C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
253/136, 253/81
C10M 137/10 (2006.01) C10M 141/10 (2006.01)
Patent
CA 1198410
A B S T R A C T LUBRICATING OIL COMPOSITION Lubricating oil composition comprising a major proportion of a lubricating oil and minor proportions of a Group II metal dithio- phosphate and an aminosuccinic acid or a derivative thereof with the formula: Image in which R1, R2, R3, R4, R5, R6 and R7 each represent a hydrogen atom or a hydrocarbyl radical containing 1-30 carbon atoms, and in which R3 and/or R4 may also represent an acylderivative of said hydrocarbyl radical. The lubricating oil composition can be used as a hydraulic fluid.
420387
Matthews Peter H.d.
Morecroft Derek W.
Shell Canada Limited
Smart & Biggar
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