C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 149/16 (2006.01) C10M 133/56 (2006.01) C10M 141/06 (2006.01) C10M 163/00 (2006.01)
Patent
CA 2277412
Disclosed is a lubricating composition having a major amount of an oil of lubrication viscosity and a minor amount of (A) a nitrogen containing dispersant with a total base number of from 20 to 160 on an oil-free basis wherein the improvement comprises adding to said dispersant; (B) a sludge preventing/seal protecting additive of at least one aldehyde or epoxide or mixtures thereof.
Abraham William D.
Lamb Gordon David
Shanklin James R.
Stachew Carl F.
Supp James A.
Ridout & Maybee Llp
The Lubrizol Corporation
LandOfFree
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