Title: Low phosphorus containing or phosphorus free lubricant compositions
Application Number: 87101910 Application Date: 1987.03.17
Publication Number: 1013592 Publication Date: 1987.09.30
Approval Pub. Date: 1991.04.10 Granted Pub. Date: 1991.04.10
International Classifi-cation: C10M135/18
Applicant(s) Name: The Lubrizol Corp Address:
Inventor(s) Name: Betsy Jane Butke
Attorney & Agent: ZHOU ZHONGQI DAI ZHENXIU
Abstract:
    A phosphorus free or a low phosphorus containing lubricant composition is provided by formulating the composition with an additive of the formula (I) wherein R1, R2, R3, R4, X, a, Z is as defined in description. These additives impart improved extreme pressure and anti-wear properties to lubricant compositions.
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