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US 2006/0217271 A1Published application
Titanium compounds and complexes as additives in lubricants
AssigneeThe Lubrizol Corporation
InventorsJason Brown, Paul Adams, Virginia Carrick, Brent Dohner, William Abraham, Jonathan Vilardo, Richard Lange, Patrick Mosier
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Abstract
A lubricating composition comprising an oil of lubricating viscosity, 1 to 1000 parts per million by weight of titanium in the form of an oil-soluble titanium-containing material, and at least one additional lubricant additive provides beneficial effects on properties such as deposit control, oxidation, and filterability in engine oils.
Claims15
A method for lubricating an internal combustion engine, comprising supplying to said engine a lubricating composition comprising:
- (a) an oil of lubricating viscosity;
- (b) about 1 to about 1000 parts per million by weight of titanium in the form of an oil-soluble titanium-containing material having a number average molecular weight of less than 20,000;
- (c) an antioxidant other than a Ti-containing antioxidant, and
- (d) a metal containing detergent other than a Ti-containing detergent.
1 more element
A lubricating composition comprising:
- (a) an oil of lubricating viscosity;
- (b) about 1 to less than 50 parts per million by weight of titanium in the form of an oil-soluble titanium-containing material selected from the group consisting of titanium alkoxides, titanium modified dispersants, titanium salts of aromatic carboxylic acids, and titanium salts of sulfur-containing acids;
- and
- (c) at least one additive selected from the group consisting of
- (i) anti-wear agents,
- (ii) dispersants,
- (iii) antioxidants, and
- (iv) detergents.
5 more elements
Dependencies are inferred from the claim text.