C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
253/37
C10M 139/00 (2006.01)
Patent
CA 1242693
ABSTRACT The present invention provides a lubricant additive composition which functions both as a friction reducing agent and as an extreme pressure additive, and also has the ability, when incorporated in a lubricant, to improve substantially the low temperature viscosity characteristics of the lubricant. The composition, in one form, comprises: (1) about 35% by weight of 24% lead naphthenate solution in an organic solvent therefor; (2) about 40% by weight of an oil having the following formulation: 97.4% - 93.1% HVI 300 Neutral Paraffinic Base Oil 0.05% - 0.15% anti-oxidant 0.0005% - 0.005% anti-foaming agent 0.5% - 1.5% anti-rust compound 1.0% - 2.0% oiliness additive 1.0% - 3.0% anti-wear compound 0.005% - 0.25% pour point depressant; and (3) about 25% by weight of diesel oil (preferably desulfurized diesel oil). In a second, heavy-duty form, the composition comprises: about 5% to about 45% by weight of a lead soap of an organic acid, said lead soap being in the form of a solution in a liquid organic solvent therefor, said solution containing from about 10% to about 48% by weight lead; 20%-50% by weight of an oil having a viscosity in the range of from about 45 SUS at 100°F. to about 3000 SUS at 100°F.; and 5%-40% by weight of diesel oil -2- (preferably desulfurized), or of a hydrocarbon oil having physical characteristics comparable to said diesel oil; said composition functioning both as a friction reducing agent and as an extreme pressure additive. Desirably, there may additionally be included in this composition: 0.10%-5.00% by weight of an oil soluble zirconium-containing soap selected from the group consisting of zirconium naphthenate, zirconium 2-ethylhexanoate, zirconium 3,5-dimethyl hexanoate, and zirconium neodecanoate, or mixtures thereof, and 0.10%-5.00% by weight of calcium in an oil soluble form, as calcium naphthenate or calcium 2-ethylhexanoate.
462014
Garner Alfred V.
Nalder William W.
Garner Alfred V.
Gowling Lafleur Henderson Llp
Nalder William W.
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