Lubricating Oil Composition
A method of passing the ASTM D6557 Ball Rust Test using a lubricating oil composition having a sulfated ash content of less than 1.0% by weight of the composition in which an oil-soluble hydrocarbyl phenol aldehyde condensate rust inhibitor of Formula (I) is added to the lubricating oil composition:...
Saved in:
Main Authors | , , |
---|---|
Format | Patent |
Language | English |
Published |
21.06.2007
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Summary: | A method of passing the ASTM D6557 Ball Rust Test using a lubricating oil composition having a sulfated ash content of less than 1.0% by weight of the composition in which an oil-soluble hydrocarbyl phenol aldehyde condensate rust inhibitor of Formula (I) is added to the lubricating oil composition: wherein n is 0 to 10, Y is a divalent bridging group, and is preferably a hydrocarbyl group, preferably having from 1 to 4 carbon atoms; and R is a hydrocarbyl group having from 4 to 30 carbon atoms. |
---|---|
Bibliography: | Application Number: US20060567754 |