additives and derivatives thereof
AssigneeThe Lubrizol Corporation
InventorMark R. Baker
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Abstract
A process for reacting certain carboxylic reactants with olefinic compounds then reacting the intermediate prepared thereby with ammonia, a hydrazine or an amine, and/or a reactive metal or reactive metal compound, products prepared thereby and, additive concentrates and lubricating oil and fuel compositions.
Claims15
A process comprising reacting, optionally in the presence of an acidic catalyst selected from the group consisting of organic sulfonic acids, heteropolyacids, Lewis acids, and mineral acids,
- (A) at least one olefinic compound containing at least one group of the formula:
- ##STR14## and (B) at least one carboxylic reactant selected from the group consisting of compounds of the formula ##STR15## wherein R.sup.3 is H or an aliphatic group, R.sup.5 and R.sup.9 are independently lower alkyl;
- R.sup.4 is a divalent hydrocarbylene group, and n is 0 or 1, in amounts ranging from 0.6 moles (B) per mole of (A) to 3 moles (B) per equivalent of (A).
Dependencies are inferred from the claim text.