Lubricating oil additive comprising EC-treated succinimide, borated dispersant and corrosion inhibitor
OwnerWillem Van Dam, Michael T. Menasco +2inventors
InventorsWillem Van Dam, Michael T. Menasco, James J. Harrison, Mark R. Logan
Life of this patent
Estimating the term…
Abstract
An additive formulation comprising one or more ec-treated dispersants, borated dispersants, and a dispersed aromatic dicarboxylic acid corrosion inhibitor; a dispersant inhibitor package comprising one or more ec-treated dispersants, borated dispersants, and a dispersed aromatic dicarboxylic acid corrosion inhibitor; a lubricating oil comprising said dispersant inhibitor package; and a method for lubricating engines.
Claims11
A lubricating oil additive composition comprising:
- (a) one or more ethylene carbonate-treated succinimides;
- (b) one or more borated succinimides, and
- (c) one or more dispersed aromatic dicarboxylic acid corrosion inhibitors which are succinimide salts of one or more aromatic dicarboxylic acids.
A lubricating oil composition comprising a major amount of an oil of lubricating viscosity and a lubricating oil additive composition comprising:
- (a) one or more ethylene carbonate treated succinimides,
- (b) one or more borated succinimides, and
- (c) one or more dispersed aromatic dicarboxylic acid corrosion inhibitors which are succinimide salts of one or more aromatic dicarboxylic acids.
Dependencies are inferred from the claim text.