The Lubrizol Corporation

Robert D Dura

David J Moreton

Ewan E Delbridge

James P Roski

Gary M Walker

Mohamed G Fahmy

W Preston Barnes

Kamalakumari Kunchithapatham Salem

Adam Cox

Jason E Melvin

A lubricating composition includes an oil of lubricating viscosity and a compound comprising a protected mercaptophenol. The protected mercaptophenol includes a mercapto group in which the hydrogen is substituted with a substituent of at least 5 carbons. The substituent is selected from hydroxy-substituted hydrocarbyl groups, poly(ether) groups, hydrocarbyl groups, and mixtures and salts thereof.

Protected mercaptophenols and thiophenols for lubricating compositions

The disclosed technology provides a lubricating composition comprising an oil of lubricating viscosity and 0.2 wt % to 10 wt % of a salt of a hydroxyl functional aromatic compound. The disclosed technology further relates to a method of lubricating a mechanical device with the lubricant composition.

Aromatic detergents and lubricating compositions thereof

Growing community of inventors

Broadview Heights, OH, United States of America

Robert D Dura