Antiwear automotive formulations

Details Antiwear automotive formulations Antiwear automotive formulations

2011-01-25

2011-01-25

McAvoy, Ellen M (Department: 1771)

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Organic -co- compound

C508S455000, C508S485000

Reexamination Certificate

active

07875580

ABSTRACT:
An automotive engine oil comprising a base oil and an antiwear additive system comprising an ester. The antiwear additive system preferably further comprises a phosphorus-containing and/or sulphur-containing antiwear additive. The antiwear additive system of the invention has superior antiwear properties and also reduced metal, phosphorus and sulphur levels compared to current commercial antiwear agents such as ZDDP.

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