Afton Chemical Corporation

Chip Hewette

John T Loper

Roger M Sheets

David J Degonia

Ronald L Phillips

There is disclosed herein an additive composition including a compound of formula (III): wherein R, R, R, R, R, R, R, and Rare independently selected from the group consisting of hydrogen, cyano, and hydrocarbyl groups comprising from about 1 to about 30 carbon atoms.

Composition comprising a sulfur-containing, phosphorus-containing compound, and/or its salt, and uses thereof

A gear fluid composition for extreme pressure applications. The composition includes a base oil component and a friction modifier mixture. The mixture is provided by an alkyl phosphonic acid diester of the formula: wherein Ris a hydrocarbyl group containing from about 8 to about 24 carbon atoms, Rand Rare selected from a hydrocarbyl group containing from about 1 to about 8 carbon atoms, an alkyl phosphonic acid monoester of the formula wherein Ris a hydrocarbyl group containing from about 8 to about 24 carbon atoms, Ris hydrogen or hydrocarbyl group containing from about 1 to about 8 carbon atoms, and an amine salt of a partial ester of phosphoric acid represented by the formula wherein each of Rand Ris a hydrocarbyl group, and Ris hydrogen or a hydrocarbyl group, and wherein the ratio of (i) to (ii) ranges from about 3 to about 5.5.

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Richmond, VA, United States of America

Chip Hewette